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postgres/src/include/executor/nodeNestloop.h

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Postgres95 1.01 Distribution - Virgin Sources
30 years ago
/*-------------------------------------------------------------------------
*
Change my-function-name-- to my_function_name, and optimizer renames.
27 years ago
* nodeNestloop.h
Massive commit to run PGINDENT on all *.c and *.h files.
29 years ago
*
Postgres95 1.01 Distribution - Virgin Sources
30 years ago
*
*
Update copyrights in source tree to 2008.
18 years ago
* Portions Copyright (c) 1996-2008, PostgreSQL Global Development Group
Add: * Portions Copyright (c) 1996-2000, PostgreSQL, Inc to all files copyright Regents of Berkeley. Man, that's a lot of files.
26 years ago
* Portions Copyright (c) 1994, Regents of the University of California
Postgres95 1.01 Distribution - Virgin Sources
30 years ago
*
Update copyrights in source tree to 2008.
18 years ago
* $PostgreSQL: pgsql/src/include/executor/nodeNestloop.h,v 1.27 2008/01/01 19:45:57 momjian Exp $
Postgres95 1.01 Distribution - Virgin Sources
30 years ago
*
*-------------------------------------------------------------------------
*/
Massive commit to run PGINDENT on all *.c and *.h files.
29 years ago
#ifndef NODENESTLOOP_H
#define NODENESTLOOP_H
Postgres95 1.01 Distribution - Virgin Sources
30 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
#include "nodes/execnodes.h"
Cleanup up include files.
29 years ago
Used modified version of indent that understands over 100 typedefs.
29 years ago
extern int ExecCountSlotsNestLoop(NestLoop *node);
Extend the ExecInitNode API so that plan nodes receive a set of flag bits indicating which optional capabilities can actually be exercised at runtime. This will allow Sort and Material nodes, and perhaps later other nodes, to avoid unnecessary overhead in common cases. This commit just adds the infrastructure and arranges to pass the correct flag values down to plan nodes; none of the actual optimizations are here yet. I'm committing this separately in case anyone wants to measure the added overhead. (It should be negligible.) Simon Riggs and Tom Lane
20 years ago
extern NestLoopState *ExecInitNestLoop(NestLoop *node, EState *estate, int eflags);
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
extern TupleTableSlot *ExecNestLoop(NestLoopState *node);
extern void ExecEndNestLoop(NestLoopState *node);
extern void ExecReScanNestLoop(NestLoopState *node, ExprContext *exprCtxt);
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 /* NODENESTLOOP_H */