Skip to main content
cancel
Showing results for 
Search instead for 
Did you mean: 

Score big with last-minute savings on the final tickets to FabCon Vienna. Secure your discount

Reply
HarderT
Helper II
Helper II

Pipeline change Date to Datetime

Hi together,

 

this is an example of my Importjob. I create a Table with a lot of tablenames from our source database and the ForEach-Task copy the table into our Lakehouse. 

HarderT_0-1715091166922.png

 

In the process,  HarderT_1-1715091254528.png  become  HarderT_2-1715091287268.png.

 

Does anyone have the same problem and know a solution?

 

1 ACCEPTED SOLUTION
HarderT
Helper II
Helper II

I have seen that there is already a known issue for this. However, I use Pipeline and not Dataflow Gen2.

 

Known issue - Type mismatch when writing decimals and dates to lakehouse using a dataflow - Microsof...

View solution in original post

5 REPLIES 5
HarderT
Helper II
Helper II

I have seen that there is already a known issue for this. However, I use Pipeline and not Dataflow Gen2.

 

Known issue - Type mismatch when writing decimals and dates to lakehouse using a dataflow - Microsof...

Anonymous
Not applicable

Thanks for the details @HarderT 
I will keep you posted regarding the updates of this known issue. Appreciate your patience.

Anonymous
Not applicable

Hi @HarderT 

Thanks for using Fabric Community.

Are you using On prem database here?

Have you set/checked the data type in the Mapping tab in Copy?

Anonymous
Not applicable

Hi @HarderT 
Under mapping you have Advanced settings:

vnikhilanmsft_0-1715104670476.png


If in the source, the column is determined to be a String then running the type checker doesn't understand the source's format.
If you need to force a String -> Date, precreate the table.

Hope this helps. Please let me know if you have any further questions.

Hi @Anonymous,

the source is an OnPrem-Database. The Columntyp there is DATE and after import into Lakehouse its DATETIME.

 

I dont use the Mapping-Tab, because I use a ForEach-Loop to import many tables.

 

I already tried to change the typ with Type conversion settings, but somehow it doenst work. I need the column not as string, but as same as in the source.

 

I try to precreate the table and see what happens.

Helpful resources

Announcements
August 2025 community update carousel

Fabric Community Update - August 2025

Find out what's new and trending in the Fabric community.