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53 lines
1.7 KiB
Text
53 lines
1.7 KiB
Text
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#
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# Bug#22017616: ASSERTION FAILED: TABLE_SHARE->IS_MISSING_PRIMARY_KEY()
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# == M_PREBUILT->CLUST_IND
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#
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# Ensure that adding indexes with virtual columns are not promoted to
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# primary keys
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#
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# Base line with normal column - should be promoted
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CREATE TABLE t0(a INT NOT NULL) ENGINE=INNODB;
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ALTER TABLE t0 ADD UNIQUE INDEX (a);
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# Case a: Create table with virtual unique not null column
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CREATE TABLE t1(a POINT GENERATED ALWAYS AS (POINT(1,1)) VIRTUAL UNIQUE) ENGINE=INNODB;
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SELECT * FROM t1;
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a
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# Case b: Create table with index on virtual point column
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CREATE TABLE t2(a POINT GENERATED ALWAYS AS (POINT(1,1)) VIRTUAL, UNIQUE INDEX no_pk(a(1))) ENGINE=INNODB;
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SELECT * FROM t2;
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a
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# Case c: Add unique index on virtual point column
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CREATE TABLE t3(a POINT GENERATED ALWAYS AS (POINT(1,1)) VIRTUAL)
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ENGINE=INNODB;
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ALTER TABLE t3 ADD UNIQUE INDEX (a(1));
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SELECT * FROM t3;
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a
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# Case d: Add unique index on virtual blob column
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CREATE TABLE t4 (a BLOB, b BLOB GENERATED ALWAYS AS (a) VIRTUAL) ENGINE=INNODB;
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ALTER TABLE t4 ADD UNIQUE INDEX (b(1));
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SELECT * FROM t4;
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a b
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# Query I_S to verify that 'a' is promoted to pk only when it
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# isn't virtual
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SELECT T.NAME AS TABLE_NAME, I.NAME AS INDEX_NAME,
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CASE (I.TYPE & 3)
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WHEN 3 THEN "yes"
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ELSE "no" END AS IS_PRIMARY_KEY,
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F.NAME AS FIELD_NAME, F.POS AS FIELD_POS FROM
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INFORMATION_SCHEMA.INNODB_SYS_TABLES AS T JOIN
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INFORMATION_SCHEMA.INNODB_SYS_INDEXES AS I JOIN
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INFORMATION_SCHEMA.INNODB_SYS_FIELDS AS F
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ON I.INDEX_ID = F.INDEX_ID AND I.TABLE_ID = T.TABLE_ID
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WHERE T.NAME LIKE 'test/%';
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TABLE_NAME INDEX_NAME IS_PRIMARY_KEY FIELD_NAME FIELD_POS
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test/t0 a yes a 0
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test/t1 a no a 0
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test/t2 no_pk no a 0
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test/t3 a no a 0
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test/t4 b no b 0
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DROP TABLE t0;
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DROP TABLE t1;
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DROP TABLE t2;
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DROP TABLE t3;
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DROP TABLE t4;
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