JingsongLi commented on a change in pull request #11277: [FLINK-16360][orc]
Flink STRING data type should map to ORC STRING type
URL: https://github.com/apache/flink/pull/11277#discussion_r386226261
##########
File path:
flink-formats/flink-orc/src/main/java/org/apache/flink/orc/OrcSplitReaderUtil.java
##########
@@ -140,7 +140,12 @@ static TypeDescription logicalTypeToOrcType(LogicalType
type) {
case CHAR:
return
TypeDescription.createChar().withMaxLength(((CharType) type).getLength());
case VARCHAR:
- return
TypeDescription.createVarchar().withMaxLength(((VarCharType) type).getLength());
+ int len = ((VarCharType) type).getLength();
+ if (len == VarCharType.MAX_LENGTH) {
+ return TypeDescription.createString();
Review comment:
For newer versions, orc can schema evolution. So `VARCHAR(2147483647)` is
supported.
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