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<?php |
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namespace Wandu\Database\Query; |
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use Traversable; |
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use Wandu\Database\Contracts\ExpressionInterface; |
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use Wandu\Database\Contracts\QueryInterface; |
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use Wandu\Database\Support\Helper; |
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class InsertQuery implements QueryInterface |
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{ |
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/** @var string */ |
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protected $table; |
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/** @var array */ |
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protected $values = []; |
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/** |
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* @param string $table |
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* @param array|\Traversable $values |
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*/ |
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public function __construct($table, $values = []) |
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{ |
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$this->table = $table; |
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if (is_array($values)) { |
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$this->values = $values; |
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} elseif ($values instanceof Traversable) { |
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$this->values = iterator_to_array($values); |
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} else { |
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$this->values = []; |
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} |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function toSql() |
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{ |
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$valuesList = $this->values; |
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if (array_values($valuesList) !== $valuesList) { |
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$valuesList = [$valuesList]; |
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} |
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$fields = array_keys($valuesList[0]); // fields |
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$sqlPartValuesList = []; |
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foreach ($valuesList as $values) { |
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$sqlPartValues = []; |
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foreach ($fields as $field) { |
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$value = $values[$field] ?? null; |
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if ($value instanceof ExpressionInterface) { |
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$sqlPartValues[] = $value->toSql(); |
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} else { |
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$sqlPartValues[] = '?'; |
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} |
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} |
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$sqlPartValuesList[] = implode(", ", $sqlPartValues); |
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} |
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$sql = "INSERT INTO `{$this->table}`(`". implode("`, `", array_values($fields)) . "`)" |
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." VALUES " . Helper::arrayImplode(", ", $sqlPartValuesList, '(', ')'); |
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return $sql; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getBindings() |
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{ |
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$valuesList = $this->values; |
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if (array_values($valuesList) !== $valuesList) { |
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$valuesList = [$valuesList]; |
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} |
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$fields = array_keys($valuesList[0]); |
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$bindings = []; |
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foreach ($valuesList as $values) { |
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foreach ($fields as $field) { |
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$value = $values[$field] ?? null; |
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if ($value instanceof ExpressionInterface) { |
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$bindings = array_merge($bindings, $value->getBindings()); |
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} else { |
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$bindings[] = $value; |
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} |
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} |
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} |
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return $bindings; |
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} |
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} |
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Wandu /
Framework
