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When we try to create a table which already exists which also adds indexes, then the `if_not_exists` option passed to `create_table` is not extended to indexes. So the migration results into an error if the table and indexes already exist. This change extends the `if_not_exists` support to `add_index` so that if the migration tries to create a table which also has existing indexes, error won't be raised. Also as a side-effect individual `add_index` calls will also accept `if_not_exists` option and respect it henceforth. [Prathamesh Sonpatki, Justin George] |
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| active_record/connection_adapters | ||
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| migrations | ||
| models | ||
| schema | ||
| support | ||
| config.example.yml | ||
| config.rb | ||