Function relabel_to_typmod

src/backend/nodes/nodeFuncs.c:655–660

* relabel_to_typmod * Add a RelabelType node that changes just the typmod of the expression. * * Convenience function for a common usage of applyRelabelType. */

 * Convenience function for a common usage of applyRelabelType.
 */
Node *
relabel_to_typmod(Node *expr, int32 typmod)
{
	return applyRelabelType(expr, exprType(expr), typmod, exprCollation(expr),
							COERCE_EXPLICIT_CAST, -1, false);
}

/*
 * strip_implicit_coercions: remove implicit coercions at top level of tree