export_expression

Description:

[ Version ( since = "4.2" ) ]
public SqlExpr export_expression (SqlBuilderId id)

Exports a part managed by this as a new SqlExpr, which can represent any expression in a statement.

Parameters:

this	a SqlBuilder object
id	the ID of the expression to be exported, (must be a valid ID in this, not 0)

Returns:

a pointer to a new SqlExpr structure, free using free when not needed anymore. If the part with id as ID cannot be found, the returned value is null.