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Merge bk-internal.mysql.com:/home/bk/mysql-4.1

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into  mysql.com:/home/my/mysql-4.1


sql/sql_select.cc:
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unknown
2006-01-10 18:03:54 +02:00
parent 29818203eb ce221a703c
commit 159eaf4f0a
2 changed files with 15 additions and 29 deletions
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9
sql/sql_select.cc
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@@ -5292,7 +5292,14 @@ create_tmp_table(THD *thd,TMP_TABLE_PARAM *param,List<Item> &fields,
*(reg_field++) =new_field;
}
if (!--hidden_field_count)
{
hidden_null_count=null_count;
/*
We need to update hidden_field_count as we may have stored group
functions with constant arguments
*/
param->hidden_field_count= (uint) (reg_field - table->field);
}
}
DBUG_ASSERT(field_count >= (uint) (reg_field - table->field));
field_count= (uint) (reg_field - table->field);
@@ -5488,7 +5495,7 @@ create_tmp_table(THD *thd,TMP_TABLE_PARAM *param,List<Item> &fields,
}
}
if (distinct)
if (distinct && field_count != param->hidden_field_count)
{
/*
Create an unique key or an unique constraint over all columns