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			222 lines
		
	
	
	
		
			7.7 KiB
		
	
	
	
		
			Text
		
	
	
	
	
	
			
		
		
	
	
			222 lines
		
	
	
	
		
			7.7 KiB
		
	
	
	
		
			Text
		
	
	
	
	
	
| set @save_max_allowed_packet=@@max_allowed_packet;
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| set global max_allowed_packet=1048576;
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| connect  conn1,localhost,root,,;
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| connection conn1;
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| select @test_compress_string:='string for test compress function aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa ';
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| @test_compress_string:='string for test compress function aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa '
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| string for test compress function aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa 
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| select length(@test_compress_string);
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| length(@test_compress_string)
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| 117
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| select uncompress(compress(@test_compress_string));
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| uncompress(compress(@test_compress_string))
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| string for test compress function aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa 
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| explain extended select uncompress(compress(@test_compress_string));
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| id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
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| 1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
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| Warnings:
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| Note	1003	select uncompress(compress(@`test_compress_string`)) AS `uncompress(compress(@test_compress_string))`
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| select uncompressed_length(compress(@test_compress_string))=length(@test_compress_string);
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| uncompressed_length(compress(@test_compress_string))=length(@test_compress_string)
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| 1
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| explain extended select uncompressed_length(compress(@test_compress_string))=length(@test_compress_string);
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| id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
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| 1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
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| Warnings:
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| Note	1003	select uncompressed_length(compress(@`test_compress_string`)) = octet_length(@`test_compress_string`) AS `uncompressed_length(compress(@test_compress_string))=length(@test_compress_string)`
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| select uncompressed_length(compress(@test_compress_string));
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| uncompressed_length(compress(@test_compress_string))
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| 117
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| select length(compress(@test_compress_string))<length(@test_compress_string);
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| length(compress(@test_compress_string))<length(@test_compress_string)
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| 1
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| create table t1 (a blob, b binary(255), c char(4)) engine=myisam;
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| insert into t1 (a,b,c) values (compress(@test_compress_string),compress(@test_compress_string),'d ');
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| select uncompress(a) from t1;
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| uncompress(a)
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| string for test compress function aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa 
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| select uncompress(b) from t1;
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| uncompress(b)
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| string for test compress function aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa 
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| select concat('|',c,'|') from t1;
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| concat('|',c,'|')
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| |d|
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| drop table t1;
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| select compress("");
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| compress("")
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| 
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| select uncompress("");
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| uncompress("")
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| 
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| select uncompress(compress(""));
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| uncompress(compress(""))
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| 
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| select uncompressed_length("");
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| uncompressed_length("")
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| 0
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| create table t1 (a blob);
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| insert t1 values (compress(null)), ('A\0\0\0BBBBBBBB'), (compress(space(50000))), (space(50000));
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| select length(a) from t1;
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| length(a)
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| NULL
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| 12
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| 76
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| 50000
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| select length(uncompress(a)) from t1;
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| length(uncompress(a))
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| NULL
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| NULL
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| 50000
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| NULL
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| Warnings:
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| Warning	1259	ZLIB: Input data corrupted
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| Warning	1256	Uncompressed data size too large; the maximum size is 1048576 (probably, length of uncompressed data was corrupted)
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| drop table t1;
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| set @@global.max_allowed_packet=1048576*100;
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| connect  newconn, localhost, root,,;
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| select compress(repeat('aaaaaaaaaa', IF(XXX, 10, 10000000))) is null;
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| compress(repeat('aaaaaaaaaa', IF(XXX, 10, 10000000))) is null
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| 0
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| Warnings:
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| Warning	1292	Truncated incorrect DOUBLE value: XXX
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| Warning	1292	Truncated incorrect DOUBLE value: XXX
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| disconnect newconn;
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| connection default;
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| set @@global.max_allowed_packet=@save_max_allowed_packet;
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| create table t1(a blob);
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| insert into t1 values(NULL), (compress('a'));
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| select uncompress(a), uncompressed_length(a) from t1;
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| uncompress(a)	uncompressed_length(a)
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| NULL	NULL
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| a	1
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| drop table t1;
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| create table t1(a blob);
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| insert into t1 values ('0'), (NULL), ('0');
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| select compress(a), compress(a) from t1;
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| select compress(a) is null from t1;
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| compress(a) is null
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| 0
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| 1
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| 0
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| drop table t1;
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| End of 4.1 tests
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| create table t1 (a varchar(32) not null);
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| insert into t1 values ('foo');
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| explain select * from t1 where uncompress(a) is null;
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| id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
