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Coercibility tests for

- equal predicate
  - LIKE predicate
  - strcmp() function
This commit is contained in:
bar@bar.mysql.r18.ru
2003-06-10 15:25:27 +05:00
parent 3d08cfecd4
commit 2ba654fda0
2 changed files with 92 additions and 0 deletions

View File

@@ -52,6 +52,63 @@ select 10 % 7, 10 mod 7, 10 div 3;
select (1 << 64)-1, ((1 << 64)-1) DIV 1, ((1 << 64)-1) DIV 2;
(1 << 64)-1 ((1 << 64)-1) DIV 1 ((1 << 64)-1) DIV 2
18446744073709551615 18446744073709551615 9223372036854775807
select _koi8r'a' = _koi8r'A';
_koi8r'a' = _koi8r'A'
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select _koi8r'a' = _koi8r'A' COLLATE koi8r_general_ci;
_koi8r'a' = _koi8r'A' COLLATE koi8r_general_ci
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select _koi8r'a' = _koi8r'A' COLLATE koi8r_bin;
_koi8r'a' = _koi8r'A' COLLATE koi8r_bin
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select _koi8r'a' COLLATE koi8r_general_ci = _koi8r'A';
_koi8r'a' COLLATE koi8r_general_ci = _koi8r'A'
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select _koi8r'a' COLLATE koi8r_bin = _koi8r'A';
_koi8r'a' COLLATE koi8r_bin = _koi8r'A'
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select _koi8r'a' COLLATE koi8r_bin = _koi8r'A' COLLATE koi8r_general_ci;
ERROR HY000: Illegal mix of collations (koi8r_bin,EXPLICIT) and (koi8r_general_ci,EXPLICIT) for operation '='
select _koi8r'a' = _latin1'A';
ERROR HY000: Illegal mix of collations (koi8r_general_ci,COERCIBLE) and (latin1_swedish_ci,COERCIBLE) for operation '='
select strcmp(_koi8r'a', _koi8r'A');
strcmp(_koi8r'a', _koi8r'A')
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select strcmp(_koi8r'a', _koi8r'A' COLLATE koi8r_general_ci);
strcmp(_koi8r'a', _koi8r'A' COLLATE koi8r_general_ci)
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select strcmp(_koi8r'a', _koi8r'A' COLLATE koi8r_bin);
strcmp(_koi8r'a', _koi8r'A' COLLATE koi8r_bin)
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select strcmp(_koi8r'a' COLLATE koi8r_general_ci, _koi8r'A');
strcmp(_koi8r'a' COLLATE koi8r_general_ci, _koi8r'A')
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select strcmp(_koi8r'a' COLLATE koi8r_bin, _koi8r'A');
strcmp(_koi8r'a' COLLATE koi8r_bin, _koi8r'A')
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select strcmp(_koi8r'a' COLLATE koi8r_general_ci, _koi8r'A' COLLATE koi8r_bin);
ERROR HY000: Illegal mix of collations (koi8r_general_ci,EXPLICIT) and (koi8r_bin,EXPLICIT) for operation 'strcmp'
select strcmp(_koi8r'a', _latin1'A');
ERROR HY000: Illegal mix of collations (koi8r_general_ci,COERCIBLE) and (latin1_swedish_ci,COERCIBLE) for operation 'strcmp'
select _koi8r'a' LIKE _koi8r'A';
_koi8r'a' LIKE _koi8r'A'
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select _koi8r'a' LIKE _koi8r'A' COLLATE koi8r_general_ci;
_koi8r'a' LIKE _koi8r'A' COLLATE koi8r_general_ci
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select _koi8r'a' LIKE _koi8r'A' COLLATE koi8r_bin;
_koi8r'a' LIKE _koi8r'A' COLLATE koi8r_bin
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select _koi8r'a' COLLATE koi8r_general_ci LIKE _koi8r'A';
_koi8r'a' COLLATE koi8r_general_ci LIKE _koi8r'A'
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select _koi8r'a' COLLATE koi8r_bin LIKE _koi8r'A';
_koi8r'a' COLLATE koi8r_bin LIKE _koi8r'A'
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select _koi8r'a' COLLATE koi8r_general_ci LIKE _koi8r'A' COLLATE koi8r_bin;
ERROR HY000: Illegal mix of collations (koi8r_general_ci,EXPLICIT) and (koi8r_bin,EXPLICIT) for operation 'like'
select _koi8r'a' LIKE _latin1'A';
ERROR HY000: Illegal mix of collations (koi8r_general_ci,COERCIBLE) and (latin1_swedish_ci,COERCIBLE) for operation 'like'
select 5 between 0 and 10 between 0 and 1,(5 between 0 and 10) between 0 and 1;
5 between 0 and 10 between 0 and 1 (5 between 0 and 10) between 0 and 1
0 1