trushev opened a new pull request, #7895:
URL: https://github.com/apache/hudi/pull/7895
### Change Logs
1. Added column drop check into HoodieTable validation
2. Improved exception message of validation failure
### Impact
Fixed issue:
```sql
-- Step 1.
create table tbl(
`uuid` bigint,
`name` string,
`age` int null, -- column to be dropped
`part` int
) partitioned by (`part`) with (
'connector'='hudi',
'path'='/tmp/tbl',
'hoodie.avro.schema.validate'='false',
'hoodie.datasource.write.schema.allow.auto.evolution.column.drop'='false'
);
insert into tbl values (1, 'Danny', 23, 10);
drop table tbl;
-- Step 2.
create table tbl(
`uuid` bigint,
`name` string,
`part` int
) partitioned by (`part`) with (
'connector'='hudi',
'path'='/tmp/tbl',
'hoodie.avro.schema.validate'='false',
'hoodie.datasource.write.schema.allow.auto.evolution.column.drop'='false'
);
insert into tbl values (2, 'Stephen', 10); -- failure expected
select * from tbl;
```
Expected behavior:
```
Exception -- column dropping is not allowed
```
Actual behavior:
```
+----+-------+----------+-------+
| op | uuid | name | part |
+----+-------+----------+-------+
| +I | 1 | Danny | 10 |
| +I | 2 | Stephen | 10 |
+----+-------+----------+-------+
```
### Risk level (write none, low medium or high below)
Low
### Documentation Update
_Describe any necessary documentation update if there is any new feature,
config, or user-facing change_
- _The config description must be updated if new configs are added or the
default value of the configs are changed_
- _Any new feature or user-facing change requires updating the Hudi website.
Please create a Jira ticket, attach the
ticket number here and follow the
[instruction](https://hudi.apache.org/contribute/developer-setup#website) to
make
changes to the website._
### Contributor's checklist
- [ ] Read through [contributor's
guide](https://hudi.apache.org/contribute/how-to-contribute)
- [ ] Change Logs and Impact were stated clearly
- [ ] Adequate tests were added if applicable
- [ ] CI passed
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