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Add an option to AlterTableCreateToastTable() to allow its caller to force

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a toast table to be built, even if the sum-of-column-widths calculation
indicates one isn't needed.  This is needed by pg_migrator because if the
old table has a toast table, we have to migrate over the toast table since
it might contain some live data, even though subsequent column drops could
mean that no recently-added rows could require toasting.
This commit is contained in:
Tom Lane
2009-05-07 22:58:28 +00:00
parent 48caf91b66
commit 1e06ed1abe
6 changed files with 31 additions and 19 deletions
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9
src/backend/tcop/utility.c
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@ -10,7 +10,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/tcop/utility.c,v 1.306 2009/02/02 19:31:39 alvherre Exp $
* $PostgreSQL: pgsql/src/backend/tcop/utility.c,v 1.307 2009/05/07 22:58:28 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -442,10 +442,13 @@ ProcessUtility(Node *parsetree,
"toast",
validnsps,
true, false);
(void) heap_reloptions(RELKIND_TOASTVALUE, toast_options,
(void) heap_reloptions(RELKIND_TOASTVALUE,
toast_options,
true);
AlterTableCreateToastTable(relOid, toast_options);
AlterTableCreateToastTable(relOid,
toast_options,
false);
}
else
{