ShreelekhyaG opened a new pull request #4215:
URL: https://github.com/apache/carbondata/pull/4215
### Why is this PR needed?
Insert after alter add column on partition table with complex column fails
with bufferUnderFlowException
List of columns order in `TableSchema `is different after alter add column.
Ex: If partition is of dimension type, when table is created the schema
columns order is as
dimension columns(partition column also) + complex column
After alter add, we are changing the order of columns in schema by moving
the partition column to last.
complex column + partition column
Due to this change in order, while `fillDimensionAndMeasureDetails`, the
indexing is wrong as it expects complex column to be last always which causes
bufferUnderFlowException while flattening complex row.
### What changes were proposed in this PR?
After alter add, removed changes to add partition column at last.
### Does this PR introduce any user interface change?
- No
### Is any new testcase added?
- Yes
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