Github user jinfengni commented on a diff in the pull request:
https://github.com/apache/drill/pull/193#discussion_r41682242
--- Diff:
contrib/storage-hive/core/src/main/java/org/apache/drill/exec/store/hive/schema/DrillHiveTable.java
---
@@ -179,4 +179,9 @@ private void throwUnsupportedHiveDataTypeError(String
hiveType) {
throw new RuntimeException(errMsg.toString());
}
+
+ @Override
+ public boolean providesDeferredSchema() {
--- End diff --
I think DrillHiveTable or other schema-aware table would return
RelRecordType (in Calcite), when calling typeFactory.createStructType() as
RowType.
For DrillDynamicTable, which is schema-less, the RowType would be
RelDataTypeDrillImpl.
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