analyze.h

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/*-------------------------------------------------------------------------
 *
 * analyze.h
 *      parse analysis for optimizable statements
 *
 *
 * Portions Copyright (c) 1996-2021, PostgreSQL Global Development Group
 * Portions Copyright (c) 1994, Regents of the University of California
 *
 * src/include/parser/analyze.h
 *
 *-------------------------------------------------------------------------
 */
#ifndef ANALYZE_H
#define ANALYZE_H

#include "parser/parse_node.h"
#include "utils/queryjumble.h"

/* Hook for plugins to get control at end of parse analysis */
typedef void (*post_parse_analyze_hook_type) (ParseState *pstate,
                                              Query *query,
                                              JumbleState *jstate);
extern PGDLLIMPORT post_parse_analyze_hook_type post_parse_analyze_hook;


extern Query *parse_analyze(RawStmt *parseTree, const char *sourceText,
                            Oid *paramTypes, int numParams, QueryEnvironment *queryEnv);
extern Query *parse_analyze_varparams(RawStmt *parseTree, const char *sourceText,
                                      Oid **paramTypes, int *numParams);

extern Query *parse_sub_analyze(Node *parseTree, ParseState *parentParseState,
                                CommonTableExpr *parentCTE,
                                bool locked_from_parent,
                                bool resolve_unknowns);

extern Query *transformTopLevelStmt(ParseState *pstate, RawStmt *parseTree);
extern Query *transformStmt(ParseState *pstate, Node *parseTree);

extern bool analyze_requires_snapshot(RawStmt *parseTree);

extern const char *LCS_asString(LockClauseStrength strength);
extern void CheckSelectLocking(Query *qry, LockClauseStrength strength);
extern void applyLockingClause(Query *qry, Index rtindex,
                               LockClauseStrength strength,
                               LockWaitPolicy waitPolicy, bool pushedDown);

extern List *BuildOnConflictExcludedTargetlist(Relation targetrel,
                                               Index exclRelIndex);

extern SortGroupClause *makeSortGroupClauseForSetOp(Oid rescoltype, bool require_hash);

#endif                          /* ANALYZE_H */