New aggregation function: map_agg. This function requires two arguments: a key and a value, which are used to build a map. select map_agg(column1, column2) from t group by column3;
New aggregation function: map_agg. This function requires two arguments: a key and a value, which are used to build a map. select map_agg(column1, column2) from t group by column3;