*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/optimizer/util/clauses.c,v 1.80 2001/02/12 18:30:52 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/optimizer/util/clauses.c,v 1.81 2001/02/12 18:46:40 momjian Exp $
*
* HISTORY
* AUTHOR DATE MAJOR EVENT
* {
* if (node == NULL)
* return false;
- * # check for nodes that special work is required for, eg:
+ * // check for nodes that special work is required for, eg:
* if (IsA(node, Var))
* {
* ... do special actions for Var nodes
* {
* ... do special actions for other node types
* }
- * # for any node type not specially processed, do:
+ * // for any node type not specially processed, do:
* return expression_tree_walker(node, my_walker, (void *) context);
* }
*
* {
* adjust context for subquery;
* result = query_tree_walker((Query *) node, my_walker, context,
- * true); # to visit subquery RTEs too
+ * true); // to visit subquery RTEs too
* restore context if needed;
* return result;
* }
* {
* if (node == NULL)
* return NULL;
- * # check for nodes that special work is required for, eg:
+ * // check for nodes that special work is required for, eg:
* if (IsA(node, Var))
* {
* ... create and return modified copy of Var node
* {
* ... do special transformations of other node types
* }
- * # for any node type not specially processed, do:
+ * // for any node type not specially processed, do:
* return expression_tree_mutator(node, my_mutator, (void *) context);
* }
*