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<?php |
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declare(strict_types=1); |
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namespace Doctrine\DBAL\Driver\SQLAnywhere; |
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use Doctrine\DBAL\Driver\Statement; |
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use Doctrine\DBAL\Driver\StatementIterator; |
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use Doctrine\DBAL\Exception\GetVariableType; |
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use Doctrine\DBAL\FetchMode; |
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use Doctrine\DBAL\ParameterType; |
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use IteratorAggregate; |
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use function array_key_exists; |
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use function assert; |
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use function is_int; |
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use function is_resource; |
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use function sasql_fetch_array; |
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use function sasql_fetch_assoc; |
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use function sasql_fetch_row; |
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use function sasql_prepare; |
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use function sasql_stmt_affected_rows; |
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use function sasql_stmt_bind_param_ex; |
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use function sasql_stmt_execute; |
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use function sasql_stmt_field_count; |
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use function sasql_stmt_reset; |
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use function sasql_stmt_result_metadata; |
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use function sprintf; |
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use const SASQL_BOTH; |
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/** |
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* SAP SQL Anywhere implementation of the Statement interface. |
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*/ |
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final class SQLAnywhereStatement implements IteratorAggregate, Statement |
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{ |
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/** @var resource The connection resource. */ |
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private $conn; |
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/** @var int Default fetch mode to use. */ |
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private $defaultFetchMode = FetchMode::MIXED; |
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/** @var resource|null The result set resource to fetch. */ |
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private $result; |
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/** @var resource The prepared SQL statement to execute. */ |
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private $stmt; |
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/** @var mixed[] The references to bound parameter values. */ |
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private $boundValues = []; |
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/** |
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* Prepares given statement for given connection. |
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* |
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* @param resource $conn The connection resource to use. |
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* @param string $sql The SQL statement to prepare. |
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* |
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* @throws SQLAnywhereException |
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*/ |
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public function __construct($conn, string $sql) |
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{ |
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if (! is_resource($conn)) { |
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throw new SQLAnywhereException(sprintf( |
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'Invalid SQL Anywhere connection resource, %s given.', |
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(new GetVariableType())->__invoke($conn) |
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)); |
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} |
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$this->conn = $conn; |
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$this->stmt = sasql_prepare($conn, $sql); |
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if (! is_resource($this->stmt)) { |
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throw SQLAnywhereException::fromSQLAnywhereError($conn); |
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} |
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} |
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/** |
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* {@inheritdoc} |
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* |
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* @throws SQLAnywhereException |
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*/ |
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public function bindParam($param, &$variable, int $type = ParameterType::STRING, ?int $length = null) : void |
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{ |
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assert(is_int($param)); |
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switch ($type) { |
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case ParameterType::INTEGER: |
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case ParameterType::BOOLEAN: |
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$type = 'i'; |
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break; |
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case ParameterType::LARGE_OBJECT: |
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$type = 'b'; |
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break; |
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case ParameterType::NULL: |
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case ParameterType::STRING: |
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case ParameterType::BINARY: |
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$type = 's'; |
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break; |
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default: |
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throw new SQLAnywhereException(sprintf('Unknown type %d.', $type)); |
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} |
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$this->boundValues[$param] =& $variable; |
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if (! sasql_stmt_bind_param_ex($this->stmt, $param - 1, $variable, $type, $variable === null)) { |
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throw SQLAnywhereException::fromSQLAnywhereError($this->conn, $this->stmt); |
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} |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function bindValue($param, $value, int $type = ParameterType::STRING) : void |
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{ |
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$this->bindParam($param, $value, $type); |
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} |
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public function closeCursor() : void |
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{ |
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sasql_stmt_reset($this->stmt); |
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} |
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public function columnCount() : int |
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{ |
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return sasql_stmt_field_count($this->stmt); |
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} |
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/** |
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* {@inheritdoc} |
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* |
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* @throws SQLAnywhereException |
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*/ |
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public function execute(?array $params = null) : void |
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{ |
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if ($params !== null) { |
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$hasZeroIndex = array_key_exists(0, $params); |
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foreach ($params as $key => $val) { |
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if ($hasZeroIndex && is_int($key)) { |
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$this->bindValue($key + 1, $val); |
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} else { |
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$this->bindValue($key, $val); |
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} |
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} |
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} |
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if (! sasql_stmt_execute($this->stmt)) { |
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throw SQLAnywhereException::fromSQLAnywhereError($this->conn, $this->stmt); |
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} |
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$this->result = sasql_stmt_result_metadata($this->stmt); |
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} |
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/** |
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* {@inheritdoc} |
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* |
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* @throws SQLAnywhereException |
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*/ |
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public function fetch(?int $fetchMode = null) |
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{ |
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if (! is_resource($this->result)) { |
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return false; |
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} |
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$fetchMode = $fetchMode ?? $this->defaultFetchMode; |
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switch ($fetchMode) { |
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case FetchMode::COLUMN: |
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return $this->fetchColumn(); |
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case FetchMode::ASSOCIATIVE: |
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return sasql_fetch_assoc($this->result); |
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case FetchMode::MIXED: |
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return sasql_fetch_array($this->result, SASQL_BOTH); |
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case FetchMode::NUMERIC: |
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return sasql_fetch_row($this->result); |
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default: |
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throw new SQLAnywhereException(sprintf('Fetch mode is not supported %d.', $fetchMode)); |
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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 fetchAll(?int $fetchMode = null) : array |
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{ |
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$rows = []; |
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switch ($fetchMode) { |
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case FetchMode::COLUMN: |
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while (($row = $this->fetchColumn()) !== false) { |
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$rows[] = $row; |
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} |
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break; |
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default: |
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while (($row = $this->fetch($fetchMode)) !== false) { |
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$rows[] = $row; |
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} |
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} |
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return $rows; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function fetchColumn() |
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{ |
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$row = $this->fetch(FetchMode::NUMERIC); |
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if ($row === false) { |
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return false; |
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} |
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return $row[0]; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getIterator() |
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{ |
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return new StatementIterator($this); |
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} |
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public function rowCount() : int |
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{ |
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return sasql_stmt_affected_rows($this->stmt); |
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} |
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public function setFetchMode(int $fetchMode) : void |
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{ |
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$this->defaultFetchMode = $fetchMode; |
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} |
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} |
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