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Posted to dev@hive.apache.org by "Rajesh Balamohan (Jira)" <ji...@apache.org> on 2023/03/20 23:05:00 UTC

[jira] [Created] (HIVE-27159) Filters are not pushed down for decimal format in Parquet

Rajesh Balamohan created HIVE-27159:
---------------------------------------

             Summary: Filters are not pushed down for decimal format in Parquet
                 Key: HIVE-27159
                 URL: https://issues.apache.org/jira/browse/HIVE-27159
             Project: Hive
          Issue Type: Improvement
            Reporter: Rajesh Balamohan


Decimal filters are not created and pushed down in parquet readers. This causes latency delays and unwanted row processing in query execution. 

It throws exception in runtime and processes more rows. 

E.g Q13.

{noformat}

Parquet: (Map 1)

INFO  : Task Execution Summary
INFO  : ----------------------------------------------------------------------------------------------
INFO  :   VERTICES      DURATION(ms)   CPU_TIME(ms)    GC_TIME(ms)   INPUT_RECORDS   OUTPUT_RECORDS
INFO  : ----------------------------------------------------------------------------------------------
INFO  :      Map 1          31254.00              0              0     549,181,950              133
INFO  :      Map 3              0.00              0              0          73,049              365
INFO  :      Map 4           2027.00              0              0       6,000,000        1,689,919
INFO  :      Map 5              0.00              0              0           7,200            1,440
INFO  :      Map 6            517.00              0              0       1,920,800          493,920
INFO  :      Map 7              0.00              0              0           1,002            1,002
INFO  :  Reducer 2          18716.00              0              0             133                0
INFO  : ----------------------------------------------------------------------------------------------

ORC:


INFO  : Task Execution Summary
INFO  : ----------------------------------------------------------------------------------------------
INFO  :   VERTICES      DURATION(ms)   CPU_TIME(ms)    GC_TIME(ms)   INPUT_RECORDS   OUTPUT_RECORDS
INFO  : ----------------------------------------------------------------------------------------------
INFO  :      Map 1           6556.00              0              0     267,146,063              152
INFO  :      Map 3              0.00              0              0          10,000              365
INFO  :      Map 4           2014.00              0              0       6,000,000        1,689,919
INFO  :      Map 5              0.00              0              0           7,200            1,440
INFO  :      Map 6            504.00              0              0       1,920,800          493,920
INFO  :  Reducer 2           3159.00              0              0             152                0
INFO  : ----------------------------------------------------------------------------------------------

