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Hive QA commented on HIVE-22893: -------------------------------- Here are the results of testing the latest attachment: https://issues.apache.org/jira/secure/attachment/12993704/HIVE-22893.04.patch {color:green}SUCCESS:{color} +1 due to 2 test(s) being added or modified. {color:red}ERROR:{color} -1 due to 73 failed/errored test(s), 18013 tests executed *Failed tests:* {noformat} org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[cbo_rp_gby2_map_multi_distinct] (batchId=95) org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[cbo_rp_groupby3_noskew_multi_distinct] (batchId=45) org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[column_pruner_multiple_children] (batchId=25) org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[count_dist_rewrite] (batchId=82) org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[create_genericudaf] (batchId=94) org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[groupby11] (batchId=83) org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[groupby1] (batchId=21) org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[groupby1_limit] (batchId=24) org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[groupby1_map] (batchId=81) org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[groupby1_map_nomap] (batchId=89) org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[groupby1_map_skew] (batchId=72) org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[groupby1_noskew] (batchId=38) org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[groupby2_limit] (batchId=10) org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[groupby2_map] (batchId=32) org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[groupby2_map_multi_distinct] (batchId=43) org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[groupby2_map_skew] (batchId=98) org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[groupby2_noskew] (batchId=2) org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[groupby2_noskew_multi_distinct] (batchId=96) org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[groupby3_map] (batchId=77) org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[groupby3_map_multi_distinct] (batchId=36) org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[groupby3_map_skew] (batchId=67) org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[groupby3_noskew] (batchId=92) org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[groupby3_noskew_multi_distinct] (batchId=71) org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[groupby5] (batchId=46) org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[groupby5_noskew] (batchId=99) org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[groupby7_map] (batchId=5) org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[groupby7_map_multi_single_reducer] (batchId=6) org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[groupby7_map_skew] (batchId=50) org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[groupby7_noskew] (batchId=98) org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[groupby7_noskew_multi_single_reducer] (batchId=68) org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[groupby8_map_skew] (batchId=57) org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[groupby9] (batchId=7) org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[groupby_map_ppr] (batchId=9) org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[groupby_map_ppr_multi_distinct] (batchId=58) org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[groupby_nocolumnalign] (batchId=63) org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[groupby_position] (batchId=45) org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[groupby_ppr] (batchId=34) org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[groupby_ppr_multi_distinct] (batchId=66) org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[nullgroup4_multi_distinct] (batchId=12) org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[offset_limit_global_optimizer] (batchId=22) org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[union17] (batchId=82) org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[unionall_unbalancedppd] (batchId=3) org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[vectorized_string_funcs] (batchId=66) org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[w1] (batchId=21) org.apache.hadoop.hive.cli.TestContribCliDriver.testCliDriver[udaf_example_avg] (batchId=299) org.apache.hadoop.hive.cli.TestContribCliDriver.testCliDriver[udaf_example_max] (batchId=299) org.apache.hadoop.hive.cli.TestContribCliDriver.testCliDriver[udaf_example_max_n] (batchId=299) org.apache.hadoop.hive.cli.TestContribCliDriver.testCliDriver[udaf_example_min] (batchId=299) org.apache.hadoop.hive.cli.TestContribCliDriver.testCliDriver[udaf_example_min_n] (batchId=299) org.apache.hadoop.hive.cli.TestMiniLlapCliDriver.testCliDriver[explainuser_2] (batchId=163) org.apache.hadoop.hive.cli.TestMiniLlapCliDriver.testCliDriver[unionDistinct_1] (batchId=161) org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[cbo_rp_windowing_2] (batchId=172) org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[count_dist_rewrite] (batchId=186) org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[explainanalyze_2] (batchId=185) org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[groupby1] (batchId=169) org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[groupby2] (batchId=179) org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[lineage2] (batchId=181) org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[offset_limit] (batchId=176) org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[tez_union_multiinsert] (batchId=175) org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[vector_windowing] (batchId=192) org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[vectorized_string_funcs] (batchId=182) org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[windowing] (batchId=181) org.apache.hadoop.hive.cli.TestMiniSparkOnYarnCliDriver.testCliDriver[dynamic_rdd_cache] (batchId=199) org.apache.hadoop.hive.cli.TestSparkCliDriver.testCliDriver[groupby3_map_skew] (batchId=144) org.apache.hadoop.hive.cli.TestSparkCliDriver.testCliDriver[groupby7_map] (batchId=119) org.apache.hadoop.hive.cli.TestSparkCliDriver.testCliDriver[groupby7_map_skew] (batchId=137) org.apache.hadoop.hive.cli.TestSparkCliDriver.testCliDriver[groupby8_map_skew] (batchId=140) org.apache.hadoop.hive.cli.TestSparkCliDriver.testCliDriver[groupby9] (batchId=120) org.apache.hadoop.hive.cli.TestSparkCliDriver.testCliDriver[groupby_position] (batchId=135) org.apache.hadoop.hive.cli.TestSparkCliDriver.testCliDriver[union17] (batchId=150) org.apache.hadoop.hive.cli.TestTezPerfConstraintsCliDriver.testCliDriver[cbo_query23] (batchId=304) org.apache.hadoop.hive.cli.TestTezPerfConstraintsCliDriver.testCliDriver[query23] (batchId=304) org.apache.hadoop.hive.ql.TestMTQueries.testMTQueries1 (batchId=280) {noformat} Test results: https://builds.apache.org/job/PreCommit-HIVE-Build/20711/testReport Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/20711/console Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-20711/ Messages: {noformat} Executing org.apache.hive.ptest.execution.TestCheckPhase Executing org.apache.hive.ptest.execution.PrepPhase Executing org.apache.hive.ptest.execution.YetusPhase Executing org.apache.hive.ptest.execution.ExecutionPhase Executing org.apache.hive.ptest.execution.ReportingPhase Tests exited with: TestsFailedException: 73 tests failed {noformat} This message is automatically generated. ATTACHMENT ID: 12993704 - PreCommit-HIVE-Build > Enhance data size estimation for fields computed by UDFs > -------------------------------------------------------- > > Key: HIVE-22893 > URL: https://issues.apache.org/jira/browse/HIVE-22893 > Project: Hive > Issue Type: Improvement > Components: Statistics > Reporter: Zoltan Haindrich > Assignee: Zoltan Haindrich > Priority: Major > Labels: pull-request-available > Attachments: HIVE-22893.01.patch, HIVE-22893.02.patch, > HIVE-22893.03.patch, HIVE-22893.04.patch > > Time Spent: 10m > Remaining Estimate: 0h > > Right now if we have columnstat on a column ; we use that to estimate things > about the column; - however if an UDF is executed on a column ; the resulting > column is treated as unknown thing and defaults are assumed. > An improvement could be to give wide estimation(s) in case of frequently used > udf. > For example; consider {{substr(c,1,1)}} ; no matter what the input; the > output is at most a 1 long string -- This message was sent by Atlassian Jira (v8.3.4#803005)