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authorunknown <monty@mysql.com>2006-06-30 19:15:17 +0300
committerunknown <monty@mysql.com>2006-06-30 19:15:17 +0300
commite0171231a58d5ada5e5f6e5db83617aab550f21d (patch)
treeb266d78387635c9b6fcaca0da45956c375f8c1e2
parenta6d2cafd9ceef994f23cba5dae498fc04d2ba936 (diff)
parent66a59b10e9494b807c96f4ddb476d674f0295fd9 (diff)
downloadmariadb-git-e0171231a58d5ada5e5f6e5db83617aab550f21d.tar.gz
Merge bk-internal.mysql.com:/home/bk/mysql-4.1
into mysql.com:/home/my/mysql-4.1
-rw-r--r--mysql-test/r/key.result10
-rw-r--r--mysql-test/t/key.test1
-rw-r--r--sql/table.cc21
3 files changed, 31 insertions, 1 deletions
diff --git a/mysql-test/r/key.result b/mysql-test/r/key.result
index 0bc241c0d19..75fc469460e 100644
--- a/mysql-test/r/key.result
+++ b/mysql-test/r/key.result
@@ -332,8 +332,16 @@ UNIQUE i1idx (i1),
UNIQUE i2idx (i2));
desc t1;
Field Type Null Key Default Extra
-i1 int(11) UNI 0
+i1 int(11) PRI 0
i2 int(11) UNI 0
+show create table t1;
+Table Create Table
+t1 CREATE TABLE `t1` (
+ `i1` int(11) NOT NULL default '0',
+ `i2` int(11) NOT NULL default '0',
+ UNIQUE KEY `i1idx` (`i1`),
+ UNIQUE KEY `i2idx` (`i2`)
+) ENGINE=MyISAM DEFAULT CHARSET=latin1
drop table t1;
create table t1 (
c1 int,
diff --git a/mysql-test/t/key.test b/mysql-test/t/key.test
index 796e36cb608..9aab8a13b06 100644
--- a/mysql-test/t/key.test
+++ b/mysql-test/t/key.test
@@ -330,6 +330,7 @@ create table t1 (
UNIQUE i1idx (i1),
UNIQUE i2idx (i2));
desc t1;
+show create table t1;
drop table t1;
#
diff --git a/sql/table.cc b/sql/table.cc
index 513f42665a6..8ac64ac198d 100644
--- a/sql/table.cc
+++ b/sql/table.cc
@@ -567,6 +567,27 @@ int openfrm(const char *name, const char *alias, uint db_stat, uint prgflag,
if (outparam->key_info[key].flags & HA_FULLTEXT)
outparam->key_info[key].algorithm= HA_KEY_ALG_FULLTEXT;
+ if (primary_key >= MAX_KEY && (keyinfo->flags & HA_NOSAME))
+ {
+ /*
+ If the UNIQUE key doesn't have NULL columns and is not a part key
+ declare this as a primary key.
+ */
+ primary_key=key;
+ for (i=0 ; i < keyinfo->key_parts ;i++)
+ {
+ uint fieldnr= key_part[i].fieldnr;
+ if (!fieldnr ||
+ outparam->field[fieldnr-1]->null_ptr ||
+ outparam->field[fieldnr-1]->key_length() !=
+ key_part[i].length)
+ {
+ primary_key=MAX_KEY; // Can't be used
+ break;
+ }
+ }
+ }
+
for (i=0 ; i < keyinfo->key_parts ; key_part++,i++)
{
if (new_field_pack_flag <= 1)