greenplumn parse_target 源码
greenplumn parse_target 代码
文件路径：/src/include/parser/parse_target.h
/*-------------------------------------------------------------------------
*
* parse_target.h
* handle target lists
*
*
* Portions Copyright (c) 1996-2019, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* src/include/parser/parse_target.h
*
*-------------------------------------------------------------------------
*/
#ifndef PARSE_TARGET_H
#define PARSE_TARGET_H
#include "parser/parse_node.h"
extern List *transformTargetList(ParseState *pstate, List *targetlist,
ParseExprKind exprKind);
extern List *transformExpressionList(ParseState *pstate, List *exprlist,
ParseExprKind exprKind, bool allowDefault);
extern void resolveTargetListUnknowns(ParseState *pstate, List *targetlist);
extern void markTargetListOrigins(ParseState *pstate, List *targetlist);
extern TargetEntry *transformTargetEntry(ParseState *pstate,
Node *node, Node *expr, ParseExprKind exprKind,
char *colname, bool resjunk);
extern Expr *transformAssignedExpr(ParseState *pstate, Expr *expr,
ParseExprKind exprKind,
const char *colname,
int attrno,
List *indirection,
int location);
extern void updateTargetListEntry(ParseState *pstate, TargetEntry *tle,
char *colname, int attrno,
List *indirection,
int location);
extern List *checkInsertTargets(ParseState *pstate, List *cols,
List **attrnos);
extern TupleDesc expandRecordVariable(ParseState *pstate, Var *var,
int levelsup);
extern char *FigureColname(Node *node);
extern char *FigureIndexColname(Node *node);
#endif /* PARSE_TARGET_H */
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