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Google Cloud Storage Connection Details

Introduction

Connector Version

This documentation is based on version 23.0.8804 of the connector.

Get Started

Google Cloud Storage Version Support

The connector leverages V1 of the Google Cloud Storage JSON API to enable bidirectional access to your Google Cloud Storage data.

Establish a Connection

Connect to Google Cloud Storage

Provide the following connection properties before adding the authentication properties.

  • ProjectId: Set this to the ID of the project you want to connect to.

Authenticate to Google Cloud Storage

The connector supports using user accounts, service accounts and GCP instance accounts for authentication.

The following sections discuss the available authentication schemes for Google Cloud Storage:

  • User Accounts (OAuth)
  • Service Account (OAuthJWT)
  • GCP Instance Account
User Accounts (OAuth)

AuthScheme must be set to OAuth in all user account flows.

Desktop Applications

An embedded OAuth application is provided that simplifies OAuth desktop Authentication. Alternatively, you can create a custom OAuth application. See Creating a Custom OAuth App for information about creating custom applications and reasons for doing so.

For authentication, the only difference between the two methods is that you must set two additional connection properties when using custom OAuth applications.

After setting the following connection properties, you are ready to connect:

  • InitiateOAuth: Set this to GETANDREFRESH, which instructs the connector to automatically attempt to get and refresh the OAuth access token.
  • OAuthClientId: (custom applications only) Set this to the Client ID in your custom OAuth application settings.
  • OAuthClientSecret: (custom applications only) Set this to the Client Secret in the custom OAuth application settings.

When you connect the connector opens the OAuth endpoint in your default browser. Log in and grant permissions to the application. The connector then completes the OAuth process as follows:

  • Extracts the access token from the callback URL.
  • Obtains a new access token when the old one expires.
  • Saves OAuth values in OAuthSettingsLocation that persist across connections.
Web Applications

When connecting via a Web application, you need to create and register a custom OAuth application with Google Cloud Storage. You can then use the connector to acquire and manage the OAuth token values. See Creating a Custom OAuth App for more information about custom applications.

Get an OAuth Access Token

Set the following connection properties to obtain the OAuthAccessToken:

  • OAuthClientId: Set this to the Client ID in your application settings.
  • OAuthClientSecret: Set this to the Client Secret in your application settings.

Then call stored procedures to complete the OAuth exchange:

  1. Call the GetOAuthAuthorizationURL stored procedure. Set the CallbackURL input to the Callback URL you specified in your application settings. The stored procedure returns the URL to the OAuth endpoint.
  2. Navigate to the URL that the stored procedure returned in Step 1. Log in to the custom OAuth application and authorize the web application. Once authenticated, the browser redirects you to the callback URL.
  3. Call the GetOAuthAccessToken stored procedure. Set AuthMode to WEB and the Verifier input to the "code" parameter in the query string of the callback URL.

Once you have obtained the access and refresh tokens, you can connect to data and refresh the OAuth access token either automatically or manually.

Automatic Refresh of the OAuth Access Token

To have the driver automatically refresh the OAuth access token, set the following on the first data connection:

  • InitiateOAuth: Set this to REFRESH.
  • OAuthClientId: Set this to the Client ID in your application settings.
  • OAuthClientSecret: Set this to the Client Secret in your application settings.
  • OAuthAccessToken: Set this to the access token returned by GetOAuthAccessToken.
  • OAuthRefreshToken: Set this to the refresh token returned by GetOAuthAccessToken.
  • OAuthSettingsLocation: Set this to the location where the connector saves the OAuth token values, which persist across connections.

On subsequent data connections, the values for OAuthAccessToken and OAuthRefreshToken are taken from OAuthSettingsLocation.

Manual Refresh of the OAuth Access Token

The only value needed to manually refresh the OAuth access token when connecting to data is the OAuth refresh token.

Use the RefreshOAuthAccessToken stored procedure to manually refresh the OAuthAccessToken after the ExpiresIn parameter value returned by GetOAuthAccessToken has elapsed, then set the following connection properties:

  • OAuthClientId: Set this to the Client ID in your application settings.
  • OAuthClientSecret: Set this to the Client Secret in your application settings.

Then call RefreshOAuthAccessToken with OAuthRefreshToken set to the OAuth refresh token returned by GetOAuthAccessToken. After the new tokens have been retrieved, open a new connection by setting the OAuthAccessToken property to the value returned by RefreshOAuthAccessToken.

Finally, store the OAuth refresh token so that you can use it to manually refresh the OAuth access token after it has expired.

Headless Machines

To configure the driver to use OAuth with a user account on a headless machine, you need to authenticate on another device that has an internet browser.

  1. Choose one of two options:
    • Option 1: Obtain the OAuthVerifier value as described in "Obtain and Exchange a Verifier Code" below.
    • Option 2: Install the connector on a machine with an internet browser and transfer the OAuth authentication values after you authenticate through the usual browser-based flow, as described in "Transfer OAuth Settings" below.
  2. Then configure the connector to automatically refresh the access token on the headless machine.

Option 1: Obtain and Exchange a Verifier Code

To obtain a verifier code, you must authenticate at the OAuth authorization URL.

Follow the steps below to authenticate from the machine with an internet browser and obtain the OAuthVerifier connection property.

  1. Choose one of these options:

    • If you are using the Embedded OAuth Application click Google Cloud Storage OAuth endpoint to open the endpoint in your browser.

    • If you are using a custom OAuth application, create the Authorization URL by setting the following properties:

      • InitiateOAuth: Set to OFF.
      • OAuthClientId: Set to the client ID assigned when you registered your application.
      • OAuthClientSecret: Set to the client secret assigned when you registered your application.

      Then call the GetOAuthAuthorizationURL stored procedure with the appropriate CallbackURL. Open the URL returned by the stored procedure in a browser. 2. Log in and grant permissions to the connector. You are then redirected to the callback URL, which contains the verifier code. 3. Save the value of the verifier code. Later you will set this in the OAuthVerifier connection property.

Next, you need to exchange the OAuth verifier code for OAuth refresh and access tokens. Set the following properties:

On the headless machine, set the following connection properties to obtain the OAuth authentication values:

  • InitiateOAuth: Set this to REFRESH.
  • OAuthVerifier: Set this to the verifier code.
  • OAuthClientId: (custom applications only) Set this to the Client ID in your custom OAuth application settings.
  • OAuthClientSecret: (custom applications only) Set this to the Client Secret in the custom OAuth application settings.
  • OAuthSettingsLocation: Set this to persist the encrypted OAuth authentication values to the specified location.

After the OAuth settings file is generated, you need to re-set the following properties to connect:

  • InitiateOAuth: Set this to REFRESH.
  • OAuthClientId: (custom applications only) Set this to the client ID assigned when you registered your application.
  • OAuthClientSecret: (custom applications only) Set this to the client secret assigned when you registered your application.
  • OAuthSettingsLocation: Set this to the location containing the encrypted OAuth authentication values. Make sure this location gives read and write permissions to the connector to enable the automatic refreshing of the access token.

Option 2: Transfer OAuth Settings

Prior to connecting on a headless machine, you need to create and install a connection with the driver on a device that supports an internet browser. Set the connection properties as described in "Desktop Applications" above.

After completing the instructions in "Desktop Applications", the resulting authentication values are encrypted and written to the location specified by OAuthSettingsLocation. The default filename is OAuthSettings.txt.

Once you have successfully tested the connection, copy the OAuth settings file to your headless machine.

On the headless machine, set the following connection properties to connect to data:

  • InitiateOAuth: Set this to REFRESH.
  • OAuthClientId: (custom applications only) Set this to the client ID assigned when you registered your application.
  • OAuthClientSecret: (custom applications only) Set this to the client secret assigned when you registered your application.
  • OAuthSettingsLocation: Set this to the location of your OAuth settings file. Make sure this location gives read and write permissions to the connector to enable the automatic refreshing of the access token.
Service Accounts (OAuthJWT)

To authenticate using a service account, you must create a new service account and have a copy of the accounts certificate. If you do not already have a service account, you can create one by following the procedure in Creating a Custom OAuth App.

For a JSON file, set these properties:

  • AuthScheme: Set this to OAuthJWT.
  • InitiateOAuth: Set this to GETANDREFRESH.
  • OAuthJWTCertType: Set this to GOOGLEJSON.
  • OAuthJWTCert: Set this to the path to the .json file provided by Google.
  • OAuthJWTSubject: (optional) Only set this value if the service account is part of a GSuite domain and you want to enable delegation. The value of this property should be the email address of the user whose data you want to access.

For a PFX file, set these properties instead:

  • AuthScheme: Set this to OAuthJWT.
  • InitiateOAuth: Set this to GETANDREFRESH.
  • OAuthJWTCertType: Set this to PFXFILE.
  • OAuthJWTCert: Set this to the path to the .pfx file provided by Google.
  • OAuthJWTCertPassword: (optional) Set this to the .pfx file password. In most cases you must provide this since Google encrypts PFX certificates.
  • OAuthJWTCertSubject: (optional) Set this only if you are using a OAuthJWTCertType which stores multiple certificates. Should not be set for PFX certificates generated by Google.
  • OAuthJWTIssuer: Set this to the email address of the service account. This address will usually include the domain iam.gserviceaccount.com.
  • OAuthJWTSubject: (optional) Only set this value if the service account is part of a GSuite domain and you want to enable delegation. The value of this property should be the email address of the user whose data you want to access.
GCP Instance Accounts

When running on a GCP virtual machine, the connector can authenticate using a service account tied to the virtual machine. To use this mode, set AuthScheme to GCPInstanceAccount.

Create a Custom OAuth App

Create a Custom OAuth Application

embeds OAuth Application Credentials with branding that can be used when connecting to Google Cloud Storage via a desktop application or a headless machine.

(For information on getting and setting the OAuthAccessToken and other configuration parameters, see the Desktop Authentication section of "Connecting to Google Cloud Storage".)

However, you must create a custom OAuth application to connect to Google Cloud Storage via the Web. And since custom OAuth applications seamlessly support all three commonly-used auth flows, you might want to create custom OAuth applications (use your own OAuth Application Credentials) for those auth flows anyway.

Custom OAuth applications are useful if you want to:

  • control branding of the authentication dialog
  • control the redirect URI that the application redirects the user to after the user authenticates
  • customize the permissions that you are requesting from the user

The following sections describe how to enable the Directory API and create custom OAuth applications for user accounts (OAuth) and Service Accounts (OAuth/JWT).

