GCS Connection

InlineGcsConnection

info

InlineGcsConnection is defined beneath the following ancestor nodes in the YAML structure:

• Connection
• DuckDBConnection
• DuckDBConnectionOptions
• DuckLakeOptions

Below are the properties for the InlineGcsConnection. Each property links to the specific details section further down in this page.

Property	Default	Type	Required	Description
gcs			Yes	The GCS connection options.

Property Details

Connection

A connection to a data source/sink.

Property	Default	Type	Required	Description
connection		One of:   S3Connection   GcsConnection   AbfsConnection   LocalFileConnection   SnowflakeConnection   BigQueryConnection   MSSQLConnection   MySQLConnection   OracleConnection   PostgresConnection   HttpConnection   DuckDBConnection   SFTPConnection   DatabricksConnection	Yes	The connection to the data system.

DuckDBConnection

Connection to a DuckDB database.

Property	Default	Type	Required	Description
description		string	No	A brief description of what the model does.
metadata			No	Meta information of a resource. In most cases it doesn't affect the system behavior but may be helpful to analyze project resources.
name		string	Yes	The name of the model
duckdb			Yes	The DuckDB connection options.

DuckDBConnectionOptions

DuckDB connection options.

Property	Default	Type	Required	Description
max_query_length		integer	No	The maximum query length to allow.
max_concurrent_queries		integer	No	The maximum number of concurrent queries to allow.
max_combined_sql_statements		integer	No	The maximum number of combined SQL statements to allow.
path		string	No	The path to the DuckDB database file. Use ':memory:' for in-memory databases. This setting is ignored when ducklake configuration is present.
memory_limit		integer	No	The memory limit to use for the DuckDB connection.
ducklake			No	Configuration for using DuckLake with this DuckDB connection.
schema		string	No	The schema to use for the DuckDB connection. If left empty, the flow name will be used as the schema name at runtime
init_sql		string	No	SQL to run when the DuckLake connection is initialized.

DuckLakeOptions

DuckLake configuration options.

Property	Default	Type	Required	Description
metadata_connection_name		string	No	The name of the Ascend Connection to use for DuckLake metadata storage (Postgres connections only).
data_connection_name		string	No	The name of the Ascend Connection to use for DuckLake data storage (Local Files, GCS, S3, or ABFS connections supported).
metadata_connection		Any of:   InlinePostgresConnection   ASCEND_MANAGED	No	Inline metadata connection configuration (Postgres connections only).
data_connection		Any of:   One of:     InlineLocalFileConnection     InlineS3Connection     InlineGcsConnection     InlineAbfsConnection   ASCEND_MANAGED	No	Inline data connection configuration (Local Files, GCS, S3, or ABFS connections supported).
metadata_schema	default	string	No	The schema name within the Postgres database to use for DuckLake metadata storage. If left as the default value of 'default', the schema name will be replaced with the profile name at runtime.
data_path	ascendlake/data	string	No	Path within the data connection root where DuckLake data files will be stored.

GcsConnectionOptions

Google Cloud Storage connection options.

Property	Default	Type	Required	Description
root		string	Yes	the GCS URL for the root prefix.
key		string	No	The GCP service account credentials to use for the GCS connection.