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							- """update_dataset_model_field_null_available
 
- Revision ID: 4bcffcd64aa4
 
- Revises: 853f9b9cd3b6
 
- Create Date: 2023-08-28 20:58:50.077056
 
- """
 
- from alembic import op
 
- import sqlalchemy as sa
 
- # revision identifiers, used by Alembic.
 
- revision = '4bcffcd64aa4'
 
- down_revision = '853f9b9cd3b6'
 
- branch_labels = None
 
- depends_on = None
 
- def upgrade():
 
-     # ### commands auto generated by Alembic - please adjust! ###
 
-     with op.batch_alter_table('datasets', schema=None) as batch_op:
 
-         batch_op.alter_column('embedding_model',
 
-                existing_type=sa.VARCHAR(length=255),
 
-                nullable=True,
 
-                existing_server_default=sa.text("'text-embedding-ada-002'::character varying"))
 
-         batch_op.alter_column('embedding_model_provider',
 
-                existing_type=sa.VARCHAR(length=255),
 
-                nullable=True,
 
-                existing_server_default=sa.text("'openai'::character varying"))
 
-     # ### end Alembic commands ###
 
- def downgrade():
 
-     # ### commands auto generated by Alembic - please adjust! ###
 
-     with op.batch_alter_table('datasets', schema=None) as batch_op:
 
-         batch_op.alter_column('embedding_model_provider',
 
-                existing_type=sa.VARCHAR(length=255),
 
-                nullable=False,
 
-                existing_server_default=sa.text("'openai'::character varying"))
 
-         batch_op.alter_column('embedding_model',
 
-                existing_type=sa.VARCHAR(length=255),
 
-                nullable=False,
 
-                existing_server_default=sa.text("'text-embedding-ada-002'::character varying"))
 
-     # ### end Alembic commands ###
 
 
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