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AlterTableEngineSQL.php
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40 lines (32 loc) · 1.09 KB
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<?php namespace DBDiff\SQLGen\DiffToSQL;
use DBDiff\SQLGen\SQLGenInterface;
use DBDiff\SQLGen\Dialect\DialectRegistry;
use DBDiff\SQLGen\Dialect\SQLDialectInterface;
class AlterTableEngineSQL implements SQLGenInterface {
protected $obj;
protected SQLDialectInterface $dialect;
public function __construct($obj, SQLDialectInterface $dialect = null) {
$this->obj = $obj;
$this->dialect = $dialect ?? DialectRegistry::get();
}
public function getUp(): string {
if (!$this->dialect->isMySQLOnly()) {
return '';
}
if (empty($this->obj->engine)) {
return '';
}
$t = $this->dialect->quote($this->obj->table);
return "ALTER TABLE $t ENGINE = {$this->obj->engine};";
}
public function getDown(): string {
if (!$this->dialect->isMySQLOnly()) {
return '';
}
if (empty($this->obj->prevEngine)) {
return '';
}
$t = $this->dialect->quote($this->obj->table);
return "ALTER TABLE $t ENGINE = {$this->obj->prevEngine};";
}
}