diff options
Diffstat (limited to 'user_guide_src')
| -rw-r--r-- | user_guide_src/source/database/query_builder.rst | 37 |
1 files changed, 19 insertions, 18 deletions
diff --git a/user_guide_src/source/database/query_builder.rst b/user_guide_src/source/database/query_builder.rst index 8fb906052..65609c1cb 100644 --- a/user_guide_src/source/database/query_builder.rst +++ b/user_guide_src/source/database/query_builder.rst @@ -345,23 +345,24 @@ if appropriate $this->db->like() ================= -This function enables you to generate **LIKE** clauses, useful for doing +This method enables you to generate **LIKE** clauses, useful for doing searches. -.. note:: All values passed to this function are escaped automatically. +.. note:: All values passed to this method are escaped automatically. #. **Simple key/value method:** :: - $this->db->like('title', 'match'); // Produces: WHERE title LIKE '%match%' + $this->db->like('title', 'match'); + // Produces: WHERE `title` LIKE '%match%' ESCAPE '!' - If you use multiple function calls they will be chained together with + If you use multiple method calls they will be chained together with AND between them:: $this->db->like('title', 'match'); $this->db->like('body', 'match'); - // WHERE title LIKE '%match%' AND body LIKE '%match% + // WHERE `title` LIKE '%match%' ESCAPE '!' AND `body` LIKE '%match% ESCAPE '!' If you want to control where the wildcard (%) is placed, you can use an optional third argument. Your options are 'before', 'after' and @@ -369,9 +370,9 @@ searches. :: - $this->db->like('title', 'match', 'before'); // Produces: WHERE title LIKE '%match' - $this->db->like('title', 'match', 'after'); // Produces: WHERE title LIKE 'match%' - $this->db->like('title', 'match', 'both'); // Produces: WHERE title LIKE '%match%' + $this->db->like('title', 'match', 'before'); // Produces: WHERE `title` LIKE '%match' ESCAPE '!' + $this->db->like('title', 'match', 'after'); // Produces: WHERE `title` LIKE 'match%' ESCAPE '!' + $this->db->like('title', 'match', 'both'); // Produces: WHERE `title` LIKE '%match%' ESCAPE '!' #. **Associative array method:** @@ -379,37 +380,37 @@ searches. $array = array('title' => $match, 'page1' => $match, 'page2' => $match); $this->db->like($array); - // WHERE title LIKE '%match%' AND page1 LIKE '%match%' AND page2 LIKE '%match%' + // WHERE `title` LIKE '%match%' ESCAPE '!' AND `page1` LIKE '%match%' ESCAPE '!' AND `page2` LIKE '%match%' ESCAPE '!' $this->db->or_like() ==================== -This function is identical to the one above, except that multiple +This method is identical to the one above, except that multiple instances are joined by OR:: $this->db->like('title', 'match'); $this->db->or_like('body', $match); - // WHERE title LIKE '%match%' OR body LIKE '%match%' + // WHERE `title` LIKE '%match%' ESCAPE '!' OR `body` LIKE '%match%' ESCAPE '!' -.. note:: or_like() was formerly known as orlike(), which has been removed. +.. note:: ``or_like()`` was formerly known as ``orlike()``, which has been removed. $this->db->not_like() ===================== -This function is identical to **like()**, except that it generates NOT -LIKE statements:: +This method is identical to ``like()``, except that it generates +NOT LIKE statements:: - $this->db->not_like('title', 'match'); // WHERE title NOT LIKE '%match% + $this->db->not_like('title', 'match'); // WHERE `title` NOT LIKE '%match% ESCAPE '!' $this->db->or_not_like() ======================== -This function is identical to **not_like()**, except that multiple +This method is identical to ``not_like()``, except that multiple instances are joined by OR:: $this->db->like('title', 'match'); $this->db->or_not_like('body', 'match'); - // WHERE title LIKE '%match% OR body NOT LIKE '%match%' + // WHERE `title` LIKE '%match% OR `body` NOT LIKE '%match%' ESCAPE '!' $this->db->group_by() ===================== @@ -1054,4 +1055,4 @@ run the query:: $data = $this->db->get()->result_array(); // Would execute and return an array of results of the following query: - // SELECT field1, field1 from mytable where field3 = 5; + // SELECT field1, field1 from mytable where field3 = 5;
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