优化无用代码

alembic/versions/20260728_01_drop_unused_scheduler_artifacts.py

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+"""drop unused scheduler leftovers
+
+Revision ID: 20260728_01
+Revises: 20260727_03
+Create Date: 2026-07-28
+"""
+from __future__ import annotations
+
+from collections.abc import Sequence
+
+import sqlalchemy as sa
+from alembic import op
+from sqlalchemy.dialects import mysql
+
+revision: str = "20260728_01"
+down_revision: str | None = "20260727_03"
+branch_labels: str | Sequence[str] | None = None
+depends_on: str | Sequence[str] | None = None
+
+
+def upgrade() -> None:
+    op.execute("DROP TABLE IF EXISTS scheduler_job_execution")
+    op.drop_column("pipeline_run", "triggered_by")
+    op.drop_column("pipeline_run", "parent_run_id")
+    op.drop_column("pipeline_run", "scheduled_for")
+    op.drop_column("pipeline_step_run", "metrics_json")
+
+
+def downgrade() -> None:
+    op.add_column(
+        "pipeline_step_run",
+        sa.Column("metrics_json", sa.JSON(), nullable=True),
+    )
+    op.add_column(
+        "pipeline_run",
+        sa.Column("scheduled_for", sa.DateTime(), nullable=True),
+    )
+    op.add_column(
+        "pipeline_run",
+        sa.Column("parent_run_id", sa.String(length=36), nullable=True),
+    )
+    op.add_column(
+        "pipeline_run",
+        sa.Column("triggered_by", sa.String(length=128), nullable=True),
+    )
+    op.create_table(
+        "scheduler_job_execution",
+        sa.Column("id", sa.BigInteger(), autoincrement=True, nullable=False),
+        sa.Column("run_id", sa.String(length=64), nullable=False),
+        sa.Column("job_name", sa.String(length=128), nullable=False),
+        sa.Column("job_id", sa.String(length=128), nullable=False),
+        sa.Column("status", sa.String(length=32), nullable=False),
+        sa.Column("event_time", sa.DateTime(), nullable=False),
+        sa.Column("biz_dt", sa.String(length=8), nullable=True),
+        sa.Column("started_at", sa.DateTime(), nullable=True),
+        sa.Column("finished_at", sa.DateTime(), nullable=True),
+        sa.Column("duration_seconds", sa.Float(), nullable=True),
+        sa.Column("error_message", sa.Text(), nullable=True),
+        sa.Column("detail", mysql.LONGTEXT(), nullable=True),
+        sa.Column(
+            "create_time",
+            sa.DateTime(),
+            server_default=sa.text("CURRENT_TIMESTAMP"),
+            nullable=False,
+        ),
+        sa.Column(
+            "update_time",
+            sa.DateTime(),
+            server_default=sa.text("CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP"),
+            nullable=False,
+        ),
+        sa.PrimaryKeyConstraint("id"),
+        mysql_charset="utf8mb4",
+        mysql_collate="utf8mb4_unicode_ci",
+    )