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34 lines
1 KiB
Python
34 lines
1 KiB
Python
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"""Change comment text field from VARCHAR(255) to mysql.TEXT
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Revision ID: b79d2fcafd88
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Revises: ffd23e570f92
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Create Date: 2017-08-14 18:57:44.165168
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"""
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from alembic import op
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import sqlalchemy as sa
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from sqlalchemy.dialects import mysql
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# revision identifiers, used by Alembic.
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revision = 'b79d2fcafd88'
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down_revision = 'ffd23e570f92'
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branch_labels = None
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depends_on = None
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TABLE_PREFIXES = ('nyaa', 'sukebei')
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def upgrade():
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for prefix in TABLE_PREFIXES:
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op.alter_column(prefix + '_comments', 'text',
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existing_type=mysql.VARCHAR(charset='utf8mb4', collation='utf8mb4_bin', length=255),
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type_=mysql.TEXT(collation='utf8mb4_bin'),
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existing_nullable=False)
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def downgrade():
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for prefix in TABLE_PREFIXES:
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op.alter_column(prefix + '_comments', 'text',
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existing_type=mysql.TEXT(collation='utf8mb4_bin'),
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type_=mysql.VARCHAR(charset='utf8mb4', collation='utf8mb4_bin', length=255),
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existing_nullable=False)
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