diff options
Diffstat (limited to 'src/include/nodes/plannodes.h')
| -rw-r--r-- | src/include/nodes/plannodes.h | 38 |
1 files changed, 18 insertions, 20 deletions
diff --git a/src/include/nodes/plannodes.h b/src/include/nodes/plannodes.h index 44f14140f41..26b0fc33356 100644 --- a/src/include/nodes/plannodes.h +++ b/src/include/nodes/plannodes.h @@ -7,7 +7,7 @@ * Portions Copyright (c) 1996-2009, PostgreSQL Global Development Group * Portions Copyright (c) 1994, Regents of the University of California * - * $PostgreSQL: pgsql/src/include/nodes/plannodes.h,v 1.110 2009/06/11 14:49:11 momjian Exp $ + * $PostgreSQL: pgsql/src/include/nodes/plannodes.h,v 1.111 2009/10/10 01:43:50 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -38,6 +38,8 @@ typedef struct PlannedStmt CmdType commandType; /* select|insert|update|delete */ + bool hasReturning; /* is it insert|update|delete RETURNING? */ + bool canSetTag; /* do I set the command result tag? */ bool transientPlan; /* redo plan when TransactionXmin changes? */ @@ -57,18 +59,6 @@ typedef struct PlannedStmt Bitmapset *rewindPlanIDs; /* indices of subplans that require REWIND */ - /* - * If the query has a returningList then the planner will store a list of - * processed targetlists (one per result relation) here. We must have a - * separate RETURNING targetlist for each result rel because column - * numbers may vary within an inheritance tree. In the targetlists, Vars - * referencing the result relation will have their original varno and - * varattno, while Vars referencing other rels will be converted to have - * varno OUTER and varattno referencing a resjunk entry in the top plan - * node's targetlist. - */ - List *returningLists; /* list of lists of TargetEntry, or NIL */ - List *rowMarks; /* a list of RowMarkClause's */ List *relationOids; /* OIDs of relations the plan depends on */ @@ -165,21 +155,29 @@ typedef struct Result } Result; /* ---------------- + * ModifyTable node - + * Apply rows produced by subplan(s) to result table(s), + * by inserting, updating, or deleting. + * ---------------- + */ +typedef struct ModifyTable +{ + Plan plan; + CmdType operation; /* INSERT, UPDATE, or DELETE */ + List *resultRelations; /* integer list of RT indexes */ + List *plans; /* plan(s) producing source data */ + List *returningLists; /* per-target-table RETURNING tlists */ +} ModifyTable; + +/* ---------------- * Append node - * Generate the concatenation of the results of sub-plans. - * - * Append nodes are sometimes used to switch between several result relations - * (when the target of an UPDATE or DELETE is an inheritance set). Such a - * node will have isTarget true. The Append executor is then responsible - * for updating the executor state to point at the correct target relation - * whenever it switches subplans. * ---------------- */ typedef struct Append { Plan plan; List *appendplans; - bool isTarget; } Append; /* ---------------- |