Enable the Cloud Storage API

Follow these steps to enable the Cloud Storage API:

  1. Navigate to the Google Cloud Console.
  2. Select Library from the left-hand navigation menu. This opens the Library page.
  3. In the search field, enter "Cloud Storage API" and select Cloud Storage API from the search results.
  4. On the Cloud Storage API page, click ENABLE.

Create an OAuth Application

To create custom OAuth applications that retrieve the necessary OAuth connection properties, follow these procedures.

User Accounts (OAuth)

For users whose AuthScheme is OAuth and who need to authenticate over a web application, you must always create a custom OAuth application. (For desktop and headless flows, creating a custom OAuth application is optional.)

Do the following:

  1. Navigate to the Google Cloud Console.
  2. Create a new project or select an existing project.
  3. At the left-hand navigation menu, select Credentials.
  4. If this project does not already have a consent screen configured, click CONFIGURE CONSENT SCREEN to create one. If you are not using a Google Workspace account, you are restricted to creating an External-type Consent Screen, which requires specifying a support email and developer contact email. Additional info is optional.
  5. On the Credentials page, select Create Credentials > OAuth Client ID.
  6. In the Application Type menu, select Web application.
  7. Specify a name for your custom OAuth application.
  8. Under Authorized redirect URIs, click ADD URI and enter a redirect URI.
  9. Click Enter, then CREATE. The Cloud Console returns you to the Credentials page.
    A window opens that displays your client ID and client secret.
  10. Record the client ID and Client Secret for later use as the OAuthClientId and OAuthClientSecret connection properties.

Note

The client secret remains accessible from from the Google Cloud Console.

Service Accounts (OAuthJWT)

Service accounts (AuthScheme OAuthJWT) can be used in an OAuth flow to access Google APIs on behalf of

users in a domain. A domain administrator can delegate domain-wide access to the service account.

To create a new service account:

  1. Navigate to the Google Cloud Console.
  2. Create a new project or select an existing project.
  3. At the left-hand navigation menu, select Credentials.
  4. Select Create Credentials > Service account.
  5. On the Create service account page, enter the Service account name, the Service account ID, and, optionally, a description.
  6. Click DONE. The Cloud Console redisplays the Credentials page.
  7. In the Service Accounts section, select the service account you just created.
  8. Click the KEYS tab.
  9. Click ADD KEY > Create new key.
  10. Select any supported Key type (see OAuthJWTCert and OAuthJWTCertType).
  11. Click CREATE. The key is automatically downloaded to your device, and any additional information specific to the key is displayed.
  12. Record the additional information for future use.

To complete the service account flow, generate a private key in the Google Cloud Console. In the service account flow, the driver exchanges a JSON Web token (JWT) for the OAuthAccessToken. The private key is required to sign the JWT. The driver will have the same permissions granted to the service account.

Important Notes

Configuration Files and Their Paths

  • All references to adding configuration files and their paths refer to files and locations on the Jitterbit agent where the connector is installed. These paths are to be adjusted as appropriate depending on the agent and the operating system. If multiple agents are used in an agent group, identical files will be required on each agent.

Advanced Features

This section details a selection of advanced features of the Google Cloud Storage connector.

User Defined Views

The connector allows you to define virtual tables, called user defined views, whose contents are decided by a pre-configured query. These views are useful when you cannot directly control queries being issued to the drivers. See User Defined Views for an overview of creating and configuring custom views.

SSL Configuration

Use SSL Configuration to adjust how connector handles TLS/SSL certificate negotiations. You can choose from various certificate formats; see the SSLServerCert property under "Connection String Options" for more information.

Proxy

To configure the connector using private agent proxy settings, select the Use Proxy Settings checkbox on the connection configuration screen.

Query Processing

The connector offloads as much of the SELECT statement processing as possible to Google Cloud Storage and then processes the rest of the query in memory (client-side).

User Defined Views

The Google Cloud Storage connector allows you to define a virtual table whose contents are decided by a pre-configured query. These are called User Defined Views, which are useful in situations where you cannot directly control the query being issued to the driver, e.g. when using the driver from Jitterbit. The User Defined Views can be used to define predicates that are always applied. If you specify additional predicates in the query to the view, they are combined with the query already defined as part of the view.

There are two ways to create user defined views:

  • Create a JSON-formatted configuration file defining the views you want.
  • DDL statements.

Define Views Using a Configuration File

User Defined Views are defined in a JSON-formatted configuration file called UserDefinedViews.json. The connector automatically detects the views specified in this file.

You can also have multiple view definitions and control them using the UserDefinedViews connection property. When you use this property, only the specified views are seen by the connector.

This User Defined View configuration file is formatted as follows:

  • Each root element defines the name of a view.
  • Each root element contains a child element, called query, which contains the custom SQL query for the view.

For example:

{
    "MyView": {
        "query": "SELECT * FROM Buckets WHERE MyColumn = 'value'"
    },
    "MyView2": {
        "query": "SELECT * FROM MyTable WHERE Id IN (1,2,3)"
    }
}

Use the UserDefinedViews connection property to specify the location of your JSON configuration file. For example:

"UserDefinedViews", "C:\Users\yourusername\Desktop\tmp\UserDefinedViews.json"

Define Views Using DDL Statements

The connector is also capable of creating and altering the schema via DDL Statements such as CREATE LOCAL VIEW, ALTER LOCAL VIEW, and DROP LOCAL VIEW.

Create a View

To create a new view using DDL statements, provide the view name and query as follows:

CREATE LOCAL VIEW [MyViewName] AS SELECT * FROM Customers LIMIT 20;

If no JSON file exists, the above code creates one. The view is then created in the JSON configuration file and is now discoverable. The JSON file location is specified by the UserDefinedViews connection property.

Alter a View

To alter an existing view, provide the name of an existing view alongside the new query you would like to use instead:

ALTER LOCAL VIEW [MyViewName] AS SELECT * FROM Customers WHERE TimeModified > '3/1/2020';

The view is then updated in the JSON configuration file.

Drop a View

To drop an existing view, provide the name of an existing schema alongside the new query you would like to use instead.

DROP LOCAL VIEW [MyViewName]

This removes the view from the JSON configuration file. It can no longer be queried.

Schema for User Defined Views

User Defined Views are exposed in the UserViews schema by default. This is done to avoid the view's name clashing with an actual entity in the data model. You can change the name of the schema used for UserViews by setting the UserViewsSchemaName property.

Work with User Defined Views

For example, a SQL statement with a User Defined View called UserViews.RCustomers only lists customers in Raleigh:

SELECT * FROM Customers WHERE City = 'Raleigh';

An example of a query to the driver:

SELECT * FROM UserViews.RCustomers WHERE Status = 'Active';

Resulting in the effective query to the source:

SELECT * FROM Customers WHERE City = 'Raleigh' AND Status = 'Active';

That is a very simple example of a query to a User Defined View that is effectively a combination of the view query and the view definition. It is possible to compose these queries in much more complex patterns. All SQL operations are allowed in both queries and are combined when appropriate.

SSL Configuration

Customize the SSL Configuration

By default, the connector attempts to negotiate SSL/TLS by checking the server's certificate against the system's trusted certificate store.

To specify another certificate, see the SSLServerCert property for the available formats to do so.

Data Model

This section describes how the connector models the Google Cloud Storage API as relational Views and Stored Procedures.

Key Features

  • The connector models Google Cloud Storage buckets, bucket information, and objects as relational views, allowing you to write SQL to query Google Cloud Storage data.
  • Stored procedures allow you to execute operations to Google Cloud Storage, including downloading and uploading objects.
  • Live connectivity to these objects means any changes to your Google Cloud Storage account are immediately reflected when using the connector.

Views

Pre-defined Views are available for read only access to data from Google Cloud Storage, including Buckets, Bucket information, and Objects.

Stored Procedures

Stored procedures allow you to execute operations to Google Cloud Storage, including downloading and uploading objects.

System Tables

System Tables contains information about the objects and resources belonging to your database.

Views

Views are similar to tables in the way that data is represented; however, views are read-only.

Queries can be executed against a view as if it were a normal table.

Google Cloud Storage Connector Views

Name Description
BucketACLs Returns information for ACLs of a specific bucket.
BucketCORS Returns information for CORS of a specific bucket.
BucketLifecycle Returns information about lifecycle of a specific bucket.
Buckets Returns information for buckets. Buckets are used to store objects, which consist of data and its metadata.
ObjectACLs Returns information for ACLs of a specific object.
Objects Returns information for objects inside a specific bucket.
ObjectVersions Returns information for object versions inside a specific bucket.

BucketACLs

Returns information for ACLs of a specific bucket.

Table Specific Information
Select

The connector will use the Google Cloud Storage API to process WHERE clause conditions built with the following column and operator. The rest of the filter is executed client side within the connector.

  • Bucket supports the '=,LIKE' comparisons.

For example, the following queries are processed server side:

SELECT * FROM BucketACLs WHERE Bucket = 'TestBucket'
Columns
Name Type Description
Id [KEY] String The ID of the access-control entry.
Entity String The entity holding the permission.
Role String The access permission for the entity.
Email String The email address associated with the entity, if any.
EntityId String The ID for the entity, if any.
Domain String The domain associated with the entity, if any.
ProjectTeamNumber String The project number.
ProjectTeamType String The team type.
ETag String HTTP 1.1 Entity tag for the access-control entry.
Bucket String The name of the bucket.

BucketCORS

Returns information for CORS of a specific bucket.

Table Specific Information
Select

The connector will use the Google Cloud Storage API to process WHERE clause conditions built with the following column and operator. The rest of the filter is executed client side within the connector.

  • Bucket supports the '=,LIKE' comparisons.

For example, the following queries are processed server side:

SELECT * FROM BucketCORS WHERE Bucket = 'TestBucket'
Columns
Name Type Description
Origin String The list of Origins eligible to receive CORS response headers.
Method String The list of HTTP methods on which to include CORS response headers, (GET, OPTIONS, POST, etc).
ResponseHeader String The list of HTTP headers other than the simple response headers to give permission for the user-agent to share across domains.
MaxAgeSeconds Integer The value, in seconds, to return in the Access-Control-Max-Age header used in preflight responses.
Bucket String Name of the bucket.

BucketLifecycle

Returns information about lifecycle of a specific bucket.

Table Specific Information
Select

The connector will use the Google Cloud Storage API to process WHERE clause conditions built with the following column and operator. The rest of the filter is executed client side within the connector.

  • Bucket supports the '=,LIKE' comparisons.

