diff options
Diffstat (limited to 'railties')
| -rw-r--r-- | railties/guides/source/active_record_querying.textile | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/railties/guides/source/active_record_querying.textile b/railties/guides/source/active_record_querying.textile index a132d85ef9..8526d8511b 100644 --- a/railties/guides/source/active_record_querying.textile +++ b/railties/guides/source/active_record_querying.textile @@ -1287,19 +1287,19 @@ User.where(:id => 1).joins(:posts).explain may yield <plain> -+----+-------------+-------+-------+---------------+---------+---------+-------+------+-------------+ +<plus>----<plus>-------------<plus>-------<plus>-------<plus>---------------<plus>---------<plus>---------<plus>-------<plus>------<plus>-------------<plus> | id | select_type | table | type | possible_keys | key | key_len | ref | rows | Extra | -+----+-------------+-------+-------+---------------+---------+---------+-------+------+-------------+ +<plus>----<plus>-------------<plus>-------<plus>-------<plus>---------------<plus>---------<plus>---------<plus>-------<plus>------<plus>-------------<plus> | 1 | SIMPLE | users | const | PRIMARY | PRIMARY | 4 | const | 1 | | | 1 | SIMPLE | posts | ALL | NULL | NULL | NULL | NULL | 1 | Using where | -+----+-------------+-------+-------+---------------+---------+---------+-------+------+-------------+ +<plus>----<plus>-------------<plus>-------<plus>-------<plus>---------------<plus>---------<plus>---------<plus>-------<plus>------<plus>-------------<plus> 2 rows in set (0.00 sec) </plain> under MySQL. Active Record performs a pretty printing that emulates the one of the database -shells. So, the same query running with the PostreSQL adapter would yield instead +shells. So, the same query running with the PostgreSQL adapter would yield instead <plain> QUERY PLAN @@ -1324,17 +1324,17 @@ User.where(:id => 1).includes(:posts).explain yields <plain> -+----+-------------+-------+-------+---------------+---------+---------+-------+------+------- +<plus>----<plus>-------------<plus>-------<plus>-------<plus>---------------<plus>---------<plus>---------<plus>-------<plus>------<plus>------- | id | select_type | table | type | possible_keys | key | key_len | ref | rows | Extra | -+----+-------------+-------+-------+---------------+---------+---------+-------+------+------- +<plus>----<plus>-------------<plus>-------<plus>-------<plus>---------------<plus>---------<plus>---------<plus>-------<plus>------<plus>------- | 1 | SIMPLE | users | const | PRIMARY | PRIMARY | 4 | const | 1 | | -+----+-------------+-------+-------+---------------+---------+---------+-------+------+------- +<plus>----<plus>-------------<plus>-------<plus>-------<plus>---------------<plus>---------<plus>---------<plus>-------<plus>------<plus>------- 1 row in set (0.00 sec) -+----+-------------+-------+------+---------------+------+---------+------+------+------------- +<plus>----<plus>-------------<plus>-------<plus>------<plus>---------------<plus>------<plus>---------<plus>------<plus>------<plus>------------- | id | select_type | table | type | possible_keys | key | key_len | ref | rows | Extra | -+----+-------------+-------+------+---------------+------+---------+------+------+------------- +<plus>----<plus>-------------<plus>-------<plus>------<plus>---------------<plus>------<plus>---------<plus>------<plus>------<plus>------------- | 1 | SIMPLE | posts | ALL | NULL | NULL | NULL | NULL | 1 | Using where | -+----+-------------+-------+------+---------------+------+---------+------+------+------------- +<plus>----<plus>-------------<plus>-------<plus>------<plus>---------------<plus>------<plus>---------<plus>------<plus>------<plus>------------- 1 row in set (0.00 sec) </plain> |