wangyum commented on a change in pull request #25277: [SPARK-28637][SQL]
Thriftserver support interval type
URL: https://github.com/apache/spark/pull/25277#discussion_r320329219
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File path:
sql/hive-thriftserver/src/main/scala/org/apache/spark/sql/hive/thriftserver/SparkExecuteStatementOperation.scala
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@@ -308,7 +311,11 @@ private[hive] class SparkExecuteStatementOperation(
object SparkExecuteStatementOperation {
def getTableSchema(structType: StructType): TableSchema = {
val schema = structType.map { field =>
- val attrTypeString = if (field.dataType == NullType) "void" else
field.dataType.catalogString
+ val attrTypeString = field.dataType match {
+ case NullType => "void"
+ case CalendarIntervalType => "string"
+ case other => other.catalogString
Review comment:
I think we do not need to return `string` for ` ArrayType | _: StructType |
_: MapType | _: UserDefinedType[_]` because this will not change the actual
return type. Just a workaround for the interval type:
```
0: jdbc:hive2://localhost:10000> DESC SELECT interval '1' year '2' day AS i;
+-----------+------------+----------+--+
| col_name | data_type | comment |
+-----------+------------+----------+--+
| i | interval | NULL |
+-----------+------------+----------+--+
```
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