Where group

README.md

@@ -147,6 +147,15 @@ notBetween('column', $value, $value2)
 // $value will protected by either using escape or prepare statement
 ```
 
+```php
+// To allow simple grouping of basic $whereConditions,
+// wrap the following around a group of the above comparison
+// expressions within the where( ...$whereConditions) clause
+grouping( eq(key, value, combiner ), eq(key, value, combiner ) )
+// The above will wrap beginning and end grouping in a where statement
+// where required to break down your where clause.
+```
+
 ```php
 // Supply the the whole query string, and placing '?' within
 // With the same number of arguments in an array.

lib/ezFunctions.php

@@ -349,6 +349,14 @@ function where(...$args)
  : false;
  }
 
+ function grouping(...$args)
+{
+ $ezQuery = \getInstance();
+ return ($ezQuery instanceof DatabaseInterface)
+ ? $ezQuery->grouping(...$args)
+ : false;
+ }
+
  function groupBy($groupBy)
 {
  $ezQuery = \getInstance();
@@ -374,7 +382,7 @@ function innerJoin(
  $condition = \EQ
  ){
  $ezQuery = \getInstance();
- return ($ezQuery instanceOf DatabaseInterface)
+ return ($ezQuery instanceof DatabaseInterface)
  ? $ezQuery->innerJoin($leftTable, $rightTable, $leftColumn, $rightColumn, $tableAs, $condition)
  : false;
  }
@@ -388,7 +396,7 @@ function leftJoin(
  $condition = \EQ
  ){
  $ezQuery = \getInstance();
- return ($ezQuery instanceOf DatabaseInterface)
+ return ($ezQuery instanceof DatabaseInterface)
  ? $ezQuery->leftJoin($leftTable, $rightTable, $leftColumn, $rightColumn, $tableAs, $condition)
  : false;
  }
@@ -402,7 +410,7 @@ function rightJoin(
  $condition = \EQ
  ){
  $ezQuery = \getInstance();
- return ($ezQuery instanceOf DatabaseInterface)
+ return ($ezQuery instanceof DatabaseInterface)
  ? $ezQuery->rightJoin($leftTable, $rightTable, $leftColumn, $rightColumn, $tableAs, $condition)
  : false;
  }
@@ -416,7 +424,7 @@ function fullJoin(
  $condition = \EQ
  ){
  $ezQuery = \getInstance();
- return ($ezQuery instanceOf DatabaseInterface)
+ return ($ezQuery instanceof DatabaseInterface)
  ? $ezQuery->fullJoin($leftTable, $rightTable, $leftColumn, $rightColumn, $tableAs, $condition)
  : false;
  }

lib/ezQuery.php

@@ -342,13 +342,16 @@ public function limit($numberOf, $offset = null)
  return 'LIMIT ' . $rows . $value;
  }
 
- private function conditions($key, $condition, $value, $combine)
+ private function conditions($key, $condition, $value, $combine, $extra)
 {
+ $groupStart = (!empty($extra) && $extra === '(') ? $extra : ''
+ $groupEnd = (!empty($extra) && $extra === ')') ? $extra : ''
+
  if ($this->isPrepareOn()){
- $this->whereSQL .= "$key $condition " . \_TAG . " $combine "
+ $this->whereSQL .= "$groupStart $key $condition " . \_TAG . " $groupEnd $combine "
  $this->addPrepare($value);
  } else
- $this->whereSQL .= "$key $condition '" . $this->escape($value) . "' $combine "
+ $this->whereSQL .= "$groupStart $key $condition '" . $this->escape($value) . "' $groupEnd $combine "
  }
 
  private function conditionBetween($key, $condition, $valueOne, $valueTwo, $combine)
@@ -388,8 +391,22 @@ private function conditionIs($key, $condition, $combine)
  $this->whereSQL .= "$key $isCondition NULL $combine "
  }
 
