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For multi-table ANALYZE, use per-table transactions when possible

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(ie, when not inside a transaction block), so that we can avoid holding
locks longer than necessary.  Per trouble report from Philip Warner.
This commit is contained in:
Tom Lane
2004-05-22 23:14:38 +00:00
parent e26c403fd0
commit 4d86ae4260
3 changed files with 125 additions and 68 deletions
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3
src/include/access/xact.h
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@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2003, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/access/xact.h,v 1.62 2004/04/05 03:11:39 momjian Exp $
* $PostgreSQL: pgsql/src/include/access/xact.h,v 1.63 2004/05/22 23:14:38 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -145,6 +145,7 @@ extern void UserAbortTransactionBlock(void);
extern void AbortOutOfAnyTransaction(void);
extern void PreventTransactionChain(void *stmtNode, const char *stmtType);
extern void RequireTransactionChain(void *stmtNode, const char *stmtType);
extern bool IsInTransactionChain(void *stmtNode);
extern void RegisterEOXactCallback(EOXactCallback callback, void *arg);
extern void UnregisterEOXactCallback(EOXactCallback callback, void *arg);