For example, the following queries are processed server side:

SELECT * FROM BucketLifecycle WHERE Bucket = 'TestBucket'
Columns
Name Type Description
ActionType String Type of the action. Currently, Delete and SetStorageClass are supported.
ActionStorageClass String The new storage class when action.type is SetStorageClass. See lifecycle actions for a table of supported storage class transitions.
Age Integer Age of an object (in days). This condition is satisfied when an object reaches the specified age.
CreatedBefore Date A date in RFC 3339 format with only the date part.
IsLive Boolean Relevant only for versioned objects. If the value is true, this condition matches the live version of objects; if the value is false, it matches noncurrent versions of objects.
MatchesStorageClass String Objects having any of the storage classes specified by this condition will be matched. Values include STANDARD, NEARLINE, COLDLINE, ARCHIVE, MULTI_REGIONAL, REGIONAL, and DURABLE_REDUCED_AVAILABILITY.
NumberOfNewerVersions Integer Relevant only for versioned objects. If the value is N, this condition is satisfied when there are at least N versions (including the live version) newer than this version of the object.
CustomTimeBefore Date A date in the RFC 3339 format YYYY-MM-DD. This condition is satisfied when the customTime metadata for the object is set to an earlier date than the date used in this lifecycle condition.
NoncurrentTimeBefore Date Relevant only for versioned objects. A date in the RFC 3339 format YYYY-MM-DD. This condition is satisfied for objects that became noncurrent on a date prior to the one specified in this condition.
DaysSinceNoncurrentTime Integer Relevant only for versioned objects. This condition is satisfied when an object has been noncurrent for more than the specified number of days.
DaysSinceCustomTime Integer Days since the date set in the customTime metadata for the object. This condition is satisfied when the current date and time is at least the specified number of days after the customTime.
Bucket String Name of the bucket.

Buckets

Returns information for buckets. Buckets are used to store objects, which consist of data and its metadata.

Table Specific Information
Select

The connector will use the Google Cloud Storage API to process WHERE clause conditions built with the following column and operator. The rest of the filter is executed client side within the connector.

  • Name supports the '=,LIKE' comparisons.

For example, the following queries are processed server side:

SELECT * FROM Buckets WHERE Name = 'TestBucket'
Columns
Name Type Description
Id [KEY] String The ID of the bucket. For buckets, the ID and name properties are the same.
Name String The name of the bucket.
ProjectNumber String The project number of the project the bucket belongs to.
MetaGeneration String The metadata generation of this bucket.
Location String The location of the bucket. Object data for objects in the bucket resides in physical storage within this region.
StorageClass String The bucket's default storage class, used whenever no storageClass is specified for a newly-created object.
ETag String HTTP 1.1 Entity tag for the bucket.
DefaultEventBasedHold Boolean Whether or not to automatically apply an eventBasedHold to new objects added to the bucket.
TimeCreated Datetime The creation time of the bucket in RFC 3339 format.
Updated Datetime The modification time of the bucket in RFC 3339 format.
BucketPolicyOnlyEnabled Boolean Whether or not the bucket uses uniform bucket-level access. If set, access checks only use bucket-level IAM policies or above.
UniformBucketLevelAccessEnabled String Whether or not the bucket uses uniform bucket-level access. If set, access checks only use bucket-level IAM policies or above.
LocationType String The type of location that the bucket resides in, as determined by the location property.
RetentionPolicyPeriod String The period of time, in seconds, that objects in the bucket must be retained and cannot be deleted, overwritten, or made noncurrent. The value must be greater than 0 seconds and less than 3, 155, 760, 000 seconds.
RetentionPolicyEffectiveTime Datetime The time from which the retentionPolicy was effective, in RFC 3339 format.
RetentionPolicyIsLocked Boolean Whether or not the retentionPolicy is locked. If true, the retentionPolicy cannot be removed and the retention period cannot be reduced.
EncryptionDefaultKmsKeyName String A Cloud KMS key that will be used to encrypt objects inserted into this bucket, if no encryption method is specified.
OwnerEntity String The entity, in the form project-owner-projectId.
OwnerEntityId String The ID for the entity.
WebsiteMainPageSuffix String If the requested object path is missing, the service will ensure the path has a trailing '/', append this suffix, and attempt to retrieve the resulting object. This allows the creation of index.html objects to represent directory pages.
WebsiteNotFoundPage String If the requested object path is missing, and any mainPageSuffix object is missing, if applicable, the service will return the named object from this bucket as the content for a 404 Not Found result.
LogBucket String The destination bucket where the current bucket's logs should be placed.
LogObjectPrefix String A prefix for log object names. The default prefix is the bucket name.
VersioningEnabled Boolean While set to true, versioning is fully enabled for this bucket.
BillingRequesterPays Boolean When set to true, Requester Pays is enabled for this bucket.

ObjectACLs

Returns information for ACLs of a specific object.

Table Specific Information
Select

The connector will use the Google Cloud Storage API to process WHERE clause conditions built with the following column and operator. The rest of the filter is executed client side within the connector.

  • Object supports the '=,LIKE' comparisons.
  • Bucket supports the '=' comparison.

For example, the following queries are processed server side:

SELECT * FROM ObjectACLs WHERE Object = 'TestObject'

SELECT * FROM ObjectACLs WHERE Bucket = 'TestBucket'

SELECT * FROM ObjectACLs WHERE Object = 'TestObject' AND Bucket = 'TestBucket'
Columns
Name Type Description
Id [KEY] String The ID of the access-control entry.
Entity String The entity holding the permission.
Role String The access permission for the entity.
Email String The email address associated with the entity, if any.
EntityId String The ID for the entity, if any.
Domain String The domain associated with the entity, if any.
ProjectTeamNumber String The project number.
ProjectTeamType String The team type.
ETag String HTTP 1.1 Entity tag for the access-control entry.
Bucket String The name of the bucket.
Object String The name of the object.

Objects

Returns information for objects inside a specific bucket.

Table Specific Information
Select

The connector will use the Google Cloud Storage API to process WHERE clause conditions built with the following column and operator. The rest of the filter is executed client side within the connector.

  • Name supports the '=,LIKE' comparisons.
  • Bucket supports the '=' comparison.

For example, the following queries are processed server side:

SELECT * FROM Objects WHERE Name = 'TestObject'

SELECT * FROM Objects WHERE Bucket = 'TestBucket'

SELECT * FROM Objects WHERE Name LIKE 'Test%' AND Bucket = 'TestBucket'
Columns
Name Type Description
Id [KEY] String The ID of the object, including the bucket name, object name, and generation number.
Name String The name of the object. Required if not specified by URL parameter.
Bucket String The name of the bucket containing this object.
Generation String The content generation of this object. Used for object versioning.
MetaGeneration String The version of the metadata for this object at this generation. Used for preconditions and for detecting changes in metadata. A metageneration number is only meaningful in the context of a particular generation of a particular object.
ContentType String Content-Type of the object data. If an object is stored without a Content-Type, it is served as application/octet-stream.
TimeCreated Datetime The creation time of the object in RFC 3339 format.
Updated Datetime The modification time of the object metadata in RFC 3339 format.
TimeDeleted Datetime The deletion time of the object in RFC 3339 format. Returned if and only if this version of the object is no longer a live version, but remains in the bucket as a noncurrent version.
TemporaryHold Boolean Whether or not the object is subject to a temporary hold.
EventBasedHold Boolean Whether or not the object is subject to an event-based hold.
RetentionExpirationTime Datetime The earliest time that the object can be deleted, based on a bucket's retention policy, in RFC 3339 format.
StorageClass String Storage class of the object.
TimeStorageClassUpdated Datetime The time at which the object's storage class was last changed. When the object is initially created, it will be set to timeCreated.
Size String Content-Length of the data in bytes.
Md5Hash String MD5 hash of the data; encoded using base64. For more information about using the MD5 hash, see Hashes and ETags: Best Practices.
MediaLink String Media download link.
ContentEncoding String Content-Encoding of the object data.
ContentDisposition String Content-Disposition of the object data.
ContentLanguage String Content-Language of the object data.
CacheControl String Cache-Control directive for the object data. If omitted, and the object is accessible to all anonymous users, the default will be public, max-age=3600.
OwnerEntity String The entity, in the form user-emailAddress.
OwnerEntityId String The ID for the entity.
Crc32c String CRC32c checksum, as described in RFC 4960, Appendix B; encoded using base64 in big-endian byte order. For more information about using the CRC32c checksum, see Hashes and ETags: Best Practices.
ComponentCount Integer Number of underlying components that make up a composite object. Components are accumulated by compose operations, counting 1 for each non-composite source object and componentCount for each composite source object. Note: componentCount is included in the metadata for composite objects only.
Etag String HTTP 1.1 Entity tag for the object.
CustomerEncryptionAlgorithm String The encryption algorithm.
CustomerEncryptionKeySha256 String SHA256 hash value of the encryption key.
KmsKeyName String Cloud KMS Key used to encrypt this object, if the object is encrypted by such a key.
CustomTime Datetime CA user-specified timestamp for the object in RFC 3339 format.

ObjectVersions

Returns information for object versions inside a specific bucket.

Table Specific Information
Select

The connector will use the Google Cloud Storage API to process WHERE clause conditions built with the following column and operator. The rest of the filter is executed client side within the connector.

  • Bucket supports the '=' comparison.
  • Name supports the '=' comparison.

For example, the following queries are processed server side:

SELECT * FROM ObjectVersions WHERE Name = 'TestName'

SELECT * FROM ObjectVersions WHERE Bucket = 'TestBucket'
Columns
Name Type Description
Id String The ID of the object, including the bucket name, object name, and generation number.
Name [KEY] String The name of the object. Required if not specified by URL parameter.
Bucket String The name of the bucket containing this object.
Generation String The content generation of this object. Used for object versioning.
MetaGeneration String The version of the metadata for this object at this generation. Used for preconditions and for detecting changes in metadata. A metageneration number is only meaningful in the context of a particular generation of a particular object.
ContentType String Content-Type of the object data. If an object is stored without a Content-Type, it is served as application/octet-stream.
TimeCreated Datetime The creation time of the object in RFC 3339 format.
Updated Datetime The modification time of the object metadata in RFC 3339 format.
TimeDeleted Datetime The deletion time of the object in RFC 3339 format. Returned if and only if this version of the object is no longer a live version, but remains in the bucket as a noncurrent version.
TemporaryHold Boolean Whether or not the object is subject to a temporary hold.
EventBasedHold Boolean Whether or not the object is subject to an event-based hold.
RetentionExpirationTime Datetime The earliest time that the object can be deleted, based on a bucket's retention policy, in RFC 3339 format.
StorageClass String Storage class of the object.
TimeStorageClassUpdated Datetime The time at which the object's storage class was last changed. When the object is initially created, it will be set to timeCreated.
Size String Content-Length of the data in bytes.
Md5Hash String MD5 hash of the data; encoded using base64. For more information about using the MD5 hash, see Hashes and ETags: Best Practices.
MediaLink String Media download link.
ContentEncoding String Content-Encoding of the object data.
ContentDisposition String Content-Disposition of the object data.
ContentLanguage String Content-Language of the object data.
CacheControl String Cache-Control directive for the object data. If omitted, and the object is accessible to all anonymous users, the default will be public, max-age=3600.
OwnerEntity String The entity, in the form user-emailAddress.
OwnerEntityId String The ID for the entity.
Crc32c String CRC32c checksum, as described in RFC 4960, Appendix B; encoded using base64 in big-endian byte order. For more information about using the CRC32c checksum, see Hashes and ETags: Best Practices.
ComponentCount Integer Number of underlying components that make up a composite object. Components are accumulated by compose operations, counting 1 for each non-composite source object and componentCount for each composite source object. Note: componentCount is included in the metadata for composite objects only.
Etag String HTTP 1.1 Entity tag for the object.
CustomerEncryptionAlgorithm String The encryption algorithm.
CustomerEncryptionKeySha256 String SHA256 hash value of the encryption key.
KmsKeyName String Cloud KMS Key used to encrypt this object, if the object is encrypted by such a key.
CustomTime Datetime CA user-specified timestamp for the object in RFC 3339 format.

