diff options
Diffstat (limited to 'src/include/executor/execdesc.h')
| -rw-r--r-- | src/include/executor/execdesc.h | 21 |
1 files changed, 15 insertions, 6 deletions
diff --git a/src/include/executor/execdesc.h b/src/include/executor/execdesc.h index cf991125d4b..d5ae745a296 100644 --- a/src/include/executor/execdesc.h +++ b/src/include/executor/execdesc.h @@ -8,7 +8,7 @@ * Portions Copyright (c) 1996-2007, PostgreSQL Global Development Group * Portions Copyright (c) 1994, Regents of the University of California * - * $PostgreSQL: pgsql/src/include/executor/execdesc.h,v 1.33 2007/01/05 22:19:54 momjian Exp $ + * $PostgreSQL: pgsql/src/include/executor/execdesc.h,v 1.34 2007/02/20 17:32:17 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -16,7 +16,7 @@ #define EXECDESC_H #include "nodes/execnodes.h" -#include "nodes/parsenodes.h" +#include "nodes/plannodes.h" #include "tcop/dest.h" @@ -24,15 +24,19 @@ * query descriptor: * * a QueryDesc encapsulates everything that the executor - * needs to execute the query + * needs to execute the query. + * + * For the convenience of SQL-language functions, we also support QueryDescs + * containing utility statements; these must not be passed to the executor + * however. * --------------------- */ typedef struct QueryDesc { /* These fields are provided by CreateQueryDesc */ CmdType operation; /* CMD_SELECT, CMD_UPDATE, etc. */ - Query *parsetree; /* rewritten parsetree */ - Plan *plantree; /* planner's output */ + PlannedStmt *plannedstmt; /* planner's output, or null if utility */ + Node *utilitystmt; /* utility statement, or null */ Snapshot snapshot; /* snapshot to use for query */ Snapshot crosscheck_snapshot; /* crosscheck for RI update/delete */ DestReceiver *dest; /* the destination for tuple output */ @@ -46,13 +50,18 @@ typedef struct QueryDesc } QueryDesc; /* in pquery.c */ -extern QueryDesc *CreateQueryDesc(Query *parsetree, Plan *plantree, +extern QueryDesc *CreateQueryDesc(PlannedStmt *plannedstmt, Snapshot snapshot, Snapshot crosscheck_snapshot, DestReceiver *dest, ParamListInfo params, bool doInstrument); +extern QueryDesc *CreateUtilityQueryDesc(Node *utilitystmt, + Snapshot snapshot, + DestReceiver *dest, + ParamListInfo params); + extern void FreeQueryDesc(QueryDesc *qdesc); #endif /* EXECDESC_H */ |