repository stringclasses 156
values | issue title stringlengths 1 1.01k ⌀ | labels stringclasses 8
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prestodbpresto | feature request for memory connector | Enhancement | user have request that we provide a low latency cache to power dashboard and speed up etl with the follow feature cache to hold datum in memory for low latency access evenly skewed datum so that all worker have the same amount of memory lightweight low cpu compression for the cache datum differen... |
prestodbpresto | lambda can not be use inside unnest | Bug | presto select from unn transform sequence 1 5 x x x query 20180110 011726 00386 hgjdi fail com facebook presto sql tree arithmeticbinaryexpression can not be cast to java lang long java lang classcastexception com facebook presto sql tree arithmeticbinaryexpression can not be cast to j... |
prestodbpresto | show schemas table in memory connector recognize only default and information schema schema | Bug | memory connector can create schema but show schema and show table doesn t recognize it below be reproduce step presto create table memory test t1 c1 int create table presto show schemas in memory schema default informa... |
prestodbpresto | incorrect filter clause evaluation order | Bug | accord to the sql specification the filter clause for an aggregation query should be apply to the row in the group before the argument to the aggregation be evaluate currently expression in the aggregation argument be evaluate before the filter lead to query fail when they shouldn t for example ... |
prestodbpresto | enable dynamically register function | Enhancement | goal allow for coexistence of function and type with similar name but different semantic e g compatibility layer for other database like teradata oracle mysql vertica postgresql etc allow for tight control of what function be available in a give deployment make it possible to implement ... |
prestodbpresto | presto doesn t start on local machine with java 8 | Bug | when start new version of presto from master from intellij with java 8 the follow error happen 2017 12 20t15 55 59 785 0100 warn query management 0 com facebook presto memory remotenodememory memory info update request to have not return in 21 94 disconnect from the target vm address 127 0 0 1 6517... |
prestodbpresto | implement hmac function | Enhancement | they should be implement per suggest name hmac sha1 hmac md5 etc and should take a varbinary key and message |
prestodbpresto | allow timestamp truncation to a multiple of second minute | Enhancement | add an overload of date trunc in a form date trunc unit n timestamp e g date trunc second 5 some timestamp this would truncate timestamp to multiple of n unit the constraint would be that thehigherunit to unit n 0 so 7 minute would not be allow foll... |
prestodbpresto | selective aggregate filter apply too late | Bug | query with test as select from value 1 a good 2 b good x c bad as t v k name select map agg cast v as bigint low k filter where name good as col1 array agg cast v... |
prestodbpresto | allow modulus operation on timestamp and interval day to second type | Enhancement | give table with timestamp information one could want to aggregate this datum into 5 second bucket therefore I propose to allow operation between timestamp and interval day to second thus some timestamp interval 5 second would round down the timestamp value to a timestamp that be a... |
prestodbpresto | support extract millisecond from a timestamp | Enhancement | presto select extract second from timestamp 2017 10 24 23 00 23 206 col0 23 but presto select extract millisecond from timestamp 2017 10 24 23 00 23 206 query 20171208 215149 00048 uhmtc fail line 1 8 invalid extract field millisecond imo thi... |
prestodbpresto | cli should refuse to work with expire certificate in keystore path | Bug | when run product test we re use docker cluster jks file that contain an expired certificate cli should by default refuse to authenticate server when server use an expired certificate but it doesn t do that not only in test at least when keystore path be specify |
prestodbpresto | get try to free more revocable memory than be reserve randomly when use spill | Bug | presto version 0 188 here be stacktrace for the error java lang illegalargumentexception try to free more revocable memory than be reserve at com google common base precondition checkargument precondition java 122 at com facebook presto memory memorypool freerevocable memorypool ja... |
prestodbpresto | incorrect query result when join on time timestamp with time zone due to equality inference | Bug | even though in the follow query cast f a as varchar avc evaluate to true presto with f as select time 03 00 00 000 01 00 a g as select time 04 00 00 000 02 00 b 03 00 00 000 01 00 avc select cast f a as varchar cast f a as varchar avc ... |
prestodbpresto | it s not possible to query jdbc connector information schema column when there be a table with all unsupported data type column | Bug | step to reproduce 1 create table m m interval in postgre 1 use postgresql connector select from postgresql information schema column query 20171129 143915 00004 exah8 fail table have no support column type public m com facebook presto spi prestoexception table have no supp... |
