36 lines
1.1 KiB
Python
36 lines
1.1 KiB
Python
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"""message media_hash
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Revision ID: e5f6a7b8c9d0
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Revises: c4d5e6f7a8b9
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Create Date: 2026-08-11 00:00:00.000000
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"""
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from collections.abc import Sequence
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import sqlalchemy as sa
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from alembic import op
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# revision identifiers, used by Alembic.
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revision: str = 'e5f6a7b8c9d0'
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down_revision: str | Sequence[str] | None = 'c4d5e6f7a8b9'
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branch_labels: str | Sequence[str] | None = None
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depends_on: str | Sequence[str] | None = None
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def upgrade() -> None:
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"""Upgrade schema."""
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# sha256 media_hash of the localized media blob (FK -> Media.media_hash).
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# NULL until sync_message_images downloads it. batch_alter_table keeps
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# this portable across SQLite (dev/test, table-recreate) and MySQL (prod,
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# direct ALTER). Mirrors the voice_clip.media_hash + phone_call.record_media_hash
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# migrations.
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with op.batch_alter_table('message', schema=None) as batch_op:
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batch_op.add_column(sa.Column('media_hash', sa.String(length=64), nullable=True))
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def downgrade() -> None:
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"""Downgrade schema."""
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with op.batch_alter_table('message', schema=None) as batch_op:
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batch_op.drop_column('media_hash')
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