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1 | <?php |
2 | |
3 | namespace Wikimedia\Rdbms; |
4 | |
5 | /** |
6 | * Interface SchemaChangeBuilder that gets a definition and produces ALTER TABLE SQL based on RDBMS |
7 | * |
8 | * @experimental |
9 | * @unstable |
10 | */ |
11 | interface SchemaChangeBuilder { |
12 | |
13 | /** |
14 | * An example of $schema value: |
15 | * [ |
16 | * 'comment' => 'Adding foo field', |
17 | * 'before' => <Before snapshot of the abstract schema> |
18 | * 'after' => <After snapshot of the abstract schema> |
19 | * ], |
20 | * @param array $schemaChangeSpec |
21 | * @return string[] |
22 | */ |
23 | public function getSchemaChangeSql( array $schemaChangeSpec ): array; |
24 | } |