How to use XQuery Exist() Function on a SSIS XML file

I have a Package Inventory table that has an XML Column named CurrentPackageXML. This XML column contains the SSIS Package XML. I need to use the XQuery Exist() function to determine if the
errorRowDisposition="IgnoreFailure" exists.
Below I have a basic SQL statement, but I have no idea how to write the Correct XQuery Expression. In my example below, I just tried to see if the DTS:Name Property existed, but that XQuery Expression is invalid also. It is not what I need in the end, but
I was just trying to get anything to work.
Below my SQL, I have included a snip-it of the SSIS package XML where I can find the errorRowDisposition. It is to the far right, so you may have to scroll to the right to see it. I bolded the text so it is easier to find.
Finally, once I have got a SQL statement that checks if errorRowDisposition exists = False, I need to check for every occurrence of errorRowDisposition exists = False.
Would there be an easier way to do this by converting the XML to a varchar(max) then searching for all instances of errorRowDisposition exists = False?
SELECT CurrentPackageXML.exist('/DTS:Executable/DTS:Property[DTS:Name]')
FROM [dbo].[PackageInventory]
<inputs>
<input id="43" name="OLE DB Destination Input" description="" hasSideEffects="true" dangling="false" errorOrTruncationOperation="Insert" errorRowDisposition="FailComponent" truncationRowDisposition="NotUsed">
<inputColumns>
<inputColumn id="113" name="" description="" lineageId="110" usageType="readOnly" errorOrTruncationOperation="" errorRowDisposition="NotUsed" truncationRowDisposition="NotUsed" externalMetadataColumnId="95" mappedColumnId="0" />
<inputColumn id="172" name="" description="" lineageId="167" usageType="readOnly" errorOrTruncationOperation="" errorRowDisposition="NotUsed" truncationRowDisposition="NotUsed" externalMetadataColumnId="94" mappedColumnId="0" />
</inputColumns>
<externalMetadataColumns isUsed="True">
<externalMetadataColumn id="50" name="DateCreated" description="" precision="0" scale="0" length="0" dataType="dbTimeStamp" codePage="0" mappedColumnId="0" />
<externalMetadataColumn id="51" name="ProcessedCount" description="" precision="0" scale="0" length="0" dataType="i4" codePage="0" mappedColumnId="0" />
<externalMetadataColumn id="52" name="ErrorCount" description="" precision="0" scale="0" length="0" dataType="i4" codePage="0" mappedColumnId="0" />
<externalMetadataColumn id="90" name="AcknowledgementID" description="" precision="0" scale="0" length="0" dataType="i4" codePage="0" mappedColumnId="0" />
<externalMetadataColumn id="91" name="Date" description="" precision="0" scale="0" length="0" dataType="dbTimeStamp" codePage="0" mappedColumnId="0" />
<externalMetadataColumn id="92" name="FileSeqNumber" description="" precision="0" scale="0" length="0" dataType="i4" codePage="0" mappedColumnId="0" />
<externalMetadataColumn id="93" name="FileType" description="" precision="0" scale="0" length="50" dataType="str" codePage="65001" mappedColumnId="0" />
<externalMetadataColumn id="94" name="FileName" description="" precision="0" scale="0" length="50" dataType="str" codePage="65001" mappedColumnId="0" />
<externalMetadataColumn id="95" name="DateReceived" description="" precision="0" scale="0" length="0" dataType="dbTimeStamp" codePage="0" mappedColumnId="0" />
</externalMetadataColumns>
</input>
</inputs>
Ryan P. Casey • <a href="http://www.R-P-C-Group.com">www.R-P-C-Group.com</a>

