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Bug#53334 Incorrect result for InnoDB in LEFT JOIN with impossible condition

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The fix actually reverts the change introduced
by the patch for bug 51494.
The fact is that patches for bugs 52177&48419
fix bugs 51194&50575 as well.



mysql-test/r/innodb_mysql.result:
  test case
mysql-test/t/innodb_mysql.test:
  test case
sql/sql_select.cc:
  reverted wrong fix for bug 51494
This commit is contained in:
Sergey Glukhov
2010-05-07 10:38:42 +05:00
parent bd2a517b23
commit 278ae9a8d5
3 changed files with 61 additions and 2 deletions
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3
sql/sql_select.cc
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@ -2967,8 +2967,7 @@ make_join_statistics(JOIN *join, TABLE_LIST *tables_arg, COND *conds,
s->quick=select->quick;
s->needed_reg=select->needed_reg;
select->quick=0;
if (records == 0 && s->table->reginfo.impossible_range &&
(s->table->file->ha_table_flags() & HA_STATS_RECORDS_IS_EXACT))
if (records == 0 && s->table->reginfo.impossible_range)
{
/*
Impossible WHERE or ON expression