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Patch for WL#3736: Extended Table, Column and Index Comments.

Browse Source 
The task is to 
  (a) add a comment on indexes and 
  (b) increase the maximum length of column, table and the new index comments.

The patch committed on behalf of Yoshinori Matsunobu (Yoshinori.Matsunobu@Sun.COM).
This commit is contained in:
Alexander Nozdrin
2010-02-20 13:07:32 +03:00
parent f027e4e00f
commit d1ad316a59
64 changed files with 2801 additions and 574 deletions
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36
mysql-test/suite/sys_vars/r/myisam_stats_method_func.result
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@ -21,16 +21,16 @@ ANALYZE TABLE t1;
Table Op Msg_type Msg_text
test.t1 analyze status OK
SHOW INDEX FROM t1;
Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment
t1 1 a 1 a A 10 NULL NULL YES BTREE
Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_comment
t1 1 a 1 a A 10 NULL NULL YES BTREE
INSERT INTO t1 VALUES (11);
DELETE FROM t1 WHERE a = 11;
CHECK TABLE t1;
Table Op Msg_type Msg_text
test.t1 check status OK
SHOW INDEX FROM t1;
Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment
t1 1 a 1 a A 10 NULL NULL YES BTREE
Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_comment
t1 1 a 1 a A 10 NULL NULL YES BTREE
'Set nulls to be equal'
SET myisam_stats_method = nulls_equal;
INSERT INTO t1 VALUES (11);
@ -39,16 +39,16 @@ ANALYZE TABLE t1;
Table Op Msg_type Msg_text
test.t1 analyze status OK
SHOW INDEX FROM t1;
Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment
t1 1 a 1 a A 5 NULL NULL YES BTREE
Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_comment
t1 1 a 1 a A 5 NULL NULL YES BTREE
INSERT INTO t1 VALUES (11);
DELETE FROM t1 WHERE a = 11;
CHECK TABLE t1;
Table Op Msg_type Msg_text
test.t1 check status OK
SHOW INDEX FROM t1;
Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment
t1 1 a 1 a A 5 NULL NULL YES BTREE
Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_comment
t1 1 a 1 a A 5 NULL NULL YES BTREE
'Set nulls to be ignored'
SET myisam_stats_method = nulls_ignored;
SHOW VARIABLES LIKE 'myisam_stats_method';
@ -67,21 +67,21 @@ ANALYZE TABLE t1;
Table Op Msg_type Msg_text
test.t1 analyze status OK
SHOW INDEX FROM t1;
Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment
t1 1 a 1 a A 2 NULL NULL YES BTREE
t1 1 a 2 b A 4 NULL NULL YES BTREE
t1 1 a 3 c A 4 NULL NULL YES BTREE
t1 1 a 4 d A 4 NULL NULL YES BTREE
Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_comment
t1 1 a 1 a A 2 NULL NULL YES BTREE
t1 1 a 2 b A 4 NULL NULL YES BTREE
t1 1 a 3 c A 4 NULL NULL YES BTREE
t1 1 a 4 d A 4 NULL NULL YES BTREE
DELETE FROM t1;
ANALYZE TABLE t1;
Table Op Msg_type Msg_text
test.t1 analyze status OK
SHOW INDEX FROM t1;
Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment
t1 1 a 1 a A 0 NULL NULL YES BTREE
t1 1 a 2 b A 0 NULL NULL YES BTREE
t1 1 a 3 c A 0 NULL NULL YES BTREE
t1 1 a 4 d A 0 NULL NULL YES BTREE
Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_comment
t1 1 a 1 a A 0 NULL NULL YES BTREE
t1 1 a 2 b A 0 NULL NULL YES BTREE
t1 1 a 3 c A 0 NULL NULL YES BTREE
t1 1 a 4 d A 0 NULL NULL YES BTREE
SET myisam_stats_method = DEFAULT;
DROP TABLE t1;
SET @@global.myisam_stats_method= @start_value;