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pquery.h
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1 /*-------------------------------------------------------------------------
2  *
3  * pquery.h
4  * prototypes for pquery.c.
5  *
6  *
7  * Portions Copyright (c) 1996-2021, PostgreSQL Global Development Group
8  * Portions Copyright (c) 1994, Regents of the University of California
9  *
10  * src/include/tcop/pquery.h
11  *
12  *-------------------------------------------------------------------------
13  */
14 #ifndef PQUERY_H
15 #define PQUERY_H
16 
17 #include "nodes/parsenodes.h"
18 #include "utils/portal.h"
19 
20 struct PlannedStmt; /* avoid including plannodes.h here */
21 
22 
24 
25 
27 
28 extern List *FetchPortalTargetList(Portal portal);
29 
30 extern List *FetchStatementTargetList(Node *stmt);
31 
32 extern void PortalStart(Portal portal, ParamListInfo params,
33  int eflags, Snapshot snapshot);
34 
35 extern void PortalSetResultFormat(Portal portal, int nFormats,
36  int16 *formats);
37 
38 extern bool PortalRun(Portal portal, long count, bool isTopLevel,
39  bool run_once, DestReceiver *dest, DestReceiver *altdest,
40  QueryCompletion *qc);
41 
42 extern uint64 PortalRunFetch(Portal portal,
43  FetchDirection fdirection,
44  long count,
46 
47 extern bool PlannedStmtRequiresSnapshot(struct PlannedStmt *pstmt);
48 
49 extern void EnsurePortalSnapshotExists(void);
50 
51 #endif /* PQUERY_H */
signed short int16
Definition: c.h:428
PortalStrategy ChoosePortalStrategy(List *stmts)
Definition: pquery.c:206
FetchDirection
Definition: parsenodes.h:2853
Definition: nodes.h:536
PGDLLIMPORT Portal ActivePortal
Definition: pquery.c:35
void PortalStart(Portal portal, ParamListInfo params, int eflags, Snapshot snapshot)
Definition: pquery.c:430
#define PGDLLIMPORT
Definition: c.h:1317
void EnsurePortalSnapshotExists(void)
Definition: pquery.c:1769
PortalStrategy
Definition: portal.h:89
bool PortalRun(Portal portal, long count, bool isTopLevel, bool run_once, DestReceiver *dest, DestReceiver *altdest, QueryCompletion *qc)
Definition: pquery.c:679
uint64 PortalRunFetch(Portal portal, FetchDirection fdirection, long count, DestReceiver *dest)
Definition: pquery.c:1380
List * FetchStatementTargetList(Node *stmt)
Definition: pquery.c:345
void PortalSetResultFormat(Portal portal, int nFormats, int16 *formats)
Definition: pquery.c:618
List * FetchPortalTargetList(Portal portal)
Definition: pquery.c:323
Definition: pg_list.h:50
bool PlannedStmtRequiresSnapshot(struct PlannedStmt *pstmt)
Definition: pquery.c:1721