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Fixed bug #32533.

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8bit escape characters, termination and enclosed characters
were silently ignored by SELECT INTO query, but LOAD DATA INFILE
algorithm is 8bit-clean, so data was corrupted during 
encoding.
This commit is contained in:
gshchepa/uchum@gleb.loc
2007-11-20 20:15:20 +04:00
parent 7b38492a4c
commit 351d9f66d3
3 changed files with 52 additions and 7 deletions
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17
sql/sql_class.cc
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@ -1219,16 +1219,18 @@ select_export::prepare(List<Item> &list, SELECT_LEX_UNIT *u)
}
}
field_term_length=exchange->field_term->length();
field_term_char= field_term_length ? (*exchange->field_term)[0] : INT_MAX;
field_term_char= field_term_length ?
(int) (uchar) (*exchange->field_term)[0] : INT_MAX;
if (!exchange->line_term->length())
exchange->line_term=exchange->field_term; // Use this if it exists
field_sep_char= (exchange->enclosed->length() ? (*exchange->enclosed)[0] :
field_term_char);
escape_char= (exchange->escaped->length() ? (*exchange->escaped)[0] : -1);
field_sep_char= (exchange->enclosed->length() ?
(int) (uchar) (*exchange->enclosed)[0] : field_term_char);
escape_char= (exchange->escaped->length() ?
(int) (uchar) (*exchange->escaped)[0] : -1);
is_ambiguous_field_sep= test(strchr(ESCAPE_CHARS, field_sep_char));
is_unsafe_field_sep= test(strchr(NUMERIC_CHARS, field_sep_char));
line_sep_char= (exchange->line_term->length() ?
(*exchange->line_term)[0] : INT_MAX);
(int) (uchar) (*exchange->line_term)[0] : INT_MAX);
if (!field_term_length)
exchange->opt_enclosed=0;
if (!exchange->enclosed->length())
@ -1385,10 +1387,11 @@ bool select_export::send_data(List<Item> &items)
Don't escape field_term_char by doubling - doubling is only
valid for ENCLOSED BY characters:
*/
(enclosed || !is_ambiguous_field_term || *pos != field_term_char))
(enclosed || !is_ambiguous_field_term ||
(int) (uchar) *pos != field_term_char))
{
char tmp_buff[2];
tmp_buff[0]= ((int) *pos == field_sep_char &&
tmp_buff[0]= ((int) (uchar) *pos == field_sep_char &&
is_ambiguous_field_sep) ?
field_sep_char : escape_char;
tmp_buff[1]= *pos ? *pos : '0';