Stored Procedures

Stored procedures are function-like interfaces that extend the functionality of the connector beyond simple SELECT operations with Google Cloud Storage.

Stored procedures accept a list of parameters, perform their intended function, and then return any relevant response data from Google Cloud Storage, along with an indication of whether the procedure succeeded or failed.

Google Cloud Storage Connector Stored Procedures

Name Description
CopyObject Copies an object from one bucket to another.
CreateBucket Creates a bucket. The authenticated user must have the storage.buckets.create IAM permission to use this StoredProcedure.
DeleteObject Deletes an object from a bucket.
DownloadObject Passes the name of a bucket and object to download.
EnableVersioning Enables object versioning in a specific bucket.
GetOAuthAccessToken Obtains the OAuth access token to be used for authentication with various Google services.
GetOAuthAuthorizationURL Obtains the OAuth authorization URL used for authentication with various Google services.
MoveObject Moves an object from one bucket to another.
RefreshOAuthAccessToken Obtains the OAuth access token to be used for authentication with various Google services.
SignURL Uploads objects in a single operation. Use the SimpleUploadLimit connection property to adjust the threshold in bytes in order to perform a multipart upload.
UploadObject Uploads objects in a single operation. Use the SimpleUploadLimit connection property to adjust the threshold in bytes in order to perform a multipart upload.

CopyObject

Copies an object from one bucket to another.

Input
Name Type Required Description
BucketSource String True Bucket name where the object to be copied is located.
ObjectSource String True Object name of the object that will be copied.
BucketDestination String True Bucket name where the object will be copied to.
ObjectDestination String False New name of the object in the new bucket. If not specified, the name will be the same.
Result Set Columns
Name Type Description
Success String Indicator if the stored procedure was successful or not.

CreateBucket

Creates a bucket. The authenticated user must have the storage.buckets.create IAM permission to use this StoredProcedure.

Input
Name Type Required Description
Name String True The name of the new bucket
PredefinedAcl String False Apply a predefined set of access controls to this bucket. The allowed values are authenticatedRead, private, projectPrivate, publicRead, publicReadWrite.
PredefinedDefaultObjectAcl String False Apply a predefined set of default object access controls to this bucket. The allowed values are authenticatedRead, bucketOwnerFullControl, bucketOwnerRead, private, projectPrivate, publicRead.
Result Set Columns
Name Type Description
Success String Indicator if the stored procedure was successful or not.
Id String The ID of the created bucket.

DeleteObject

Deletes an object from a bucket.

Input
Name Type Required Description
BucketSource String True Bucket name where the object to be deleted is located.
ObjectSource String True Object name of the object that will be deleted.
Generation Long False If present, permanently deletes a specific revision of this object (as opposed to the latest version, the default).
IfGenerationMatch Long False Makes the operation conditional on whether the object's current generation matches the given value. Setting to 0 makes the operation succeed only if there are no live versions of the object.
IfGenerationNotMatch Long False Makes the operation conditional on whether the object's current generation does not match the given value. If no live object exists, the precondition fails. Setting to 0 makes the operation succeed only if there is a live version of the object.
IfMetagenerationMatch Long False Makes the operation conditional on whether the object's current metageneration matches the given value.
IfMetagenerationNotMatch Long False Makes the operation conditional on whether the object's current metageneration does not match the given value.
Result Set Columns
Name Type Description
Success String Indicator if the stored procedure was successful or not.

DownloadObject

Passes the name of a bucket and object to download.

Input
Name Type Required Description
Bucket String True Bucket name where the object is located.
Object String False Object name for the object that should be retrieved. If not specified, all the objects from the specified bucket will be retrieved.
LocalFolderPath String False The path, or URI, to the file that will receive the data of the object.
UpdatedStartDate Datetime False The start of the date range to download objects. If not specified, objects will be downloaded from the beginning of the time until the UpdatedEndDate.
UpdatedEndDate Datetime False The end of the date range to download objects. If not specified, objects will be downloaded from the specified UpdatedStartDate until the present day.
Encoding String False If the LocalFile input is left empty, the data will be output to FileData in the specified encoding. The allowed values are NONE, BASE64. The default value is BASE64.
Result Set Columns
Name Type Description
Object String Object name for the object that is downloaded.
FileData String The base64encoded object data output, if the OutputFolderPath input is empty.
Success String Indicator if the stored procedure was successful or not.

EnableVersioning

Enables object versioning in a specific bucket.

Input
Name Type Required Description
Bucket String True Bucket name where the versioning will be enabled.
Result Set Columns
Name Type Description
Success String Indicator if the stored procedure was successful or not.

GetOAuthAccessToken

Obtains the OAuth access token to be used for authentication with various Google services.

Note

If, after running this stored procedure, the OAuthRefreshToken was not returned as part of the result set, change the Prompt value to CONSENT and run the procedure again. This forces the app to reauthenticate and send new token information.

Input
Name Type Required Description
AuthMode String True The type of authentication mode to use. The allowed values are APP, WEB. The default value is WEB.
Verifier String False The verifier code returned by Google after permission for the app to connect has been granted. WEB AuthMode only.
Scope String True The scope of access to Google APIs. By default, access to all APIs used by this data provider will be specified. The default value is https://www.googleapis.com/auth/devstorage.read_write https://www.googleapis.com/auth/devstorage.read_only.
CallbackURL String False This field determines where the response is sent. The value of this parameter must exactly match one of the values registered in the APIs Console, including the HTTP or HTTPS schemes, capitalization, and trailing forward slash ('/').
Prompt String True This field indicates the prompt to present the user. It accepts one of the following values: NONE, CONSENT, SELECT ACCOUNT. The default is SELECT_ACCOUNT, so a given user will be prompted to select the account to connect to. If it is set to CONSENT, the user will see a consent page every time, even if they have previously given consent to the application for a given set of scopes. Lastly, if it is set to NONE, no authentication or consent screens will be displayed to the user. The default value is SELECT_ACCOUNT.
AccessType String True This field indicates if your application needs to access a Google API when the user is not present at the browser. This parameter defaults to OFFLINE. If your application needs to refresh access tokens when the user is not present at the browser, then use OFFLINE. This will result in your application obtaining a refresh token the first time your application exchanges an authorization code for a user. The allowed values are ONLINE, OFFLINE. The default value is OFFLINE.
State String False This field indicates any state that may be useful to your application upon receipt of the response. Your application receives the same value it sent, as this parameter makes a round-trip to Google authorization server and back. Uses include redirecting the user to the correct resource in your site, using nonces, and mitigating cross-site request forgery.
Result Set Columns
Name Type Description
OAuthAccessToken String The authentication token returned from Google. This can be used in subsequent calls to other operations for this particular service.
OAuthRefreshToken String A token that may be used to obtain a new access token.
ExpiresIn String The remaining lifetime on the access token.

GetOAuthAuthorizationURL

Obtains the OAuth authorization URL used for authentication with various Google services.

Input
Name Type Required Description
Scope String True The scope of access to Google APIs. By default, access to all APIs used by this data provider will be specified. The default value is https://www.googleapis.com/auth/devstorage.read_write https://www.googleapis.com/auth/devstorage.read_only.
CallbackURL String False This field determines where the response is sent. The value of this parameter must exactly match one of the values registered in the APIs Console, including the HTTP or HTTPS schemes, case, and trailing forward slash ('/').
Prompt String True This field indicates the prompt to present the user. It accepts one of the following values: NONE, CONSENT, SELECT ACCOUNT. The default is SELECT_ACCOUNT, so a given user will be prompted to select the account to connect to. If it is set to CONSENT, the user will see a consent page every time, even if they have previously given consent to the application for a given set of scopes. Lastly, if it is set to NONE, no authentication or consent screens will be displayed to the user. The default value is SELECT_ACCOUNT.
AccessType String True This field indicates if your application needs to access a Google API when the user is not present at the browser. This parameter defaults to OFFLINE. If your application needs to refresh access tokens when the user is not present at the browser, then use OFFLINE. This will result in your application obtaining a refresh token the first time your application exchanges an authorization code for a user. The allowed values are ONLINE, OFFLINE. The default value is OFFLINE.
State String False This field indicates any state that may be useful to your application upon receipt of the response. Your application receives the same value it sent, as this parameter makes a round-trip to the Google authorization server and back. Possible uses include redirecting the user to the correct resource in your site, using nonces, and mitigating cross-site request forgery.
Result Set Columns
Name Type Description
URL String The URL to complete user authentication.

MoveObject

Moves an object from one bucket to another.

Input
Name Type Required Description
BucketSource String True Bucket name where the object to be moved is located.
ObjectSource String True Object name of the object that will be moved.
BucketDestination String True Bucket name where the object will be moved to.
ObjectDestination String False New name of the object in the new bucket. If not specified, the name will be the same.
Result Set Columns
Name Type Description
Success String Indicator if the stored procedure was successful or not.

RefreshOAuthAccessToken

Obtains the OAuth access token to be used for authentication with various Google services.

Input
Name Type Required Description
OAuthRefreshToken String True The refresh token returned from the original authorization code exchange.
Result Set Columns
Name Type Description
OAuthAccessToken String The authentication token returned from Google. This can be used in subsequent calls to other operations for this particular service.
OAuthRefreshToken String The authentication token returned from Google. This can be used in subsequent calls to other operations for this particular service.
ExpiresIn String The remaining lifetime on the access token.

