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https://github.com/MariaDB/server.git
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54 lines
2.3 KiB
Text
54 lines
2.3 KiB
Text
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DROP TABLE IF EXISTS t1;
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CREATE TABLE t1 (a <INT_COLUMN> PRIMARY KEY,
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b <CHAR_COLUMN>
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) ENGINE=<STORAGE_ENGINE> <CUSTOM_TABLE_OPTIONS>;
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SHOW KEYS IN 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 # # NULL NULL # #
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INSERT INTO t1 (a,b) VALUES (1,'a'),(2,'b');
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INSERT INTO t1 (a,b) VALUES (1,'c');
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ERROR 23000: Duplicate entry '1' for key 'PRIMARY'
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# Statement ended with one of expected results (ER_DUP_ENTRY,ER_DUP_KEY).
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# If you got a difference in error message, just add it to rdiff file
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DROP TABLE t1;
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CREATE TABLE t1 (a <INT_COLUMN> PRIMARY KEY,
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b <CHAR_COLUMN> PRIMARY KEY
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) ENGINE=<STORAGE_ENGINE> <CUSTOM_TABLE_OPTIONS>;
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ERROR 42000: Multiple primary key defined
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CREATE TABLE t1 (a <INT_COLUMN>,
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b <CHAR_COLUMN>,
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PRIMARY KEY (a,b)
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) ENGINE=<STORAGE_ENGINE> <CUSTOM_TABLE_OPTIONS>;
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SHOW INDEX IN 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 # # NULL NULL # #
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t1 0 PRIMARY 2 b # # NULL NULL # #
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INSERT INTO t1 (a,b) VALUES (1,'a'),(1,'b'),(2,'a'),(2,'b');
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INSERT INTO t1 (a,b) VALUES (1,'b');
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ERROR 23000: Duplicate entry '1-b' for key 'PRIMARY'
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# Statement ended with one of expected results (ER_DUP_ENTRY,ER_DUP_KEY).
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# If you got a difference in error message, just add it to rdiff file
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DROP TABLE t1;
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CREATE TABLE t1 (a <INT_COLUMN> KEY,
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b <CHAR_COLUMN>,
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<CUSTOM_INDEX> (b)
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) ENGINE=<STORAGE_ENGINE> <CUSTOM_TABLE_OPTIONS>;
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SHOW INDEX IN 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 # # NULL NULL # #
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t1 1 b 1 b # # NULL NULL # #
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DROP TABLE t1;
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CREATE TABLE t1 (a <INT_COLUMN>,
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b <CHAR_COLUMN> PRIMARY KEY
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) ENGINE=<STORAGE_ENGINE> <CUSTOM_TABLE_OPTIONS>;
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SHOW INDEX IN 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 b # # NULL NULL # #
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ALTER TABLE t1 DROP INDEX `PRIMARY`;
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ALTER TABLE t1 ADD CONSTRAINT PRIMARY KEY pk (a);
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SHOW KEYS IN 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 # # NULL NULL # #
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ALTER TABLE t1 DROP PRIMARY KEY;
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DROP TABLE t1;
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