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Instead of having a configure-time DEFAULT_ATTSTATTARGET, store -1 in

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attstattarget to indicate 'use the default'.  The default is now a GUC
variable default_statistics_target, and so may be changed on the fly.  Along
the way we gain the ability to have pg_dump dump the per-column statistics
target when it's not the default.  Patch by Neil Conway, with some kibitzing
from Tom Lane.
This commit is contained in:
Tom Lane
2002-07-31 17:19:54 +00:00
parent 8be3cfbbd5
commit ce7565ab91
18 changed files with 125 additions and 60 deletions
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8
src/backend/parser/gram.y
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@@ -11,7 +11,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/parser/gram.y,v 2.351 2002/07/30 16:55:44 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/parser/gram.y,v 2.352 2002/07/31 17:19:51 tgl Exp $
*
* HISTORY
* AUTHOR DATE MAJOR EVENT
@@ -1134,14 +1134,14 @@ AlterTableStmt:
n->name = $6;
$$ = (Node *)n;
}
/* ALTER TABLE <relation> ALTER [COLUMN] <colname> SET STATISTICS <Iconst> */
| ALTER TABLE relation_expr ALTER opt_column ColId SET STATISTICS Iconst
/* ALTER TABLE <relation> ALTER [COLUMN] <colname> SET STATISTICS <IntegerOnly> */
| ALTER TABLE relation_expr ALTER opt_column ColId SET STATISTICS IntegerOnly
{
AlterTableStmt *n = makeNode(AlterTableStmt);
n->subtype = 'S';
n->relation = $3;
n->name = $6;
n->def = (Node *) makeInteger($9);
n->def = (Node *) $9;
$$ = (Node *)n;
}
/* ALTER TABLE <relation> ALTER [COLUMN] <colname> SET STORAGE <storagemode> */