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Make DROP TABLE rollback-able: postpone physical file delete until commit.

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(WAL logging for this is not done yet, however.)  Clean up a number of really
crufty things that are no longer needed now that DROP behaves nicely.  Make
temp table mapper do the right things when drop or rename affecting a temp
table is rolled back.  Also, remove "relation modified while in use" error
check, in favor of locking tables at first reference and holding that lock
throughout the statement.
This commit is contained in:
Tom Lane
2000-11-08 22:10:03 +00:00
parent ebe0b23690
commit 3908473c80
46 changed files with 1305 additions and 1187 deletions
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3
src/include/parser/parse_node.h
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@ -6,7 +6,7 @@
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Id: parse_node.h,v 1.22 2000/09/29 18:21:40 tgl Exp $
* $Id: parse_node.h,v 1.23 2000/11/08 22:10:02 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -26,6 +26,7 @@ typedef struct ParseState
List *p_joinlist; /* join items so far (will become
* FromExpr node's fromlist) */
int p_last_resno; /* last targetlist resno assigned */
List *p_forUpdate; /* FOR UPDATE clause, if any (see gram.y) */
bool p_hasAggs;
bool p_hasSubLinks;
bool p_is_insert;