toddmeng-db commented on code in PR #3217:
URL: https://github.com/apache/arrow-adbc/pull/3217#discussion_r2260939798
##########
csharp/src/Drivers/Databricks/DatabricksCompositeReader.cs:
##########
@@ -66,10 +63,16 @@ internal DatabricksCompositeReader(DatabricksStatement
statement, Schema schema,
_proxyConfigurator = proxyConfigurator;
// use direct results if available
- if (_statement.HasDirectResults && _statement.DirectResults !=
null && _statement.DirectResults.__isset.resultSet)
+ if (_statement.HasDirectResults && _statement.DirectResults !=
null && _statement.DirectResults.__isset.resultSet &&
statement.DirectResults?.ResultSet != null)
{
_activeReader =
DetermineReader(_statement.DirectResults.ResultSet);
+ if (!statement.DirectResults.ResultSet.HasMoreRows)
+ {
+ return;
+ }
Review Comment:
it's a bit more efficient for linting, otherwise a bunch of null checks
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