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| 1	SIMPLE	t1	system	NULL	NULL	NULL	NULL	1	
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| Warnings:
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| Warning	1259	ZLIB: Input data corrupted
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| select * from t1 where uncompress(a) is null;
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| a
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| foo
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| Warnings:
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| Warning	1259	ZLIB: Input data corrupted
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| explain select *, uncompress(a) from t1;
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| id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
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| 1	SIMPLE	t1	system	NULL	NULL	NULL	NULL	1	
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| select *, uncompress(a) from t1;
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| a	uncompress(a)
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| foo	NULL
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| Warnings:
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| Warning	1259	ZLIB: Input data corrupted
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| select *, uncompress(a), uncompress(a) is null from t1;
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| a	uncompress(a)	uncompress(a) is null
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| foo	NULL	1
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| Warnings:
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| Warning	1259	ZLIB: Input data corrupted
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| Warning	1259	ZLIB: Input data corrupted
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| drop table t1;
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| CREATE TABLE t1 (c1 INT);
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| INSERT INTO t1 VALUES (1), (1111), (11111);
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| SELECT UNCOMPRESS(c1), UNCOMPRESSED_LENGTH(c1) FROM t1;
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| UNCOMPRESS(c1)	UNCOMPRESSED_LENGTH(c1)
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| NULL	NULL
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| NULL	NULL
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| NULL	825307441
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| EXPLAIN EXTENDED SELECT * FROM (SELECT UNCOMPRESSED_LENGTH(c1) FROM t1) AS s;
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| DROP TABLE t1;
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| End of 5.0 tests
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| #
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| # Start of 5.3 tests
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| #
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| #
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| # MDEV-5783 Assertion `0' failed in make_sortkey(SORTPARAM*, uchar*, uchar*) on ORDER BY HEX(UNCOMPRESSED_LENGTH(pk))
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| #
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| CREATE TABLE t1 (pk INT PRIMARY KEY);
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| INSERT INTO t1 VALUES (1),(2);
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| SELECT UNCOMPRESSED_LENGTH(pk) FROM t1;
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| UNCOMPRESSED_LENGTH(pk)
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| NULL
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| NULL
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| Warnings:
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| Warning	1259	ZLIB: Input data corrupted
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| Warning	1259	ZLIB: Input data corrupted
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| SELECT * FROM t1 ORDER BY HEX(UNCOMPRESSED_LENGTH(pk));
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| DROP TABLE t1;
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| #
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| # End of 5.3 tests
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| #
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| SELECT UNCOMPRESS(CAST(0 AS BINARY(5)));
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| UNCOMPRESS(CAST(0 AS BINARY(5)))
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| NULL
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| Warnings:
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| Warning	1259	ZLIB: Input data corrupted
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| disconnect conn1;
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| connection default;
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| set global max_allowed_packet=@save_max_allowed_packet;
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| #
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| # End of 5.5 tests
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| #
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| #
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| # Start of 10.1 tests
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| #
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| #
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| # MDEV-10864 Wrong result for WHERE .. (f2=COMPRESS('test') OR f2=COMPRESS('TEST'))
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| #
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| CREATE TABLE t1 (f1 VARCHAR(4), f2 VARBINARY(64), UNIQUE KEY k1 (f1,f2));
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| INSERT INTO t1 VALUES ('test',compress('test')), ('TEST', compress('TEST'));
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| SELECT f1,HEX(f2) FROM t1 ignore index(k1) WHERE f1='test' AND (f2= compress("test") OR f2= compress("TEST"));
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| f1	HEX(f2)
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| test	04000000789C2B492D2E0100045D01C1
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| TEST	04000000789C0B710D0E0100031D0141
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| SELECT f1,HEX(f2) FROM t1                  WHERE f1='test' AND (f2= compress("test") OR f2= compress("TEST"));
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| f1	HEX(f2)
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| TEST	04000000789C0B710D0E0100031D0141
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| test	04000000789C2B492D2E0100045D01C1
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| SELECT f1,HEX(f2) FROM t1                  WHERE f1='test' AND (f2= compress("TEST") OR f2= compress("test"));
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| f1	HEX(f2)
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| TEST	04000000789C0B710D0E0100031D0141
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| test	04000000789C2B492D2E0100045D01C1
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| DROP TABLE t1;
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| #
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| # End of 10.1 tests
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| #
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| #
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| # MDEV-10134 Add full support for DEFAULT
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| #
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| CREATE TABLE t1 (a TEXT, b BLOB DEFAULT COMPRESS(a), bl INT DEFAULT UNCOMPRESSED_LENGTH(b), a1 TEXT DEFAULT UNCOMPRESS(b));
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| SHOW CREATE TABLE t1;
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| Table	Create Table
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| t1	CREATE TABLE `t1` (
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|   `a` text DEFAULT NULL,
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|   `b` blob DEFAULT compress(`a`),
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|   `bl` int(11) DEFAULT uncompressed_length(`b`),
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|   `a1` text DEFAULT uncompress(`b`)
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| ) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
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| INSERT INTO t1 (a) VALUES (REPEAT('a',100));
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| SELECT bl, a1 FROM t1;
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| bl	a1
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| 100	aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
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| DROP TABLE t1;
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| #
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| # MDEV-23149 Server crashes in my_convert / ErrConvString::ptr / Item_char_typecast::check_truncation_with_warn
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| #
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| select 'foo' in (cast(compress('bar') as char(4)), 'qux');
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| 'foo' in (cast(compress('bar') as char(4)), 'qux')
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| 0
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| Warnings:
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| Warning	1292	Truncated incorrect CHAR(4) value: '\x03\x00\x00\x00x\x9CKJ,\x02\x00\x02]\x016'
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| #
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| # End of 10.2 tests
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| #
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