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cleanup: small simplification

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This commit is contained in:
Sergei Golubchik
2018-12-16 18:22:35 +01:00
parent 2ec018b281
commit d13302ff60
1 changed files with 7 additions and 25 deletions
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32
sql/temporary_tables.cc
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@ -1032,39 +1032,21 @@ TABLE *THD::find_temporary_table(const char *key, uint key_length,
/* A matching TMP_TABLE_SHARE is found. */
All_share_tables_list::Iterator tables_it(share->all_tmp_tables);
while ((table= tables_it++))
bool found= false;
while (!found && (table= tables_it++))
{
switch (state)
{
case TMP_TABLE_IN_USE:
if (table->query_id > 0)
{
result= table;
goto done;
}
break;
case TMP_TABLE_NOT_IN_USE:
if (table->query_id == 0)
{
result= table;
goto done;
}
break;
case TMP_TABLE_ANY:
{
result= table;
goto done;
}
break;
default: /* Invalid */
DBUG_ASSERT(0);
goto done;
case TMP_TABLE_IN_USE: found= table->query_id > 0; break;
case TMP_TABLE_NOT_IN_USE: found= table->query_id == 0; break;
case TMP_TABLE_ANY: found= true; break;
}
}
result= table;
break;
}
}
done:
if (locked)
{
DBUG_ASSERT(m_tmp_tables_locked);