SignURL

Uploads objects in a single operation. Use the SimpleUploadLimit connection property to adjust the threshold in bytes in order to perform a multipart upload.

Note

You will need the following IAM roles to leverage this stored procedure:

  • storage.objects.create (allows you to create a signedUrl to upload an object)
  • storage.objects.get (allows you to create a signedUrl to download the object)
Input
Name Type Required Description
Bucket String True The bucket name where the object resides.
Object String True The name of the object to generate the SignedURL for.
RequestMethod String False The method that the signed request will use. The default value is GET.
Location String False Location of the specified bucket. The default value is auto.
ActiveDateTime String False The dateTime when the SignedURL will become active. If not specified the current dateTime will be used.
Query String False The query string that must be included when using the SignedURL, if not specified no query string will be used.
CustomHeaders String False A comma separated list of name=value of the headers to use with the SignedURL, if not specified not custom headers will be used.
ExpiresIn String True The expiration time for the SignedURL it should be in the format: 1d2h3m4s, the maximum value is 7d0h0m0s
HmacAccessKey String False The Hmac access key.
HmacSecret String False The Hmac secret.
Result Set Columns
Name Type Description
Success String Indicator if the stored procedure was successful or not.
SignedURL String Returns a signedUrl which can be used to download the resource.

UploadObject

Uploads objects in a single operation. Use the SimpleUploadLimit connection property to adjust the threshold in bytes in order to perform a multipart upload.

Execute

The Driver Uses #TEMP tables as fields for aggregate information entered

You must include in your query:

INSERT INTO ObjectInformationAggregate#TEMP (LocalFilePath) VALUES ('C:/amazons3/test/testfile.txt')

If specifying a list of files, you can additionally set the value of ContentType:

INSERT INTO ObjectInformationAggregate#TEMP (LocalFilePath, ContentType) VALUES ('C:/amazons3/test/testfile.txt', 'text/plain')

Then you execute the procedure by specifying the value of ObjectInformationAggregate with the name of #TEMP table used ObjectInformationAggregate#TEMP.

EXEC UploadObject ObjectInformationAggregate = 'ObjectInformationAggregate#TEMP'

Note

When setting the GetSignedUrl input to true, you need to authenticate with a service account which has the storage.objects.get IAM role.

Input
Name Type Required Accepts Input Streams Description
Bucket String True False Bucket name where the object will be uploaded.
ContentStream String False True The content as InputStream to be uploaded when LocalFilePath or ObjectInformationAggregate is not specified.
ObjectName String False False The name of the uploaded object. It should be specified only when uploading the content as InputStream.
FolderPath String False False The path to the folder that will receive the data of the object.
LocalFilePath String False False The path to the file that will be uploaded in the bucket. If this is a path to a folder, then all the files in the folder will be uploaded in the bucket.
ContentType String False False Content-Type of the object data.
ObjectInformationAggregate String False False An aggregate representing the object information. Can be in the form of XML, JSON or a #TEMP table.
GetSignedUrl Boolean False False Whether to return a signedURL. Only available when OAuthJWTCert is set. The default value is false.
ExpiresIn String False False The expiration time for the SignedURL it should be in the format: 1d2h3m4s, the maximum value is 7d0h0m0s
Result Set Columns
Name Type Description
Object String Object name for the object that is uploaded.
Success String Indicator if the stored procedure was successful or not.
SignedURL String Returns a signedUrl which can be used to download the resource.

System Tables

You can query the system tables described in this section to access schema information, information on data source functionality, and batch operation statistics.

Schema Tables

The following tables return database metadata for Google Cloud Storage:

Data Source Tables

The following tables return information about how to connect to and query the data source:

  • sys_connection_props: Returns information on the available connection properties.
  • sys_sqlinfo: Describes the SELECT queries that the connector can offload to the data source.

Query Information Tables

The following table returns query statistics for data modification queries:

  • sys_identity: Returns information about batch operations or single updates.

sys_catalogs

Lists the available databases.

The following query retrieves all databases determined by the connection string:

SELECT * FROM sys_catalogs
Columns
Name Type Description
CatalogName String The database name.

sys_schemas

Lists the available schemas.

The following query retrieves all available schemas:

SELECT * FROM sys_schemas
Columns
Name Type Description
CatalogName String The database name.
SchemaName String The schema name.

sys_tables

Lists the available tables.

The following query retrieves the available tables and views:

SELECT * FROM sys_tables
Columns
Name Type Description
CatalogName String The database containing the table or view.
SchemaName String The schema containing the table or view.
TableName String The name of the table or view.
TableType String The table type (table or view).
Description String A description of the table or view.
IsUpdateable Boolean Whether the table can be updated.

sys_tablecolumns

Describes the columns of the available tables and views.

The following query returns the columns and data types for the Buckets table:

SELECT ColumnName, DataTypeName FROM sys_tablecolumns WHERE TableName='Buckets'
Columns
Name Type Description
CatalogName String The name of the database containing the table or view.
SchemaName String The schema containing the table or view.
TableName String The name of the table or view containing the column.
ColumnName String The column name.
DataTypeName String The data type name.
DataType Int32 An integer indicating the data type. This value is determined at run time based on the environment.
Length Int32 The storage size of the column.
DisplaySize Int32 The designated column's normal maximum width in characters.
NumericPrecision Int32 The maximum number of digits in numeric data. The column length in characters for character and date-time data.
NumericScale Int32 The column scale or number of digits to the right of the decimal point.
IsNullable Boolean Whether the column can contain null.
Description String A brief description of the column.
Ordinal Int32 The sequence number of the column.
IsAutoIncrement String Whether the column value is assigned in fixed increments.
IsGeneratedColumn String Whether the column is generated.
IsHidden Boolean Whether the column is hidden.
IsArray Boolean Whether the column is an array.
IsReadOnly Boolean Whether the column is read-only.
IsKey Boolean Indicates whether a field returned from sys_tablecolumns is the primary key of the table.

sys_procedures

Lists the available stored procedures.

The following query retrieves the available stored procedures:

SELECT * FROM sys_procedures
Columns
Name Type Description
CatalogName String The database containing the stored procedure.
SchemaName String The schema containing the stored procedure.
ProcedureName String The name of the stored procedure.
Description String A description of the stored procedure.
ProcedureType String The type of the procedure, such as PROCEDURE or FUNCTION.

sys_procedureparameters

Describes stored procedure parameters.

The following query returns information about all of the input parameters for the DownloadObject stored procedure:

SELECT * FROM sys_procedureparameters WHERE ProcedureName='DownloadObject' AND Direction=1 OR Direction=2
Columns
Name Type Description
CatalogName String The name of the database containing the stored procedure.
SchemaName String The name of the schema containing the stored procedure.
ProcedureName String The name of the stored procedure containing the parameter.
ColumnName String The name of the stored procedure parameter.
Direction Int32 An integer corresponding to the type of the parameter: input (1), input/output (2), or output(4). input/output type parameters can be both input and output parameters.
DataTypeName String The name of the data type.
DataType Int32 An integer indicating the data type. This value is determined at run time based on the environment.
Length Int32 The number of characters allowed for character data. The number of digits allowed for numeric data.
NumericPrecision Int32 The maximum precision for numeric data. The column length in characters for character and date-time data.
NumericScale Int32 The number of digits to the right of the decimal point in numeric data.
IsNullable Boolean Whether the parameter can contain null.
IsRequired Boolean Whether the parameter is required for execution of the procedure.
IsArray Boolean Whether the parameter is an array.
Description String The description of the parameter.
Ordinal Int32 The index of the parameter.

sys_keycolumns

Describes the primary and foreign keys.

The following query retrieves the primary key for the Buckets table:

SELECT * FROM sys_keycolumns WHERE IsKey='True' AND TableName='Buckets'
Columns
Name Type Description
CatalogName String The name of the database containing the key.
SchemaName String The name of the schema containing the key.
TableName String The name of the table containing the key.
ColumnName String The name of the key column.
IsKey Boolean Whether the column is a primary key in the table referenced in the TableName field.
IsForeignKey Boolean Whether the column is a foreign key referenced in the TableName field.
PrimaryKeyName String The name of the primary key.
ForeignKeyName String The name of the foreign key.
ReferencedCatalogName String The database containing the primary key.
ReferencedSchemaName String The schema containing the primary key.
ReferencedTableName String The table containing the primary key.
ReferencedColumnName String The column name of the primary key.

sys_foreignkeys

Describes the foreign keys.

The following query retrieves all foreign keys which refer to other tables:

SELECT * FROM sys_foreignkeys WHERE ForeignKeyType = 'FOREIGNKEY_TYPE_IMPORT'
Columns
Name Type Description
CatalogName String The name of the database containing the key.
SchemaName String The name of the schema containing the key.
TableName String The name of the table containing the key.
ColumnName String The name of the key column.
PrimaryKeyName String The name of the primary key.
ForeignKeyName String The name of the foreign key.
ReferencedCatalogName String The database containing the primary key.
ReferencedSchemaName String The schema containing the primary key.
ReferencedTableName String The table containing the primary key.
ReferencedColumnName String The column name of the primary key.
ForeignKeyType String Designates whether the foreign key is an import (points to other tables) or export (referenced from other tables) key.

sys_primarykeys

Describes the primary keys.

The following query retrieves the primary keys from all tables and views:

SELECT * FROM sys_primarykeys
Columns
Name Type Description
CatalogName String The name of the database containing the key.
SchemaName String The name of the schema containing the key.
TableName String The name of the table containing the key.
ColumnName String The name of the key column.
KeySeq String The sequence number of the primary key.
KeyName String The name of the primary key.

sys_indexes

Describes the available indexes. By filtering on indexes, you can write more selective queries with faster query response times.

The following query retrieves all indexes that are not primary keys:

SELECT * FROM sys_indexes WHERE IsPrimary='false'
Columns
Name Type Description
CatalogName String The name of the database containing the index.
SchemaName String The name of the schema containing the index.
TableName String The name of the table containing the index.
IndexName String The index name.
ColumnName String The name of the column associated with the index.
IsUnique Boolean True if the index is unique. False otherwise.
IsPrimary Boolean True if the index is a primary key. False otherwise.
Type Int16 An integer value corresponding to the index type: statistic (0), clustered (1), hashed (2), or other (3).
SortOrder String The sort order: A for ascending or D for descending.
OrdinalPosition Int16 The sequence number of the column in the index.

sys_connection_props

Returns information on the available connection properties and those set in the connection string.

