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51 lines
2.1 KiB
Python
51 lines
2.1 KiB
Python
"""add topic status transitions
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Revision ID: 0007_topic_status_transitions
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Revises: 0006_request_read_markers
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Create Date: 2026-02-23
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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 postgresql
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revision = "0007_topic_status_transitions"
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down_revision = "0006_request_read_markers"
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branch_labels = None
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depends_on = None
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def upgrade():
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op.create_table(
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"topic_status_transitions",
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sa.Column("id", postgresql.UUID(as_uuid=True), primary_key=True),
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sa.Column("created_at", sa.DateTime(timezone=True), nullable=True),
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sa.Column("updated_at", sa.DateTime(timezone=True), nullable=True),
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sa.Column(
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"responsible",
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sa.String(length=200),
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nullable=False,
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server_default=sa.text("'Администратор системы'"),
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),
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sa.Column("topic_code", sa.String(length=50), nullable=False),
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sa.Column("from_status", sa.String(length=50), nullable=False),
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sa.Column("to_status", sa.String(length=50), nullable=False),
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sa.Column("enabled", sa.Boolean(), nullable=False, server_default=sa.text("true")),
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sa.Column("sort_order", sa.Integer(), nullable=False, server_default="0"),
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sa.UniqueConstraint(
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"topic_code",
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"from_status",
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"to_status",
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name="uq_topic_status_transitions_topic_from_to",
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),
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)
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op.create_index("ix_topic_status_transitions_topic_code", "topic_status_transitions", ["topic_code"])
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op.create_index("ix_topic_status_transitions_from_status", "topic_status_transitions", ["from_status"])
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op.create_index("ix_topic_status_transitions_to_status", "topic_status_transitions", ["to_status"])
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def downgrade():
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op.drop_index("ix_topic_status_transitions_to_status", table_name="topic_status_transitions")
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op.drop_index("ix_topic_status_transitions_from_status", table_name="topic_status_transitions")
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op.drop_index("ix_topic_status_transitions_topic_code", table_name="topic_status_transitions")
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op.drop_table("topic_status_transitions")
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