Github user chunhui-shi commented on a diff in the pull request: https://github.com/apache/drill/pull/518#discussion_r70863798 --- Diff: exec/java-exec/src/main/java/org/apache/drill/exec/vector/complex/fn/JsonReader.java --- @@ -110,21 +118,29 @@ public void ensureAtLeastOneField(ComplexWriter writer) { emptyStatus.set(i, true); } if (i == 0 && !allTextMode) { - // when allTextMode is false, there is not much benefit to producing all the empty - // fields; just produce 1 field. The reason is that the type of the fields is - // unknown, so if we produce multiple Integer fields by default, a subsequent batch - // that contains non-integer fields will error out in any case. Whereas, with - // allTextMode true, we are sure that all fields are going to be treated as varchar, - // so it makes sense to produce all the fields, and in fact is necessary in order to + // when allTextMode is false, there is not much benefit to producing all --- End diff -- Seems the line width changed here(line 121-132). Please reorganize the text. If possible keep the original text unchanged. The same in line 140-143
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