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Generalize TRUNCATE to support truncating multiple tables in one

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command.  This is useful because we can allow truncation of tables
referenced by foreign keys, so long as the referencing table is
truncated in the same command.

Alvaro Herrera
This commit is contained in:
Tom Lane
2005-01-27 03:19:37 +00:00
parent 4fe201237f
commit f07b9689c9
14 changed files with 398 additions and 180 deletions
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4
src/backend/nodes/copyfuncs.c
View File

@@ -15,7 +15,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/nodes/copyfuncs.c,v 1.295 2004/12/31 21:59:55 pgsql Exp $
* $PostgreSQL: pgsql/src/backend/nodes/copyfuncs.c,v 1.296 2005/01/27 03:17:45 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -1815,7 +1815,7 @@ _copyTruncateStmt(TruncateStmt *from)
{
TruncateStmt *newnode = makeNode(TruncateStmt);
COPY_NODE_FIELD(relation);
COPY_NODE_FIELD(relations);
return newnode;
}

4
src/backend/nodes/equalfuncs.c
View File

@@ -18,7 +18,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/nodes/equalfuncs.c,v 1.234 2004/12/31 21:59:55 pgsql Exp $
* $PostgreSQL: pgsql/src/backend/nodes/equalfuncs.c,v 1.235 2005/01/27 03:17:45 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -891,7 +891,7 @@ _equalDropStmt(DropStmt *a, DropStmt *b)
static bool
_equalTruncateStmt(TruncateStmt *a, TruncateStmt *b)
{
COMPARE_NODE_FIELD(relation);
COMPARE_NODE_FIELD(relations);
return true;
}