b8e9a80d93
* wait I forgot to comit locally * cp the entire core directory and then rm the .git subdir
50 lines
1.2 KiB
Python
50 lines
1.2 KiB
Python
"""Add file name to source passages
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Revision ID: c96263433aef
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Revises: 9792f94e961d
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Create Date: 2025-06-06 12:06:57.328127
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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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from letta.settings import settings
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# revision identifiers, used by Alembic.
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revision: str = "c96263433aef"
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down_revision: Union[str, None] = "9792f94e961d"
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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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# Add the new column
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op.add_column("source_passages", sa.Column("file_name", sa.String(), nullable=True))
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# Backfill file_name using SQL UPDATE JOIN
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op.execute(
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"""
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UPDATE source_passages
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SET file_name = files.file_name
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FROM files
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WHERE source_passages.file_id = files.id
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"""
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)
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# Enforce non-null constraint after backfill
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op.alter_column("source_passages", "file_name", nullable=False)
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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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op.drop_column("source_passages", "file_name")
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