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skyline01 Regular Visitor
Regular Visitor

how to expose converted MySQL query

I have a Power BI report that connects to a cloud source via an ODBC driver.  The cloud source's DB is MySQL.  I have a fairly long and complicated list of steps that are applied in my query (e.g., query 2+ tables, merge, etc).  Is there a way to expose the equivalent MySQL query that M generates?

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skyline01 Regular Visitor
Regular Visitor

Re: how to expose converted MySQL query

I just discovered that there is a View Native Query feature when you right-click on certain steps in the query.  In particular, so far, I see that there are are queries for Navigation and Removed Other Columns steps.  I was expecting to see a query only for the Navigation step.  Does this imply that Power BI reads the data multiple times?

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Community Support Team
Community Support Team

Re: how to expose converted MySQL query

Hi @skyline01,

 

You can find the M code in the power query, please refer to the picture as below.

 

222.PNG

 

Regards,

Frank

Community Support Team _ Frank
If this post helps, then please consider Accept it as the solution to help the other members find it more quickly.
skyline01 Regular Visitor
Regular Visitor

Re: how to expose converted MySQL query

Hi @v-frfei-msft,

 

I know I can expose the M query.  My problem is that I need the M query converted to the query language of the source (in this case, MySQL).  I now know that I can view the source query with the 'View Native Query' feature (right-click on a step in the query editor).  However, I don't understand why I can see 'View Native Query' for 2+ steps.  I was expecting to see only 1 native query.  For example, I expect to see a native query for the default Navigation step, but I wasn't expecting to see a native query for a 'Removed Other Columns' step.  Does this imply that 2+ queries are issued to the source?  Or, does Power BI convert the 2+ queries into 1 query and issue that 1 query to the source?