| Method | Description | Defined By |
|---|---|---|
| __construct() | ExpressionBuilderTrait constructor. | yii\db\ExpressionBuilderTrait |
| build() | Method builds the raw SQL from the $expression that will not be additionally escaped or quoted. | yii\db\conditions\LikeConditionBuilder |
| Method | Description | Defined By |
|---|---|---|
| parseOperator() | yii\db\conditions\LikeConditionBuilder |
Character used to escape special characters in LIKE conditions.
By default it's assumed to be \.
{@inheritdoc}
Defined in: yii\db\ExpressionBuilderTrait::__construct()
ExpressionBuilderTrait constructor.
public function __construct(QueryBuilder $queryBuilder)
{
$this->queryBuilder = $queryBuilder;
}
Defined in: yii\db\conditions\LikeConditionBuilder::build()
Method builds the raw SQL from the $expression that will not be additionally escaped or quoted.
| public string build ( yii\db\ExpressionInterface $expression, array &$params = [] ) | ||
| $expression | yii\db\ExpressionInterface|yii\db\conditions\LikeCondition |
The expression to be built. |
| $params | array |
The binding parameters. |
| return | string |
The raw SQL that will not be additionally escaped or quoted. |
|---|---|---|
public function build(ExpressionInterface $expression, array &$params = [])
{
$operator = strtoupper($expression->getOperator());
$column = $expression->getColumn();
$values = $expression->getValue();
$escape = $expression->getEscapingReplacements();
if ($escape === null || $escape === []) {
$escape = $this->escapingReplacements;
}
list($andor, $not, $operator) = $this->parseOperator($operator);
if (!is_array($values)) {
$values = [$values];
}
if (empty($values)) {
return $not ? '' : '0=1';
}
if ($column instanceof ExpressionInterface) {
$column = $this->queryBuilder->buildExpression($column, $params);
} elseif (is_string($column) && strpos($column, '(') === false) {
$column = $this->queryBuilder->db->quoteColumnName($column);
}
$escapeSql = $this->getEscapeSql();
$parts = [];
foreach ($values as $value) {
if ($value instanceof ExpressionInterface) {
$phName = $this->queryBuilder->buildExpression($value, $params);
} else {
$phName = $this->queryBuilder->bindParam(empty($escape) ? $value : ('%' . strtr((string)$value, $escape) . '%'), $params);
}
$parts[] = "{$column} {$operator} {$phName}{$escapeSql}";
}
return implode($andor, $parts);
}
protected function parseOperator($operator)
{
if (!preg_match('/^(AND |OR |)(((NOT |))I?LIKE)/', $operator, $matches)) {
throw new InvalidArgumentException("Invalid operator '$operator'.");
}
$andor = ' ' . (!empty($matches[1]) ? $matches[1] : 'AND ');
$not = !empty($matches[3]);
$operator = $matches[2];
return [$andor, $not, $operator];
}