When querying this table, the config connection string should be used:

jdbc:cdata:googlecloudstorage:config:

This connection string enables you to query this table without a valid connection.

The following query retrieves all connection properties that have been set in the connection string or set through a default value:

SELECT * FROM sys_connection_props WHERE Value <> ''
Columns
Name Type Description
Name String The name of the connection property.
ShortDescription String A brief description.
Type String The data type of the connection property.
Default String The default value if one is not explicitly set.
Values String A comma-separated list of possible values. A validation error is thrown if another value is specified.
Value String The value you set or a preconfigured default.
Required Boolean Whether the property is required to connect.
Category String The category of the connection property.
IsSessionProperty String Whether the property is a session property, used to save information about the current connection.
Sensitivity String The sensitivity level of the property. This informs whether the property is obfuscated in logging and authentication forms.
PropertyName String A camel-cased truncated form of the connection property name.
Ordinal Int32 The index of the parameter.
CatOrdinal Int32 The index of the parameter category.
Hierarchy String Shows dependent properties associated that need to be set alongside this one.
Visible Boolean Informs whether the property is visible in the connection UI.
ETC String Various miscellaneous information about the property.

sys_sqlinfo

Describes the SELECT query processing that the connector can offload to the data source.

Discovering the Data Source's SELECT Capabilities

Below is an example data set of SQL capabilities. Some aspects of SELECT functionality are returned in a comma-separated list if supported; otherwise, the column contains NO.

Name Description Possible Values
AGGREGATE_FUNCTIONS Supported aggregation functions. AVG, COUNT, MAX, MIN, SUM, DISTINCT
COUNT Whether COUNT function is supported. YES, NO
IDENTIFIER_QUOTE_OPEN_CHAR The opening character used to escape an identifier. [
IDENTIFIER_QUOTE_CLOSE_CHAR The closing character used to escape an identifier. ]
SUPPORTED_OPERATORS A list of supported SQL operators. =, >, <, >=, <=, <>, !=, LIKE, NOT LIKE, IN, NOT IN, IS NULL, IS NOT NULL, AND, OR
GROUP_BY Whether GROUP BY is supported, and, if so, the degree of support. NO, NO_RELATION, EQUALS_SELECT, SQL_GB_COLLATE
STRING_FUNCTIONS Supported string functions. LENGTH, CHAR, LOCATE, REPLACE, SUBSTRING, RTRIM, LTRIM, RIGHT, LEFT, UCASE, SPACE, SOUNDEX, LCASE, CONCAT, ASCII, REPEAT, OCTET, BIT, POSITION, INSERT, TRIM, UPPER, REGEXP, LOWER, DIFFERENCE, CHARACTER, SUBSTR, STR, REVERSE, PLAN, UUIDTOSTR, TRANSLATE, TRAILING, TO, STUFF, STRTOUUID, STRING, SPLIT, SORTKEY, SIMILAR, REPLICATE, PATINDEX, LPAD, LEN, LEADING, KEY, INSTR, INSERTSTR, HTML, GRAPHICAL, CONVERT, COLLATION, CHARINDEX, BYTE
NUMERIC_FUNCTIONS Supported numeric functions. ABS, ACOS, ASIN, ATAN, ATAN2, CEILING, COS, COT, EXP, FLOOR, LOG, MOD, SIGN, SIN, SQRT, TAN, PI, RAND, DEGREES, LOG10, POWER, RADIANS, ROUND, TRUNCATE
TIMEDATE_FUNCTIONS Supported date/time functions. NOW, CURDATE, DAYOFMONTH, DAYOFWEEK, DAYOFYEAR, MONTH, QUARTER, WEEK, YEAR, CURTIME, HOUR, MINUTE, SECOND, TIMESTAMPADD, TIMESTAMPDIFF, DAYNAME, MONTHNAME, CURRENT_DATE, CURRENT_TIME, CURRENT_TIMESTAMP, EXTRACT
REPLICATION_SKIP_TABLES Indicates tables skipped during replication.
REPLICATION_TIMECHECK_COLUMNS A string array containing a list of columns which will be used to check for (in the given order) to use as a modified column during replication.
IDENTIFIER_PATTERN String value indicating what string is valid for an identifier.
SUPPORT_TRANSACTION Indicates if the provider supports transactions such as commit and rollback. YES, NO
DIALECT Indicates the SQL dialect to use.
KEY_PROPERTIES Indicates the properties which identify the uniform database.
SUPPORTS_MULTIPLE_SCHEMAS Indicates if multiple schemas may exist for the provider. YES, NO
SUPPORTS_MULTIPLE_CATALOGS Indicates if multiple catalogs may exist for the provider. YES, NO
DATASYNCVERSION The Data Sync version needed to access this driver. Standard, Starter, Professional, Enterprise
DATASYNCCATEGORY The Data Sync category of this driver. Source, Destination, Cloud Destination
SUPPORTSENHANCEDSQL Whether enhanced SQL functionality beyond what is offered by the API is supported. TRUE, FALSE
SUPPORTS_BATCH_OPERATIONS Whether batch operations are supported. YES, NO
SQL_CAP All supported SQL capabilities for this driver. SELECT, INSERT, DELETE, UPDATE, TRANSACTIONS, ORDERBY, OAUTH, ASSIGNEDID, LIMIT, LIKE, BULKINSERT, COUNT, BULKDELETE, BULKUPDATE, GROUPBY, HAVING, AGGS, OFFSET, REPLICATE, COUNTDISTINCT, JOINS, DROP, CREATE, DISTINCT, INNERJOINS, SUBQUERIES, ALTER, MULTIPLESCHEMAS, GROUPBYNORELATION, OUTERJOINS, UNIONALL, UNION, UPSERT, GETDELETED, CROSSJOINS, GROUPBYCOLLATE, MULTIPLECATS, FULLOUTERJOIN, MERGE, JSONEXTRACT, BULKUPSERT, SUM, SUBQUERIESFULL, MIN, MAX, JOINSFULL, XMLEXTRACT, AVG, MULTISTATEMENTS, FOREIGNKEYS, CASE, LEFTJOINS, COMMAJOINS, WITH, LITERALS, RENAME, NESTEDTABLES, EXECUTE, BATCH, BASIC, INDEX
PREFERRED_CACHE_OPTIONS A string value specifies the preferred cacheOptions.
ENABLE_EF_ADVANCED_QUERY Indicates if the driver directly supports advanced queries coming from Entity Framework. If not, queries will be handled client side. YES, NO
PSEUDO_COLUMNS A string array indicating the available pseudo columns.
MERGE_ALWAYS If the value is true, The Merge Mode is forcibly executed in Data Sync. TRUE, FALSE
REPLICATION_MIN_DATE_QUERY A select query to return the replicate start datetime.
REPLICATION_MIN_FUNCTION Allows a provider to specify the formula name to use for executing a server side min.
REPLICATION_START_DATE Allows a provider to specify a replicate startdate.
REPLICATION_MAX_DATE_QUERY A select query to return the replicate end datetime.
REPLICATION_MAX_FUNCTION Allows a provider to specify the formula name to use for executing a server side max.
IGNORE_INTERVALS_ON_INITIAL_REPLICATE A list of tables which will skip dividing the replicate into chunks on the initial replicate.
CHECKCACHE_USE_PARENTID Indicates whether the CheckCache statement should be done against the parent key column. TRUE, FALSE
CREATE_SCHEMA_PROCEDURES Indicates stored procedures that can be used for generating schema files.

The following query retrieves the operators that can be used in the WHERE clause:

SELECT * FROM sys_sqlinfo WHERE Name = 'SUPPORTED_OPERATORS'

Note that individual tables may have different limitations or requirements on the WHERE clause; refer to the Data Model section for more information.

Columns
Name Type Description
NAME String A component of SQL syntax, or a capability that can be processed on the server.
VALUE String Detail on the supported SQL or SQL syntax.

sys_identity

Returns information about attempted modifications.

The following query retrieves the Ids of the modified rows in a batch operation:

SELECT * FROM sys_identity
Columns
Name Type Description
Id String The database-generated ID returned from a data modification operation.
Batch String An identifier for the batch. 1 for a single operation.
Operation String The result of the operation in the batch: INSERTED, UPDATED, or DELETED.
Message String SUCCESS or an error message if the update in the batch failed.

Advanced Configurations Properties

The advanced configurations properties are the various options that can be used to establish a connection. This section provides a complete list of the options you can configure. Click the links for further details.

Authentication

Property Description
AuthScheme The type of authentication to use when connecting to Google Cloud Storage.
ProjectId The ID of the project where your Google Cloud Storage instance resides.

OAuth

Property Description
InitiateOAuth Set this property to initiate the process to obtain or refresh the OAuth access token when you connect.
OAuthClientId The client ID assigned when you register your application with an OAuth authorization server.
OAuthClientSecret The client secret assigned when you register your application with an OAuth authorization server.
OAuthAccessToken The access token for connecting using OAuth.
OAuthSettingsLocation The location of the settings file where OAuth values are saved when InitiateOAuth is set to GETANDREFRESH or REFRESH . Alternatively, you can hold this location in memory by specifying a value starting with 'memory://'.
CallbackURL The OAuth callback URL to return to when authenticating. This value must match the callback URL you specify in your app settings.
OAuthVerifier The verifier code returned from the OAuth authorization URL.
OAuthRefreshToken The OAuth refresh token for the corresponding OAuth access token.
OAuthExpiresIn The lifetime in seconds of the OAuth AccessToken.
OAuthTokenTimestamp The Unix epoch timestamp in milliseconds when the current Access Token was created.

JWT OAuth

Property Description
OAuthJWTCert The JWT Certificate store.
OAuthJWTCertType The type of key store containing the JWT Certificate.
OAuthJWTCertPassword The password for the OAuth JWT certificate.
OAuthJWTCertSubject The subject of the OAuth JWT certificate.
OAuthJWTIssuer The issuer of the Java Web Token.
OAuthJWTSubject The user subject for which the application is requesting delegated access.

SSL

Property Description
SSLServerCert The certificate to be accepted from the server when connecting using TLS/SSL.

Schema

Property Description
Location A path to the directory that contains the schema files defining tables, views, and stored procedures.
BrowsableSchemas This property restricts the schemas reported to a subset of the available schemas. For example, BrowsableSchemas=SchemaA, SchemaB, SchemaC.
Tables This property restricts the tables reported to a subset of the available tables. For example, Tables=TableA, TableB, TableC.
Views Restricts the views reported to a subset of the available tables. For example, Views=ViewA, ViewB, ViewC.