+ private function flattenWhereConditions($whereConditions)
+{
+ $whereConditionsReturn = [];
+ foreach ($whereConditions as $whereCondition){
+ if (!empty($whereCondition[0]) && is_array($whereCondition[0])){
+ $whereConditionsReturn = array_merge($whereConditionsReturn, $this->flattenWhereConditions($whereCondition));
+ } else{
+ $whereConditionsReturn[] = $whereCondition;
+ }
+ }
+ return $whereConditionsReturn;
+ }
+
  private function retrieveConditions($whereConditions)
 {
+ $whereConditions = $this->flattenWhereConditions($whereConditions);
  $whereKey = [];
  $whereValue = [];
  $operator = [];
@@ -408,7 +425,7 @@ private function retrieveConditions($whereConditions)
  $combiner[] = \_AND;
  $extra[] = null;
  } else{
- if (isset($checkFields[0])){
+ if (!empty($checkFields[0])){
  $whereKey[] = $checkFields[0];
  $whereValue[] = (isset($checkFields[2])) ? $checkFields[2] : ''
  $combiner[] = (isset($checkFields[3])) ? $checkFields[3] : \_AND;
@@ -434,12 +451,37 @@ private function processConditions($column, $condition, $value, $valueOrCombine,
  } elseif ((($condition == \_LIKE) || ($condition == \_notLIKE)) && !\preg_match('/[_%?]/', $value)){
  return $this->clearPrepare();
  } else{
- $this->conditions($column, $condition, $value, $valueOrCombine);
+ $this->conditions($column, $condition, $value, $valueOrCombine, $extraCombine);
+ }
+ }
+
+ public function grouping(...$whereConditions)
+{
+ if (empty($whereConditions))
+ return false;
+
+ $whereOrHaving = ($this->isWhere) ? 'WHERE' : 'HAVING'
+
+ if (\is_string($whereConditions[0]) && \strpos($whereConditions[0], $whereOrHaving) !== false)
+ return $whereConditions[0];
+
+ $totalConditions = count($whereConditions) - 1;
+
+ if ($totalConditions > 0){
+
+ if (!in_array('(', $whereConditions[0]))
+ $whereConditions[0][count($whereConditions[0])] = '('
+
+ if (!in_array(')', $whereConditions[$totalConditions]))
+ $whereConditions[$totalConditions][count($whereConditions[$totalConditions])] = ')'
  }
+
+ return $whereConditions;
  }
 
  public function where(...$whereConditions)
 {
+
  if (empty($whereConditions))
  return false;
 

lib/ezQueryInterface.php

@@ -294,6 +294,33 @@ public function orderBy($orderBy, $order);
  */
  public function limit($numberOf, $offset = null);
 
+ /**
+ * Helper adds WHERE grouping to the conditions
+ *
+ * format:
+ * `grouping( comparison(x, y, and) )`
+ *
+ * example:
+ * `grouping( eq(key, value, combiner ), eq(key, value, combiner ) );`
+ *
+ * @param array $whereConditions - In the following format:
+ *
+ * eq('key/Field/Column', $value, _AND), // combine next expression
+ * neq('key/Field/Column', $value, _OR), // will combine next expression again
+ * ne('key/Field/Column', $value), // the default is _AND so will combine next expression
+ * lt('key/Field/Column', $value)
+ * lte('key/Field/Column', $value)
+ * gt('key/Field/Column', $value)
+ * gte('key/Field/Column', $value)
+ * isNull('key/Field/Column')
+ * isNotNull('key/Field/Column')
+ * like('key/Field/Column', '_%')
+ * notLike('key/Field/Column', '_%')
+ *
+ * @return array modified conditions
+ */
+ public function grouping(...$whereConditions);
+
  /**
  * Helper returns an WHERE sql clause string.
  *

tests/pdo/pdo_mysqlTest.php

@@ -265,6 +265,26 @@ public function testSelecting()
  $this->assertEquals(0, $this->object->query('DROP TABLE unit_test'));
  }
 
+ public function testWhereGrouping()
+{
+ $this->assertTrue($this->object->connect('mysql:host=' . self::TEST_DB_HOST . 'dbname=' . self::TEST_DB_NAME . 'port=' . self::TEST_DB_PORT, self::TEST_DB_USER, self::TEST_DB_PASSWORD));
+ $this->object->query('CREATE TABLE unit_test(id integer, test_key varchar(50), active tinyint(1), PRIMARY KEY (ID))');
+ $this->object->insert('unit_test', array('id' => '1', 'test_key' => 'testing 1', 'active' => 1));
+ $this->object->insert('unit_test', array('id' => '2', 'test_key' => 'testing 2', 'active' => 0));
+ $this->object->insert('unit_test', array('id' => '3', 'test_key' => 'testing 3', 'active' => 1));
+ $this->object->insert('unit_test', array('id' => '4', 'test_key' => 'testing 4', 'active' => 1));
+
+ $result = $this->object->selecting('unit_test', '*', where(eq('active', '1'), grouping(like('test_key', '%1%', _OR), like('test_key', '%3%'))));
+ $i = 1;
+ foreach ($result as $row){
+ $this->assertEquals($i, $row->id);
+ $this->assertEquals('testing ' . $i, $row->test_key);
+ $i = $i + 2;
+ }
+
+ $this->assertEquals(0, $this->object->query('DROP TABLE unit_test'));
+ }
+
  public function testJoins()
 {
  $this->assertTrue($this->object->connect('mysql:host=' . self::TEST_DB_HOST . 'dbname=' . self::TEST_DB_NAME . 'port=' . self::TEST_DB_PORT, self::TEST_DB_USER, self::TEST_DB_PASSWORD));

