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Bug#18908: ERROR 1406 (22001): Data too long for column :: using utf8

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Problem: Too confusing error message when cannot convert
between string and column character sets on INSERT and UPDATE.
Fix: producing a better error message, instead of "Data too long"
in such cases
Additional changes: Adding "DROP TABLE IF EXISTS" into several
tests to be safe against failures in previous tests.
This commit is contained in:
bar@mysql.com/bar.intranet.mysql.r18.ru
2006-10-30 10:14:03 +04:00
parent bbf84d6b9e
commit 0e3a1eece7
13 changed files with 402 additions and 147 deletions
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8
sql/sql_string.h
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@ -32,6 +32,14 @@ String *copy_if_not_alloced(String *a,String *b,uint32 arg_length);
uint32 copy_and_convert(char *to, uint32 to_length, CHARSET_INFO *to_cs,
const char *from, uint32 from_length,
CHARSET_INFO *from_cs, uint *errors);
uint32 well_formed_copy_nchars(CHARSET_INFO *to_cs,
char *to, uint to_length,
CHARSET_INFO *from_cs,
const char *from, uint from_length,
uint nchars,
const char **well_formed_error_pos,
const char **cannot_convert_error_pos,
const char **from_end_pos);
class String
{