Miscellaneous

Property Description
MaxRows Limits the number of rows returned when no aggregation or GROUP BY is used in the query. This takes precedence over LIMIT clauses.
Other These hidden properties are used only in specific use cases.
PseudoColumns This property indicates whether or not to include pseudo columns as columns to the table.
SimpleUploadLimit This setting specifies the threshold, in bytes, above which the provider will choose to perform a multipart upload rather than uploading everything in one request.
Timeout The value in seconds until the timeout error is thrown, canceling the operation.
UserDefinedViews A filepath pointing to the JSON configuration file containing your custom views.

Authentication

This section provides a complete list of authentication properties you can configure.

Property Description
AuthScheme The type of authentication to use when connecting to Google Cloud Storage.
ProjectId The ID of the project where your Google Cloud Storage instance resides.

AuthScheme

The type of authentication to use when connecting to Google Cloud Storage.

Possible Values

Auto, OAuth, OAuthJWT, GCPInstanceAccount

Data Type

string

Default Value

Auto

Remarks
  • Auto: Lets the driver decide automatically based on the other connection properties you have set.
  • OAuth: Set this to perform OAuth authentication using a standard user account.
  • OAuthJWT: Set this to perform OAuth authentication using an OAuth service account.
  • GCPInstanceAccount: Set this to get Access Token from Google Cloud Platform instance.

ProjectId

The ID of the project where your Google Cloud Storage instance resides.

Data Type

string

Default Value

""

Remarks

The ID of the project where your Google Cloud Storage instance resides. You can find this value by going to Google Cloud Console and clicking the project name at the top left screen. The ProjectId is displayed on the ID column of the matching project.

OAuth

This section provides a complete list of OAuth properties you can configure.

Property Description
InitiateOAuth Set this property to initiate the process to obtain or refresh the OAuth access token when you connect.
OAuthClientId The client ID assigned when you register your application with an OAuth authorization server.
OAuthClientSecret The client secret assigned when you register your application with an OAuth authorization server.
OAuthAccessToken The access token for connecting using OAuth.
OAuthSettingsLocation The location of the settings file where OAuth values are saved when InitiateOAuth is set to GETANDREFRESH or REFRESH . Alternatively, you can hold this location in memory by specifying a value starting with 'memory://'.
CallbackURL The OAuth callback URL to return to when authenticating. This value must match the callback URL you specify in your app settings.
OAuthVerifier The verifier code returned from the OAuth authorization URL.
OAuthRefreshToken The OAuth refresh token for the corresponding OAuth access token.
OAuthExpiresIn The lifetime in seconds of the OAuth AccessToken.
OAuthTokenTimestamp The Unix epoch timestamp in milliseconds when the current Access Token was created.

InitiateOAuth

Set this property to initiate the process to obtain or refresh the OAuth access token when you connect.

Possible Values

OFF, GETANDREFRESH, REFRESH

Data Type

string

Default Value

OFF

Remarks

The following options are available:

  1. OFF: Indicates that the OAuth flow will be handled entirely by the user. An OAuthAccessToken will be required to authenticate.
  2. GETANDREFRESH: Indicates that the entire OAuth Flow will be handled by the connector. If no token currently exists, it will be obtained by prompting the user via the browser. If a token exists, it will be refreshed when applicable.
  3. REFRESH: Indicates that the connector will only handle refreshing the OAuthAccessToken. The user will never be prompted by the connector to authenticate via the browser. The user must handle obtaining the OAuthAccessToken and OAuthRefreshToken initially.

OAuthClientId

The client ID assigned when you register your application with an OAuth authorization server.

Data Type

string

Default Value

""

Remarks

As part of registering an OAuth application, you will receive the OAuthClientId value, sometimes also called a consumer key, and a client secret, the OAuthClientSecret.

OAuthClientSecret

The client secret assigned when you register your application with an OAuth authorization server.

Data Type

string

Default Value

""

Remarks

As part of registering an OAuth application, you will receive the OAuthClientId, also called a consumer key. You will also receive a client secret, also called a consumer secret. Set the client secret in the OAuthClientSecret property.

OAuthAccessToken

The access token for connecting using OAuth.

Data Type

string

Default Value

""

Remarks

The OAuthAccessToken property is used to connect using OAuth. The OAuthAccessToken is retrieved from the OAuth server as part of the authentication process. It has a server-dependent timeout and can be reused between requests.

The access token is used in place of your user name and password. The access token protects your credentials by keeping them on the server.

OAuthSettingsLocation

The location of the settings file where OAuth values are saved when InitiateOAuth is set to GETANDREFRESH or REFRESH. Alternatively, you can hold this location in memory by specifying a value starting with 'memory://'.

Data Type

string

Default Value

%APPDATA%\CData\Acumatica Data Provider\OAuthSettings.txt

Remarks

When InitiateOAuth is set to GETANDREFRESH or REFRESH, the driver saves OAuth values to avoid requiring the user to manually enter OAuth connection properties and to allow the credentials to be shared across connections or processes.

Instead of specifying a file path, you can use memory storage. Memory locations are specified by using a value starting with 'memory://' followed by a unique identifier for that set of credentials (for example, memory://user1). The identifier can be anything you choose but should be unique to the user. Unlike file-based storage, where credentials persist across connections, memory storage loads the credentials into static memory, and the credentials are shared between connections using the same identifier for the life of the process. To persist credentials outside the current process, you must manually store the credentials prior to closing the connection. This enables you to set them in the connection when the process is started again. You can retrieve OAuth property values with a query to the sys_connection_props system table. If there are multiple connections using the same credentials, the properties are read from the previously closed connection.

The default location is "%APPDATA%\CData\Acumatica Data Provider\OAuthSettings.txt" with %APPDATA% set to the user's configuration directory. The default values are

  • Windows: "register://%DSN"
  • Unix: "%AppData%..."

where DSN is the name of the current DSN used in the open connection.

The following table lists the value of %APPDATA% by OS:

Platform %APPDATA%
Windows The value of the APPDATA environment variable
Linux ~/.config

CallbackURL

The OAuth callback URL to return to when authenticating. This value must match the callback URL you specify in your app settings.

Data Type

string

Default Value

http://127.0.0.1/

Remarks

During the authentication process, the OAuth authorization server redirects the user to this URL. This value must match the callback URL you specify in your app settings.

OAuthVerifier

The verifier code returned from the OAuth authorization URL.

Data Type

string

Default Value

""

Remarks

The verifier code returned from the OAuth authorization URL. This can be used on systems where a browser cannot be launched such as headless systems.

Authentication on Headless Machines

See to obtain the OAuthVerifier value.

Set OAuthSettingsLocation along with OAuthVerifier. When you connect, the connector exchanges the OAuthVerifier for the OAuth authentication tokens and saves them, encrypted, to the specified location. Set InitiateOAuth to GETANDREFRESH to automate the exchange.

Once the OAuth settings file has been generated, you can remove OAuthVerifier from the connection properties and connect with OAuthSettingsLocation set.

To automatically refresh the OAuth token values, set OAuthSettingsLocation and additionally set InitiateOAuth to REFRESH.

OAuthRefreshToken

The OAuth refresh token for the corresponding OAuth access token.

Data Type

string

Default Value

""

Remarks

The OAuthRefreshToken property is used to refresh the OAuthAccessToken when using OAuth authentication.

OAuthExpiresIn

The lifetime in seconds of the OAuth AccessToken.

Data Type

string

Default Value

""

Remarks

Pair with OAuthTokenTimestamp to determine when the AccessToken will expire.

OAuthTokenTimestamp

The Unix epoch timestamp in milliseconds when the current Access Token was created.

Data Type

string

Default Value

""

Remarks

Pair with OAuthExpiresIn to determine when the AccessToken will expire.

JWT OAuth

This section provides a complete list of JWT OAuth properties you can configure.

Property Description
OAuthJWTCert The JWT Certificate store.
OAuthJWTCertType The type of key store containing the JWT Certificate.
OAuthJWTCertPassword The password for the OAuth JWT certificate.
OAuthJWTCertSubject The subject of the OAuth JWT certificate.
OAuthJWTIssuer The issuer of the Java Web Token.
OAuthJWTSubject The user subject for which the application is requesting delegated access.

OAuthJWTCert

The JWT Certificate store.

Data Type

string

Default Value

""

Remarks

The name of the certificate store for the client certificate.

The OAuthJWTCertType field specifies the type of the certificate store specified by OAuthJWTCert. If the store is password protected, specify the password in OAuthJWTCertPassword.

OAuthJWTCert is used in conjunction with the OAuthJWTCertSubject

field in order to specify client certificates. If OAuthJWTCert has a value, and OAuthJWTCertSubject is set, a search for a certificate is initiated. Please refer to the OAuthJWTCertSubject field for details.

Designations of certificate stores are platform-dependent.

The following are designations of the most common User and Machine certificate stores in Windows:

Property Description
MY A certificate store holding personal certificates with their associated private keys.
CA Certifying authority certificates.
ROOT Root certificates.
SPC Software publisher certificates.

In Java, the certificate store normally is a file containing certificates and optional private keys.

When the certificate store type is PFXFile, this property must be set to the name of the file. When the type is PFXBlob, the property must be set to the binary contents of a PFX file (i.e. PKCS12 certificate store).

OAuthJWTCertType

The type of key store containing the JWT Certificate.

Data Type

string

Default Value

USER

Remarks

This property can take one of the following values:

Property Description
USER For Windows, this specifies that the certificate store is a certificate store owned by the current user. Note: This store type is not available in Java.
MACHINE For Windows, this specifies that the certificate store is a machine store. Note: this store type is not available in Java.
PFXFILE The certificate store is the name of a PFX (PKCS12) file containing certificates.
PFXBLOB The certificate store is a string (base-64-encoded) representing a certificate store in PFX (PKCS12) format.
JKSFILE The certificate store is the name of a Java key store (JKS) file containing certificates. Note: this store type is only available in Java.
JKSBLOB The certificate store is a string (base-64-encoded) representing a certificate store in Java key store (JKS) format. Note: this store type is only available in Java.
PEMKEY_FILE The certificate store is the name of a PEM-encoded file that contains a private key and an optional certificate.
PEMKEY_BLOB The certificate store is a string (base64-encoded) that contains a private key and an optional certificate.
PUBLIC_KEY_FILE The certificate store is the name of a file that contains a PEM- or DER-encoded public key certificate.
PUBLIC_KEY_BLOB The certificate store is a string (base-64-encoded) that contains a PEM- or DER-encoded public key certificate.
SSHPUBLIC_KEY_FILE The certificate store is the name of a file that contains an SSH-style public key.
SSHPUBLIC_KEY_BLOB The certificate store is a string (base-64-encoded) that contains an SSH-style public key.
P7BFILE The certificate store is the name of a PKCS7 file containing certificates.
PPKFILE The certificate store is the name of a file that contains a PPK (PuTTY Private Key).
XMLFILE The certificate store is the name of a file that contains a certificate in XML format.
XMLBLOB The certificate store is a string that contains a certificate in XML format.
GOOGLEJSON The certificate store is the name of a JSON file containing the service account information. Only valid when connecting to a Google service.
GOOGLEJSONBLOB The certificate store is a string that contains the service account JSON. Only valid when connecting to a Google service.

