立项配置版本管理优化（回滚逻辑、UI、下载功能）
This commit is contained in:
Cheng Zhou
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"""add setup config version branching metadata
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Revision ID: 20260302_01
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Revises: 20260228_02
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Create Date: 2026-03-02 16:30:00.000000
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"""
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from typing import Sequence, Union
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from alembic import op
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import sqlalchemy as sa
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from sqlalchemy.dialects import postgresql
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# revision identifiers, used by Alembic.
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revision: str = "20260302_01"
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down_revision: Union[str, None] = "20260228_02"
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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 _has_table(inspector: sa.Inspector, table_name: str) -> bool:
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return table_name in set(inspector.get_table_names())
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def _has_column(inspector: sa.Inspector, table_name: str, column_name: str) -> bool:
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return column_name in {col["name"] for col in inspector.get_columns(table_name)}
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def _has_unique_constraint(inspector: sa.Inspector, table_name: str, constraint_name: str) -> bool:
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return constraint_name in {item["name"] for item in inspector.get_unique_constraints(table_name)}
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def _has_foreign_key(inspector: sa.Inspector, table_name: str, fk_name: str) -> bool:
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return fk_name in {item["name"] for item in inspector.get_foreign_keys(table_name)}
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def upgrade() -> None:
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bind = op.get_bind()
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inspector = sa.inspect(bind)
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if _has_table(inspector, "study_setup_config_versions"):
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if not _has_column(inspector, "study_setup_config_versions", "branch_name"):
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op.add_column("study_setup_config_versions", sa.Column("branch_name", sa.String(), nullable=True))
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if not _has_column(inspector, "study_setup_config_versions", "branch_seq"):
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op.add_column("study_setup_config_versions", sa.Column("branch_seq", sa.Integer(), nullable=True))
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if not _has_column(inspector, "study_setup_config_versions", "version_label"):
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op.add_column("study_setup_config_versions", sa.Column("version_label", sa.String(), nullable=True))
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if not _has_column(inspector, "study_setup_config_versions", "parent_version_id"):
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op.add_column("study_setup_config_versions", sa.Column("parent_version_id", postgresql.UUID(as_uuid=True), nullable=True))
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if not _has_column(inspector, "study_setup_config_versions", "merged_from_version_id"):
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op.add_column(
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"study_setup_config_versions",
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sa.Column("merged_from_version_id", postgresql.UUID(as_uuid=True), nullable=True),
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)
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op.execute("UPDATE study_setup_config_versions SET branch_name = 'main' WHERE branch_name IS NULL")
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op.execute(
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"UPDATE study_setup_config_versions SET branch_seq = COALESCE(display_version, version, 1) WHERE branch_seq IS NULL"
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)
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op.execute(
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"UPDATE study_setup_config_versions SET version_label = ('v' || COALESCE(display_version, version, 1)::text) WHERE version_label IS NULL"
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)
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op.alter_column("study_setup_config_versions", "branch_name", nullable=False)
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op.alter_column("study_setup_config_versions", "branch_seq", nullable=False)
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op.alter_column("study_setup_config_versions", "version_label", nullable=False)
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inspector = sa.inspect(bind)
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if not _has_foreign_key(inspector, "study_setup_config_versions", "fk_setup_config_versions_parent_version"):
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op.create_foreign_key(
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"fk_setup_config_versions_parent_version",
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"study_setup_config_versions",
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"study_setup_config_versions",
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["parent_version_id"],
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["id"],
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ondelete="SET NULL",
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)
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if not _has_foreign_key(inspector, "study_setup_config_versions", "fk_setup_config_versions_merged_from_version"):
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op.create_foreign_key(
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"fk_setup_config_versions_merged_from_version",
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"study_setup_config_versions",
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"study_setup_config_versions",
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["merged_from_version_id"],
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["id"],
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ondelete="SET NULL",
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)
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if _has_unique_constraint(inspector, "study_setup_config_versions", "uq_setup_config_versions_study_display_version"):
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op.drop_constraint(
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"uq_setup_config_versions_study_display_version",
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"study_setup_config_versions",
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type_="unique",
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)
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inspector = sa.inspect(bind)
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if not _has_unique_constraint(inspector, "study_setup_config_versions", "uq_setup_config_versions_study_branch_seq"):
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op.create_unique_constraint(
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"uq_setup_config_versions_study_branch_seq",
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"study_setup_config_versions",
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["study_id", "branch_name", "branch_seq"],
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)
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if not _has_unique_constraint(inspector, "study_setup_config_versions", "uq_setup_config_versions_study_version_label"):
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op.create_unique_constraint(
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"uq_setup_config_versions_study_version_label",
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"study_setup_config_versions",
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["study_id", "version_label"],
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)
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if _has_table(inspector, "study_setup_configs"):
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if not _has_column(inspector, "study_setup_configs", "current_branch_name"):
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op.add_column("study_setup_configs", sa.Column("current_branch_name", sa.String(), nullable=True))
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if not _has_column(inspector, "study_setup_configs", "active_branch_base_version_id"):
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op.add_column(
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"study_setup_configs",
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sa.Column("active_branch_base_version_id", postgresql.UUID(as_uuid=True), nullable=True),
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)
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if not _has_column(inspector, "study_setup_configs", "current_published_version_id"):
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op.add_column(
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"study_setup_configs",
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sa.Column("current_published_version_id", postgresql.UUID(as_uuid=True), nullable=True),
