diff options
| author | Michael Widenius <monty@askmonty.org> | 2012-03-23 18:22:39 +0200 |
|---|---|---|
| committer | Michael Widenius <monty@askmonty.org> | 2012-03-23 18:22:39 +0200 |
| commit | c36bdf1c889539413d5369ae628aff97d044b276 (patch) | |
| tree | d53d59e615088a42a15e4eaae85b20acf6e2fe2a /sql/sql_update.cc | |
| parent | 8e825a2249440e7df0fce0123f6d543b09b29194 (diff) | |
| download | mariadb-git-c36bdf1c889539413d5369ae628aff97d044b276.tar.gz | |
Speedup:
- Don't call update_virtual_fields() if table->vfield is not set
- Don't prealloc memory for in open_tables() as this is very seldom used.
sql/records.cc:
Don't call update_virtual_fields() if table->vfield is not set
sql/sql_base.cc:
Don't prealloc memory for in open_tables() as this is very seldom used.
Don't call update_virtual_fields() if table->vfield is not set
sql/sql_delete.cc:
Don't call update_virtual_fields() if table->vfield is not set
sql/sql_handler.cc:
Don't call update_virtual_fields() if table->vfield is not set
sql/sql_join_cache.cc:
Don't call update_virtual_fields() if table->vfield is not set
Move some frequent values to local variables
sql/sql_table.cc:
Don't call update_virtual_fields() if table->vfield is not set
sql/sql_update.cc:
Don't call update_virtual_fields() if table->vfield is not set
sql/table.cc:
Assert if update_virtual_fields is called with wrong parameters
Diffstat (limited to 'sql/sql_update.cc')
| -rw-r--r-- | sql/sql_update.cc | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/sql/sql_update.cc b/sql/sql_update.cc index a921a87884e..cf03cc597c8 100644 --- a/sql/sql_update.cc +++ b/sql/sql_update.cc @@ -506,7 +506,8 @@ int mysql_update(THD *thd, while (!(error=info.read_record(&info)) && !thd->killed) { - update_virtual_fields(thd, table); + if (table->vfield) + update_virtual_fields(thd, table); thd->examined_row_count++; if (!select || (error= select->skip_record(thd)) > 0) { @@ -621,7 +622,8 @@ int mysql_update(THD *thd, while (!(error=info.read_record(&info)) && !thd->killed) { - update_virtual_fields(thd, table); + if (table->vfield) + update_virtual_fields(thd, table); thd->examined_row_count++; if (!select || select->skip_record(thd) > 0) { |