"""Convert GenerationRecord table to utf8mb4 to support emoji/4-byte Unicode in prompt field.

Bug #65: OperationalError (1366) "Incorrect string value" when prompt contains emoji characters.
"""

from django.db import migrations


class Migration(migrations.Migration):

    dependencies = [
        ('generation', '0004_alter_generationrecord_model'),
    ]

    operations = [
        migrations.RunSQL(
            sql=[
                "ALTER TABLE generation_generationrecord CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;",
                "ALTER TABLE generation_quotaconfig CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;",
            ],
            reverse_sql=[
                "ALTER TABLE generation_generationrecord CONVERT TO CHARACTER SET utf8 COLLATE utf8_general_ci;",
                "ALTER TABLE generation_quotaconfig CONVERT TO CHARACTER SET utf8 COLLATE utf8_general_ci;",
            ],
        ),
    ]