greenplumn parse_expr 代码
文件路径：/src/include/parser/parse_expr.h
/*-------------------------------------------------------------------------
*
* parse_expr.h
* handle expressions in parser
*
* Portions Copyright (c) 1996-2019, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* src/include/parser/parse_expr.h
*
*-------------------------------------------------------------------------
*/
#ifndef PARSE_EXPR_H
#define PARSE_EXPR_H
#include "parser/parse_node.h"
/* GUC parameters */
extern bool operator_precedence_warning;
extern bool Transform_null_equals;
extern Node *transformExpr(ParseState *pstate, Node *expr, ParseExprKind exprKind);
extern const char *ParseExprKindName(ParseExprKind exprKind);
#endif /* PARSE_EXPR_H */