[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-28 UTC."],[],[],null,["# Module engine (0.14.1)\n\nVersion latestkeyboard_arrow_down\n\n- [0.14.1 (latest)](/python/docs/reference/langchain-google-cloud-sql-pg/latest/langchain_google_cloud_sql_pg.engine)\n- [0.14.0](/python/docs/reference/langchain-google-cloud-sql-pg/0.14.0/langchain_google_cloud_sql_pg.engine)\n- [0.13.0](/python/docs/reference/langchain-google-cloud-sql-pg/0.13.0/langchain_google_cloud_sql_pg.engine)\n- [0.12.1](/python/docs/reference/langchain-google-cloud-sql-pg/0.12.1/langchain_google_cloud_sql_pg.engine)\n- [0.11.1](/python/docs/reference/langchain-google-cloud-sql-pg/0.11.1/langchain_google_cloud_sql_pg.engine)\n- [0.10.0](/python/docs/reference/langchain-google-cloud-sql-pg/0.10.0/langchain_google_cloud_sql_pg.engine)\n- [0.9.0](/python/docs/reference/langchain-google-cloud-sql-pg/0.9.0/langchain_google_cloud_sql_pg.engine)\n- [0.8.0](/python/docs/reference/langchain-google-cloud-sql-pg/0.8.0/langchain_google_cloud_sql_pg.engine)\n- [0.7.0](/python/docs/reference/langchain-google-cloud-sql-pg/0.7.0/langchain_google_cloud_sql_pg.engine)\n- [0.6.1](/python/docs/reference/langchain-google-cloud-sql-pg/0.6.1/langchain_google_cloud_sql_pg.engine)\n- [0.5.0](/python/docs/reference/langchain-google-cloud-sql-pg/0.5.0/langchain_google_cloud_sql_pg.engine)\n- [0.4.1](/python/docs/reference/langchain-google-cloud-sql-pg/0.4.1/langchain_google_cloud_sql_pg.engine) \nAPI documentation for `engine` module.\n\nClasses\n-------\n\n### [Column](/python/docs/reference/langchain-google-cloud-sql-pg/latest/langchain_google_cloud_sql_pg.engine.Column)\n\n Column(name: \"str\", data_type: \"str\", nullable: \"bool\" = True)\n\nColumn(name: 'str', data_type: 'str', nullable: 'bool' = True)\n\n### [PostgresEngine](/python/docs/reference/langchain-google-cloud-sql-pg/latest/langchain_google_cloud_sql_pg.engine.PostgresEngine)\n\n PostgresEngine(\n key: object,\n pool: sqlalchemy.ext.asyncio.engine.AsyncEngine,\n loop: typing.Optional[asyncio.events.AbstractEventLoop],\n thread: typing.Optional[threading.Thread],\n )\n\nA class for managing connections to a Cloud SQL for Postgres database.\n\nModules\nFunctions\n-----------------\n\n### _get_iam_principal_email\n\n _get_iam_principal_email(credentials: google.auth.credentials.Credentials) -\u003e str\n\nGet email address associated with current authenticated IAM principal.\n\nEmail will be used for automatic IAM database authentication to Cloud SQL."]]