prestodbpresto | setsessiontask do not validate that value decode | Bug | we allow set an invalid session property cause the cli or other client to get stick with the invalid value which can t be change because future query be reject presto set session iterative optimizer timeout xxx set session presto select 123 query 20171129 055858 00027 aw... |
prestodbpresto | timestamp with time zone and time with time zone equality doesn t conform to standard | Bug | sql 2003 say time contain the s hour minute and second timestamp contain the s year month day hour minute and second this listing wasn t suppose to cover timezone hour timezone minute field present in the with time zone datum type item of type datetime be comparab... |
prestodbpresto | add proper support for time with time zone and timestamp with time zone to jdbc driver | Bug | currently presto jdbc driver incorrectly map time w tz and timestamp w tz column to jdbc type time w tz be map to java sql type time and should be map to java sql type time with timezone timestamp w tz be map to java sql type timestamp and should be map to java sql type timestamp with... |
prestodbpresto | number decimal literal with digit on only one side of the dot should be reject | Bug | as per martint s comment discussion r151808814 123 I don t think this be a valid literal in sql and that it s a bug for presto to accept they |
prestodbpresto | integer overflow possible when multiply interval year to month and integer | Bug | currently we detect integer overflow when multiply integer value presto select 256 256 256 256 query 20171114 154126 00068 9ghqy fail integer multiplication overflow 16777216 256 however when multiply interval year to month and integer value overflow be silently ignor... |
prestodbpresto | interval type not support in cast | Bug | cast null as interval year to month cast null as interval day to second cast null as interval hour to second etc fail with a parse error com facebook presto sql parser parsingexception line 1 30 mismatch input day expect array at com facebook presto sql parser sq... |
prestodbpresto | highly selective limit query don t complete as soon as require datum be output | Bug | a query like the follow one on a large table 19 8b row 347 gb where only one row match the where clause keep run after that row be return to the client sql select 1 from t where x limit 1 it affect 0 188 not sure about early version |
prestodbpresto | validate dictionary ids in orc reader | Bug | we should make sure the id be in range before create the block so that we can throw a proper orccorruptionexception java lang arrayindexoutofboundsexception 61023 at com facebook presto spi block dictionaryblock calculatecompactsize dictionaryblock java 210 at com facebook presto spi block diction... |
prestodbpresto | wrong error message for union type mismatch | Bug | this should be column 1 not 0 presto select 123 foo union all select bar 999 query 20171027 202828 44812 fkpyx fail line 1 19 column 0 in union query have incompatible type integer varchar 3 |
prestodbpresto | decimal cast error be not handle correctly | Bug | these should throw invalid cast argument with a useful error message presto select cast foo as decimal query 20171026 175718 55655 ivxzb fail null java lang numberformatexception at java math bigdecimal bigdecimal java 596 at java math bigdecimal bigdecimal java 383 at java ma... |
prestodbpresto | array intersect can fail on null | Bug | the code incorrectly call type compareto without first check block isnull |
prestodbpresto | column can not be resolve for view | Bug | step to reproduce create table memory default t s varchar create view memory default v as select s from memory default t select memory default t s from memory default t work select memory default v s from memory default v fail with column memory default v s can not be resolve ... |
prestodbpresto | concurrentmodificationexception in bridginghivemetastore | Bug | try to drop a column from a hive table with presto 0 186 throw a concurrentmodificationexception java util concurrentmodificationexception at java util arraylist itr checkforcomodification arraylist java 901 at java util arraylist itr next arraylist java 851 at com facebook pre... |
prestodbpresto | row to row cast doesn t work with json type | Bug | sql select cast row json 1 as row field bigint exception detail query 20171006 040158 53624 d7r6y fail java lang verifyerror inconsistent stackmap frame at branch target 102 exception detail location com facebook presto gen rowcast 13f6822651da095c094fe44a06ba8013 259687... |
prestodbpresto | implement area under roc curve function | Enhancement | give a vector of outcomes true false and score double compute the area under the roc curve see for an explanation this be commonly refer to as auc or aurocc but I don t think that s a good name for the function something more explicit like area under roc curve or roc curve area be probably... |
prestodbpresto | support array construction with more than 254 element | Enhancement | presto select array x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x ... |
prestodbpresto | json parse succeed for invalid input | Bug | json parse do not fail on invalid input like x 1 presto select json parse x 1 col0 x 1 row |
prestodbpresto | run query counter leak query | Bug | query that fail before they get to run cause the running query counter to increment but never decrement this be cause by 516801ab482c9189344304b97ff4e4429488dfc7 which call querystarte but not querystoppe |
