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21 lines
1.5 KiB
Text
21 lines
1.5 KiB
Text
CREATE TABLE t (c1 VARCHAR(10),c2 VARCHAR(10),PRIMARY KEY(c1,c2),FULLTEXT KEY k (c2)) ENGINE=InnoDB;
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INSERT INTO t VALUES ('a','b');
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DROP TABLE t;
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CREATE TABLE t (c1 VARCHAR(10),c2 VARCHAR(10),PRIMARY KEY(c1,c2),FULLTEXT KEY k (c2)) ENGINE=InnoDB;
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DELETE FROM t;
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DROP TABLE t;
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CREATE TABLE t (a INT(1),d INT(1),b VARCHAR(1),c CHAR(1),c3 INT(1) GENERATED ALWAYS AS ((a + LENGTH (d))) STORED,c2 CHAR(1) GENERATED ALWAYS AS (SUBSTR(b,0,0)) VIRTUAL,k1 CHAR(1) GENERATED ALWAYS AS (SUBSTR(b,0,0)) VIRTUAL,PRIMARY KEY(b (1),a,d),KEY d (d),KEY a (a),KEY c_renamed (c (1),b (1)),KEY b (b (1),c (1),a),KEY k1 (k1),KEY a_2 (a,k1),KEY k1_2 (k1,d)) DEFAULT CHARSET=latin1 ENGINE=InnoDB;
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DELETE FROM t;
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DROP TABLE t;
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CREATE TABLE t (a INT,ROW_START TIMESTAMP(6) AS ROW START,ROW_END TIMESTAMP(6) AS ROW END,PERIOD FOR SYSTEM_TIME(ROW_START,ROW_END),INDEX (ROW_START),INDEX (ROW_END),PRIMARY KEY(ROW_END,a,ROW_START),INDEX (ROW_END,ROW_START,a)) WITH SYSTEM VERSIONING ENGINE=InnoDB;
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SHOW INDEX FROM t;
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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 Ignored
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t 0 PRIMARY 1 ROW_END A 0 NULL NULL BTREE NO
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t 0 PRIMARY 2 a A 0 NULL NULL BTREE NO
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t 0 PRIMARY 3 ROW_START A 0 NULL NULL BTREE NO
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t 1 ROW_START 1 ROW_START A 0 NULL NULL BTREE NO
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t 1 ROW_END 1 ROW_END A 0 NULL NULL BTREE NO
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t 1 ROW_END_2 1 ROW_END A 0 NULL NULL BTREE NO
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t 1 ROW_END_2 2 ROW_START A 0 NULL NULL BTREE NO
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t 1 ROW_END_2 3 a A 0 NULL NULL BTREE NO
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DROP TABLE t;
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