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Fixed probelm with count(*) and normal functions when no matchin rows.

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Changed 'lib' to 'master-data'
Fix for slow slaves
This commit is contained in:
monty@donna.mysql.fi
2001-04-21 17:12:59 +03:00
parent 0f37b1244b
commit 1e3df575b9
11 changed files with 48 additions and 10 deletions
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9
sql/sql_select.cc
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@@ -4643,7 +4643,11 @@ end_send_group(JOIN *join, JOIN_TAB *join_tab __attribute__((unused)),
else
{
if (!join->first_record)
{
/* No matching rows for group function */
clear_tables(join);
copy_fields(&join->tmp_table_param);
}
if (join->having && join->having->val_int() == 0)
error= -1; // Didn't satisfy having
else
@@ -4875,7 +4879,11 @@ end_write_group(JOIN *join, JOIN_TAB *join_tab __attribute__((unused)),
if (idx < (int) join->send_group_parts)
{
if (!join->first_record)
{
/* No matching rows for group function */
clear_tables(join);
copy_fields(&join->tmp_table_param);
}
copy_sum_funcs(join->sum_funcs);
if (!join->having || join->having->val_int())
{
@@ -4899,7 +4907,6 @@ end_write_group(JOIN *join, JOIN_TAB *join_tab __attribute__((unused)),
}
if (idx < (int) join->send_group_parts)
{
copy_fields(&join->tmp_table_param);
copy_funcs(join->tmp_table_param.funcs);
init_sum_functions(join->sum_funcs);
if (join->procedure)