54 lines
2.3 KiB
Python
54 lines
2.3 KiB
Python
"""Add conversions table
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Revision ID: 5b3c1a2f8d10
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Revises: e6eaede720aa
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Create Date: 2025-10-06 12:00:00.000000
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"""
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from typing import Sequence, Union
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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: str = '5b3c1a2f8d10'
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down_revision: Union[str, None] = 'e6eaede720aa'
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branch_labels: Union[str, Sequence[str], None] = None
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depends_on: Union[str, Sequence[str], None] = None
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def upgrade() -> None:
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op.create_table(
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'conversions',
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sa.Column('id', sa.Integer(), primary_key=True, autoincrement=True),
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sa.Column('source_event_media_id', sa.Integer(), nullable=False),
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sa.Column('target_format', sa.String(length=10), nullable=False),
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sa.Column('target_path', sa.String(length=512), nullable=True),
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sa.Column('status', sa.Enum('pending', 'processing', 'ready', 'failed', name='conversionstatus'),
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nullable=False, server_default='pending'),
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sa.Column('file_hash', sa.String(length=64), nullable=True),
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sa.Column('started_at', sa.TIMESTAMP(timezone=True), nullable=True),
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sa.Column('completed_at', sa.TIMESTAMP(timezone=True), nullable=True),
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sa.Column('error_message', sa.Text(), nullable=True),
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sa.ForeignKeyConstraint(['source_event_media_id'], ['event_media.id'],
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name='fk_conversions_event_media', ondelete='CASCADE'),
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)
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op.create_index('ix_conv_source_event_media_id', 'conversions', ['source_event_media_id'])
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op.create_index('ix_conversions_target_format', 'conversions', ['target_format'])
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op.create_index('ix_conv_status_target', 'conversions', ['status', 'target_format'])
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op.create_index('ix_conv_source_target', 'conversions', ['source_event_media_id', 'target_format'])
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op.create_unique_constraint('uq_conv_source_target_hash', 'conversions',
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['source_event_media_id', 'target_format', 'file_hash'])
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def downgrade() -> None:
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op.drop_constraint('uq_conv_source_target_hash', 'conversions', type_='unique')
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op.drop_index('ix_conv_source_target', table_name='conversions')
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op.drop_index('ix_conv_status_target', table_name='conversions')
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op.drop_index('ix_conversions_target_format', table_name='conversions')
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op.drop_index('ix_conv_source_event_media_id', table_name='conversions')
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op.drop_table('conversions')
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