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{noformat}
 Map 1
            Map Operator Tree:
                TableScan
                  alias: store_sales
                  filterExpr: (ss_hdemo_sk is not null and ss_addr_sk is not null and ss_cdemo_sk is not null and ss_store_sk is not null and ((ss_sales_price >= 100) or (ss_sales_price <= 150) or (ss_sales_price >= 50) or (ss_sales_price <= 100) or (ss_sales_price >= 150) or (ss_sales_price <= 200)) and ((ss_net_profit >= 100) or (ss_net_profit <= 200) or (ss_net_profit >= 150) or (ss_net_profit <= 300) or (ss_net_profit >= 50) or (ss_net_profit <= 250))) (type: boolean)
                  probeDecodeDetails: cacheKey:HASH_MAP_MAPJOIN_112_container, bigKeyColName:ss_hdemo_sk, smallTablePos:1, keyRatio:5.042575832290721E-6
                  Statistics: Num rows: 2750380056 Data size: 1321831086472 Basic stats: COMPLETE Column stats: COMPLETE
                  Filter Operator
                    predicate: (ss_hdemo_sk is not null and ss_addr_sk is not null and ss_cdemo_sk is not null and ss_store_sk is not null and ((ss_sales_price >= 100) or (ss_sales_price <= 150) or (ss_sales_price >= 50) or (ss_sales_price <= 100) or (ss_sales_price >= 150) or (ss_sales_price <= 200)) and ((ss_net_profit >= 100) or (ss_net_profit <= 200) or (ss_net_profit >= 150) or (ss_net_profit <= 300) or (ss_net_profit >= 50) or (ss_net_profit <= 250))) (type: boolean)
                    Statistics: Num rows: 2500252205 Data size: 1201619783884 Basic stats: COMPLETE Column stats: COMPLETE
                    Select Operator
                      expressions: ss_cdemo_sk (type: bigint), ss_hdemo_sk (type: bigint), ss_addr_sk (type: bigint), ss_store_sk (type: bigint), ss_quantity (type: int), ss_ext_sales_price (type: decimal(7,2)), ss_ext_wholesale_cost (type: decimal(7,2)), ss_sold_date_sk (type: bigint), ss_net_profit BETWEEN 100 AND 200 (type: boolean), ss_net_profit BETWEEN 150 AND 300 (type: boolean), ss_net_profit BETWEEN 50 AND 250 (type: boolean), ss_sales_price BETWEEN 100 AND 150 (type: boolean), ss_sales_price BETWEEN 50 AND 100 (type: boolean), ss_sales_price BETWEEN 150 AND 200 (type: boolean)
                      outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5, _col6, _col7, _col8, _col9, _col10, _col11, _col12, _col13
                      Statistics: Num rows: 2500252205 Data size: 714761816164 Basic stats: COMPLETE Column stats: COMPLETE
                      Map Join Operator
                        condition map:
                             Inner Join 0 to 1
                        keys:
                          0 _col7 (type: bigint)
                          1 _col0 (type: bigint)
                        outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5, _col6, _col8, _col9, _col10, _col11, _col12, _col13
                        input vertices:
                          1 Map 3
                        Statistics: Num rows: 502508168 Data size: 127400492016 Basic stats: COMPLETE Column stats: COMPLETE
                        Map Join Operator
                          condition map:
                               Inner Join 0 to 1
                          keys:
                            0 _col2 (type: bigint)
                            1 _col0 (type: bigint)
                          outputColumnNames: _col0, _col1, _col3, _col4, _col5, _col6, _col8, _col9, _col10, _col11, _col12, _col13, _col16, _col17, _col18
                          input vertices:
                            1 Map 4
                          Statistics: Num rows: 86972608 Data size: 10207471112 Basic stats: COMPLETE Column stats: COMPLETE
                          Filter Operator
                            predicate: ((_col16 and _col8) or (_col17 and _col9) or (_col18 and _col10)) (type: boolean)
                            Statistics: Num rows: 65229456 Data size: 7655603392 Basic stats: COMPLETE Column stats: COMPLETE
                            Map Join Operator
                              condition map:
                                   Inner Join 0 to 1
                              keys:
                                0 _col1 (type: bigint)
                                1 _col0 (type: bigint)
                              outputColumnNames: _col0, _col3, _col4, _col5, _col6, _col11, _col12, _col13, _col20, _col21
                              input vertices:
                                1 Map 5
                              Statistics: Num rows: 13045892 Data size: 260918084 Basic stats: COMPLETE Column stats: COMPLETE
                              Map Join Operator
                                condition map:
                                     Inner Join 0 to 1
                                keys:
                                  0 _col0 (type: bigint)
                                  1 _col0 (type: bigint)
                                outputColumnNames: _col3, _col4, _col5, _col6, _col11, _col12, _col13, _col20, _col21, _col23, _col24, _col25, _col26, _col27, _col28
                                input vertices:
                                  1 Map 6
                                Statistics: Num rows: 3354659 Data size: 147605232 Basic stats: COMPLETE Column stats: COMPLETE
                                Filter Operator
                                  predicate: ((_col23 and _col24 and _col11 and _col20) or (_col25 and _col26 and _col12 and _col21) or (_col27 and _col28 and _col13 and _col21)) (type: boolean)
                                  Statistics: Num rows: 628998 Data size: 27676148 Basic stats: COMPLETE Column stats: COMPLETE
                                  Map Join Operator
                                    condition map:
                                         Inner Join 0 to 1
                                    keys:
                                      0 _col3 (type: bigint)
                                      1 _col0 (type: bigint)
                                    outputColumnNames: _col4, _col5, _col6
                                    input vertices:
                                      1 Map 7
                                    Statistics: Num rows: 628998 Data size: 228 Basic stats: COMPLETE Column stats: COMPLETE
                                    Group By Operator
                                      aggregations: sum(_col4), count(_col4), sum(_col5), count(_col5), sum(_col6), count(_col6)
                                      minReductionHashAggr: 0.99
                                      mode: hash
                                      outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5
                                      Statistics: Num rows: 1 Data size: 256 Basic stats: COMPLETE Column stats: COMPLETE
                                      Reduce Output Operator
                                        null sort order:
                                        sort order:
                                        Statistics: Num rows: 1 Data size: 256 Basic stats: COMPLETE Column stats: COMPLETE
                                        value expressions: _col0 (type: bigint), _col1 (type: bigint), _col2 (type: decimal(17,2)), _col3 (type: bigint), _col4 (type: decimal(17,2)), _col5 (type: bigint)
{noformat}