tests/pdo/pdo_pgsqlTest.php

@@ -189,6 +189,24 @@ public function testSelecting()
  }
  }
 
+ public function testWhereGrouping()
+{
+ $this->assertTrue($this->object->connect('pgsql:host=' . self::TEST_DB_HOST . 'dbname=' . self::TEST_DB_NAME . 'port=' . self::TEST_DB_PORT, self::TEST_DB_USER, self::TEST_DB_PASSWORD));
+ $this->object->query('CREATE TABLE unit_test(id integer, test_key varchar(50), active tinyint(1), PRIMARY KEY (ID))');
+ $this->object->insert('unit_test', array('id' => '1', 'test_key' => 'testing 1', 'active' => 1));
+ $this->object->insert('unit_test', array('id' => '2', 'test_key' => 'testing 2', 'active' => 0));
+ $this->object->insert('unit_test', array('id' => '3', 'test_key' => 'testing 3', 'active' => 1));
+ $this->object->insert('unit_test', array('id' => '4', 'test_key' => 'testing 4', 'active' => 1));
+
+ $result = $this->object->selecting('unit_test', '*', where(eq('active', '1'), grouping(like('test_key', '%1%', _OR), like('test_key', '%3%'))));
+ $i = 1;
+ foreach ($result as $row){
+ $this->assertEquals($i, $row->id);
+ $this->assertEquals('testing ' . $i, $row->test_key);
+ $i = $i + 2;
+ }
+ }
+
  public function testJoins()
 {
  $this->assertTrue($this->object->connect('pgsql:host=' . self::TEST_DB_HOST . 'dbname=' . self::TEST_DB_NAME . 'port=' . self::TEST_DB_PORT, self::TEST_DB_USER, self::TEST_DB_PASSWORD));

tests/pdo/pdo_sqliteTest.php

@@ -216,6 +216,26 @@ public function testSelecting()
  $this->assertEquals(1, $this->object->query('DROP TABLE unit_test'));
  }
 
+ public function testWhereGrouping()
+{
+ $this->assertTrue($this->object->connect('sqlite:' . self::TEST_SQLITE_DB, '', '', array(), true));
+ $this->object->query('CREATE TABLE unit_test(id integer, test_key varchar(50), active tinyint(1), PRIMARY KEY (ID))');
+ $this->object->insert('unit_test', array('id' => '1', 'test_key' => 'testing 1', 'active' => 1));
+ $this->object->insert('unit_test', array('id' => '2', 'test_key' => 'testing 2', 'active' => 0));
+ $this->object->insert('unit_test', array('id' => '3', 'test_key' => 'testing 3', 'active' => 1));
+ $this->object->insert('unit_test', array('id' => '4', 'test_key' => 'testing 4', 'active' => 1));
+
+ $result = $this->object->selecting('unit_test', '*', where(eq('active', '1'), grouping(like('test_key', '%1%', _OR), like('test_key', '%3%'))));
+ $i = 1;
+ foreach ($result as $row){
+ $this->assertEquals($i, $row->id);
+ $this->assertEquals('testing ' . $i, $row->test_key);
+ $i = $i + 2;
+ }
+
+ $this->assertEquals(1, $this->object->query('DROP TABLE unit_test'));
+ }
+
  public function testJoins()
 {
  $this->assertTrue($this->object->connect('sqlite:' . self::TEST_SQLITE_DB, '', '', array(), true));

tests/pdo/pdo_sqlsrvTest.php

@@ -193,6 +193,24 @@ public function testSelecting()
  }
  }
 
+ public function testWhereGrouping()
+{
+ $this->assertTrue($this->object->connect('sqlsrv:Server=' . self::TEST_DB_HOST . 'Database=' . self::TEST_DB_NAME, self::TEST_DB_USER, self::TEST_DB_PASSWORD));
+ $this->object->query('CREATE TABLE unit_test(id integer, test_key varchar(50), active tinyint(1), PRIMARY KEY (ID))');
+ $this->object->insert('unit_test', array('id' => '1', 'test_key' => 'testing 1', 'active' => 1));
+ $this->object->insert('unit_test', array('id' => '2', 'test_key' => 'testing 2', 'active' => 0));
+ $this->object->insert('unit_test', array('id' => '3', 'test_key' => 'testing 3', 'active' => 1));
+ $this->object->insert('unit_test', array('id' => '4', 'test_key' => 'testing 4', 'active' => 1));
+
+ $result = $this->object->selecting('unit_test', '*', where(eq('active', '1'), grouping(like('test_key', '%1%', _OR), like('test_key', '%3%'))));
+ $i = 1;
+ foreach ($result as $row){
+ $this->assertEquals($i, $row->id);
+ $this->assertEquals('testing ' . $i, $row->test_key);
+ $i = $i + 2;
+ }
+ }
+
  public function testJoins()
 {
  $this->assertTrue($this->object->connect('sqlsrv:Server=' . self::TEST_DB_HOST . 'Database=' . self::TEST_DB_NAME, self::TEST_DB_USER, self::TEST_DB_PASSWORD));