analyze.h

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/*-------------------------------------------------------------------------
 *
 * analyze.h
 *      parse analysis for optimizable statements
 *
 *
 * Portions Copyright (c) 1996-2023, 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 "nodes/params.h"
#include "nodes/queryjumble.h"
#include "parser/parse_node.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_fixedparams(RawStmt *parseTree, const char *sourceText,
                                        const Oid *paramTypes, int numParams, QueryEnvironment *queryEnv);
extern Query *parse_analyze_varparams(RawStmt *parseTree, const char *sourceText,
                                      Oid **paramTypes, int *numParams, QueryEnvironment *queryEnv);
extern Query *parse_analyze_withcb(RawStmt *parseTree, const char *sourceText,
                                   ParserSetupHook parserSetup,
                                   void *parserSetupArg,
                                   QueryEnvironment *queryEnv);
 
extern Query *parse_sub_analyze(Node *parseTree, ParseState *parentParseState,
                                CommonTableExpr *parentCTE,
                                bool locked_from_parent,
                                bool resolve_unknowns);
 
extern List *transformInsertRow(ParseState *pstate, List *exprlist,
                                List *stmtcols, List *icolumns, List *attrnos,
                                bool strip_indirection);
extern List *transformUpdateTargetList(ParseState *pstate,
                                       List *origTlist);
extern Query *transformTopLevelStmt(ParseState *pstate, RawStmt *parseTree);
extern Query *transformStmt(ParseState *pstate, Node *parseTree);
 
extern bool stmt_requires_parse_analysis(RawStmt *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 */