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Merge sanja.is.com.ua:/home/bell/mysql/mysql-4.1

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into sanja.is.com.ua:/home/bell/mysql/work-distinct-4.1
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bell@sanja.is.com.ua
2002-10-16 00:43:43 +03:00
parent 9bd5f1eadc 21dd4a4dd5
commit 8c547fae57
6 changed files with 116 additions and 45 deletions
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19
sql/sql_parse.cc
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@ -1485,24 +1485,7 @@ mysql_execute_command(THD *thd)
else
thd->send_explain_fields(explain_result);
fix_tables_pointers(select_lex);
for ( SELECT_LEX *sl= select_lex;
sl && res == 0;
sl= sl->next_select_in_list())
{
SELECT_LEX *first= sl->master_unit()->first_select();
res= mysql_explain_select(thd, sl,
((select_lex==sl)?
((sl->next_select_in_list())?"PRIMARY":
"SIMPLE"):
((sl == first)?
((sl->depended)?"DEPENDENT SUBSELECT":
"SUBSELECT"):
((sl->depended)?"DEPENDENT UNION":
"UNION"))),
explain_result);
}
if (res > 0)
res= -res; // mysql_explain_select do not report error
res= mysql_explain_union(thd, &thd->lex.unit, explain_result);
MYSQL_LOCK *save_lock= thd->lock;
thd->lock= (MYSQL_LOCK *)0;
explain_result->send_eof();