Azure Data Explorer: delta-kusto error in parsing update policy

Question

Azure Data Explorer: delta-kusto error in parsing update policy

Elisa Piccin 0

Hi,

I'm trying to follow this tutorial https://github.com/microsoft/delta-kusto/blob/main/documentation/tutorials/overview-tutorial/README.md

and at this step

delta-kusto -p download-dev.yaml -o tokenProvider.login.tenantId=$tenantId tokenProvider.login.clientId=$clientId tokenProvider.login.secret=$secret jobs.download-dev.target.adx.clusterUri=$clusterUri)

I'm getting an error "Error: Issue parsing script Exception encountered: System.InvalidOperationException ; Function body was expected to be surrounded by curly brace but isn't: {..."

My update policy is something like this:

.create-or-alter function with (docstring = "Ingest raw telemetry data",folder = "ingestprojection") ParseTelemetry() {
let JobNumbers = 
   .... ;


InjectionMoulding
| mv-expand values
| extend convertedTimestamp = tolong(timestamp) * 1ms
| project ....
....
}

Did anyone experience a similar issue and/or know how to solve it?

Thanks,

Elisa

Answer 1

Elisa Piccin 0

The issue was the blank line after the let; command. After removing the blank line, everything is working properly. 😅

PRADEEPCHEEKATLA-MSFT 66,241 Reputation points Microsoft Employee

2023-08-29T05:07:02.3266667+00:00

@Elisa Piccin - Glad to know that your issue has been resolved. And thanks for sharing the solution, which might be beneficial to other community members reading this thread.
Wilko van de Velde 1,451 Reputation points

2023-08-29T05:47:23.0466667+00:00
You can use an empty comment line, by adding //, to split blocks of code. It's a bit of a hack but it will be more clear.
Example:

let JobNumbers = 1223; // InjectionMoulding | mv-expand values

Azure Data Explorer: delta-kusto error in parsing update policy

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