Filter out null and zero values from trace flags in Get-SqlDscTraceFlag for accurate results; ensure valid trace flags start at 1.

johlju · johlju · commit 9338719c211f · 2025-10-11T12:07:42.000+02:00
diff --git a/source/Public/Get-SqlDscTraceFlag.ps1 b/source/Public/Get-SqlDscTraceFlag.ps1
@@ -73,9 +73,12 @@ function Get-SqlDscTraceFlag
 
     $traceFlags = [System.UInt32[]] @()
 
-    if ($startupParameter)
+    if ($startupParameter -and $startupParameter.TraceFlag)
     {
-        $traceFlags = $startupParameter.TraceFlag
+        # Filter out null and zero values (nulls get converted to 0 in UInt32 arrays).
+        # Valid trace flags start at 1.
+        $traceFlags = $startupParameter.TraceFlag |
+            Where-Object -FilterScript { $_ -ne 0 }
     }
 
     Write-Debug -Message (

Original file line number	Diff line number	Diff line change
`@@ -73,9 +73,12 @@ function Get-SqlDscTraceFlag`
`73`	`73`
`74`	`74`	`$traceFlags = [System.UInt32[]] @()`
`75`	`75`
`76`		`- if ($startupParameter)`
	`76`	`+ if ($startupParameter -and $startupParameter.TraceFlag)`
`77`	`77`	`{`
`78`		`- $traceFlags = $startupParameter.TraceFlag`
	`78`	`+ # Filter out null and zero values (nulls get converted to 0 in UInt32 arrays).`
	`79`	`+ # Valid trace flags start at 1.`
	`80`	`+ $traceFlags = $startupParameter.TraceFlag \|`
	`81`	`+ Where-Object -FilterScript { $_ -ne 0 }`
`79`	`82`	`}`
`80`	`83`
`81`	`84`	`Write-Debug -Message (`