Cheng Zhou
64 lines
2.7 KiB
Python
64 lines
2.7 KiB
Python
"""add material_equipments table
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Revision ID: 20260227_01
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Revises: 20260213_03
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Create Date: 2026-02-27 10:30:00.000000
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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 = "20260227_01"
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down_revision: Union[str, None] = "20260213_03"
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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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bind = op.get_bind()
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inspector = sa.inspect(bind)
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if "material_equipments" not in inspector.get_table_names():
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op.create_table(
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"material_equipments",
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sa.Column("id", postgresql.UUID(as_uuid=True), nullable=False),
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sa.Column("study_id", postgresql.UUID(as_uuid=True), nullable=False),
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sa.Column("name", sa.String(length=255), nullable=False),
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sa.Column("spec_model", sa.String(length=255), nullable=False),
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sa.Column("unit", sa.String(length=50), nullable=True),
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sa.Column("brand", sa.String(length=100), nullable=False),
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sa.Column("origin", sa.String(length=255), nullable=True),
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sa.Column("production_permit_file_name", sa.String(length=255), nullable=True),
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sa.Column("tech_index_file_name", sa.String(length=255), nullable=True),
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sa.Column("need_calibration", sa.Boolean(), nullable=False, server_default=sa.text("false")),
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sa.Column("calibration_cycle_days", sa.Integer(), nullable=True),
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sa.Column("created_by", postgresql.UUID(as_uuid=True), nullable=True),
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sa.Column("created_at", sa.DateTime(timezone=True), server_default=sa.text("now()"), nullable=False),
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sa.Column("updated_at", sa.DateTime(timezone=True), server_default=sa.text("now()"), nullable=False),
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sa.ForeignKeyConstraint(["study_id"], ["studies.id"]),
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sa.ForeignKeyConstraint(["created_by"], ["users.id"]),
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sa.PrimaryKeyConstraint("id"),
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)
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indexes = {idx["name"] for idx in inspector.get_indexes("material_equipments")}
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index_name = op.f("ix_material_equipments_study_id")
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if index_name not in indexes:
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op.create_index(index_name, "material_equipments", ["study_id"], unique=False)
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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 "material_equipments" in inspector.get_table_names():
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indexes = {idx["name"] for idx in inspector.get_indexes("material_equipments")}
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index_name = op.f("ix_material_equipments_study_id")
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if index_name in indexes:
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op.drop_index(index_name, table_name="material_equipments")
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op.drop_table("material_equipments")
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