I have a list of U.S. states where duplicate values are also available. I need to find how many unique states are there in a list.
'Unique' function returns all the unique states but in conjunction with 'query' function the following error message is returned:
Unable to parse query string for Function QUERY parameter 2: NO_COLUMN: A
=query(unique(A3:A26),"Select count(A)")
What am I doing wrong?
Having reconstructed the data (after UNIQUE it is different) you can't then continue with letters for column references. So:
=query(unique(A3:A26),"Select count(Col1)")
Related
I have a Dataverse table named my_sample_table.
Inside the table I have a column named my_sample_column of type integer whose max value should be returned. Am trying to achieve this by using the List rows action provided with PowerAutomate.
Is there a filter query that can be written on the Filter rows property ? similar to what we use with SQL : max(columnname)
Or any other queries that can be included in the List rows action which will return the same result.
I know that I can iterate through the column values to get the max value using an expresion or by sorting it and getting the topmost one. But I was wondering whether there are any direct approach to it.
I would try and use a max aggregate for this column in a Fetch Xml query:
https://learn.microsoft.com/en-us/power-apps/developer/data-platform/use-fetchxml-aggregation#max
When a direct number for the TestPlanID is given it works.
When passing the value from sheet to a Query and then appending it to URL throws an error.
Expression.Error: We cannot apply operator & to types Text and Number.
Details:
Operator=&
Left=https://analytics.dev.azure.com/OrgName/ProjName/_odata/v3.0-preview/TestPoints?$apply=filter((TestSuite/TestPlanId eq
Right=39128
Can you try
eq"""&varTPID&"""
If value of varTPID is an integer/decimal, can you change the first line in power query to varTPID=Text.From(varTestPlanID) and then use eq"""&varTPID&"""
Also I think, TestPoints?"&"$apply needs to be changed to TestPoints?$apply
I am trying to match a list of range with certain criteria in a google spreadsheet. I am using DGET function for the same. Everything is working fine but the problem comes when there are many entries that contain the whole string and I receive "More than one match found in DGET evaluation.".
For the better understanding look below:
Sheet "Form Responses 1":
B
-------
Ronald
Ronaldo
Ronaldinho
Rebarto
Matching sheet entries:
A
------
Ronald
Rebarto
Juhino
My Formula is:
=DGET('Form Responses 1'!B:H,"Date",{"Email Address","Logging In or Logging out ?","Date";A2,$B$1,$H$1})
Now the problem is Ronald is matching with "Ronald","Ronaldo" and "Ronaldinho" and I am receiving the error which says "multiple entries found".
How do we solve this?
I solved the problem by Concatenating a constant variable before and after the name. For example Ronaldo becomes mRonamdom and Ronald becomes mRonaldm. This makes the Names Unique and solves the problem.
If you don't want to modify the data but to fix the formula so it doesn't get confused with similar entries in your database parameter you can add a character to the criteria field of the dget function as shown below (I'm using an '=' sign concatenated to the value I want to match with in the database parameter)
=dget(database!$A$1:$B$11,$M$1,{"columnName";"="&F2})
where
A1:B11 is my database
M1 is the matching column name
and "="&F2 is the field with the caracter I chose that I want to match with to retrieve values from the matching database column, now even if the there are more than one matches found (becuase matching substrings"), the addition of the caracter contatenated with the matching value, should take care of the in-accurate error.
Considering a simple table:
CREATE TABLE transactions (
enterprise_id uuid,
transaction_id text,
state text,
PRIMARY KEY ((enterprise_id, transaction_id))
and Solr core with default, auto-generated parameters.
How do I construct a Solr query that will find me record(s) in this table that have state value exact match to an input, considering the state can be arbitrary string?
I tried this with state value of a+b. This works fine with q=state:"a+b", but that creates a "phrase query":
"rawquerystring": "state:\"a+b\"",
"querystring": "state:\"a+b\"",
"parsedquery": "PhraseQuery(state:\"a b\")",
"parsedquery_toString": "state:\"a b\"",
So, the same record is found if I use query like q=state:"a(b", which results into the same phrased query and finds the record with state of a+b. That is unacceptable to me, because I need an exact match.
I went through https://cwiki.apache.org/confluence/display/solr/Other+Parsers, and tried using q={!term f=state}a+b or q={!raw f=state}a+b, but neither even finds my sample transaction record.
Probably you got state generated as a TextField where standard tokenization is applied StandardTokenizer and then a split is made on + and the plus sign itself is discarded. You could use a different tokenizer (whitespace?) or just make state an StrField for an exact match.
This works for me with state as an StrField:
select * from transactions where solr_query='state:a+b';
I have heard that specifying records through tuples in the code is a bad practice: I should always use record fields (#record_name{record_field = something}) instead of plain tuples {record_name, value1, value2, something}.
But how do I match the record against an ETS table? If I have a table with records, I can only match with the following:
ets:match(Table, {$1,$2,$3,something}
It is obvious that once I add some new fields to the record definition this pattern match will stop working.
Instead, I would like to use something like this:
ets:match(Table, #record_name{record_field=something})
Unfortunately, it returns an empty list.
The cause of your problem is what the unspecified fields are set to when you do a #record_name{record_field=something}. This is the syntax for creating a record, here you are creating a record/tuple which ETS will interpret as a pattern. When you create a record then all the unspecified fields will get their default values, either ones defined in the record definition or the default default value undefined.
So if you want to give fields specific values then you must explicitly do this in the record, for example #record_name{f1='$1',f2='$2',record_field=something}. Often when using records and ets you want to set all the unspecified fields to '_', the "don't care variable" for ets matching. There is a special syntax for this using the special, and otherwise illegal, field name _. For example #record_name{record_field=something,_='_'}.
Note that in your example you have set the the record name element in the tuple to '$1'. The tuple representing a record always has the record name as the first element. This means that when you create the ets table you should set the key position with {keypos,Pos} to something other than the default 1 otherwise there won't be any indexing and worse if you have a table of type 'set' or 'ordered_set' you will only get 1 element in the table. To get the index of a record field you can use the syntax #Record.Field, in your example #record_name.record_field.
Try using
ets:match(Table, #record_name{record_field=something, _='_'})
See this for explanation.
Format you are looking for is #record_name{record_field=something, _ = '_'}
http://www.erlang.org/doc/man/ets.html#match-2
http://www.erlang.org/doc/programming_examples/records.html (see 1.3 Creating a record)