zzcclp edited a comment on issue #3357: [CARBONDATA-3491] Return updated/deleted rows count when execute update/delete sql
URL:
https://github.com/apache/carbondata/pull/3357#issuecomment-520730493
I tried but it didn't work too. @kevinjmh
The explain result is:
```
== Parsed Logical Plan ==
UpdateTable 'UnresolvedRelation `test_return_row_count`, [b], select 'ddd' from test_return_row_count, test_return_row_count, where a = 'ccc'
== Analyzed Logical Plan ==
ProjectForUpdate 'UnresolvedRelation `test_return_row_count`, [b]
+- Project [a#11, b#12, c#13, tupleId#209, b-updatedColumn#210]
+- Filter (a#11 = ccc)
+- SubqueryAlias test_return_row_count
+- SubqueryAlias test_return_row_count
+- Project [a#11, b#12, c#13, tupleId#209, ddd AS b-updatedColumn#210]
+- SubqueryAlias test_return_row_count
+- Project [a#11, b#12, c#13, UDF:getTupleId() AS tupleId#209]
+- SubqueryAlias test_return_row_count
+- SubqueryAlias test_return_row_count
+- Relation[a#11,b#12,c#13] CarbonDatasourceHadoopRelation
== Optimized Logical Plan ==
CarbonProjectForUpdateCommand Project [a#11, c#13, UDF:getTupleId() AS tupleId#209, ddd AS b-updatedColumn#210], test_return_row_count, [b]
== Physical Plan ==
Execute CarbonProjectForUpdateCommand
+- CarbonProjectForUpdateCommand Project [a#11, c#13, UDF:getTupleId() AS tupleId#209, ddd AS b-updatedColumn#210], test_return_row_count, [b]
```
And the executedPlan schema is:
```
root
|-- Updated Row Count: long (nullable = false)
```
As shown above, it seems right, but it can't return right result.
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