codekingpro/portable-devtools

1/*-------------------------------------------------------------------------2 *3 * parse_collate.h4 *	Routines for assigning collation information.5 *6 *7 * Portions Copyright (c) 1996-2023, PostgreSQL Global Development Group8 * Portions Copyright (c) 1994, Regents of the University of California9 *10 * src/include/parser/parse_collate.h11 *12 *-------------------------------------------------------------------------13 */14#ifndef PARSE_COLLATE_H15#define PARSE_COLLATE_H16 17#include "parser/parse_node.h"18 19extern void assign_query_collations(ParseState *pstate, Query *query);20 21extern void assign_list_collations(ParseState *pstate, List *exprs);22 23extern void assign_expr_collations(ParseState *pstate, Node *expr);24 25extern Oid	select_common_collation(ParseState *pstate, List *exprs, bool none_ok);26 27#endif							/* PARSE_COLLATE_H */28