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)
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op.execute("UPDATE study_setup_configs SET current_branch_name = 'main' WHERE current_branch_name IS NULL")
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op.alter_column("study_setup_configs", "current_branch_name", nullable=False)
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if _has_table(inspector, "study_setup_config_versions"):
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op.execute(
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"""
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UPDATE study_setup_configs
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SET current_published_version_id = (
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SELECT v.id
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FROM study_setup_config_versions AS v
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WHERE v.study_id = study_setup_configs.study_id
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AND study_setup_configs.published_config IS NOT NULL
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AND v.config = study_setup_configs.published_config
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ORDER BY
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CASE
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WHEN study_setup_configs.published_at IS NOT NULL
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AND v.published_at = study_setup_configs.published_at THEN 0
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ELSE 1
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END,
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v.version DESC
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LIMIT 1
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)
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WHERE current_published_version_id IS NULL
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"""
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)
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inspector = sa.inspect(bind)
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if not _has_foreign_key(inspector, "study_setup_configs", "fk_setup_configs_active_branch_base_version"):
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op.create_foreign_key(
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"fk_setup_configs_active_branch_base_version",
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"study_setup_configs",
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"study_setup_config_versions",
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["active_branch_base_version_id"],
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["id"],
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ondelete="SET NULL",
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)
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if not _has_foreign_key(inspector, "study_setup_configs", "fk_setup_configs_current_published_version"):
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op.create_foreign_key(
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"fk_setup_configs_current_published_version",
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"study_setup_configs",
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"study_setup_config_versions",
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["current_published_version_id"],
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["id"],
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ondelete="SET NULL",
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)
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def downgrade() -> None:
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bind = op.get_bind()
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inspector = sa.inspect(bind)
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if _has_table(inspector, "study_setup_configs"):
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if _has_foreign_key(inspector, "study_setup_configs", "fk_setup_configs_current_published_version"):
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op.drop_constraint(
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"fk_setup_configs_current_published_version",
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"study_setup_configs",
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type_="foreignkey",
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)
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if _has_foreign_key(inspector, "study_setup_configs", "fk_setup_configs_active_branch_base_version"):
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op.drop_constraint(
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"fk_setup_configs_active_branch_base_version",
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"study_setup_configs",
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type_="foreignkey",
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)
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if _has_column(inspector, "study_setup_configs", "current_published_version_id"):
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op.drop_column("study_setup_configs", "current_published_version_id")
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if _has_column(inspector, "study_setup_configs", "active_branch_base_version_id"):
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op.drop_column("study_setup_configs", "active_branch_base_version_id")
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if _has_column(inspector, "study_setup_configs", "current_branch_name"):
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op.drop_column("study_setup_configs", "current_branch_name")
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inspector = sa.inspect(bind)
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if _has_table(inspector, "study_setup_config_versions"):
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if _has_unique_constraint(inspector, "study_setup_config_versions", "uq_setup_config_versions_study_version_label"):
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op.drop_constraint(
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"uq_setup_config_versions_study_version_label",
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"study_setup_config_versions",
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type_="unique",
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)
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if _has_unique_constraint(inspector, "study_setup_config_versions", "uq_setup_config_versions_study_branch_seq"):
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op.drop_constraint(
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"uq_setup_config_versions_study_branch_seq",
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"study_setup_config_versions",
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type_="unique",
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)
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if not _has_unique_constraint(inspector, "study_setup_config_versions", "uq_setup_config_versions_study_display_version"):
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op.create_unique_constraint(
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"uq_setup_config_versions_study_display_version",
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"study_setup_config_versions",
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["study_id", "display_version"],
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)
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if _has_foreign_key(inspector, "study_setup_config_versions", "fk_setup_config_versions_merged_from_version"):
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op.drop_constraint(
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"fk_setup_config_versions_merged_from_version",
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"study_setup_config_versions",
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type_="foreignkey",
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)
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if _has_foreign_key(inspector, "study_setup_config_versions", "fk_setup_config_versions_parent_version"):
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op.drop_constraint(
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"fk_setup_config_versions_parent_version",
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"study_setup_config_versions",
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type_="foreignkey",
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)
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if _has_column(inspector, "study_setup_config_versions", "merged_from_version_id"):
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op.drop_column("study_setup_config_versions", "merged_from_version_id")
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if _has_column(inspector, "study_setup_config_versions", "parent_version_id"):
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op.drop_column("study_setup_config_versions", "parent_version_id")
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if _has_column(inspector, "study_setup_config_versions", "version_label"):
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op.drop_column("study_setup_config_versions", "version_label")
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if _has_column(inspector, "study_setup_config_versions", "branch_seq"):
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op.drop_column("study_setup_config_versions", "branch_seq")
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if _has_column(inspector, "study_setup_config_versions", "branch_name"):
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op.drop_column("study_setup_config_versions", "branch_name")
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