44 lines
1.1 KiB
PHP
44 lines
1.1 KiB
PHP
<?php
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namespace Wikimedia\Rdbms;
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use Doctrine\DBAL\Platforms\AbstractPlatform;
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use Doctrine\DBAL\Schema\Comparator;
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use Doctrine\DBAL\Schema\Schema;
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/**
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* @experimental
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* @unstable
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*/
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class DoctrineSchemaChangeBuilder implements SchemaChangeBuilder {
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use DoctrineAbstractSchemaTrait;
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private AbstractPlatform $platform;
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/**
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* A builder object that take abstract schema definition and produces sql to create the tables.
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*
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* @param AbstractPlatform $platform A Doctrine Platform object, Can be Mysql, Sqlite, etc.
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*/
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public function __construct( AbstractPlatform $platform ) {
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$this->platform = $platform;
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}
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private function getTableSchema( array $tableSpec ): Schema {
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if ( !$tableSpec ) {
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// Used for not yet created tables.
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return new Schema();
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}
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return $this->addTableToSchema( new Schema(), $tableSpec );
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}
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public function getSchemaChangeSql( array $schemaChangeSpec ): array {
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$comparator = new Comparator();
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$schemaDiff = $comparator->compare(
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$this->getTableSchema( $schemaChangeSpec['before'] ),
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$this->getTableSchema( $schemaChangeSpec['after'] )
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);
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return $schemaDiff->toSql( $this->platform );
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}
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}
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