https://learninghub.kx.com/forums/topic/fundamental-capstone-project-2-3-proejction
messages: update trade_id: trade_id, exch_message, broker_id: extractBrokerId each exch_message from messages extractBrokerId: {[exch_message] temp: "-" vs exch_message; msg: temp[0]; res: temp[2]; if[msg ~ "ISE"; res:temp[1]]; "J"$res}
this is my current code for 2.3 but the output is a projection can you see what i'm doing wrong