wuchong commented on a change in pull request #10096: [FLINK-14623][table-api]
Add computed column information into TableSc…
URL: https://github.com/apache/flink/pull/10096#discussion_r343125694
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File path:
flink-table/flink-table-common/src/main/java/org/apache/flink/table/api/TableSchema.java
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@@ -170,10 +133,9 @@ public TableSchema copy() {
* e.g. "field1.innerField2"
*/
public Optional<DataType> getFieldDataType(String fieldName) {
- if (fieldNameToType.containsKey(fieldName)) {
- return Optional.of(fieldNameToType.get(fieldName));
- }
- return Optional.empty();
+ return this.columns.stream()
+ .filter(column -> column.getName().equals(fieldName))
+ .findFirst().map(TableColumn::getType);
Review comment:
This breaks the previous behavior, the fieldName might be a nested field.
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