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New methods

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Item_func::agg_arg_collations()
  Item_func::arr_arg_collations_for_comparison()
 to aggregate argument collations.
It helps to reuse a lot of code.
This commit is contained in:
bar@bar.mysql.r18.ru
2003-07-04 18:12:23 +05:00
parent 110b497cc3
commit 0c2041cfdf
5 changed files with 90 additions and 57 deletions
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6
mysql-test/r/func_str.result
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@ -278,6 +278,12 @@ row('A','b','c') = row('a' COLLATE latin1_bin,'b','c')
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select row('A' COLLATE latin1_general_ci,'b','c') = row('a' COLLATE latin1_bin,'b','c');
ERROR HY000: Illegal mix of collations (latin1_general_ci,EXPLICIT) and (latin1_bin,EXPLICIT) for operation '='
select concat(_latin1'a',_latin2'a');
ERROR HY000: Illegal mix of collations (latin1_swedish_ci,COERCIBLE) and (latin2_general_ci,COERCIBLE) for operation 'concat'
select concat(_latin1'a',_latin2'a',_latin5'a');
ERROR HY000: Illegal mix of collations (latin1_swedish_ci,COERCIBLE), (latin2_general_ci,COERCIBLE), (latin5_turkish_ci,COERCIBLE) for operation 'concat'
select concat(_latin1'a',_latin2'a',_latin5'a',_latin7'a');
ERROR HY000: Illegal mix of collations for operation 'concat'
select FIELD('b','A','B');
FIELD('b','A','B')
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