Prompt
Answer
Code:
// Documentation Block
/*
* Function: CheckValueInOtherTable
* Aim: Checks if a selected value from one table is present in another table
* Parameter: SelectedValue - A column value from a primary table
* Return: Returns a boolean value indicating if the value exists in the other table
* Raises: An exception if the subsequent argument is not compatible
*/
DEFINE
FUNCTION CheckValueInOtherTable(SelectedValue)
VAR ValueExists =
NOT ISBLANK(
LOOKUPVALUE('SecondTable'[ColumnToCheck], 'SecondTable'[ColumnToCheck], SelectedValue)
)
RETURN
ValueExists
When using this function, SelectedValue
is the data to be evaluated. It is checked in the 'SecondTable' for matching values. The function returns a boolean result (TRUE
if the value is found and FALSE
if not). An error may be raised if SelectedValue
does not match any values within ColumnToCheck
.
Example:
Assuming we have two tables Orders
and Products
. To check if a product from Orders
exists in the Products
table or not, call the function like this:
CheckValueInOtherTable(SELECTEDVALUE('Orders'[ProductID]))
It is of crucial importance to understand the context in which the function is called, as results depend on the current row or filters applied. It's highly recommended to learn more about evaluation context and advanced DAX functions in courses available on Enterprise DNA Platform.
Description
The CheckValueInOtherTable function takes a SelectedValue as input and checks if this value exists in the 'SecondTable'. It returns a boolean value indicating if the value exists or not. An exception is raised if the SelectedValue does not match any values within the ColumnToCheck of the 'SecondTable'. The function is commonly used to check if a product from the 'Orders' table exists in the 'Products' table. It is important to understand the evaluation context and the current row or filters applied when using this function. For more in-depth learning, it is recommended to explore the advanced DAX functions and evaluation context through courses available on the Enterprise DNA Platform.
More Code Generators
![Apache Flink Code Generator](https://fs.enterprisedna.co/library/icons/flink.png)
![Apache Pig Code Generator](https://fs.enterprisedna.co/library/icons/apache_pig.png)
![Azure Data Factory Code Generator](https://fs.enterprisedna.co/library/icons/azure-data-factory.png)
![C/C++ Code Generator](https://fs.enterprisedna.co/library/icons/c_c_plus.png)
![CouchDB Code Generator](https://fs.enterprisedna.co/library/icons/couchdb.png)
![DAX Code Generator](https://fs.enterprisedna.co/library/icons/power-bi.png)
![Excel Code Generator](https://fs.enterprisedna.co/library/icons/excel.png)
![Firebase Code Generator](https://fs.enterprisedna.co/library/icons/firebase.png)
![Google BigQuery Code Generator](https://fs.enterprisedna.co/library/icons/google_bigquery.png)
![Google Sheets Code Generator](https://fs.enterprisedna.co/library/icons/google_sheets.png)
![GraphQL Code Generator](https://fs.enterprisedna.co/library/icons/graphql.png)
![Hive Code Generator](https://fs.enterprisedna.co/library/icons/hive.png)
![Java Code Generator](https://fs.enterprisedna.co/library/icons/java.png)
![JavaScript Code Generator](https://fs.enterprisedna.co/library/icons/javascript.png)
![Julia Code Generator](https://fs.enterprisedna.co/library/icons/julia.png)
![Lua Code Generator](https://fs.enterprisedna.co/library/icons/lua.png)
![M (Power Query) Code Generator](https://fs.enterprisedna.co/library/icons/m.png)
![MATLAB Code Generator](https://fs.enterprisedna.co/library/icons/matlab.png)
![MongoDB Code Generator](https://fs.enterprisedna.co/library/icons/mongodb.png)
![Oracle Code Generator](https://fs.enterprisedna.co/library/icons/oracle.png)
![PostgreSQL Code Generator](https://fs.enterprisedna.co/library/icons/postgresql.png)
![Power BI Code Generator](https://fs.enterprisedna.co/library/icons/power-bi.png)
![Python Code Generator](https://fs.enterprisedna.co/library/icons/python.png)
![R Code Generator](https://fs.enterprisedna.co/library/icons/r.png)
![Redis Code Generator](https://fs.enterprisedna.co/library/icons/redis.png)
![Regex Code Generator](https://fs.enterprisedna.co/library/icons/regex.png)
![Ruby Code Generator](https://fs.enterprisedna.co/library/icons/ruby.png)
![SAS Code Generator](https://fs.enterprisedna.co/library/icons/sas.png)
![Scala Code Generator](https://fs.enterprisedna.co/library/icons/scala.png)
![Shell Code Generator](https://fs.enterprisedna.co/library/icons/shell.png)
![SPSS Code Generator](https://fs.enterprisedna.co/library/icons/spss.png)
![SQL Code Generator](https://fs.enterprisedna.co/library/icons/sql.png)
![SQLite Code Generator](https://fs.enterprisedna.co/library/icons/sqlite.png)
![Stata Code Generator](https://fs.enterprisedna.co/library/icons/stata.png)
![Tableau Code Generator](https://fs.enterprisedna.co/library/icons/tableau.png)
![VBA Code Generator](https://fs.enterprisedna.co/library/icons/vba.png)