prestodbpresto | wrong query result when lambda scope shadows column name | Bug | it s not possible to use dereference expression in lambda context 9023 except when dereference lambda argument s field however even in the support case result be different when lambda arguement shadow a column reference select transform array cast row 10 as row x integer r r x f... |
prestodbpresto | query completion event doesn t capture final stat | Bug | we ve notice case where the stat record in the query completion event don t reflect the final state of the query for instance it contain information about split in flight |
prestodbpresto | implicit coercion for row type not handle correctly | Bug | select row a row aa fail with query 20170920 184840 03951 gui64 fail line 1 17 can not be apply to row field0 varchar 1 row field0 varchar 2 com facebook presto sql analyzer semanticexception line 1 17 can not be apply to row field0 varchar 1 row field0 varch... |
prestodbpresto | topnrownumber optimizer doesn t work with double constant in inequality | Enhancement | the follow optimize correctly with t as select x row number over order by x rn from select x from t where rn 10 but this do not note double constant in conditional with t as select x row number over order by x rn from select x from t where rn 1... |
prestodbpresto | fully document window specification syntax | Enhancement | for example frame be only briefly mention in the current doc |
prestodbpresto | validate function with invalid argument type | Bug | this function pass validation but should fail since the java type be wrong java scalarfunction sqltype standardtype varchar public static slice test sqltype standardtype array slice input we should add more test for these type of error to testscalarvalidation |
prestodbpresto | fix incorrect column name in querycompletedevent | Bug | the name be be derive from the tostring representation of column which cause they to be incorrectly format as column xyz varchar |
prestodbpresto | add submittedquerie counter to sqlquerymanager | Enhancement | there s a counter for start and complete query but we re miss one that track the number of query submit to presto |
prestodbpresto | sqlquerymanager queuedquerie counter leak | Bug | over time the counter increase and doesn t go back to the initial value also it doesn t reflect the number of currently queue query report by the ui look at the code the counter be incremente when a query be queue and decremente when it start run if the query fail or get cancel before it get a chance to ... |
prestodbpresto | jsonextract do not handle invalid unicode | Bug | java lang runtimeexception java io charconversionexception invalid utf 32 character 0x7b227222 above 10ffff at char 8 byte 35 at com google common base throwable propagate throwable java 240 at com facebook presto operator scalar jsonextract extract jsonextract java 143 at com facebook... |
prestodbpresto | set cache control properly on static resource | Enhancement | set cache control could speed up the loading of large file like browser min js and therefore make the web ui a lot snappy |
prestodbpresto | presto verifier 0 183 do not work | Bug | unknown column session property json in field list it seem that document have not update |
prestodbpresto | raptor add constant backoff to databaseshardmanger addcolumn | Enhancement | the method raptormetadata addcolumn l443 insert row into the column table in raptor metadata and then alter the table x shard table i d this sequence be not transactional when the alter fail the new column be add to the raptor table but the entry be x shard table i d be miss the pr... |
prestodbpresto | all usage of trimspacesandtruncatetolength be likely wrong | Bug | for char value we must do trim truncate val x instead truncate trim val x the latter can produce value with trail space which be not valid in memory representation for char value in presto we should have a function truncatetolengthandtrimspace instead and move likely all curr... |
prestodbpresto | incorrect result for array min max of double contain nan | Bug | array min array 1 2 nan 1 array min array nan 1 2 nan this probably occur because the array min function interpret false when compare with nan incorrectly the function should return nan if any of the element be nan similar to how null be treat |
prestodbpresto | select histogram t cause json exception in presto client | Bug | to reproduce presto location select histogram array 1 query be go server restart stacktrace with debug java lang runtimeexception error fetch next at return an invalid response jsonresponse statuscode 200 statusmessage ok header content type application json dat... |
prestodbpresto | group i d doesn t work with expression include aggregation function | Bug | the follow query fail sql select grouping orderpriority clerk as group i d sum totalprice count from order group by group set orderpriority clerk clerk stacktrace query 20170822 040005 00007 zcmwy fail invalid node expression dependency groupid ... |
prestodbpresto | max run time be enforce use query create time instead of start execution time | Bug | I think we should enforce query max run time use its start execution time instead of create time the query could be stick in the queue for a while and it would count that time towards the time before kill l552 |
