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postgres/src/include/executor/nodeSubplan.h

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Subselects...
28 years ago
/*-------------------------------------------------------------------------
*
Change my-function-name-- to my_function_name, and optimizer renames.
27 years ago
* nodeSubplan.h
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28 years ago
*
Phase 1 of read-only-plans project: cause executor state nodes to point to plan nodes, not vice-versa. All executor state nodes now inherit from struct PlanState. Copying of plan trees has been simplified by not storing a list of SubPlans in Plan nodes (eliminating duplicate links). The executor still needs such a list, but it can build it during ExecutorStart since it has to scan the plan tree anyway. No initdb forced since no stored-on-disk structures changed, but you will need a full recompile because of node-numbering changes.
23 years ago
*
*
Update copyrights to 2003.
23 years ago
* Portions Copyright (c) 1996-2003, PostgreSQL Global Development Group
Phase 1 of read-only-plans project: cause executor state nodes to point to plan nodes, not vice-versa. All executor state nodes now inherit from struct PlanState. Copying of plan trees has been simplified by not storing a list of SubPlans in Plan nodes (eliminating duplicate links). The executor still needs such a list, but it can build it during ExecutorStart since it has to scan the plan tree anyway. No initdb forced since no stored-on-disk structures changed, but you will need a full recompile because of node-numbering changes.
23 years ago
* Portions Copyright (c) 1994, Regents of the University of California
*
Update copyrights to 2003.
23 years ago
* $Id: nodeSubplan.h,v 1.17 2003/08/04 02:40:13 momjian Exp $
Phase 1 of read-only-plans project: cause executor state nodes to point to plan nodes, not vice-versa. All executor state nodes now inherit from struct PlanState. Copying of plan trees has been simplified by not storing a list of SubPlans in Plan nodes (eliminating duplicate links). The executor still needs such a list, but it can build it during ExecutorStart since it has to scan the plan tree anyway. No initdb forced since no stored-on-disk structures changed, but you will need a full recompile because of node-numbering changes.
23 years ago
*
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28 years ago
*-------------------------------------------------------------------------
*/
#ifndef NODESUBPLAN_H
#define NODESUBPLAN_H
Phase 1 of read-only-plans project: cause executor state nodes to point to plan nodes, not vice-versa. All executor state nodes now inherit from struct PlanState. Copying of plan trees has been simplified by not storing a list of SubPlans in Plan nodes (eliminating duplicate links). The executor still needs such a list, but it can build it during ExecutorStart since it has to scan the plan tree anyway. No initdb forced since no stored-on-disk structures changed, but you will need a full recompile because of node-numbering changes.
23 years ago
#include "nodes/execnodes.h"
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28 years ago
pgindent run.
23 years ago
extern void ExecInitSubPlan(SubPlanState * node, EState *estate);
extern Datum ExecSubPlan(SubPlanState * node,
ExprContext *econtext,
bool *isNull);
extern void ExecEndSubPlan(SubPlanState * node);
extern void ExecReScanSetParamPlan(SubPlanState * node, PlanState * parent);
Phase 1 of read-only-plans project: cause executor state nodes to point to plan nodes, not vice-versa. All executor state nodes now inherit from struct PlanState. Copying of plan trees has been simplified by not storing a list of SubPlans in Plan nodes (eliminating duplicate links). The executor still needs such a list, but it can build it during ExecutorStart since it has to scan the plan tree anyway. No initdb forced since no stored-on-disk structures changed, but you will need a full recompile because of node-numbering changes.
23 years ago
pgindent run.
23 years ago
extern void ExecSetParamPlan(SubPlanState * node, ExprContext *econtext);
Another pgindent run. Fixes enum indenting, and improves #endif spacing. Also adds space for one-line comments.
25 years ago
New pgindent run with fixes suggested by Tom. Patch manually reviewed, initdb/regression tests pass.
25 years ago
#endif /* NODESUBPLAN_H */