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<?php
namespace Wikimedia\Rdbms;
/**
* Interface SchemaChangeBuilder that gets a definition and produces ALTER TABLE SQL based on RDBMS
*
* @experimental
* @unstable
*/
interface SchemaChangeBuilder {
/**
* An example of $schema value:
* [
* 'comment' => 'Adding foo field',
* 'before' => <Before snapshot of the abstract schema>
* 'after' => <After snapshot of the abstract schema>
* ],
* @param array $schemaChangeSpec
* @return string[]
*/
public function getSchemaChangeSql( array $schemaChangeSpec ): array;
}
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