GROUP_CONCAT(JSON_QUOTE(a.name)) , ']') AS JSON) AS product_attributes FROM product as p JOIN value AS v ON p.id=v.prod_id JOIN attribute as a ON a.id=v.attribute_id GROUP BY v.prod_id; SELECT JSON_OBJECT("key",
The query below shows theCOLLECTfunction in action. COLUMN employees FORMAT A50 SELECT deptno, tab_to_string(CAST(COLLECT(ename) AS t_varchar2_tab)) AS employees FROM emp GROUP BY deptno; DEPTNO EMPLOYEES --- --- 10 CLARK,KING,MILLER 20 SMITH,JONES,SCOTT,ADAMS,FORD 30 ALLEN,WARD,MARTIN...
2.2. Using the CONCAT Function The CONCAT function is widely supported in MySQL, SQL Server, and other databases: SELECT CONCAT(name, ' (', code, ')') AS department_info FROM Department; 2.3. Using the CONCAT_WS Function The CONCAT_WS (Concatenate With Separator) function allows us to sp...
function(<initArg1>, <initArg2>, ...) { ... return<initialState> } initArgs 阵列 Optional. Arguments passed to theinitfunction. initArgshas the following form: [ <initArg1>, <initArg2>, ... ] IMPORTANT:When used in a$bucketAutostage,initArgscannot refer to the group key (i.e....
End Functionand the expression for my Customer Id has the value:= RunningValue(Code.ConcatSalesIds(Fields!CustomerID.Value, Fields!SalesOrderID.Value), Last, "custGroup")where "custGroup" is the grouping done on Fields!CustomerID.Value
$group $setWindowFields starting in MongoDB 5.0 (except when you are using the $accumulator or $mergeObjects operators, which cannot be used with $setWindowFields) Changed in version 5.0. Name Description $accumulator Returns the result of a user-defined accumulator function. $addToSet Returns an...
changed in version 5.0 . name description returns the result of a user-defined accumulator function. returns an array of unique expression values for each group. order of the array elements is undefined. changed in version 5.0 : available in the $setwindowfields stage. returns an average of ...
rank $derivative $divide $documentnumber $eq $exp $expmovingavg $filter $first $firstn $floor $function $getfield $gt $gte $hour $ifnull $in $indexofarray $indexofbytes $indexofcp $integral $isarray $isnumber $isodayofweek $isoweek $isoweekyear $last $lastn $let $linearfill $literal...
Optional. The num option provides the same function as the limitoption. Both define the maximum number of documents to return. If both options are included, the num value overrides the limit value. maxDistance number Optional. A distance from the center point. Specify the distance in radians. ...
GROUP BY UserID; Unfortunately, the output data type from the subquery in this case isxml. This leads to the following error message: Msg 8116, Level 16, State 1 Argument data type xml is invalid for argument 1 of stuff function.