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Description
Starts a query job in Google BigQuery and writes the query results to a destination table.Syntax
ExecuteBQInsert(connection_id, sql_query, configuration_json)
Arguments
connection_id (string) - The unique identifier of the connection to use to execute the query. You can find it in the connection’s page. sql_query - String expression that evaluates to a query that returns a scalar value. configuration_json - optional string:- destinationTable.tableId - string expression. Specifies the name of the destination table.
- destinationTable.datasetId - optional string expression. Specifies the destination table’s dataset. Defaults to connection’s default dataset.
- destinationTable.projectId - optional string expression. Specifies the destination table’s project. Defaults to connection’s default project.
- useQueryCache (optional) - boolean expression. Specifies whether to look for the result in the query cache (default value is true).
- useLegacySql (optional) - boolean expression. Specifies whether to use BigQuery’s legacy SQL dialect for the query (default value is false).
- jobReference.jobId (optional) - string expression. Specifies a job id that can be queried afterwards.
- jobReference.projectId (optional) - string expression. Specifies a project to add the job to. If jobId is specified and projectId is empty, the connection’s projectId is used.
- writeDisposition (optional) - string expression. The following values are supported:
- WRITE_TRUNCATE: If the table already exists, BigQuery overwrites the table data.
- WRITE_APPEND: If the table already exists, BigQuery appends the data to the table.
- WRITE_EMPTY: If the table already exists and contains data, a ‘duplicate’ error is returned in the job result.
- createDisposition (optional) - string expression. The following values are supported:
- CREATE_IF_NEEDED: If the table does not exist, BigQuery creates the table.
- CREATE_NEVER: The table must already exist. If it does not, a ‘notFound’ error is returned in the job result.
- maximumBillingTier (optional) - Limits the billing tier for this job. Queries that have resource usage beyond this tier will fail. If not specified, defaults to your project default.
Examples
ExecuteBQInsert('bq_58', 'SELECT * FROM events_old WHERE ts < \'2017-01-01\';','{"destinationTable" : {"tableId" : "events_stg"}}')
Notes
This function only executes in job runtime. When validating a package with variables that use the function or in X-console, the function returns null.Return value datatype
The function returns a map with the following keys:- status - true if the stsatement executed successfully.
- exception - returned exception string if status is false (statement failed)