74 lines
2.8 KiB
Python
74 lines
2.8 KiB
Python
"""Move sources to orm
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Revision ID: cda66b6cb0d6
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Revises: b6d7ca024aa9
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Create Date: 2024-11-07 13:29:57.186107
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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 sqlalchemy.dialects import postgresql
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from alembic import op
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from letta.settings import settings
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# revision identifiers, used by Alembic.
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revision: str = "cda66b6cb0d6"
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down_revision: Union[str, None] = "b6d7ca024aa9"
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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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# Skip this migration for SQLite
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if not settings.letta_pg_uri_no_default:
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return
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# ### commands auto generated by Alembic - please adjust! ###
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op.add_column("sources", sa.Column("updated_at", sa.DateTime(timezone=True), server_default=sa.text("now()"), nullable=True))
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op.add_column("sources", sa.Column("is_deleted", sa.Boolean(), server_default=sa.text("FALSE"), nullable=False))
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op.add_column("sources", sa.Column("_created_by_id", sa.String(), nullable=True))
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op.add_column("sources", sa.Column("_last_updated_by_id", sa.String(), nullable=True))
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# Data migration step:
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op.add_column("sources", sa.Column("organization_id", sa.String(), nullable=True))
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# Populate `organization_id` based on `user_id`
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# Use a raw SQL query to update the organization_id
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op.execute(
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"""
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UPDATE sources
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SET organization_id = users.organization_id
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FROM users
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WHERE sources.user_id = users.id
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"""
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)
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# Set `organization_id` as non-nullable after population
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op.alter_column("sources", "organization_id", nullable=False)
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op.alter_column("sources", "embedding_config", existing_type=postgresql.JSON(astext_type=sa.Text()), nullable=False)
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op.drop_index("sources_idx_user", table_name="sources")
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op.create_foreign_key(None, "sources", "organizations", ["organization_id"], ["id"])
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op.drop_column("sources", "user_id")
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# ### end Alembic commands ###
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def downgrade() -> None:
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# Skip this migration for SQLite
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if not settings.letta_pg_uri_no_default:
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return
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# ### commands auto generated by Alembic - please adjust! ###
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op.add_column("sources", sa.Column("user_id", sa.VARCHAR(), autoincrement=False, nullable=False))
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op.drop_constraint(None, "sources", type_="foreignkey")
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op.create_index("sources_idx_user", "sources", ["user_id"], unique=False)
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op.alter_column("sources", "embedding_config", existing_type=postgresql.JSON(astext_type=sa.Text()), nullable=True)
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op.drop_column("sources", "organization_id")
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op.drop_column("sources", "_last_updated_by_id")
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op.drop_column("sources", "_created_by_id")
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op.drop_column("sources", "is_deleted")
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op.drop_column("sources", "updated_at")
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# ### end Alembic commands ###
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