Try this and let know what errors you get. Note, this is a rough draft of one of a series of queries that I have started writing to document SSIS using SQL XQuery. I read a file in my version (the one I tested) and get the results.
-- Get the flat file destinations and their mappings
with xmlnamespaces ('www.microsoft.com/SqlServer/Dts' as DTS
), compflow as (
SELECT
task.xml.value('@DTS:ObjectName', 'varchar(200)') as TaskName
, task.xml.value('@DTS:ExecutableType', 'varchar(200)') as TaskType
, task.xml.value('@DTS:refId', 'varchar(1000)') as TaskRefId
--, task.xml.query ('.') as Node
, component.xml.value ('@name', 'varchar(200)') as ComponentName
, component.xml.value ('@refId', 'varchar(1000)') as ComponentRefId
, component.xml.value ('@componentClassID', 'varchar(1000)') AS componentClassID
--, component.xml.value ('count(inputs/input)', 'int') AS NumberOfInputs
--, component.xml.value ('count(outputs/output)', 'int') AS NumberOfOutputs
--, component.xml.value ('count(outputs/output[@isErrorOut="true"])', 'int') AS NumberOfErrorOutputs
, component.xml.query('.') as ComponentNode
FROM [dbo].[PackageInventory] pk
cross apply pk.CurrentPackageXML.nodes('//DTS:Executable[@DTS:ExecutableType="Microsoft.Pipeline"]') as task (xml)
OUTER APPLY task.xml.nodes('DTS:ObjectData/pipeline/components/component') as component (xml)
WHERE [PackageInventory_ID] = 13
, inputNode as (
SELECT c.*
, input.xml.value ('@name', 'varchar(200)') as InputName
, input.xml.value ('@refId', 'varchar(1000)') as InputRefId
, input.xml.value ('@hasSideEffects', 'varchar(1000)') as InputHasSideEffects
, input.xml.value ('count(inputColumns/inputColumn)', 'int') AS NumberOfInputColumns
, input.xml.value ('count(externalMetadataColumns/externalMetadataColumn)', 'int') AS NumberOfExternalMetadataColumns
, input.xml.value ('@errorOrTruncationOperation', 'varchar(1000)') as InputerrorOrTruncationOperation
, input.xml.value ('@errorRowDisposition', 'varchar(1000)') as InputerrorRowDisposition
, col.xml.value ('@errorOrTruncationOperation', 'varchar(1000)') as InputColumnErrorOrTruncationOperation
, col.xml.value ('@errorRowDisposition', 'varchar(1000)') as InputColumnErrorRowDisposition
from compFlow c
OUTER APPLY c.ComponentNode.nodes ('component/inputs/input') as input (xml)
OUTER APPLY input.xml.nodes ('inputColumns/inputColumn') as col (xml)
, inputAnal as (
select
TaskName
,TaskType
,TaskRefId
,ComponentName
,ComponentRefId
,componentClassID
,InputName
,InputRefId
,InputHasSideEffects
, Null as IsError
,NumberOfInputColumns
,NumberOfExternalMetadataColumns
,InputerrorOrTruncationOperation
,InputerrorRowDisposition
,InputColumnErrorOrTruncationOperation
,InputColumnErrorRowDisposition
, count(*) as NumRec
from inputNode
group by TaskName
,TaskType
,TaskRefId
,ComponentName
,ComponentRefId
,componentClassID
,InputName
,InputRefId
,InputHasSideEffects
,NumberOfInputColumns
,NumberOfExternalMetadataColumns
,InputerrorOrTruncationOperation
,InputerrorRowDisposition
,InputColumnErrorOrTruncationOperation
,InputColumnErrorRowDisposition
, xoutputNode as (
SELECT
TaskName
,TaskType
,TaskRefId
,ComponentName
,ComponentRefId
,componentClassID
, xout.xml.value ('@name', 'varchar(200)') as OutputName
, xout.xml.value ('@refId', 'varchar(1000)') as OutputRefId
, xout.xml.value ('@hasSideEffects', 'varchar(1000)') as OutputHasSideEffects
, xout.xml.value ('@isErrorOut', 'varchar(1000)') as OutputIsError
, xout.xml.value ('count(outputColumns/outputColumn)', 'int') AS NumberOfOutputColumns
, xout.xml.value ('count(externalMetadataColumns/externalMetadataColumn)', 'int') AS NumberOfExternalMetadataColumns
, xout.xml.value ('@errorOrTruncationOperation', 'varchar(1000)') as OutputerrorOrTruncationOperation
, xout.xml.value ('@errorRowDisposition', 'varchar(1000)') as OutputerrorRowDisposition
, col.xml.value ('@errorOrTruncationOperation', 'varchar(1000)') as OutputColumnErrorOrTruncationOperation
, col.xml.value ('@errorRowDisposition', 'varchar(1000)') as OutputColumnErrorRowDisposition
from compFlow c
OUTER APPLY c.ComponentNode.nodes ('component/outputs/output') as xout (xml)
OUTER APPLY xout.xml.nodes ('outputColumns/outputColumn') as col (xml)
, outputAnal as(
select
TaskName
,TaskType
,TaskRefId
,ComponentName
,ComponentRefId
,componentClassID
,OutputName
,OutputRefId
,OutputHasSideEffects
,OutputIsError
,NumberOfOutputColumns
,NumberOfExternalMetadataColumns
,OutputerrorOrTruncationOperation
,OutputerrorRowDisposition
,OutputColumnErrorOrTruncationOperation
,OutputColumnErrorRowDisposition
, count (*) as NumberOfRows
from xoutputNode
group by TaskName
,TaskType
,TaskRefId
,ComponentName
,ComponentRefId
,componentClassID
,OutputName
,OutputRefId
,OutputHasSideEffects
,OutputIsError
,NumberOfOutputColumns
,NumberOfExternalMetadataColumns
,OutputerrorOrTruncationOperation
,OutputerrorRowDisposition
,OutputColumnErrorOrTruncationOperation
,OutputColumnErrorRowDisposition
select 'Input' as RowType, i.* from inputAnal i
union all
select 'Output' as RowType, o.* from outputAnal o
Russel Loski, MCT, MCSE Data Platform/Business Intelligence. Twitter: @sqlmovers; blog: www.sqlmovers.com

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