B4BY.588
Home
Terminal
Upload
information
Create File
Create Folder
About
Tools
:
/
usr
/
pgsql-9.6
/
include
/
server
/
optimizer
/
Filename :
var.h
back
Copy
/*------------------------------------------------------------------------- * * var.h * prototypes for optimizer/util/var.c. * * * Portions Copyright (c) 1996-2016, PostgreSQL Global Development Group * Portions Copyright (c) 1994, Regents of the University of California * * src/include/optimizer/var.h * *------------------------------------------------------------------------- */ #ifndef VAR_H #define VAR_H #include "nodes/relation.h" /* Bits that can be OR'd into the flags argument of pull_var_clause() */ #define PVC_INCLUDE_AGGREGATES 0x0001 /* include Aggrefs in output list */ #define PVC_RECURSE_AGGREGATES 0x0002 /* recurse into Aggref arguments */ #define PVC_INCLUDE_WINDOWFUNCS 0x0004 /* include WindowFuncs in output list */ #define PVC_RECURSE_WINDOWFUNCS 0x0008 /* recurse into WindowFunc arguments */ #define PVC_INCLUDE_PLACEHOLDERS 0x0010 /* include PlaceHolderVars in * output list */ #define PVC_RECURSE_PLACEHOLDERS 0x0020 /* recurse into PlaceHolderVar * arguments */ extern Relids pull_varnos(Node *node); extern Relids pull_varnos_of_level(Node *node, int levelsup); extern void pull_varattnos(Node *node, Index varno, Bitmapset **varattnos); extern List *pull_vars_of_level(Node *node, int levelsup); extern bool contain_var_clause(Node *node); extern bool contain_vars_of_level(Node *node, int levelsup); extern int locate_var_of_level(Node *node, int levelsup); extern List *pull_var_clause(Node *node, int flags); extern Node *flatten_join_alias_vars(PlannerInfo *root, Node *node); #endif /* VAR_H */