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Add ALTER TABLE ... ALTER COLUMN ... SET STATISTICS DISTINCT

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Robert Haas
This commit is contained in:
Tom Lane
2009-08-02 22:14:53 +00:00
parent 527f0ae3fa
commit 9072592946
17 changed files with 558 additions and 301 deletions
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5
src/backend/access/common/tupdesc.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/access/common/tupdesc.c,v 1.127 2009/07/16 06:33:42 petere Exp $
* $PostgreSQL: pgsql/src/backend/access/common/tupdesc.c,v 1.128 2009/08/02 22:14:51 tgl Exp $
*
* NOTES
* some of the executor utility code such as "ExecTypeFromTL" should be
@ -338,6 +338,8 @@ equalTupleDescs(TupleDesc tupdesc1, TupleDesc tupdesc2)
return false;
if (attr1->attstattarget != attr2->attstattarget)
return false;
if (attr1->attdistinct != attr2->attdistinct)
return false;
if (attr1->attlen != attr2->attlen)
return false;
if (attr1->attndims != attr2->attndims)
@ -465,6 +467,7 @@ TupleDescInitEntry(TupleDesc desc,
MemSet(NameStr(att->attname), 0, NAMEDATALEN);
att->attstattarget = -1;
att->attdistinct = 0;
att->attcacheoff = -1;
att->atttypmod = typmod;