diff options
| author | Brennan Thompson <brenjt@gmail.com> | 2014-02-14 20:03:57 +0100 |
|---|---|---|
| committer | Brennan Thompson <brenjt@gmail.com> | 2014-02-14 20:03:57 +0100 |
| commit | 6949f95f6e21980f36095490bf38fc8a172dbc0f (patch) | |
| tree | b3141f390acd0051396cda6a3da51c1f98384cca /user_guide_src/source/database/helpers.rst | |
| parent | 68a02a01a086bbb1b8128ea2744439de84873d11 (diff) | |
| parent | 81f036753272391360ba5b64e6dd93c4101a8733 (diff) | |
Merge remote-tracking branch 'upstream/develop' into develop
Conflicts:
system/helpers/form_helper.php
Diffstat (limited to 'user_guide_src/source/database/helpers.rst')
| -rw-r--r-- | user_guide_src/source/database/helpers.rst | 27 |
1 files changed, 14 insertions, 13 deletions
diff --git a/user_guide_src/source/database/helpers.rst b/user_guide_src/source/database/helpers.rst index e8a5ac801..77bf1b5d2 100644 --- a/user_guide_src/source/database/helpers.rst +++ b/user_guide_src/source/database/helpers.rst @@ -3,7 +3,7 @@ Query Helper Functions ###################### $this->db->insert_id() -======================= +====================== The insert ID number when performing database inserts. @@ -12,7 +12,7 @@ The insert ID number when performing database inserts. appropriate sequence to check for the insert id. $this->db->affected_rows() -=========================== +========================== Displays the number of affected rows, when doing "write" type queries (insert, update, etc.). @@ -22,8 +22,8 @@ Displays the number of affected rows, when doing "write" type queries affected rows. By default this hack is enabled but it can be turned off in the database driver file. -$this->db->count_all(); -======================== +$this->db->count_all() +====================== Permits you to determine the number of rows in a particular table. Submit the table name in the first parameter. Example:: @@ -47,8 +47,8 @@ Outputs the database version you are running:: echo $this->db->version(); -$this->db->last_query(); -========================= +$this->db->last_query() +======================= Returns the last query that was run (the query string, not the result). Example:: @@ -57,11 +57,12 @@ Example:: // Produces: SELECT * FROM sometable.... -The following two functions help simplify the process of writing -database INSERTs and UPDATEs. -$this->db->insert_string(); -============================ +.. note:: Disabling the **save_queries** setting in your database + configuration will render this function useless. + +$this->db->insert_string() +========================== This function simplifies the process of writing database inserts. It returns a correctly formatted SQL insert string. Example:: @@ -77,8 +78,8 @@ array with the data to be inserted. The above example produces:: .. note:: Values are automatically escaped, producing safer queries. -$this->db->update_string(); -============================ +$this->db->update_string() +========================== This function simplifies the process of writing database updates. It returns a correctly formatted SQL update string. Example:: @@ -95,4 +96,4 @@ array with the data to be updated, and the third parameter is the UPDATE table_name SET name = 'Rick', email = 'rick@example.com', url = 'example.com' WHERE author_id = 1 AND status = 'active' -.. note:: Values are automatically escaped, producing safer queries. +.. note:: Values are automatically escaped, producing safer queries.
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