| 123456789101112131415161718192021222324252627282930313233343536373839404142 | """update modelRevision ID: 53bf8af60645Revises: 8e5588e6412eCreate Date: 2024-07-24 08:06:55.291031"""import sqlalchemy as safrom alembic import opimport models as models# revision identifiers, used by Alembic.revision = '53bf8af60645'down_revision = '8e5588e6412e'branch_labels = Nonedepends_on = Nonedef upgrade():    # ### commands auto generated by Alembic - please adjust! ###    with op.batch_alter_table('embeddings', schema=None) as batch_op:        batch_op.alter_column('provider_name',               existing_type=sa.VARCHAR(length=40),               type_=sa.String(length=255),               existing_nullable=False,               existing_server_default=sa.text("''::character varying"))    # ### end Alembic commands ###def downgrade():    # ### commands auto generated by Alembic - please adjust! ###    with op.batch_alter_table('embeddings', schema=None) as batch_op:        batch_op.alter_column('provider_name',               existing_type=sa.String(length=255),               type_=sa.VARCHAR(length=40),               existing_nullable=False,               existing_server_default=sa.text("''::character varying"))    # ### end Alembic commands ###
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