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Add support for multi-row VALUES clauses as part of INSERT statements

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(e.g. "INSERT ... VALUES (...), (...), ...") and elsewhere as allowed
by the spec. (e.g. similar to a FROM clause subselect). initdb required.
Joe Conway and Tom Lane.
This commit is contained in:
Joe Conway
2006-08-02 01:59:48 +00:00
parent d307c428cb
commit 9caafda579
40 changed files with 1877 additions and 313 deletions
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22
src/backend/executor/execAmi.c
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@@ -6,7 +6,7 @@
* Portions Copyright (c) 1996-2006, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/backend/executor/execAmi.c,v 1.88 2006/07/14 14:52:18 momjian Exp $
* $PostgreSQL: pgsql/src/backend/executor/execAmi.c,v 1.89 2006/08/02 01:59:45 joe Exp $
*
*-------------------------------------------------------------------------
*/
@@ -38,6 +38,7 @@
#include "executor/nodeSubqueryscan.h"
#include "executor/nodeTidscan.h"
#include "executor/nodeUnique.h"
#include "executor/nodeValuesscan.h"
/*
@@ -144,6 +145,10 @@ ExecReScan(PlanState *node, ExprContext *exprCtxt)
ExecFunctionReScan((FunctionScanState *) node, exprCtxt);
break;
case T_ValuesScanState:
ExecValuesReScan((ValuesScanState *) node, exprCtxt);
break;
case T_NestLoopState:
ExecReScanNestLoop((NestLoopState *) node, exprCtxt);
break;
@@ -226,6 +231,10 @@ ExecMarkPos(PlanState *node)
ExecFunctionMarkPos((FunctionScanState *) node);
break;
case T_ValuesScanState:
ExecValuesMarkPos((ValuesScanState *) node);
break;
case T_MaterialState:
ExecMaterialMarkPos((MaterialState *) node);
break;
@@ -275,6 +284,10 @@ ExecRestrPos(PlanState *node)
ExecFunctionRestrPos((FunctionScanState *) node);
break;
case T_ValuesScanState:
ExecValuesRestrPos((ValuesScanState *) node);
break;
case T_MaterialState:
ExecMaterialRestrPos((MaterialState *) node);
break;
@@ -298,8 +311,8 @@ ExecRestrPos(PlanState *node)
*
* (However, since the only present use of mark/restore is in mergejoin,
* there is no need to support mark/restore in any plan type that is not
* capable of generating ordered output. So the seqscan, tidscan, and
* functionscan support is actually useless code at present.)
* capable of generating ordered output. So the seqscan, tidscan,
* functionscan, and valuesscan support is actually useless code at present.)
*/
bool
ExecSupportsMarkRestore(NodeTag plantype)
@@ -310,6 +323,7 @@ ExecSupportsMarkRestore(NodeTag plantype)
case T_IndexScan:
case T_TidScan:
case T_FunctionScan:
case T_ValuesScan:
case T_Material:
case T_Sort:
return true;
@@ -359,6 +373,7 @@ ExecSupportsBackwardScan(Plan *node)
case T_IndexScan:
case T_TidScan:
case T_FunctionScan:
case T_ValuesScan:
return true;
case T_SubqueryScan:
@@ -413,6 +428,7 @@ ExecMayReturnRawTuples(PlanState *node)
case T_TidScanState:
case T_SubqueryScanState:
case T_FunctionScanState:
case T_ValuesScanState:
if (node->ps_ProjInfo == NULL)
return true;
break;