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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/portalcmds.c
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@@ -14,7 +14,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/commands/portalcmds.c,v 1.63 2007/04/12 06:53:46 neilc Exp $
* $PostgreSQL: pgsql/src/backend/commands/portalcmds.c,v 1.64 2007/04/16 01:14:55 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -111,7 +111,7 @@ PerformCursorOpen(DeclareCursorStmt *stmt, ParamListInfo params,
errdetail("Cursors must be READ ONLY.")));
/* plan the query */
plan = planner(query, true, stmt->options, params);
plan = planner(query, stmt->options, params);
/*
* Create a portal and copy the plan into its memory context.