42 lines
1.5 KiB
Python
42 lines
1.5 KiB
Python
"""etf_basic：场内 ETF 列表（东财快照 + 规模字段）
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Revision ID: 20260905_01
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Revises: 20260902_01
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Create Date: 2026-09-05
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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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revision: str = "20260905_01"
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down_revision: Union[str, Sequence[str], None] = "20260902_01"
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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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"etf_basic",
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sa.Column("id", sa.Integer(), autoincrement=True, nullable=False),
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sa.Column("ts_code", sa.String(length=12), nullable=False),
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sa.Column("symbol", sa.String(length=10), nullable=False),
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sa.Column("name", sa.String(length=64), nullable=False),
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sa.Column("exchange", sa.String(length=8), nullable=False),
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sa.Column("list_date", sa.String(length=8), nullable=True),
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sa.Column("total_mv", sa.Float(), nullable=True),
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sa.Column("circ_mv", sa.Float(), nullable=True),
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sa.Column("turnover_rate", sa.Float(), nullable=True),
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sa.Column("updated_at", sa.DateTime(), nullable=True),
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sa.PrimaryKeyConstraint("id"),
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sa.UniqueConstraint("ts_code", name="uq_etf_basic_ts_code"),
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)
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op.create_index("ix_etf_basic_ts_code", "etf_basic", ["ts_code"])
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op.create_index("ix_etf_basic_symbol", "etf_basic", ["symbol"])
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def downgrade() -> None:
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op.drop_index("ix_etf_basic_symbol", table_name="etf_basic")
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op.drop_index("ix_etf_basic_ts_code", table_name="etf_basic")
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op.drop_table("etf_basic")
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