78 lines
2.4 KiB
PHP
78 lines
2.4 KiB
PHP
<?php
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namespace nur\m\pdo;
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use nur\b\IllegalAccessException;
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use nur\m\base\OneRowIterator;
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use nur\m\base\Query;
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use nur\m\IQuery;
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use nur\m\IRowIncarnation;
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use nur\m\IRowIterator;
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class PdoQuery extends Query {
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/** @var PdoConn */
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protected $conn;
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protected function newRowIncarnation(): IRowIncarnation {
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return new PdoRowIncarnation();
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}
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protected function newRowIterator(?string $sql, ?array &$bindings=null, ?IRowIncarnation $incarnation=null): IRowIterator {
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return new PdoRowIterator($this->conn, $sql, $bindings, $incarnation);
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}
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function __construct(PdoConn $conn, $sql=null, ?array $filter=null, ?IRowIncarnation $incarnation=null) {
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$this->conn = $conn;
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if ($incarnation === null) $incarnation = $this->newRowIncarnation();
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$this->setIncarnation($incarnation);
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$this->select($sql, $filter);
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}
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protected function _execute(bool $commit): IRowIterator {
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$sql = $this->validateFilter();
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if ($sql === null) $sql = $this->sql;
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$incarnation = $this->incarnation;
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switch ($this->type) {
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case self::TYPE_SELECT:
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$incarnation->createBindings($bindings, $this->filter);
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return $this->newRowIterator($sql, $bindings, $incarnation);
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case self::TYPE_UPDATE;
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$incarnation->createBindings($bindings, $this->filter, $this->row, $this->results);
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$incarnation->prepareBindings($bindings);
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["num_rows" => $numRows
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] = $this->conn->_execute($sql, $bindings, PdoConn::EXECUTE_PARAMS_DML_UPDATE);
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$incarnation->loadResults($this->results, $bindings);
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if ($commit) $this->commit();
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return new OneRowIterator([
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"num_rows" => $numRows,
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]);
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case self::TYPE_INSERT:
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$incarnation->createBindings($bindings, $this->filter, $this->row, $this->results);
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$incarnation->prepareBindings($bindings);
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["insert_id" => $insertId
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] = $this->conn->_execute($sql, $bindings, PdoConn::EXECUTE_PARAMS_DML_INSERT);
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$incarnation->loadResults($this->results, $bindings);
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if ($commit) $this->commit();
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return new OneRowIterator([
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"insert_id" => $insertId,
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]);
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default:
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throw IllegalAccessException::unexpected_state();
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}
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}
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function beginTransaction(): IQuery {
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$this->conn->beginTransaction();
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return $this;
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}
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function commit(): IQuery {
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$this->conn->commit();
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return $this;
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}
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function rollback(): IQuery {
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$this->conn->rollback();
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return $this;
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}
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}
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