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Expose more cursor-related functionality in SPI: specifically, allow

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access to the planner's cursor-related planning options, and provide new
FETCH/MOVE routines that allow access to the full power of those commands.
Small refactoring of planner(), pg_plan_query(), and pg_plan_queries()
APIs to make it convenient to pass the planning options down from SPI.

This is the core-code portion of Pavel Stehule's patch for scrollable
cursor support in plpgsql; I'll review and apply the plpgsql changes
separately.
This commit is contained in:
Tom Lane
2007-04-16 01:14:58 +00:00
parent fa92d21a48
commit 66888f7424
15 changed files with 435 additions and 71 deletions
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4
src/backend/commands/prepare.c
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@ -10,7 +10,7 @@
* Copyright (c) 2002-2007, PostgreSQL Global Development Group
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/commands/prepare.c,v 1.71 2007/04/12 06:53:46 neilc Exp $
* $PostgreSQL: pgsql/src/backend/commands/prepare.c,v 1.72 2007/04/16 01:14:55 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -160,7 +160,7 @@ PrepareQuery(PrepareStmt *stmt, const char *queryString)
query_list = QueryRewrite(query);
/* Generate plans for queries. Snapshot is already set. */
plan_list = pg_plan_queries(query_list, NULL, false);
plan_list = pg_plan_queries(query_list, 0, NULL, false);
/*
* Save the results.