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| author | purwandi <free6300@gmail.com> | 2011-10-07 05:35:32 +0200 |
|---|---|---|
| committer | purwandi <free6300@gmail.com> | 2011-10-07 05:35:32 +0200 |
| commit | 550b12dd981c6f7736a957392f6aaf28bdef98dd (patch) | |
| tree | c01a5460d3b3ad2649aa0f63efa0cf9ada0106df /user_guide_src/source/database/helpers.rst | |
| parent | 15cec71083f3c3085b2e0d719496b195b7c48474 (diff) | |
| parent | 02db0666a8b4da6a58db0e2f6755143ce1b21971 (diff) | |
Merge branch 'develop' of https://github.com/EllisLab/CodeIgniter into develop
Diffstat (limited to 'user_guide_src/source/database/helpers.rst')
| -rw-r--r-- | user_guide_src/source/database/helpers.rst | 22 |
1 files changed, 16 insertions, 6 deletions
diff --git a/user_guide_src/source/database/helpers.rst b/user_guide_src/source/database/helpers.rst index b0a5ce97b..7ea19e9f6 100644 --- a/user_guide_src/source/database/helpers.rst +++ b/user_guide_src/source/database/helpers.rst @@ -28,7 +28,9 @@ $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:: - echo $this->db->count_all('my_table'); // Produces an integer, like 25 + echo $this->db->count_all('my_table'); + + // Produces an integer, like 25 $this->db->platform() ===================== @@ -51,7 +53,9 @@ $this->db->last_query(); Returns the last query that was run (the query string, not the result). Example:: - $str = $this->db->last_query(); // Produces: SELECT * FROM sometable.... + $str = $this->db->last_query(); + + // Produces: SELECT * FROM sometable.... The following two functions help simplify the process of writing database INSERTs and UPDATEs. @@ -62,14 +66,16 @@ $this->db->insert_string(); This function simplifies the process of writing database inserts. It returns a correctly formatted SQL insert string. Example:: - $data = array('name' => $name, 'email' => $email, 'url' => $url); $str = $this->db->insert_string('table_name', $data); + $data = array('name' => $name, 'email' => $email, 'url' => $url); + + $str = $this->db->insert_string('table_name', $data); The first parameter is the table name, the second is an associative array with the data to be inserted. The above example produces:: INSERT INTO table_name (name, email, url) VALUES ('Rick', 'rick@example.com', 'example.com') -Note: Values are automatically escaped, producing safer queries. +.. note:: Values are automatically escaped, producing safer queries. $this->db->update_string(); ============================ @@ -77,7 +83,11 @@ $this->db->update_string(); This function simplifies the process of writing database updates. It returns a correctly formatted SQL update string. Example:: - $data = array('name' => $name, 'email' => $email, 'url' => $url); $where = "author_id = 1 AND status = 'active'"; $str = $this->db->update_string('table_name', $data, $where); + $data = array('name' => $name, 'email' => $email, 'url' => $url); + + $where = "author_id = 1 AND status = 'active'"; + + $str = $this->db->update_string('table_name', $data, $where); The first parameter is the table name, the second is an associative array with the data to be updated, and the third parameter is the @@ -85,4 +95,4 @@ 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. |