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backend/alembic/versions/20260906_01_stock_company.py

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+"""stock_company：上市公司基本信息（tushare 按需懒加载 + 30 天新鲜度 + 墓碑负缓存）
+
+Revision ID: 20260906_01
+Revises: 20260905_01
+Create Date: 2026-09-06
+"""
+from typing import Sequence, Union
+
+import sqlalchemy as sa
+from alembic import op
+
+revision: str = "20260906_01"
+down_revision: Union[str, Sequence[str], None] = "20260905_01"
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    op.create_table(
+        "stock_company",
+        sa.Column("id", sa.Integer(), autoincrement=True, nullable=False),
+        sa.Column("ts_code", sa.String(length=12), nullable=False),
+        sa.Column("com_name", sa.String(length=255), nullable=True),
+        sa.Column("com_id", sa.String(length=32), nullable=True),
+        sa.Column("chairman", sa.String(length=128), nullable=True),
+        sa.Column("manager", sa.String(length=128), nullable=True),
+        sa.Column("secretary", sa.String(length=128), nullable=True),
+        sa.Column("reg_capital", sa.Float(), nullable=True),
+        sa.Column("setup_date", sa.String(length=8), nullable=True),
+        sa.Column("province", sa.String(length=32), nullable=True),
+        sa.Column("city", sa.String(length=32), nullable=True),
+        sa.Column("introduction", sa.Text(), nullable=True),
+        sa.Column("website", sa.String(length=255), nullable=True),
+        sa.Column("email", sa.String(length=255), nullable=True),
+        sa.Column("office", sa.String(length=255), nullable=True),
+        sa.Column("employees", sa.Integer(), nullable=True),
+        sa.Column("main_business", sa.Text(), nullable=True),
+        sa.Column("business_scope", sa.Text(), nullable=True),
+        sa.Column("updated_at", sa.DateTime(), nullable=True),
+        sa.PrimaryKeyConstraint("id"),
+        sa.UniqueConstraint("ts_code", name="uq_stock_company_ts_code"),
+    )
+    op.create_index("ix_stock_company_ts_code", "stock_company", ["ts_code"])
+
+
+def downgrade() -> None:
+    op.drop_index("ix_stock_company_ts_code", table_name="stock_company")
+    op.drop_table("stock_company")