57 lines
1.7 KiB
Python
57 lines
1.7 KiB
Python
"""media versions (keep every edited media)
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Revision ID: f7a2c9e1b3d5
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Revises: a3f1c8e94d72
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Create Date: 2026-05-30 03:00:00.000000
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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: str = "f7a2c9e1b3d5"
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down_revision: str | None = "a3f1c8e94d72"
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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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op.create_table(
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"media_versions",
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sa.Column("id", sa.BigInteger(), autoincrement=True, nullable=False),
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sa.Column("account_id", sa.Integer(), nullable=False),
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sa.Column("chat_id", sa.BigInteger(), nullable=False),
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sa.Column("message_id", sa.BigInteger(), nullable=False),
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sa.Column(
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"observed_at",
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sa.DateTime(timezone=True),
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server_default=sa.text("now()"),
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nullable=False,
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),
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sa.Column("kind", sa.String(), nullable=False),
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sa.Column("storage_key", sa.String(), nullable=False),
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sa.Column("file_size", sa.BigInteger(), nullable=True),
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sa.Column("mime", sa.String(), nullable=True),
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sa.Column("ttl_seconds", sa.Integer(), nullable=True),
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sa.PrimaryKeyConstraint("id"),
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sa.UniqueConstraint(
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"account_id",
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"chat_id",
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"message_id",
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"storage_key",
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name="uq_media_versions_content",
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),
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)
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op.create_index(
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"ix_media_versions_message",
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"media_versions",
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["account_id", "chat_id", "message_id", "observed_at"],
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)
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def downgrade() -> None:
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op.drop_index("ix_media_versions_message", table_name="media_versions")
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op.drop_table("media_versions")
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