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Posted to issues@spark.apache.org by "jingxiong zhong (Jira)" <ji...@apache.org> on 2022/10/26 15:35:00 UTC
[jira] [Resolved] (SPARK-40916) udf could not filter null value cause npe
[ https://issues.apache.org/jira/browse/SPARK-40916?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
jingxiong zhong resolved SPARK-40916.
-------------------------------------
Resolution: Fixed
add --conf spark.sql.subexpressionElimination.enabled=false
> udf could not filter null value cause npe
> -----------------------------------------
>
> Key: SPARK-40916
> URL: https://issues.apache.org/jira/browse/SPARK-40916
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 3.2.0
> Environment: spark3.2.0
> hadoop2.7.3
> hive2.3.9
> Reporter: jingxiong zhong
> Priority: Critical
>
> ```
> select
> t22.uid,
> from
> (
> SELECT
> code,
> count(distinct uid) cnt
> FROM
> (
> SELECT
> uid,
> code,
> lng,
> lat
> FROM
> (
> select
> riskmanage_dw.GEOHASH_ENCODE(manhattan_dw.aes_decode(lng),manhattan_dw.aes_decode(lat),8) as code,
> uid,
> lng,
> lat,
> dt as event_time
> from
> (
> select
> param['timestamp'] as dt,
> get_json_object(get_json_object(param['input'],'$.baseInfo'),'$.uid') uid,
> get_json_object(get_json_object(param['input'],'$.envInfo'),'$.lng') lng,
> get_json_object(get_json_object(param['input'],'$.envInfo'),'$.lat') lat
> from manhattan_ods.ods_log_manhattan_fbi_workflow_result_log
> and get_json_object(get_json_object(param['input'],'$.bizExtents'),'$.productId')='2001'
> )a
> and lng is not null
> and lat is not null
> ) t2
> group by uid,code,lng,lat
> ) t1
> GROUP BY code having count(DISTINCT uid)>=10
> )t11
> join
> (
> SELECT
> uid,
> code,
> lng,
> lat
> FROM
> (
> select
> riskmanage_dw.GEOHASH_ENCODE(manhattan_dw.aes_decode(lng),manhattan_dw.aes_decode(lat),8) as code,
> uid,
> lng,
> lat,
> dt as event_time
> from
> (
> select
> param['timestamp'] as dt,
> get_json_object(get_json_object(param['input'],'$.baseInfo'),'$.uid') uid,
> get_json_object(get_json_object(param['input'],'$.envInfo'),'$.lng') lng,
> get_json_object(get_json_object(param['input'],'$.envInfo'),'$.lat') lat
> from manhattan_ods.ods_log_manhattan_fbi_workflow_result_log
> and get_json_object(get_json_object(param['input'],'$.bizExtents'),'$.productId')='2001'
> )a
> and lng is not null
> and lat is not null
> ) t2
> where substr(code,0,6)<>'wx4ey3'
> group by uid,code,lng,lat
> ) t22 on t11.code=t22.code
> group by t22.uid
> ```
> this sql can't run because `riskmanage_dw.GEOHASH_ENCODE(manhattan_dw.aes_decode(lng),manhattan_dw.aes_decode(lat),8)` will throw npe(`Caused by: org.apache.hadoop.hive.ql.metadata.HiveException: Unable to execute method public java.lang.String com.xiaoju.automarket.GeohashEncode.evaluate(java.lang.Double,java.lang.Double,java.lang.Integer) with arguments {null,null,8}:null`), but I have filter null in my condition, the udf of manhattan_dw.aes_decode will return null if lng or lat is null, *but after I remove `where substr(code,0,6)<>'wx4ey3' `this condition, it can run normally.*
> complete :
> Caused by: org.apache.hadoop.hive.ql.metadata.HiveException: Unable to execute method public java.lang.String com.xiaoju.automarket.GeohashEncode.evaluate(java.lang.Double,java.lang.Double,java.lang.Integer) with arguments {null,null,8}:null
> at org.apache.hadoop.hive.ql.exec.FunctionRegistry.invoke(FunctionRegistry.java:1049)
> at org.apache.spark.sql.hive.HiveSimpleUDF.eval(hiveUDFs.scala:102)
> at org.apache.spark.sql.catalyst.expressions.GeneratedClass$SpecificPredicate.subExpr_3$(Unknown Source)
> at org.apache.spark.sql.catalyst.expressions.GeneratedClass$SpecificPredicate.eval(Unknown Source)
> at org.apache.spark.sql.execution.FilterExec.$anonfun$doExecute$3(basicPhysicalOperators.scala:275)
> at org.apache.spark.sql.execution.FilterExec.$anonfun$doExecute$3$adapted(basicPhysicalOperators.scala:274)
> at scala.collection.Iterator$$anon$12.hasNext(Iterator.scala:515)
> at scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)
> at org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIteratorForCodegenStage1.agg_doAggregateWithKeys_0$(Unknown Source)
> at org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIteratorForCodegenStage1.processNext(Unknown Source)
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