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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/copy.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/commands/copy.c,v 1.279 2007/03/29 00:15:38 tgl Exp $
* $PostgreSQL: pgsql/src/backend/commands/copy.c,v 1.280 2007/04/16 01:14:55 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -1023,7 +1023,7 @@ DoCopy(const CopyStmt *stmt, const char *queryString)
errmsg("COPY (SELECT INTO) is not supported")));
/* plan the query */
plan = planner(query, false, 0, NULL);
plan = planner(query, 0, NULL);
/*
* Update snapshot command ID to ensure this query sees results of any