The Salesforce driver supports returning parameter metadata for the following forms of Insert and Update statements:
■ The Salesforce driver supports returning parameter metadata for Select statements that contain parameters in ANSI SQL 92 entry-level predicates, for example, such as COMPARISON, BETWEEN, IN, LIKE, and EXISTS predicate constructs. Refer to the ANSI SQL reference for detailed syntax.Parameter metadata can be returned for a Select statement if one of the following conditions is true:
■ The statement contains a predicate value expression that can be targeted against the source tables in the associated FROM clause. For example:In this case, the value expression "bar" can be targeted against the table "foo" to determine the appropriate metadata for the parameter.
■ The statement contains a predicate value expression part that is a nested query. The nested query's metadata must describe a single column. For example:ANSI SQL 92 entry-level predicates in a WHERE clause containing GROUP BY, HAVING, or ORDER BY statements are supported. For example: