47 lines
1.3 KiB
Python
47 lines
1.3 KiB
Python
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"""create_task_instances
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Revision ID: 0003
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Revises: 0002
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Create Date: 2026-03-26
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"""
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from typing import Sequence, Union
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import sqlalchemy as sa
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from alembic import op
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from sqlalchemy.dialects.postgresql import JSONB
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revision: str = "0003"
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down_revision: Union[str, Sequence[str], None] = "0002"
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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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"task_instances",
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sa.Column("id", sa.UUID(), nullable=False),
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sa.Column("run_id", sa.UUID(), nullable=False),
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sa.Column("type", sa.Text(), nullable=False),
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sa.Column("params", JSONB(), nullable=False, server_default="{}"),
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sa.Column("status", sa.Text(), nullable=False, server_default="pending"),
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sa.Column(
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"created_at",
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sa.DateTime(timezone=True),
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nullable=False,
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server_default=sa.text("now()"),
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),
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sa.ForeignKeyConstraint(
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["run_id"],
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["activity_runs.run_id"],
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ondelete="CASCADE",
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),
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sa.PrimaryKeyConstraint("id"),
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)
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op.create_index("ix_task_instances_run_id", "task_instances", ["run_id"])
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def downgrade() -> None:
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op.drop_index("ix_task_instances_run_id", table_name="task_instances")
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op.drop_table("task_instances")
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