Github user yhuai commented on a diff in the pull request: https://github.com/apache/spark/pull/9249#discussion_r42890747 --- Diff: sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/json/InferSchema.scala --- @@ -103,11 +107,14 @@ private[sql] object InferSchema { // the type as we pass through all JSON objects. var elementType: DataType = NullType while (nextUntil(parser, END_ARRAY)) { - elementType = compatibleType(elementType, inferField(parser)) + elementType = compatibleType(elementType, inferField(parser, primitivesAsString)) } ArrayType(elementType) + case (VALUE_NUMBER_INT | VALUE_NUMBER_FLOAT) if primitivesAsString => StringType + case (VALUE_TRUE | VALUE_FALSE) if primitivesAsString => StringType --- End diff -- Add a newline between these two cases?
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