67 lines
2.3 KiB
Python
67 lines
2.3 KiB
Python
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"""
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Copyright 2024-2026 ChatterMate
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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"""
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"""add sentiment analysis columns
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Revision ID: add_sentiment_analysis_001
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Revises: add_widget_apps_001
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Create Date: 2026-03-16 11:00:00.000000
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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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# revision identifiers, used by Alembic.
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revision: str = 'add_sentiment_analysis_001'
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down_revision: Union[str, None] = 'add_widget_apps_001'
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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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# Add sentiment columns to chat_history
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op.add_column('chat_history', sa.Column('sentiment_label', sa.String(), nullable=True))
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op.add_column('chat_history', sa.Column('sentiment_score', sa.Float(), nullable=True))
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# Add sentiment columns to session_to_agents
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op.add_column('session_to_agents', sa.Column('sentiment_label', sa.String(), nullable=True))
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op.add_column('session_to_agents', sa.Column('sentiment_score', sa.Float(), nullable=True))
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# Create indexes for efficient sentiment queries
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op.create_index(
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'ix_chat_history_sentiment_label',
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'chat_history',
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['sentiment_label'],
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unique=False
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)
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op.create_index(
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'ix_session_to_agents_sentiment_label',
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'session_to_agents',
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['sentiment_label'],
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unique=False
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)
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def downgrade() -> None:
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op.drop_index('ix_session_to_agents_sentiment_label', table_name='session_to_agents')
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op.drop_index('ix_chat_history_sentiment_label', table_name='chat_history')
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op.drop_column('session_to_agents', 'sentiment_score')
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op.drop_column('session_to_agents', 'sentiment_label')
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op.drop_column('chat_history', 'sentiment_score')
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op.drop_column('chat_history', 'sentiment_label')
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