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Fix bug #10624 Views with multiple UNION and UNION ALL produce incorrect

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results.

st_select_lex_unit::print() was losing UNION ALL if in statement were present
UNION DISTINCT.


mysql-test/r/view.result:
  Test case for bug #10624  Views with multiple UNION and UNION ALL produce incorrect results.
mysql-test/t/view.test:
  Test case for bug #10624  Views with multiple UNION and UNION ALL produce incorrect results.
sql/sql_lex.cc:
  Fix bug #10624 Views with multiple UNION and UNION ALL produce incorrect results.
This commit is contained in:
unknown
2005-08-15 23:05:05 +04:00
parent a875ceaf64
commit def42df9fe
3 changed files with 28 additions and 1 deletions
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5
sql/sql_lex.cc
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@ -1511,13 +1511,16 @@ bool st_select_lex::setup_ref_array(THD *thd, uint order_group_num)
void st_select_lex_unit::print(String *str)
{
bool union_all= !union_distinct;
for (SELECT_LEX *sl= first_select(); sl; sl= sl->next_select())
{
if (sl != first_select())
{
str->append(" union ", 7);
if (!union_distinct)
if (union_all)
str->append("all ", 4);
else if (union_distinct == sl)
union_all= true;
}
if (sl->braces)
str->append('(');