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Added support for Query Defined Tables (Sub-Queries) #1

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Added support for Query Defined Tables (Sub-Queries) #1

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1317388
Add support for QueryDefinedTables
enragedbunny Sep 3, 2018
64bedb2
Merge pull request #1 from enragedbunny/enragedbunny-QueryDefinedTabl…
enragedbunny Sep 3, 2018
71ce546
Create QueryDefinedTable.sql
enragedbunny Sep 3, 2018
40519be
Merge pull request #2 from enragedbunny/enragedbunny-QueryDefinedTabl…
enragedbunny Sep 3, 2018
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18 changes: 17 additions & 1 deletion Test-SQLScripts.ps1
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Original file line number Diff line number Diff line change
Expand Up @@ -99,7 +99,19 @@ begin {
Return $TableReference.SchemaObject
}
}

function Get-UpdatedTableFromQueryDefinedTable($QueryDefinedTable) {
Write-Verbose "Looks like a sub query was used, need to get into the sub queries..."
If ($QueryDefinedTable.QueryExpression) {
Get-UpdatedTableFromQueryDefinedTable $QueryDefinedTable.QueryExpression.FromClause.TableReferences
} Else {
Write-Verbose "closing recursion..."
If ($QueryDefinedTable.FirstTableReference) {
Get-UpdatedTableFromReferences $QueryDefinedTable.FirstTableReference
} Else {
Return $QueryDefinedTable.SchemaObject
}
}
}
function Get-Statement ($Statement, $Keys) {
$StatementObject = [PSCustomObject] @{
PSTypeName = "Parser.DOM.Statement"
Expand Down Expand Up @@ -140,6 +152,10 @@ begin {
$SchemaObject = Get-UpdatedTableFromReferences $statement.Queryexpression.fromclause.tablereferences.FirstTableReference
$StatementObject.OnObjectSchema = $SchemaObject.SchemaIdentifier.Value
$StatementObject.OnObjectName = $SchemaObject.BaseIdentifier.Value
} elseif ($ObjectType -eq "SelectStatement" -and $statement.Queryexpression.FromClause.TableReferences.QueryExpression -ne $null) {
$SchemaObject = Get-UpdatedTableFromQueryDefinedTable $statement.QueryExpression.FromClause.TableReferences
$StatementObject.OnObjectSchema = $SchemaObject.SchemaIdentifier.Value
$StatementObject.OnObjectName = $SchemaObject.BaseIdentifier.Value
} else {
try {
$StatementObject.StatementType = $Statement.GetType().Name.ToString()
Expand Down
7 changes: 7 additions & 0 deletions TestScripts/QueryDefinedTable.sql
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Original file line number Diff line number Diff line change
@@ -0,0 +1,7 @@
SELECT sub.last_name,
sub.first_name
FROM (SELECT customer.last_name,
customer.first_name
FROM customer
WHERE customer.age > '30') AS sub