wForget opened a new issue, #7661:
URL: https://github.com/apache/incubator-gluten/issues/7661
### Backend
VL (Velox)
### Bug description
Invalid regular expression, invalid escape sequence: \u
### Spark version
None
### Spark configurations
_No response_
### System information
_No response_
### Relevant logs
```bash
Exception: VeloxUserError
Error Source: USER
Error Code: INVALID_ARGUMENT
Reason: invalid regular expression:invalid escape sequence: \u
Retriable: False
Context: regexp_replace(n0_0,
[\ud800\udc00-\udbff\udfff\ud800-\udfff]:VARCHAR, :VARCHAR, 1:INTEGER)
Additional Context: Top-level Expression: switch(or(isnull(n0_0),
greaterthan(length(n0_0), 100:INTEGER)), :VARCHAR, regexp_replace(n0_0,
[\ud800\udc00-\udbff\udfff\ud800-\udfff]:VARCHAR, :VARCHAR, 1:INTEGER))
Function: checkForBadPattern
File:
/data/workspace/gluten-deploy-dist/ep/build-velox/build/velox_ep/velox/functions/sparksql/RegexFunctions.cpp
Line: 32
Stack trace:
# 0 _ZN8facebook5velox7process10StackTraceC1Ei
# 1
_ZN8facebook5velox14VeloxExceptionC1EPKcmS3_St17basic_string_viewIcSt11char_traitsIcEES7_S7_S7_bNS1_4TypeES7_
# 2
_ZN8facebook5velox6detail14veloxCheckFailINS0_14VeloxUserErrorERKSsEEvRKNS1_18VeloxCheckFailArgsET0_
# 3
_ZN8facebook5velox9functions8sparksql12_GLOBAL__N_121RegexpReplaceFunctionINS0_4exec10VectorExecEE14performReplaceERNS5_12StringWriterILb0EEERKNS0_10StringViewESD_SD_RKl
# 4
_ZN8facebook5velox9functions8sparksql12_GLOBAL__N_121RegexpReplaceFunctionINS0_4exec10VectorExecEE9callAsciiERNS5_12StringWriterILb0EEERKNS0_10StringViewESD_SD_RKl
# 5
_ZNK8facebook5velox4exec21SimpleFunctionAdapterINS0_4core9UDFHolderINS0_9functions8sparksql12_GLOBAL__N_121RegexpReplaceFunctionINS1_10VectorExecEEES9_NS0_7VarcharENS0_15ConstantCheckerIJSB_SB_SB_iEEEJSB_SB_SB_iEEEE5applyERKNS0_17SelectivityVectorERSt6vectorISt10shared_ptrINS0_10BaseVectorEESaISM_EERKSK_IKNS0_4TypeEERNS1_7EvalCtxERSM_
# 6
_ZN8facebook5velox4exec4Expr13applyFunctionERKNS0_17SelectivityVectorERNS1_7EvalCtxERSt10shared_ptrINS0_10BaseVectorEE
# 7
_ZN8facebook5velox4exec4Expr11evalAllImplERKNS0_17SelectivityVectorERNS1_7EvalCtxERSt10shared_ptrINS0_10BaseVectorEE
# 8
_ZN8facebook5velox4exec4Expr7evalAllERKNS0_17SelectivityVectorERNS1_7EvalCtxERSt10shared_ptrINS0_10BaseVectorEE
# 9
_ZN8facebook5velox4exec4Expr13evalWithNullsERKNS0_17SelectivityVectorERNS1_7EvalCtxERSt10shared_ptrINS0_10BaseVectorEE
# 10
_ZN8facebook5velox4exec4Expr13evalEncodingsERKNS0_17SelectivityVectorERNS1_7EvalCtxERSt10shared_ptrINS0_10BaseVectorEE
# 11
_ZN8facebook5velox4exec4Expr4evalERKNS0_17SelectivityVectorERNS1_7EvalCtxERSt10shared_ptrINS0_10BaseVectorEEPKNS1_7ExprSetE
# 12
_ZN8facebook5velox4exec10SwitchExpr15evalSpecialFormERKNS0_17SelectivityVectorERNS1_7EvalCtxERSt10shared_ptrINS0_10BaseVectorEE
# 13
_ZN8facebook5velox4exec4Expr24evalSpecialFormWithStatsERKNS0_17SelectivityVectorERNS1_7EvalCtxERSt10shared_ptrINS0_10BaseVectorEE
# 14
_ZN8facebook5velox4exec4Expr11evalAllImplERKNS0_17SelectivityVectorERNS1_7EvalCtxERSt10shared_ptrINS0_10BaseVectorEE
# 15
_ZN8facebook5velox4exec4Expr7evalAllERKNS0_17SelectivityVectorERNS1_7EvalCtxERSt10shared_ptrINS0_10BaseVectorEE
# 16
_ZN8facebook5velox4exec4Expr13evalWithNullsERKNS0_17SelectivityVectorERNS1_7EvalCtxERSt10shared_ptrINS0_10BaseVectorEE
# 17
_ZN8facebook5velox4exec4Expr12evalWithMemoERKNS0_17SelectivityVectorERNS1_7EvalCtxERSt10shared_ptrINS0_10BaseVectorEE
# 18
_ZN8facebook5velox4exec4Expr13evalEncodingsERKNS0_17SelectivityVectorERNS1_7EvalCtxERSt10shared_ptrINS0_10BaseVectorEE
# 19
_ZN8facebook5velox4exec4Expr4evalERKNS0_17SelectivityVectorERNS1_7EvalCtxERSt10shared_ptrINS0_10BaseVectorEEPKNS1_7ExprSetE
# 20
_ZN8facebook5velox4exec7ExprSet4evalEiibRKNS0_17SelectivityVectorERNS1_7EvalCtxERSt6vectorISt10shared_ptrINS0_10BaseVectorEESaISB_EE
# 21
_ZN8facebook5velox4exec13FilterProject7projectERKNS0_17SelectivityVectorERNS1_7EvalCtxE
# 22 _ZN8facebook5velox4exec13FilterProject9getOutputEv
# 23
_ZN8facebook5velox4exec6Driver11runInternalERSt10shared_ptrIS2_ERS3_INS1_13BlockingStateEERS3_INS0_9RowVectorEE
# 24
_ZN8facebook5velox4exec6Driver4nextERSt10shared_ptrINS1_13BlockingStateEE
# 25 _ZN8facebook5velox4exec4Task4nextEPN5folly10SemiFutureINS3_4UnitEEE
# 26 _ZN6gluten24WholeStageResultIterator4nextEv
# 27 Java_org_apache_gluten_vectorized_ColumnarBatchOutIterator_nativeHasNext
# 28 0x00007fe91a8a46c7
at
org.apache.gluten.vectorized.ColumnarBatchOutIterator.nativeHasNext(Native
Method)
at
org.apache.gluten.vectorized.ColumnarBatchOutIterator.hasNextInternal(ColumnarBatchOutIterator.java:61)
at
org.apache.gluten.vectorized.GeneralOutIterator.hasNext(GeneralOutIterator.java:37)
... 34 more
at
org.apache.gluten.vectorized.ColumnarBatchOutIterator.nativeHasNext(Native
Method)
at
org.apache.gluten.vectorized.ColumnarBatchOutIterator.hasNextInternal(ColumnarBatchOutIterator.java:61)
at
org.apache.gluten.vectorized.GeneralOutIterator.hasNext(GeneralOutIterator.java:37)
... 21 more
```
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