"""empty message

Revision ID: 54a15eecb10a
Revises: 
Create Date: 2026-07-10 14:17:15.523102

"""
from typing import Sequence, Union

from alembic import op
import sqlalchemy as sa
import sqlmodel

# revision identifiers, used by Alembic.
revision: str = '54a15eecb10a'
down_revision: Union[str, Sequence[str], None] = None
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None


def upgrade() -> None:
    """Upgrade schema."""
    # ### commands auto generated by Alembic - please adjust! ###
    op.create_table('messagehistory',
    sa.Column('id', sqlmodel.sql.sqltypes.AutoString(), nullable=False),
    sa.Column('conversation_id', sqlmodel.sql.sqltypes.AutoString(), nullable=False),
    sa.Column('run_id', sqlmodel.sql.sqltypes.AutoString(), nullable=False),
    sa.Column('new_message', sqlmodel.sql.sqltypes.AutoString(), nullable=False),
    sa.PrimaryKeyConstraint('id')
    )
    with op.batch_alter_table('messagehistory', schema=None) as batch_op:
        batch_op.create_index(batch_op.f('ix_messagehistory_conversation_id'), ['conversation_id'], unique=False)
        batch_op.create_index(batch_op.f('ix_messagehistory_run_id'), ['run_id'], unique=False)

    # ### end Alembic commands ###


def downgrade() -> None:
    """Downgrade schema."""
    # ### commands auto generated by Alembic - please adjust! ###
    with op.batch_alter_table('messagehistory', schema=None) as batch_op:
        batch_op.drop_index(batch_op.f('ix_messagehistory_run_id'))
        batch_op.drop_index(batch_op.f('ix_messagehistory_conversation_id'))

    op.drop_table('messagehistory')
    # ### end Alembic commands ###