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Spanner (PostgreSQL dialect) docs Details of the Spanner (PostgreSQL dialect) prebuilt configuration.

Spanner (PostgreSQL dialect)

  • --prebuilt value: spanner-postgres
  • Environment Variables:
    • SPANNER_PROJECT: The GCP project ID.
    • SPANNER_INSTANCE: The Spanner instance ID.
    • SPANNER_DATABASE: The Spanner database ID.
  • Permissions:
    • Cloud Spanner Database Reader (roles/spanner.databaseReader) to execute DQL queries and list tables.
    • Cloud Spanner Database User (roles/spanner.databaseUser) to execute DML queries.
  • Tools:
    • execute_sql: Executes a DML SQL query using the PostgreSQL interface for Spanner.
    • execute_sql_dql: Executes a DQL SQL query using the PostgreSQL interface for Spanner.
    • list_tables: Lists tables in the database.
    • search_catalog: Searches for data assets in Knowledge Catalog (Dataplex).