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fix markups for plus in AR guide

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This commit is contained in:
Vijay Dev
2011-11-06 18:58:55 +05:30
parent 17947cebc0
commit 8750c9a1cf
1 changed files with 10 additions and 10 deletions
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20
railties/guides/source/active_record_querying.textile
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@@ -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>