prestodbpresto | add local round robin exchange before an otherwise source distribute partial aggregation | Enhancement | in case of source distribution driver be create per split every time the driver be close a partial aggregation buffer must be flush this decrease the partial aggregation efficiency |
prestodbpresto | wrong result when filter on partition char x or long decimal column | Bug | the follow example be base on testhiveintegrationsmoketest createpartitionedtable create table test partition table string varchar varchar varchar 65535 char char 10 bigint bigint integer intege... |
prestodbpresto | plan failure with grouping and expression that require implicit coercion | Bug | sql select group k sum v 1 0 from value 1 1 as t k v group by k fail with com facebook presto sql analyzer semanticexception column k can not be resolve at com facebook presto sql analyzer semanticexceptions missingattributeexception semanticexception java... |
prestodbpresto | regular expression failure for certain string | Bug | presto select regexp extract baby k by a z b a z query 20170809 223707 70717 ucc54 fail 6 java lang arrayindexoutofboundsexception 6 at io airlift jcoding multibyteencode safelengthforuptofour multibyteencode java 64 at io airlift jcoding specific nonstrictutf8... |
prestodbpresto | plan failure for non equi leave join | Bug | sql select 1 from order a left join lineitem b on a comment b comment where b comment be not null fail with java lang illegalargumentexception invalid node predicate dependency comment 1 comment not in source plan output comment 1 at com google common base precondi... |
prestodbpresto | space in field name break create table as | Bug | create table as raise an illegal argument exception when space be present in field name create table sql create table if not exist scratch foo as select cat as field with space 2017 08 03 10 14 47 65536 query fail 20170803 141431 21545 jrg8x field end by expec... |
prestodbpresto | unclear error message when select from table with empty schema | Bug | I m use the mongodb connector to read datum from mongodb in the beginning presto infer an empty schema because my table didn t have any datum in it at that time however even after add datum simple query would continue to fail with a rather strange and uninformative error message presto stuff selec... |
prestodbpresto | insert datum into real column in postgresql table via presto result in wrong datum in table | Bug | to reproduce configure presto to connect psql instance on psql psql create table ftestpg a real d double precision on presto presto insert into ftestpg value real 1 0 1 0 presto select from ftestpg a d 1 06535322... |
prestodbpresto | allow empty password in presto jdbc | Bug | jdbc password should be allow to be empty l108 but this code wrongly force password presence check l135 background presto jdbc before 0 180 have ignore jdbc password property so we be use username property for authentication e g by embed some api key so we have be use presto jdbc with ssl ... |
prestodbpresto | approx percentile with percentage array fail when use as window function | Bug | presto select approx percentile 42 array 0 5 over query 20170720 165839 00007 qt844 fail com facebook presto spi function windowindex getobject ii lcom facebook presto spi block block java lang nosuchmethoderror com facebook presto spi function windowindex getobject ii lcom facebook presto s... |
prestodbpresto | symbolsextractor doesn t correctly extract all symbol from joinnode | Enhancement | check diff f35aac8ae02c212c0868dc5ccb916327r213 to see how symbol dependency from join node should be extract symbolsextractor need to correctly extract all symbol from join node probably there be mode nodes e g with assignment where not all symbol be extract in fact symbolsextractor sho... |
prestodbpresto | preserve symbol require by join during partial aggregation pushdown | Bug | partial aggregation need to produce symbol requrie by join equi condition and filter expression fix |
prestodbpresto | partialaggregationpushdown do not preserve symbol require by join filter and equi condition | Bug | select order custkey as custkey order orderstatus as orderstatus from order join lineitem on lineitem orderkey order orderkey and lineitem orderkey order orderkey group by order custkey order orderstatus output cause by java lang illegalargumentexception invalid node expression... |
prestodbpresto | temporary table leave after insert into mysql table fail | Bug | hi I find a bug to implement jdbc insert into it be like this when the mysql character set be latin1 cp1252 west european I execute the insert statement insert into test1 value cast ver 1 3 as varchar 100 I get the follow error query 20170718 012821 00019 yucvr fai... |
prestodbpresto | more convenient matching for identity projection | Enhancement | currently use planmatchpattern on projectnode that have identity projection one write match strictproject immutablemap of b expression b strictproject ... |
prestodbpresto | analysis error in query involve group and implicit coercion | Bug | sql select 1 0 count group x from value 1 t x group by group set x fail with com facebook presto sql analyzer semanticexception column x can not be resolve at com facebook presto sql analyzer semanticexceptions missingattributeexception semantic... |
