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https://gitlab.com/SIGBUS/nyaa.git
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53 lines
1.8 KiB
Python
53 lines
1.8 KiB
Python
"""Add comment_count to Torrent
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Revision ID: 2bceb2cb4d7c
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Revises: d0eeb8049623
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Create Date: 2017-05-26 15:07:21.114331
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"""
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from alembic import op
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import sqlalchemy as sa
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# revision identifiers, used by Alembic.
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revision = '2bceb2cb4d7c'
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down_revision = 'd0eeb8049623'
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branch_labels = None
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depends_on = None
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COMMENT_UPDATE_SQL = '''UPDATE {0}_torrents
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SET comment_count = (
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SELECT COUNT(*) FROM {0}_comments
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WHERE {0}_torrents.id = {0}_comments.torrent_id
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);'''
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def upgrade():
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# ### commands auto generated by Alembic - please adjust! ###
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op.add_column('nyaa_torrents', sa.Column('comment_count', sa.Integer(), nullable=False))
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op.create_index(op.f('ix_nyaa_torrents_comment_count'), 'nyaa_torrents', ['comment_count'], unique=False)
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op.add_column('sukebei_torrents', sa.Column('comment_count', sa.Integer(), nullable=False))
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op.create_index(op.f('ix_sukebei_torrents_comment_count'), 'sukebei_torrents', ['comment_count'], unique=False)
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# ### end Alembic commands ###
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connection = op.get_bind()
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print('Updating comment counts on nyaa_torrents...')
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connection.execute(sa.sql.text(COMMENT_UPDATE_SQL.format('nyaa')))
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print('Done.')
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print('Updating comment counts on sukebei_torrents...')
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connection.execute(sa.sql.text(COMMENT_UPDATE_SQL.format('sukebei')))
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print('Done.')
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def downgrade():
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# ### commands auto generated by Alembic - please adjust! ###
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op.drop_index(op.f('ix_nyaa_torrents_comment_count'), table_name='nyaa_torrents')
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op.drop_column('nyaa_torrents', 'comment_count')
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op.drop_index(op.f('ix_sukebei_torrents_comment_count'), table_name='sukebei_torrents')
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op.drop_column('sukebei_torrents', 'comment_count')
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# ### end Alembic commands ###
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