Github user mgaido91 commented on a diff in the pull request:
https://github.com/apache/spark/pull/21789#discussion_r203321155
--- Diff:
sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/Column.java ---
@@ -349,7 +349,7 @@ public void addValue(Type type, Object field) {
break;
case FLOAT_TYPE:
nulls.set(size, field == null);
- doubleVars()[size] = field == null ? 0 :
((Float)field).doubleValue();
+ doubleVars()[size] = field == null ? 0 : new
Double(field.toString());
--- End diff --
if the problem is the precision, isn't enough to cast it to Double instead
of creating a double out of a string?
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