181 lines
6.4 KiB
Plaintext
181 lines
6.4 KiB
Plaintext
Warnings:
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Warning 3135 'NO_ZERO_DATE', 'NO_ZERO_IN_DATE' and 'ERROR_FOR_DIVISION_BY_ZERO' sql modes should be used with strict mode. They will be merged with strict mode in a future release.
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************************************************************
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* Creating table with char+binary types
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************************************************************
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CREATE TABLE t3(
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c1 char(32),
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b1 binary(32)
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) CHARACTER SET latin1 ENGINE=NDB;
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INSERT INTO t3 VALUES('aaaaaaaa', 'bbbbbbbb');
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SELECT length(c1), length(b1) FROM t3;
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length(c1) length(b1)
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8 32
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************************************************************
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* Backing up table with char+binary types
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************************************************************
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************************************************************
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* Restoring table with unchanged char+binary types (sanity check):
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* char(32) --> char(32)
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* binary(32) --> binary(32)
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************************************************************
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CREATE TABLE t3_myisam ENGINE=MYISAM AS SELECT * FROM t3;
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DELETE FROM t3;
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SELECT length(c1), length(b1) FROM t3;
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length(c1) length(b1)
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8 32
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SELECT COUNT(*) FROM t3 NATURAL JOIN t3_myisam;
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COUNT(*)
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1
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DROP TABLE t3_myisam;
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************************************************************
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* Restoring table with promoted char+binary types preserving padding:
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* char(32) --> varchar(32)
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* binary(32) --> varbinary(32)
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************************************************************
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ALTER TABLE t3 MODIFY c1 varchar(32), MODIFY b1 varbinary(32);
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SELECT length(c1), length(b1) FROM t3;
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length(c1) length(b1)
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8 32
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CREATE TABLE t3_myisam ENGINE=MYISAM AS SELECT * FROM t3;
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DELETE FROM t3;
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SELECT length(c1), length(b1) FROM t3;
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length(c1) length(b1)
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32 32
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SELECT COUNT(*) FROM t3 NATURAL JOIN t3_myisam;
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COUNT(*)
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1
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DROP TABLE t3_myisam;
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************************************************************
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* Restoring table with promoted char+binary types preserving padding:
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* char(32) --> varchar(64)
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* binary(32) --> varbinary(64)
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************************************************************
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ALTER TABLE t3 MODIFY c1 varchar(64), MODIFY b1 varbinary(64);
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SELECT length(c1), length(b1) FROM t3;
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length(c1) length(b1)
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32 32
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CREATE TABLE t3_myisam ENGINE=MYISAM AS SELECT * FROM t3;
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DELETE FROM t3;
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SELECT length(c1), length(b1) FROM t3;
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length(c1) length(b1)
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32 32
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SELECT COUNT(*) FROM t3 NATURAL JOIN t3_myisam;
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COUNT(*)
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1
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DROP TABLE t3_myisam;
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************************************************************
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* Restoring table with promoted char+binary types preserving padding:
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* char(32) --> varchar(512)
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* binary(32) --> varbinary(512)
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************************************************************
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ALTER TABLE t3 MODIFY c1 varchar(512), MODIFY b1 varbinary(512);
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SELECT length(c1), length(b1) FROM t3;
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length(c1) length(b1)
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32 32
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CREATE TABLE t3_myisam ENGINE=MYISAM AS SELECT * FROM t3;
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DELETE FROM t3;
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SELECT length(c1), length(b1) FROM t3;
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length(c1) length(b1)
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32 32
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SELECT COUNT(*) FROM t3 NATURAL JOIN t3_myisam;
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COUNT(*)
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1
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DROP TABLE t3_myisam;
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************************************************************
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* Restoring table with demoted char+binary types preserving padding:
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* char(32) --> varchar(16)
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* binary(32) --> varbinary(16)
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************************************************************
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ALTER TABLE t3 MODIFY c1 varchar(16), MODIFY b1 varbinary(16);
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SELECT length(c1), length(b1) FROM t3;
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length(c1) length(b1)
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16 16
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CREATE TABLE t3_myisam ENGINE=MYISAM AS SELECT * FROM t3;
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DELETE FROM t3;
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SELECT length(c1), length(b1) FROM t3;
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length(c1) length(b1)
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16 16
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SELECT COUNT(*) FROM t3 NATURAL JOIN t3_myisam;
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COUNT(*)
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1
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DROP TABLE t3_myisam;
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************************************************************
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* Restoring table with promoted char+binary types discarding padding:
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* char(32) --> varchar(32)
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* binary(32) --> varbinary(32)
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************************************************************
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DELETE FROM t3;
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ALTER TABLE t3 MODIFY c1 varchar(32), MODIFY b1 varbinary(32);
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INSERT INTO t3 VALUES('aaaaaaaa', 'bbbbbbbb');
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SELECT length(c1), length(b1) FROM t3;
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length(c1) length(b1)
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8 8
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CREATE TABLE t3_myisam ENGINE=MYISAM AS SELECT * FROM t3;
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DELETE FROM t3;
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SELECT length(c1), length(b1) FROM t3;
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length(c1) length(b1)
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8 8
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SELECT COUNT(*) FROM t3 NATURAL JOIN t3_myisam;
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COUNT(*)
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1
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DROP TABLE t3_myisam;
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************************************************************
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* Restoring table with promoted char+binary types discarding padding:
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* char(32) --> varchar(64)
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* binary(32) --> varbinary(64)
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************************************************************
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ALTER TABLE t3 MODIFY c1 varchar(64), MODIFY b1 varbinary(64);
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SELECT length(c1), length(b1) FROM t3;
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length(c1) length(b1)
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8 8
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CREATE TABLE t3_myisam ENGINE=MYISAM AS SELECT * FROM t3;
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DELETE FROM t3;
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SELECT length(c1), length(b1) FROM t3;
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length(c1) length(b1)
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8 8
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SELECT COUNT(*) FROM t3 NATURAL JOIN t3_myisam;
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COUNT(*)
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1
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DROP TABLE t3_myisam;
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************************************************************
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* Restoring table with promoted char+binary types discarding padding:
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* char(32) --> varchar(512)
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* binary(32) --> varbinary(512)
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************************************************************
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ALTER TABLE t3 MODIFY c1 varchar(512), MODIFY b1 varbinary(512);
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SELECT length(c1), length(b1) FROM t3;
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length(c1) length(b1)
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8 8
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CREATE TABLE t3_myisam ENGINE=MYISAM AS SELECT * FROM t3;
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DELETE FROM t3;
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SELECT length(c1), length(b1) FROM t3;
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length(c1) length(b1)
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8 8
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SELECT COUNT(*) FROM t3 NATURAL JOIN t3_myisam;
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COUNT(*)
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1
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DROP TABLE t3_myisam;
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************************************************************
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* Restoring table with demoted char+binary types discarding padding:
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* char(32) --> varchar(16)
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* binary(32) --> varbinary(16)
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************************************************************
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ALTER TABLE t3 MODIFY c1 varchar(16), MODIFY b1 varbinary(16);
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SELECT length(c1), length(b1) FROM t3;
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length(c1) length(b1)
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8 8
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CREATE TABLE t3_myisam ENGINE=MYISAM AS SELECT * FROM t3;
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DELETE FROM t3;
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SELECT length(c1), length(b1) FROM t3;
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length(c1) length(b1)
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8 8
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SELECT COUNT(*) FROM t3 NATURAL JOIN t3_myisam;
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COUNT(*)
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1
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DROP TABLE t3_myisam;
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************************************************************
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* Deleting table with char+binary types
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************************************************************
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DROP TABLE t3;
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