prestodbpresto | explain for join fail on hive when partition by contain ts column | Bug | step to reproduce 1 create a table with timestamp column which be partition key create table ts table a bigint ts timestamp with partition by array ts 2 insert any datum into such table do not reproduce when table be empty insert into ts table value 1 cast current time as t... |
prestodbpresto | jsonmappingexception no serializer find for class java util concurrent timeoutexception | Bug | rest v1 node endpoint return internal server error due to jakson serialization problem curl I localhost 8080 v1 node http 1 1 500 internal server error date sun 09 jul 2017 21 20 14 gmt content type text plain content length 6714 com fasterxml jackson databind jsonmappingexception ... |
prestodbpresto | unable to use correlate symbol in have clause | Bug | select select avg totalprice from order group by custkey orderdate have avg totalprice a from value 900 t a query 20170708 154529 00025 r9p5s fail line 1 95 avg totalprice a must be an aggregate expression or appear in group by clause |
prestodbpresto | major performance regression in partitionedoutputoperator between 0 173 and 0 174 | Bug | our benchmarking show a regression in performance between 0 173 and 0 174 and after much analysis the regression seem to be solely in the partitionedoutputoperator for example in tpch q5 we see stage 6 we see addinputwall increase from 1 17 second to 1 21 minute |
prestodbpresto | add support for left right inner lateral join | Enhancement | it should be possible to write query like sql select from t leave join lateral u on sql select from t leave join unnest t a u on |
prestodbpresto | fix statement resource handling of zero size page | Bug | if page getsizeinbyte be zero the page may not be return to the client the only know case when this happen be if the page contain only slicearrayblock and all value be null |
prestodbpresto | operator be not work correctly in presto for decimal value | Bug | I connect hive with presto and query a table contain decimal value in case of operator it s show I all the row of the table below be the create table and load query for hive create table decimaloperatorcheck name string id decimal 10 2 row format delimit field terminate by load data ... |
prestodbpresto | query fail with newmemoryreservation be negative | Bug | java lang illegalargumentexception newmemoryreservation be negative at com google common base precondition checkargument precondition java 122 at com facebook presto operator operatorcontext setmemoryreservation operatorcontext java 306 at com facebook presto operator aggregation... |
prestodbpresto | fix error handling of rle filter and projection | Bug | when an error occur in the filter or project expression we would throw a verifyexception instead of the actual exception |
prestodbpresto | fix error handling of rle block projection and filter | Bug | com google common base verifyexception com google common base verify verify verify java 99 com facebook presto operator project dictionaryawarepageprojection project dictionaryawarepageprojection java 79 |
prestodbpresto | explain plan print fail for a hive table partition by timestmp or date | Bug | explain give error for a table partitone by timestamp create external table test table account i d bigint account type string account number bigint partition by business eff dt timestamp store as orc location s3 fimt fpphistory dev content table datum temp load test... |
prestodbpresto | try map array null array x fail | Bug | the query below fail select try map array null array x from value 1 2 t x with error stack trace java lang illegalstateexception expect current entry to be close but be open at com facebook presto spi block mapblockbuilder beginblockentry mapblockbu... |
prestodbpresto | add lzop support to the new parquet reader | Enhancement | see issue 8290 5107 be the pr that I add the lzo support to parquet since aircompressor already handle lzop it shouldn t be that difficult to add it in a similar way |
prestodbpresto | number of split for intermediate stage in cli show incorrect value | Bug | there two related problem 1 the number of run intermediate split go up and down throughout the execution of the query this cause the progress bar to move forward and backward since the chevron section of the bar depend on how many split be run at a give point in time 2 in case where most leaf split be do ... |
prestodbpresto | column name resolution issue | Bug | I ve find follow issue regard column name resolution when switch from version 0 158 to 0 178 use version 0 158 this query select catalog schema table column from catalog schema table group by column order by catalog schema table column asc work fine use v 0 178 I ve get query 20170613 ... |
prestodbpresto | plan failure when use grouping and legacy order by true | Bug | presto set session legacy order by true set session presto select group a from value 1 as t a group by a query 20170607 011620 02738 84kx5 fail groupingoperation should have be re write to a functioncall before execution java lang illegalstateexception groupingoperation should ... |
