Specifies when the provider should retrieve column metadata.

Possible Values

データ型

string

デフォルト値

"OnUse"

解説

This property applies only to the REST schema.

Available settings:

• OnStart: The connector retrieves and caches metadata for all columns in every table before executing the first statement.
• OnUse: The connector retrieves table-specific metadata the first time the table is referenced, if the metadata is not already cached.