DDC-747: Add support for table, column and indexes comments #5260

doctrinebot opened this Issue Aug 13, 2010 · 0 comments

1 participant


Jira issue originally created by user s9e:

It would be nice to add support for table comments, column comments and indexes comments, i.e.

    comment="Contains products",
    indexes={@index(name="search_idx", comment="Makes finding people by name easier", columns={"name", "email"})}

@Column(type="integer", comment="Stores the user's age, in years")

MySQL supports comments via ALTER TABLE since 4.1.
PostgreSQL support comments via COMMENT at least since 7.4.
SQLite doesn't appear to support table, column or indexes comments as of 3.7.
Oracle supports comments on tables and columns via COMMENT at least since 10.1. It doesn't appear to support comments on indexes.

For databases that don't support those persistent comments, you could use normal SQL comments in the table definition. Of course they wouldn't be stored by the database, but at least they would appear in the generated schema, that's better than nothing.

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