prestodbpresto | plan failure for order by limit with similar expression | Bug | sql with t as select 1 x 1 y select x y from t order by x y limit 1 query 20170606 002050 01487 rgj4j fail multiple entry with same key expr asc null last and expr asc null last java lang illegalargumentexception multiple entry with same key expr asc null last and expr a... |
prestodbpresto | test failure due to correlated subquery in in predicate | Bug | testredisdistributedhash testcorrelatedinpredicatesubquerie fail with the follow error java lang assertionerror execution of actual query fail select orderkey clerk in select clerk from order s where s custkey o custkey and s orderkey o orderkey from order o at org testng assert fail ... |
prestodbpresto | unn of collection of row type should produce multiple column | Bug | accord to the spec if the type of the element of the collection pass to unnest be a row type the output of unnest should flatten the field in each row m ii otherwise case 1 if any et j 1 one j ncv be a row type then a for each et j that ... |
prestodbpresto | wait with lookupsourcefactory destruction until all user finish | Bug | hashbuilderoperator allocate and account memory for lookupsource it wait until partitionedlookupsourcefactory be destroy and then remove the memory from the book this should not happen until memory be actually no long use reference in case of outer join in build side full outer or right outer ... |
prestodbpresto | memory not account for during right outer join | Bug | step to reproduce 1 in cli execute select from value 1 t a right outer join tpch sf1 order on t a orderkey 2 wait until initial result be already visible but query be still run observe query be still run of course server jvm have increase memory usage by ... |
prestodbpresto | cli doesn t abort query on the server when partial result already show in pager | Bug | step to reproduce 1 in cli execute select from tpch sf1 order 2 wait until initial result be already visible but query be still run 3 press q to quit pager now cli print query abort by user query 20170529 130533 00023 9v5js run 1 node split 20 total 0... |
prestodbpresto | do not recurse plan tree when check correlation shallowly | Bug | do not recurse plan tree when check correlation shallowly |
prestodbpresto | remove recursive computeifabsent method call | Bug | recursive computeifabsent that modify the same collection may corrupt hashmap see also see discussion r117630317 |
prestodbpresto | do not support non deterministic sortexpression | Bug | for the follow query select count from customer c1 join customer c2 on c1 nationkey c2 nationkey where c1 custkey random c1 custkey c2 custkey presto return 16000 row instead of 69000 when use sortexpression sortedpositionlink assume that once a filter function ... |
prestodbpresto | fix null handling in sortedpositionlink | Bug | fix for |
prestodbpresto | invalid result when fast inequality join true and table contain null value | Bug | presto default create table t3 a bigint b bigint create table presto default insert into t3 value 0 0 0 1 0 null 0 1 insert 4 row presto default set session fast inequality join true set session presto default select from nation n t3 where n regionkey ... |
prestodbpresto | print position link sort expression in explain | Enhancement | for query presto tiny explain select o orderkey o orderdate l shipdate from order o join lineitem l on l orderkey o orderkey and l shipdate o orderdate interval 10 day explain before output orderkey orderdate shipdate orderkey bigint orderdate date shipdate da... |
prestodbpresto | improve query parameter handle | Enhancement | currently query parameter be handle in various place across the planner the process be as follow 1 when query be first send to backend it be parse and the parse tree ast be be it then cache for further use 2 ast be reanalyze with parameter index expression binding 3 query plan... |
prestodbpresto | fix create empty table in presto memory | Bug | previously follow scenario would fail create table memory default test a bigint insert into memory default test select nationkey from tpch tiny nation with an error message that table test be not find on a worker it be fix by allow to initialize table on write not as it be before... |
prestodbpresto | prefer undistributed plan for topn and move some rule to iterative optimizer | Enhancement | prefer undistributed plan for topn and to avoid unnecessary additional exchange add new pushtopnthroughunion optimizer this be a follow up worker of previous change with distribute union explain select from select regionkey from nation union all select nationkey from nation t a order by ... |
prestodbpresto | cli should bail out as soon as query fail | Enhancement | I ve observe a case where the web ui indicate the query have fail and the cli mark a stage as fail x but keep print progress and query stat for a while this presumably happen because the coordinator continue to return next link in the response and the cli blindly follow they there be two possible sol... |
prestodbpresto | decrease hash partition count on verifier when re run control | Enhancement | when we have a result mismatch we re run the control query to attempt to see if it s deterministic query be often deterministic base on the number of hash partition so multiple control run produce the same answer but the test run fail since the test cluster often have a small number of machine when re r... |
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