51 lines
1.5 KiB
Python
51 lines
1.5 KiB
Python
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"""users：补齐 Google 登录 openid 索引
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Revision ID: 0022_users_google_openid
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Revises: 0021_memory_source_segment_id
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"""
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from __future__ import annotations
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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 = "0022_users_google_openid"
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down_revision: Union[str, None] = "0021_memory_source_segment_id"
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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 _table_exists(table_name: str) -> bool:
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return sa.inspect(op.get_bind()).has_table(table_name)
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def _column_names(table_name: str) -> set[str]:
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inspector = sa.inspect(op.get_bind())
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return {column["name"] for column in inspector.get_columns(table_name)}
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def _index_names(table_name: str) -> set[str]:
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inspector = sa.inspect(op.get_bind())
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return {index["name"] for index in inspector.get_indexes(table_name)}
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def upgrade() -> None:
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if not _table_exists("users"):
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return
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if "openid" not in _column_names("users"):
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op.add_column("users", sa.Column("openid", sa.String(), nullable=True))
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if "ix_users_openid" not in _index_names("users"):
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op.create_index("ix_users_openid", "users", ["openid"], unique=True)
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def downgrade() -> None:
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if not _table_exists("users"):
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return
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if "ix_users_openid" in _index_names("users"):
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op.drop_index("ix_users_openid", table_name="users")
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if "openid" in _column_names("users"):
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op.drop_column("users", "openid")
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