code: def upgrade():
      # ### commands auto generated by Alembic - please adjust! ###
      op.create_table(
          "tasks",
          sa.Column("id", sa.Integer(), nullable=False),
          sa.Column("company_id", sa.Integer(), nullable=True),
          sa.Column("user_class", sa.Integer(), nullable=True),
          sa.Column("object_type", sa.String(), nullable=False),
          sa.Column("object_id", sa.Integer(), nullable=False),
          sa.Column("last_error", sa.String(), nullable=True),
          sa.Column("active", sa.Boolean(), nullable=True),
          sa.Column("reload", sa.Boolean(), nullable=True),
          sa.Column("run_by", sa.String(), nullable=True),
          sa.Column(
              "alive_time", sa.DateTime(timezone=True), nullable=True
          ),
          sa.Column("updated_at", sa.DateTime(), nullable=True),
          sa.Column("created_at", sa.DateTime(), nullable=True),
          sa.PrimaryKeyConstraint("id"),
      )
      op.create_table(
          "triggers",
          sa.Column("id", sa.Integer(), nullable=False),
          sa.Column("name", sa.String(), nullable=False),
          sa.Column("project_id", sa.Integer(), nullable=False),
          sa.Column("database_id", sa.Integer(), nullable=False),
          sa.Column("table_name", sa.String(), nullable=False),
          sa.Column("columns", sa.String(), nullable=True),
          sa.Column("query_str", sa.String(), nullable=False),
          sa.Column("updated_at", sa.DateTime(), nullable=True),
          sa.Column("created_at", sa.DateTime(), nullable=True),
          sa.PrimaryKeyConstraint("id"),
      )
  
imports: from alembic import op
  import sqlalchemy
  import mindsdb.interfaces.storage.db
label_desc: Use image node_id 1 for calling a global function with example usage: upgrade() without return types