CurtHagenlocher commented on code in PR #2737:
URL: https://github.com/apache/arrow-adbc/pull/2737#discussion_r2056167393
##########
csharp/src/Drivers/Apache/Hive2/HiveServer2Statement.cs:
##########
@@ -104,12 +106,19 @@ private async Task<QueryResult>
ExecuteQueryAsyncInternal(CancellationToken canc
// OR
// take QueryTimeoutSeconds (but this could be restricting)
await ExecuteStatementAsync(cancellationToken); // --> get
QueryTimeout +
- await HiveServer2Connection.PollForResponseAsync(OperationHandle!,
Connection.Client, PollTimeMilliseconds, cancellationToken); // + poll, up to
QueryTimeout
- TGetResultSetMetadataResp response = await
HiveServer2Connection.GetResultSetMetadataAsync(OperationHandle!,
Connection.Client, cancellationToken);
- Schema schema =
Connection.SchemaParser.GetArrowSchema(response.Schema,
Connection.DataTypeConversion);
+ TGetResultSetMetadataResp metadata;
+ if (DirectResults?.OperationStatus?.OperationState ==
TOperationState.FINISHED_STATE)
+ {
+ // The initial response has result data so we don't need to
poll
+ metadata = DirectResults.ResultSetMetadata;
+ } else {
Review Comment:
```suggestion
}
else
{
```
##########
csharp/src/Drivers/Apache/Hive2/HiveServer2Statement.cs:
##########
@@ -54,6 +54,8 @@ protected virtual void
SetStatementProperties(TExecuteStatementReq statement)
statement.QueryTimeout = QueryTimeoutSeconds;
}
+ public TSparkDirectResults? DirectResults { get; set; }
Review Comment:
```suggestion
protected TSparkDirectResults? DirectResults { get; set; }
```
##########
csharp/src/Drivers/Apache/Hive2/HiveServer2Statement.cs:
##########
@@ -257,6 +266,19 @@ protected async Task
ExecuteStatementAsync(CancellationToken cancellationToken =
.SetNativeError(executeResponse.Status.ErrorCode);
}
OperationHandle = executeResponse.OperationHandle;
+
+ // Capture direct results if they're available
+ if (executeResponse.DirectResults != null)
+ {
+ DirectResults = executeResponse.DirectResults;
+
+ if
(!string.IsNullOrEmpty(DirectResults.OperationStatus?.DisplayMessage))
+ {
+ throw new
HiveServer2Exception(DirectResults.OperationStatus.DisplayMessage)
Review Comment:
```suggestion
throw new
HiveServer2Exception(DirectResults.OperationStatus!.DisplayMessage)
```
I think the null-forgiveness operator is required here because the
nullability analysis doesn't know about `string.IsNullOrEmpty`.
##########
csharp/src/Drivers/Databricks/DatabricksStatement.cs:
##########
@@ -48,6 +48,20 @@ protected override void
SetStatementProperties(TExecuteStatementReq statement)
statement.CanDownloadResult = useCloudFetch;
statement.CanDecompressLZ4Result = canDecompressLz4;
statement.MaxBytesPerFile = maxBytesPerFile;
+
+ if (Connection.AreResultsAvailableDirectly())
+ {
+ statement.GetDirectResults =
DatabricksConnection.defaultGetDirectResults;
+ }
+ }
+
+ /// <summary>
+ /// Checks if direct results are available.
+ /// </summary>
+ /// <returns>True if direct results are available and contain result
data, false otherwise.</returns>
+ public bool HasDirectResults()
Review Comment:
```suggestion
public bool HasDirectResults => DirectResults?.ResultSet != null &&
DirectResults?.ResultSetMetadata != null;
```
(This is a good candidate to be a property instead of a method.)
##########
csharp/src/Drivers/Databricks/DatabricksConnection.cs:
##########
@@ -33,6 +33,12 @@ namespace Apache.Arrow.Adbc.Drivers.Databricks
internal class DatabricksConnection : SparkHttpConnection
{
private bool _applySSPWithQueries = false;
+ private bool _enableDirectResults = true;
+
+ internal static TSparkGetDirectResults defaultGetDirectResults = new(){
Review Comment:
```suggestion
internal static TSparkGetDirectResults defaultGetDirectResults =
new()
{
```
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