code: def upgrade():
      op.create_index(
          "ix_report_execution_log_report_schedule_id",
          "report_execution_log",
          ["report_schedule_id"],
          unique=False,
      )
      op.create_index(
          "ix_report_execution_log_start_dttm",
          "report_execution_log",
          ["start_dttm"],
          unique=False,
      )
      op.create_index(
          "ix_report_recipient_report_schedule_id",
          "report_recipient",
          ["report_schedule_id"],
          unique=False,
      )
  
imports: import sqlalchemy
  from alembic import op
  from sqlalchemy.dialects import postgresql
label_desc: Use image node_id 1 for calling a global function with example usage: upgrade() without return types