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Diffstat (limited to 'src/backend/executor/execAmi.c')
| -rw-r--r-- | src/backend/executor/execAmi.c | 258 |
1 files changed, 0 insertions, 258 deletions
diff --git a/src/backend/executor/execAmi.c b/src/backend/executor/execAmi.c deleted file mode 100644 index 7ceb7cd2c6f..00000000000 --- a/src/backend/executor/execAmi.c +++ /dev/null @@ -1,258 +0,0 @@ -/*------------------------------------------------------------------------- - * - * execAmi.c - * miscellaneous executor access method routines - * - * Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group - * Portions Copyright (c) 1994, Regents of the University of California - * - * $Id: execAmi.c,v 1.64 2002/06/20 20:29:27 momjian Exp $ - * - *------------------------------------------------------------------------- - */ -#include "postgres.h" - -#include "access/genam.h" -#include "access/heapam.h" -#include "catalog/heap.h" -#include "executor/execdebug.h" -#include "executor/instrument.h" -#include "executor/nodeAgg.h" -#include "executor/nodeAppend.h" -#include "executor/nodeGroup.h" -#include "executor/nodeGroup.h" -#include "executor/nodeHash.h" -#include "executor/nodeHashjoin.h" -#include "executor/nodeIndexscan.h" -#include "executor/nodeTidscan.h" -#include "executor/nodeLimit.h" -#include "executor/nodeMaterial.h" -#include "executor/nodeMergejoin.h" -#include "executor/nodeNestloop.h" -#include "executor/nodeResult.h" -#include "executor/nodeSeqscan.h" -#include "executor/nodeSetOp.h" -#include "executor/nodeSort.h" -#include "executor/nodeSubplan.h" -#include "executor/nodeSubqueryscan.h" -#include "executor/nodeFunctionscan.h" -#include "executor/nodeUnique.h" - - -/* ---------------------------------------------------------------- - * ExecReScan - * - * XXX this should be extended to cope with all the node types.. - * - * takes the new expression context as an argument, so that - * index scans needn't have their scan keys updated separately - * - marcel 09/20/94 - * ---------------------------------------------------------------- - */ -void -ExecReScan(Plan *node, ExprContext *exprCtxt, Plan *parent) -{ - if (node->instrument) - InstrEndLoop(node->instrument); - - if (node->chgParam != NULL) /* Wow! */ - { - List *lst; - - foreach(lst, node->initPlan) - { - Plan *splan = ((SubPlan *) lfirst(lst))->plan; - - if (splan->extParam != NULL) /* don't care about child - * locParam */ - SetChangedParamList(splan, node->chgParam); - if (splan->chgParam != NULL) - ExecReScanSetParamPlan((SubPlan *) lfirst(lst), node); - } - foreach(lst, node->subPlan) - { - Plan *splan = ((SubPlan *) lfirst(lst))->plan; - - if (splan->extParam != NULL) - SetChangedParamList(splan, node->chgParam); - } - /* Well. Now set chgParam for left/right trees. */ - if (node->lefttree != NULL) - SetChangedParamList(node->lefttree, node->chgParam); - if (node->righttree != NULL) - SetChangedParamList(node->righttree, node->chgParam); - } - - switch (nodeTag(node)) - { - case T_SeqScan: - ExecSeqReScan((SeqScan *) node, exprCtxt, parent); - break; - - case T_IndexScan: - ExecIndexReScan((IndexScan *) node, exprCtxt, parent); - break; - - case T_TidScan: - ExecTidReScan((TidScan *) node, exprCtxt, parent); - break; - - case T_SubqueryScan: - ExecSubqueryReScan((SubqueryScan *) node, exprCtxt, parent); - break; - - case T_FunctionScan: - ExecFunctionReScan((FunctionScan *) node, exprCtxt, parent); - break; - - case T_Material: - ExecMaterialReScan((Material *) node, exprCtxt, parent); - break; - - case T_NestLoop: - ExecReScanNestLoop((NestLoop *) node, exprCtxt, parent); - break; - - case T_HashJoin: - ExecReScanHashJoin((HashJoin *) node, exprCtxt, parent); - break; - - case T_Hash: - ExecReScanHash((Hash *) node, exprCtxt, parent); - break; - - case T_Agg: - ExecReScanAgg((Agg *) node, exprCtxt, parent); - break; - - case T_Group: - ExecReScanGroup((Group *) node, exprCtxt, parent); - break; - - case T_Result: - ExecReScanResult((Result *) node, exprCtxt, parent); - break; - - case T_Unique: - ExecReScanUnique((Unique *) node, exprCtxt, parent); - break; - - case T_SetOp: - ExecReScanSetOp((SetOp *) node, exprCtxt, parent); - break; - - case T_Limit: - ExecReScanLimit((Limit *) node, exprCtxt, parent); - break; - - case T_Sort: - ExecReScanSort((Sort *) node, exprCtxt, parent); - break; - - case T_MergeJoin: - ExecReScanMergeJoin((MergeJoin *) node, exprCtxt, parent); - break; - - case T_Append: - ExecReScanAppend((Append *) node, exprCtxt, parent); - break; - - default: - elog(ERROR, "ExecReScan: node type %d not supported", - nodeTag(node)); - return; - } - - if (node->chgParam != NULL) - { - freeList(node->chgParam); - node->chgParam = NULL; - } -} - -/* ---------------------------------------------------------------- - * ExecMarkPos - * - * Marks the current scan position. - * - * XXX Needs to be extended to include all the node types, - * or at least all the ones that can be directly below a mergejoin. - * ---------------------------------------------------------------- - */ -void -ExecMarkPos(Plan *node) -{ - switch (nodeTag(node)) - { - case T_SeqScan: - ExecSeqMarkPos((SeqScan *) node); - break; - - case T_IndexScan: - ExecIndexMarkPos((IndexScan *) node); - break; - - case T_FunctionScan: - ExecFunctionMarkPos((FunctionScan *) node); - break; - - case T_Material: - ExecMaterialMarkPos((Material *) node); - break; - - case T_Sort: - ExecSortMarkPos((Sort *) node); - break; - - case T_TidScan: - ExecTidMarkPos((TidScan *) node); - break; - - default: - /* don't make hard error unless caller asks to restore... */ - elog(LOG, "ExecMarkPos: node type %d not supported", - nodeTag(node)); - break; - } -} - -/* ---------------------------------------------------------------- - * ExecRestrPos - * - * restores the scan position previously saved with ExecMarkPos() - * - * XXX Needs to be extended to include all the node types, - * or at least all the ones that can be directly below a mergejoin. - * ---------------------------------------------------------------- - */ -void -ExecRestrPos(Plan *node) -{ - switch (nodeTag(node)) - { - case T_SeqScan: - ExecSeqRestrPos((SeqScan *) node); - break; - - case T_IndexScan: - ExecIndexRestrPos((IndexScan *) node); - break; - - case T_FunctionScan: - ExecFunctionRestrPos((FunctionScan *) node); - break; - - case T_Material: - ExecMaterialRestrPos((Material *) node); - break; - - case T_Sort: - ExecSortRestrPos((Sort *) node); - break; - - default: - elog(ERROR, "ExecRestrPos: node type %d not supported", - nodeTag(node)); - break; - } -} |