Stack:
{noformat}
fail to build predicate filter leaf with errorsorg.apache.hadoop.hive.ql.metadata.HiveException: Conversion to Parquet FilterPredicate not supported for DECIMAL
org.apache.hadoop.hive.ql.metadata.HiveException: Conversion to Parquet FilterPredicate not supported for DECIMAL
	at org.apache.hadoop.hive.ql.io.parquet.LeafFilterFactory.getLeafFilterBuilderByType(LeafFilterFactory.java:210)
	at org.apache.hadoop.hive.ql.io.parquet.read.ParquetFilterPredicateConverter.buildFilterPredicateFromPredicateLeaf(ParquetFilterPredicateConverter.java:130)
	at org.apache.hadoop.hive.ql.io.parquet.read.ParquetFilterPredicateConverter.translate(ParquetFilterPredicateConverter.java:111)
	at org.apache.hadoop.hive.ql.io.parquet.read.ParquetFilterPredicateConverter.translate(ParquetFilterPredicateConverter.java:97)
	at org.apache.hadoop.hive.ql.io.parquet.read.ParquetFilterPredicateConverter.translate(ParquetFilterPredicateConverter.java:71)
	at org.apache.hadoop.hive.ql.io.parquet.read.ParquetFilterPredicateConverter.translate(ParquetFilterPredicateConverter.java:88)
	at org.apache.hadoop.hive.ql.io.parquet.read.ParquetFilterPredicateConverter.toFilterPredicate(ParquetFilterPredicateConverter.java:57)
	at org.apache.hadoop.hive.ql.io.parquet.ParquetRecordReaderBase.setFilter(ParquetRecordReaderBase.java:202)
	at org.apache.hadoop.hive.ql.io.parquet.ParquetRecordReaderBase.getSplit(ParquetRecordReaderBase.java:139)
	at org.apache.hadoop.hive.ql.io.parquet.ParquetRecordReaderBase.setupMetadataAndParquetSplit(ParquetRecordReaderBase.java:88)
	at org.apache.hadoop.hive.ql.io.parquet.vector.VectorizedParquetRecordReader.<init>(VectorizedParquetRecordReader.java:178)
	at org.apache.hadoop.hive.ql.io.parquet.VectorizedParquetInputFormat.getRecordReader(VectorizedParquetInputFormat.java:52)
	at org.apache.hadoop.hive.ql.io.parquet.MapredParquetInputFormat.getRecordReader(MapredParquetInputFormat.java:87)
	at org.apache.hadoop.hive.ql.io.RecordReaderWrapper.create(RecordReaderWrapper.java:72)
	at org.apache.hadoop.hive.ql.io.HiveInputFormat.getRecordReader(HiveInputFormat.java:460)
	at org.apache.hadoop.mapred.split.TezGroupedSplitsInputFormat$TezGroupedSplitsRecordReader.initNextRecordReader(TezGroupedSplitsInputFormat.java:203)
	at org.apache.hadoop.mapred.split.TezGroupedSplitsInputFormat$TezGroupedSplitsRecordReader.next(TezGroupedSplitsInputFormat.java:152)
	at org.apache.tez.mapreduce.lib.MRReaderMapred.next(MRReaderMapred.java:116)
	at org.apache.hadoop.hive.ql.exec.tez.MapRecordSource.pushRecord(MapRecordSource.java:68)
	at org.apache.hadoop.hive.ql.exec.tez.MapRecordProcessor.run(MapRecordProcessor.java:437)
	at org.apache.hadoop.hive.ql.exec.tez.TezProcessor.initializeAndRunProcessor(TezProcessor.java:297)
	at org.apache.hadoop.hive.ql.exec.tez.TezProcessor.run(TezProcessor.java:280)
	at org.apache.tez.runtime.LogicalIOProcessorRuntimeTask.run(LogicalIOProcessorRuntimeTask.java:374)
	at org.apache.tez.runtime.task.TaskRunner2Callable$1.run(TaskRunner2Callable.java:84)
	at org.apache.tez.runtime.task.TaskRunner2Callable$1.run(TaskRunner2Callable.java:70)
	at java.base/java.security.AccessController.doPrivileged(Native Method)
	at java.base/javax.security.auth.Subject.doAs(Subject.java:423)
	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1899)
	at org.apache.tez.runtime.task.TaskRunner2Callable.callInternal(TaskRunner2Callable.java:70)
	at org.apache.tez.runtime.task.TaskRunner2Callable.callInternal(TaskRunner2Callable.java:40)
	at org.apache.tez.common.CallableWithNdc.call(CallableWithNdc.java:36)
	at org.apache.hadoop.hive.llap.daemon.impl.StatsRecordingThreadPool$WrappedCallable.call(StatsRecordingThreadPool.java:118)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
	at java.base/java.lang.Thread.run(Thread.java:829)

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