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d1ad316a59
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).
35 lines
1.1 KiB
Text
35 lines
1.1 KiB
Text
DROP TABLE IF EXISTS t1;
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create table t1 ( a int primary key, b varchar(10), c varchar(10), index (b) )
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engine=ndb;
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insert into t1 values (1,'one','one'), (2,'two','two'), (3,'three','three');
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create index c on t1(c);
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show indexes from t1;
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Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_comment
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t1 0 PRIMARY 1 a A 3 NULL NULL BTREE
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t1 1 b 1 b A 3 NULL NULL YES BTREE
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t1 1 c 1 c A 3 NULL NULL YES BTREE
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select * from t1 where c = 'two';
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a b c
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2 two two
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alter table t1 drop index c;
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show indexes from t1;
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Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_comment
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t1 0 PRIMARY 1 a A 3 NULL NULL BTREE
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t1 1 b 1 b A 3 NULL NULL YES BTREE
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select * from t1 where c = 'two';
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a b c
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2 two two
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drop table t1;
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create table t3 (a int primary key) engine=ndbcluster;
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begin;
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insert into t3 values (1);
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alter table t3 rename t4;
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commit;
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select * from t3;
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ERROR 42S02: Table 'test.t3' doesn't exist
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select * from t4;
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a
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1
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drop table t4;
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show tables;
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Tables_in_test
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