• dgt's avatar
    Switch to full unicode (utf8mb4) to display emojis · d456c4ef
    dgt authored
    switch to utf8mb4 which can store all unicode code points including
    emoticons (utf8 which we used before is an alias for utf8mb3 which only
    stores a maximum of three bytes).
    the rake task cg:convert_to_unicode converts the database into utf8mb4.
    it also sets a binary collation for our tags table, because we
    want to distinguish between olé and ole. there is no test for this
    feature (because it would fail).
    the schema_migrations table has to be excluded, because it has
    indexes which are to long
    the emoji tests work without database conversion, because database
    connection uses utf8mb4.
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