OAuthJWTCertPassword

The password for the OAuth JWT certificate.

Data Type

string

Default Value

""

Remarks

If the certificate store is of a type that requires a password, this property is used to specify that password in order to open the certificate store.

This is not required when using the GOOGLEJSON OAuthJWTCertType. Google JSON keys are not encrypted.

OAuthJWTCertSubject

The subject of the OAuth JWT certificate.

Data Type

string

Default Value

*

Remarks

When loading a certificate the subject is used to locate the certificate in the store.

If an exact match is not found, the store is searched for subjects containing the value of the property.

If a match is still not found, the property is set to an empty string, and no certificate is selected.

The special value "*" picks the first certificate in the certificate store.

The certificate subject is a comma separated list of distinguished name fields and values. For instance "CN=www.server.com, OU=test, C=US, E=example@jbexample.com". Common fields and their meanings are displayed below.

Field Meaning
CN Common Name. This is commonly a host name like www.server.com.
O Organization
OU Organizational Unit
L Locality
S State
C Country
E Email Address

If a field value contains a comma it must be quoted.

OAuthJWTIssuer

The issuer of the Java Web Token.

Data Type

string

Default Value

""

Remarks

The issuer of the Java Web Token. Enter the value of a delegated user Email Address.

This is not required when using the GOOGLEJSON OAuthJWTCertType. Google JSON keys contain a copy of the issuer account.

The issuer of the Java Web Token. Enter the value of a delegated user Email Address.

This is not required when using the GOOGLEJSON OAuthJWTCertType. Google JSON keys contain a copy of the issuer account.

OAuthJWTSubject

The user subject for which the application is requesting delegated access.

Data Type

string

Default Value

""

Remarks

The user subject for which the application is requesting delegated access. Enter the value of the Service Account Email.

The user subject for which the application is requesting delegated access. Enter the value of the Service Account Email.

SSL

This section provides a complete list of SSL properties you can configure.

Property Description
SSLServerCert The certificate to be accepted from the server when connecting using TLS/SSL.

SSLServerCert

The certificate to be accepted from the server when connecting using TLS/SSL.

Data Type

string

Default Value

""

Remarks

If using a TLS/SSL connection, this property can be used to specify the TLS/SSL certificate to be accepted from the server. Any other certificate that is not trusted by the machine is rejected.

This property can take the following forms:

Description Example
A full PEM Certificate (example shortened for brevity) -----BEGIN CERTIFICATE----- MIIChTCCAe4CAQAwDQYJKoZIhv......Qw== -----END CERTIFICATE-----
A path to a local file containing the certificate C:\\cert.cer
The public key (example shortened for brevity) -----BEGIN RSA PUBLIC KEY----- MIGfMA0GCSq......AQAB -----END RSA PUBLIC KEY-----
The MD5 Thumbprint (hex values can also be either space or colon separated) ecadbdda5a1529c58a1e9e09828d70e4
The SHA1 Thumbprint (hex values can also be either space or colon separated) 34a929226ae0819f2ec14b4a3d904f801cbb150d

If not specified, any certificate trusted by the machine is accepted.

Certificates are validated as trusted by the machine based on the System's trust store. The trust store used is the 'javax.net.ssl.trustStore' value specified for the system. If no value is specified for this property, Java's default trust store is used (for example, JAVA_HOME\lib\security\cacerts).

Use '*' to signify to accept all certificates. Note that this is not recommended due to security concerns.

Schema

This section provides a complete list of schema properties you can configure.

Property Description
Location A path to the directory that contains the schema files defining tables, views, and stored procedures.
BrowsableSchemas This property restricts the schemas reported to a subset of the available schemas. For example, BrowsableSchemas=SchemaA, SchemaB, SchemaC.
Tables This property restricts the tables reported to a subset of the available tables. For example, Tables=TableA, TableB, TableC.
Views Restricts the views reported to a subset of the available tables. For example, Views=ViewA, ViewB, ViewC.

Location

A path to the directory that contains the schema files defining tables, views, and stored procedures.

Data Type

string

Default Value

%APPDATA%\Google Cloud Storage Data Provider\Schema

Remarks

The path to a directory which contains the schema files for the connector (.rsd files for tables and views, .rsb files for stored procedures). The folder location can be a relative path from the location of the executable. The Location property is only needed if you want to customize definitions (for example, change a column name, ignore a column, and so on) or extend the data model with new tables, views, or stored procedures.

If left unspecified, the default location is "%APPDATA%\Google Cloud Storage Data Provider\Schema" with %APPDATA% being set to the user's configuration directory:

Platform %APPDATA%
Windows The value of the APPDATA environment variable
Mac ~/Library/Application Support
Linux ~/.config

BrowsableSchemas

This property restricts the schemas reported to a subset of the available schemas. For example, BrowsableSchemas=SchemaA,SchemaB,SchemaC.

Data Type

string

Default Value

""

Remarks

Listing the schemas from databases can be expensive. Providing a list of schemas in the connection string improves the performance.

Tables

This property restricts the tables reported to a subset of the available tables. For example, Tables=TableA,TableB,TableC.

Data Type

string

Default Value

""

Remarks

Listing the tables from some databases can be expensive. Providing a list of tables in the connection string improves the performance of the connector.

This property can also be used as an alternative to automatically listing views if you already know which ones you want to work with and there would otherwise be too many to work with.

Specify the tables you want in a comma-separated list. Each table should be a valid SQL identifier with any special characters escaped using square brackets, double-quotes or backticks. For example, Tables=TableA,[TableB/WithSlash],WithCatalog.WithSchema.`TableC With Space`.

Note that when connecting to a data source with multiple schemas or catalogs, you will need to provide the fully qualified name of the table in this property, as in the last example here, to avoid ambiguity between tables that exist in multiple catalogs or schemas.

Views

Restricts the views reported to a subset of the available tables. For example, Views=ViewA,ViewB,ViewC.

Data Type

string

Default Value

""

Remarks

Listing the views from some databases can be expensive. Providing a list of views in the connection string improves the performance of the connector.

This property can also be used as an alternative to automatically listing views if you already know which ones you want to work with and there would otherwise be too many to work with.

Specify the views you want in a comma-separated list. Each view should be a valid SQL identifier with any special characters escaped using square brackets, double-quotes or backticks. For example, Views=ViewA,[ViewB/WithSlash],WithCatalog.WithSchema.`ViewC With Space`.

Note that when connecting to a data source with multiple schemas or catalogs, you will need to provide the fully qualified name of the table in this property, as in the last example here, to avoid ambiguity between tables that exist in multiple catalogs or schemas.

Miscellaneous

This section provides a complete list of miscellaneous properties you can configure.

Property Description
MaxRows Limits the number of rows returned when no aggregation or GROUP BY is used in the query. This takes precedence over LIMIT clauses.
Other These hidden properties are used only in specific use cases.
PseudoColumns This property indicates whether or not to include pseudo columns as columns to the table.
SimpleUploadLimit This setting specifies the threshold, in bytes, above which the provider will choose to perform a multipart upload rather than uploading everything in one request.
Timeout The value in seconds until the timeout error is thrown, canceling the operation.
UserDefinedViews A filepath pointing to the JSON configuration file containing your custom views.

MaxRows

Limits the number of rows returned when no aggregation or GROUP BY is used in the query. This takes precedence over LIMIT clauses.

Data Type

int

Default Value

-1

Remarks

Limits the number of rows returned when no aggregation or GROUP BY is used in the query. This takes precedence over LIMIT clauses.

Other

These hidden properties are used only in specific use cases.

Data Type

string

Default Value

""

Remarks

The properties listed below are available for specific use cases. Normal driver use cases and functionality should not require these properties.

Specify multiple properties in a semicolon-separated list.

Integration and Formatting
Property Description
DefaultColumnSize Sets the default length of string fields when the data source does not provide column length in the metadata. The default value is 2000.
ConvertDateTimeToGMT Determines whether to convert date-time values to GMT, instead of the local time of the machine.
RecordToFile=filename Records the underlying socket data transfer to the specified file.

PseudoColumns

This property indicates whether or not to include pseudo columns as columns to the table.

Data Type

string

Default Value

""

Remarks

This setting is particularly helpful in Entity Framework, which does not allow you to set a value for a pseudo column unless it is a table column. The value of this connection setting is of the format "Table1=Column1, Table1=Column2, Table2=Column3". You can use the "*" character to include all tables and all columns; for example, "*=*".

SimpleUploadLimit

This setting specifies the threshold, in bytes, above which the provider will choose to perform a multipart upload rather than uploading everything in one request.

Data Type

string

Default Value

5242880

Remarks

Default value is 5242880 bytes. Minimum value for this property is 262144 bytes.

Timeout

The value in seconds until the timeout error is thrown, canceling the operation.

Data Type

int

Default Value

60

Remarks

If Timeout = 0, operations do not time out. The operations run until they complete successfully or until they encounter an error condition.

If Timeout expires and the operation is not yet complete, the connector throws an exception.

UserDefinedViews

A filepath pointing to the JSON configuration file containing your custom views.

Data Type

string

Default Value

""

Remarks

User Defined Views are defined in a JSON-formatted configuration file called UserDefinedViews.json. The connector automatically detects the views specified in this file.

You can also have multiple view definitions and control them using the UserDefinedViews connection property. When you use this property, only the specified views are seen by the connector.

This User Defined View configuration file is formatted as follows:

  • Each root element defines the name of a view.
  • Each root element contains a child element, called query, which contains the custom SQL query for the view.

For example:

{
    "MyView": {
        "query": "SELECT * FROM Buckets WHERE MyColumn = 'value'"
    },
    "MyView2": {
        "query": "SELECT * FROM MyTable WHERE Id IN (1,2,3)"
    }
}

Use the UserDefinedViews connection property to specify the location of your JSON configuration file. For example:

"UserDefinedViews", C:\Users\yourusername\Desktop\tmp\UserDefinedViews.json

Note that the specified path is not embedded in quotation marks.