Yulei-Yang opened a new pull request, #34975:
URL: https://github.com/apache/doris/pull/34975
## Proposed changes
<!--Describe your changes.-->
Steps to reproduce:
1. create a table test_table contains a timestamp type column which named
create_time, and insert some rows.
2. create a doris jdbc catalog pointer the above mysql server.
3. run doris sql: set enable_nereids_planner=false; select case when
create_time = '0000-00-00 00:00:00' then '' else create_time end from
jdbc.db.test_table;
then you will got be core error:
ERROR 1105 (HY000): RpcException, msg: org.apache.doris.rpc.RpcException:
io.grpc.StatusRuntimeException: UNAVAILABLE: Network closed for unknown reason
error in be.out
```sql
1# 0x00007F3A6DD33400 in /lib64/libc.so.6
2# gsignal in /lib64/libc.so.6
3# abort in /lib64/libc.so.6
4# __gnu_cxx::__verbose_terminate_handler() [clone .cold] at
../../../../libstdc++-v3/libsupc++/vterminate.cc:75
5# __cxxabiv1::__terminate(void (*)()) at
../../../../libstdc++-v3/libsupc++/eh_terminate.cc:48
6# 0x00005588299AADC1 in /data/d12/output/be/lib/doris_be
7# 0x00005588299AAF14 in /data/d12/output/be/lib/doris_be
8# 0x0000558824A99D2E in /data/d12/output/be/lib/doris_be
9# 0x0000558824A99E86 in /data/d12/output/be/lib/doris_be
10# doris::Status doris::vectorized::FunctionCase<false,
true>::execute_get_when_null<doris::vectorized::ColumnString>(std:
:shared_ptr<doris::vectorized::IDataType const> const&,
doris::vectorized::Block&, std::vector<unsigned long, std::allocato
r<unsigned long> > const&, unsigned long, unsigned long) [clone .isra.0] at
/data/d12/be/src/vec/functions/function_case.h:
354
11# doris::vectorized::FunctionCase<false,
true>::execute_impl(doris_udf::FunctionContext*, doris::vectorized::Block&, std:
:vector<unsigned long, std::allocator<unsigned long> > const&, unsigned
long, unsigned long) at /data/d12/be/src/vec/functi
ons/function_case.h:377
12#
doris::vectorized::PreparedFunctionImpl::execute_without_low_cardinality_columns(doris_udf::FunctionContext*,
doris::ve
ctorized::Block&, std::vector<unsigned long, std::allocator<unsigned long> >
const&, unsigned long, unsigned long, bool) at
/data/d12/be/src/vec/functions/function.cpp:244
13#
doris::vectorized::PreparedFunctionImpl::execute(doris_udf::FunctionContext*,
doris::vectorized::Block&, std::vector<un
signed long, std::allocator<unsigned long> > const&, unsigned long, unsigned
long, bool) at /data/d12/be/src/vec/functions/
function.cpp:267
14# doris::vectorized::VCaseExpr::execute(doris::vectorized::VExprContext*,
doris::vectorized::Block*, int*) at /data/d12/be/src/vec/exprs/vcase_expr.cpp:90
15#
doris::vectorized::VExprContext::get_output_block_after_execute_exprs(std::vector<doris::vectorized::VExprContext*,
std::allocator<doris::vectorized::VExprContext*> > const&,
doris::vectorized::Block const&, doris::Status&) at
/data/d12/be/src/vec/exprs/vexpr_context.cpp:148
16#
doris::vectorized::VMysqlResultWriter::append_block(doris::vectorized::Block&)
at /data/d12/be/src/vec/sink/vmysql_result_writer.cpp:459
17# doris::vectorized::VResultSink::send(doris::RuntimeState*,
doris::vectorized::Block*) at /data/d12/be/src/vec/sink/vresult_sink.cpp:96
```
while when using nereids planer,
fe throw analysis error: ERROR 1105 (HY000): errCode = 2, detailMessage =
Unexpected exception: Table name [jdbc2.db1.mc_work_contact_employee_1] is
invalid.
so make legacy planer act like nereids.
## Further comments
If this is a relatively large or complex change, kick off the discussion at
[d...@doris.apache.org](mailto:d...@doris.apache.org) by explaining why you
chose the solution you did and what alternatives you considered, etc...
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