128 lines
2.9 KiB
Plaintext
128 lines
2.9 KiB
Plaintext
<?php declare(strict_types=1);
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/**
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* Query
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*
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* SQL Query Builder / Database Abstraction Layer
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*
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* PHP version 7
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*
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* @package Query
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* @author Timothy J. Warren <tim@timshomepage.net>
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* @copyright 2012 - 2016 Timothy J. Warren
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* @license http://www.opensource.org/licenses/mit-license.html MIT License
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* @link https://git.timshomepage.net/aviat4ion/Query
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*/
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namespace Query\Drivers\Firebird;
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use PDO;
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use Query\Drivers\AbstractUtil;
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/**
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* Firebird-specific backup, import and creation methods
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*/
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class Util extends AbstractUtil {
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/**
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* Convenience public function to generate sql for creating a db table
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*
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* @param string $name
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* @param array $fields
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* @param array $constraints
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* @param bool $ifNotExists
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* @return string
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*/
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public function createTable($name, $fields, array $constraints=[], $ifNotExists=FALSE)
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{
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return parent::createTable($name, $fields, $constraints, FALSE);
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}
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/**
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* Drop the selected table
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*
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* @param string $name
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* @return string
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*/
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public function deleteTable($name)
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{
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return 'DROP TABLE '.$this->getDriver()->quoteTable($name);
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}
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/**
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* Create an SQL backup file for the current database's structure
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*
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* @return string
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*/
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public function backupStructure(/* @param string $dbPath, @param string $newFile */)
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{
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list($dbPath, $newFile) = func_get_args();
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return ibase_backup($this->getDriver()->getService(), $dbPath, $newFile, \IBASE_BKP_METADATA_ONLY);
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}
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/**
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* Create an SQL backup file for the current database's data
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*
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* @param array $exclude
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* @param bool $systemTables
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* @return string
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*/
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public function backupData($exclude=[], $systemTables=FALSE)
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{
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// Determine which tables to use
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$tables = $this->getDriver()->getTables();
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if($systemTables == TRUE)
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{
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$tables = array_merge($tables, $this->getDriver()->getSystemTables());
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}
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// Filter out the tables you don't want
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if( ! empty($exclude))
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{
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$tables = array_diff($tables, $exclude);
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}
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$outputSql = '';
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// Get the data for each object
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foreach($tables as $t)
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{
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$sql = 'SELECT * FROM "'.trim($t).'"';
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$res = $this->getDriver()->query($sql);
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$objRes = $res->fetchAll(PDO::FETCH_ASSOC);
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// Don't add to the file if the table is empty
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if (count($objRes) < 1)
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{
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continue;
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}
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// Nab the column names by getting the keys of the first row
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$columns = @array_keys($objRes[0]);
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$insertRows = [];
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// Create the insert statements
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foreach($objRes as $row)
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{
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$row = array_values($row);
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// Quote values as needed by type
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if(stripos($t, 'RDB$') === FALSE)
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{
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$row = array_map([$this->getDriver(), 'quote'], $row);
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$row = array_map('trim', $row);
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}
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$rowString = 'INSERT INTO "'.trim($t).'" ("'.implode('","', $columns).'") VALUES ('.implode(',', $row).');';
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$row = NULL;
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$insertRows[] = $rowString;
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}
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$outputSql .= "\n\nSET TRANSACTION;\n".implode("\n", $insertRows)."\nCOMMIT;";
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}
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return $outputSql;
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}
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}
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