Haisheng,
Il Mar 12 Mag 2020, 16:38 Haisheng Yuan <hy...@apache.org> ha scritto: > Hi Enrico, > > Thanks for reporting issues so quick for calcite-1.23.0-rc0. Appreciate it. > Can you log JIRA for these issues? We will fix them. > Doing it non > Regarding with the first issue, I guess several factors are contributing > to the issue. > 1. Trait enforcement is enabled for EnumerableConvention by default in > 1.23.0, now it can generate mergejoins. We can disable it again if people > would like. > Is it possibile to disable it? I will check. Any suggestion is welcome > 2. RelBuilder hasn't been able to handle physical operator's trait well > yet, especially for Project. > > 3. Logical operator has been doing some work that it is not expected to > do, but physical operator should do. Here when creating LogicalProject, it > is trying to deduce its collation from input MergeJoin. Project is a > frequently created operator, but profiler shows that > RelTraitSet.replaceIfs() take 65% in the total runtime of > LogicalProject.create(). That is not only inappropriate operation, but also > time-wasting operation. > > 4. Transformation rules can match with physical operator. In this case, > JoinPushExpressionsRule matched with EnumerableMergeJoin, but the rule > can't deal with physical operator well, because the traits is not properly > handled. This not only happens on JoinPushExpressionsRule, if you tweak the > query, you might be able to see similar assertion error when applying rule > FilterIntoJoinRule. The problem has been there since their inception, but > it is just disclosed today by HerdDB, does that mean no one use Calcite's > default rule implementation to match trait aware physical operators, > intentionally? Can we safely stop matching physical operators in these > rules? (ProjectMerge can be an exception, some people use it on physical > operator for post processing). > Do you think that I can safely disable those rules? Enrico > Thanks, > Haisheng > > > On 2020/05/12 09:10:31, Enrico Olivelli <eolive...@gmail.com> wrote: > > Haisheng, > > I am sorry, I have a couple of problems with HerdDB. > > > > 1) JOIN order unsorted columns in presence of a WHERE over other columns > > This is my case: > > > > CREATE TABLE tblspace1.table1 (k1 string primary key,n1 int,s1 string) > > CREATE TABLE tblspace1.table3 (k1 string primary key,n3 int,s3 string) > > SELECT t1.k1 as first, t2.k1 as second > > FROM tblspace1.table1 t1 > > INNER JOIN tblspace1.table3 t2 ON t1.k1=t2.k1 > > WHERE t1.n1 + 1 = t2.n3 > > > > In this case for table1 and table3 no column is physically sorted (no > > column with a collation) > > > > I have this Planner error: > > java.lang.AssertionError: cannot merge join: left input is not sorted on > > left keys > > at > > > org.apache.calcite.rel.metadata.RelMdCollation.mergeJoin(RelMdCollation.java:457) > > at > > > org.apache.calcite.rel.metadata.RelMdCollation.collations(RelMdCollation.java:153) > > at GeneratedMetadataHandler_Collation.collations_$(Unknown Source) > > at GeneratedMetadataHandler_Collation.collations(Unknown Source) > > at > > > org.apache.calcite.rel.metadata.RelMetadataQuery.collations(RelMetadataQuery.java:539) > > at > > > org.apache.calcite.rel.metadata.RelMdCollation.project(RelMdCollation.java:273) > > at > > > org.apache.calcite.rel.logical.LogicalProject.lambda$create$0(LogicalProject.java:122) > > at org.apache.calcite.plan.RelTraitSet.replaceIfs(RelTraitSet.java:242) > > at > > > org.apache.calcite.rel.logical.LogicalProject.create(LogicalProject.java:121) > > at > > > org.apache.calcite.rel.logical.LogicalProject.create(LogicalProject.java:111) > > at > > > org.apache.calcite.rel.core.RelFactories$ProjectFactoryImpl.createProject(RelFactories.java:172) > > at org.apache.calcite.tools.RelBuilder.project_(RelBuilder.java:1464) > > at org.apache.calcite.tools.RelBuilder.project(RelBuilder.java:1258) > > at org.apache.calcite.tools.RelBuilder.project(RelBuilder.java:1230) > > at org.apache.calcite.tools.RelBuilder.project(RelBuilder.java:1219) > > at > > > org.apache.calcite.plan.RelOptUtil.pushDownJoinConditions(RelOptUtil.java:3620) > > at > > > org.apache.calcite.rel.rules.JoinPushExpressionsRule.onMatch(JoinPushExpressionsRule.java:59) > > at > > > org.apache.calcite.plan.volcano.VolcanoRuleCall.onMatch(VolcanoRuleCall.java:221) > > at > > > org.apache.calcite.plan.volcano.VolcanoPlanner.findBestExp(VolcanoPlanner.java:519) > > at herddb.sql.CalcitePlanner.runPlanner(CalcitePlanner.java:535) > > at herddb.sql.CalcitePlanner.translate(CalcitePlanner.java:292) > > > > *If I remove the "WHERE" clause then no error is reported.* > > we have many other test cases about JOINs and this one is the only one > > that fails > > > > This is the failing test case on HerdDB > > > https://github.com/diennea/herddb/blob/vote-calcite-123/herddb-core/src/test/java/herddb/core/SimpleJoinTest.java#L522 > > > > We are using the default set of rules Programs.ofRules(Programs.RULE_SET) > > > > I will try to create a reproducer in Calcite core test suite, in order to > > understand if it is a bug in HerdDB or in Calcite > > but I am reporting the problem as early as possible. > > We wanted to create a daily job that tests HerdDB against current Calcite > > master but unfortunately we still have not find the time to do it. > > > > 2) Changed the data type of sum(N) from BIGINT to INTEGER > > > > I also noted that sometimes the type of sum(N) where N is an INTEGER > column > > sometimes it is now reported by Calcite as INTEGER and sometimes as > > a BIGINT. In 1.22 every time is reported as BIGINT. > > So we have another test failing. > > > > SELECT sum(n1), count(*) as cc, k1 > > FROM tblspace1.tsql > > GROUP by k1 > > ORDER BY sum(n1) > > > > Here sum(n1) is reported now a INTEGER, previously it was a BIGINT. I > would > > prefer to see it as a BIGINT in order to prevent overflows > > > > Here are the plans: > > INFO: Query: SELECT sum(n1), count(*) as cc, k1 FROM tblspace1.tsql > GROUP > > by k1 ORDER BY sum(n1) -- Logical Plan > > LogicalSort(sort0=[$0], dir0=[ASC]): rowcount = 2.0, cumulative cost = > > {10.525000095367432 rows, 37.0 cpu, 0.0 io}, id = 1038 > > LogicalProject(EXPR$0=[$1], CC=[$2], K1=[$0]): rowcount = 2.0, > cumulative > > cost = {8.525000095367432 rows, 13.0 cpu, 0.0 io}, id = 1037 > > LogicalAggregate(group=[{0}], EXPR$0=[SUM($1)], CC=[COUNT()]): > rowcount > > = 2.0, cumulative cost = {6.525000095367432 rows, 7.0 cpu, 0.0 io}, id = > > 1035 > > LogicalProject(K1=[$0], n1=[$1]): rowcount = 2.0, cumulative cost = > > {4.0 rows, 7.0 cpu, 0.0 io}, id = 1034 > > LogicalTableScan(table=[[tblspace1, tsql]]): rowcount = 2.0, > > cumulative cost = {2.0 rows, 3.0 cpu, 0.0 io}, id = 1032 > > > > May 12, 2020 11:07:37 AM herddb.sql.CalcitePlanner runPlanner > > INFO: Query: SELECT sum(n1), count(*) as cc, k1 FROM tblspace1.tsql > GROUP > > by k1 ORDER BY sum(n1) -- Best Plan > > EnumerableSort(sort0=[$0], dir0=[ASC]): rowcount = 2.0, cumulative cost = > > {5.0 rows, 31.0 cpu, 0.0 io}, id = 1245 > > EnumerableProject(EXPR$0=[$1], CC=[1:BIGINT], K1=[$0]): rowcount = 2.0, > > cumulative cost = {3.0 rows, 7.0 cpu, 0.0 io}, id = 1244 > > EnumerableInterpreter: rowcount = 2.0, cumulative cost = {1.0 rows, > 1.0 > > cpu, 0.0 io}, id = 1243 > > BindableTableScan(table=[[tblspace1, tsql]], projects=[[0, 1]]): > > rowcount = 2.0, cumulative cost = {0.016 rows, 0.024 cpu, 0.0 io}, id = > 1055 > > > > > > Within the same test case with the same tables the result of this query > is > > not changed > > SELECT sum(n1) as ss, min(n1) as mi, max(n1) as ma FROM tblspace1.tsql > > INFO: Query: SELECT sum(n1) as ss, min(n1) as mi, max(n1) as ma FROM > > tblspace1.tsql -- Logical Plan > > LogicalAggregate(group=[{}], SS=[SUM($0)], MI=[MIN($0)], MA=[MAX($0)]): > > rowcount = 1.0, cumulative cost = {5.387500047683716 rows, 5.0 cpu, 0.0 > > io}, id = 1253 > > LogicalProject(n1=[$1]): rowcount = 2.0, cumulative cost = {4.0 rows, > 5.0 > > cpu, 0.0 io}, id = 1252 > > LogicalTableScan(table=[[tblspace1, tsql]]): rowcount = 2.0, > cumulative > > cost = {2.0 rows, 3.0 cpu, 0.0 io}, id = 1250 > > > > May 12, 2020 11:08:48 AM herddb.sql.CalcitePlanner runPlanner > > INFO: Query: SELECT sum(n1) as ss, min(n1) as mi, max(n1) as ma FROM > > tblspace1.tsql -- Best Plan > > EnumerableAggregate(group=[{}], SS=[SUM($0)], MI=[MIN($0)], > MA=[MAX($0)]): > > rowcount = 1.0, cumulative cost = {2.387500047683716 rows, 1.0 cpu, 0.0 > > io}, id = 1295 > > EnumerableInterpreter: rowcount = 2.0, cumulative cost = {1.0 rows, 1.0 > > cpu, 0.0 io}, id = 1294 > > BindableTableScan(table=[[tblspace1, tsql]], projects=[[1]]): > rowcount > > = 2.0, cumulative cost = {0.012 rows, 0.018000000000000002 cpu, 0.0 io}, > id > > = 1265 > > > > This is the test on HerdDB > > > https://github.com/diennea/herddb/blob/vote-calcite-123/herddb-core/src/test/java/herddb/sql/SimplerPlannerTest.java#L237 > > > > I hope that helps > > Enrico > > > > > > Il giorno mar 12 mag 2020 alle ore 07:59 Haisheng Yuan <hy...@apache.org > > > > ha scritto: > > > > > Hi all, > > > > > > I have created a build for Apache Calcite 1.23.0, release > > > candidate 0. > > > > > > Thanks to everyone who has contributed to this release. > > > > > > You can read the release notes here: > > > > > > > https://github.com/apache/calcite/blob/calcite-1.23.0-rc0/site/_docs/history.md > > > > > > The commit to be voted upon: > > > > > > > https://gitbox.apache.org/repos/asf?p=calcite.git;a=commit;h=edc37c0a21344a48b15877788e082c8acdc7b030 > > > > > > Its hash is edc37c0a21344a48b15877788e082c8acdc7b030 > > > > > > Tag: > > > https://github.com/apache/calcite/tree/calcite-1.23.0-rc0 > > > > > > The artifacts to be voted on are located here: > > > > https://dist.apache.org/repos/dist/dev/calcite/apache-calcite-1.23.0-rc0 > > > (revision 39385) > > > > > > The hashes of the artifacts are as follows: > > > > > > > 7482b0bb76e672a15bbe846f2dbdc125bd0f3d8a32abf0ea9159b5db0ab2a2d1182e19b408098ecd68d7cc9ff5d7812ea0b33e4aeac818d191b695d437fa1a94 > > > *apache-calcite-1.23.0-src.tar.gz > > > > > > A staged Maven repository is available for review at: > > > > > > > https://repository.apache.org/content/repositories/orgapachecalcite-1088/org/apache/calcite/ > > > > > > Release artifacts are signed with the following key: > > > https://people.apache.org/keys/committer/hyuan.asc > > > https://dist.apache.org/repos/dist/release/calcite/KEYS > > > > > > N.B. > > > To create the jars and test Apache Calcite: "./gradlew build". > > > > > > If you do not have a Java environment available, you can run the tests > > > using docker. To do so, install docker and docker-compose, then run > > > "docker-compose run test" from the root of the directory. > > > > > > Please vote on releasing this package as Apache Calcite 1.23.0. > > > > > > The vote is open for the next 72 hours and passes if a majority of at > > > least three +1 PMC votes are cast. > > > > > > [ ] +1 Release this package as Apache Calcite 1.23.0 > > > [ ] 0 I don't feel strongly about it, but I'm okay with the release > > > [ ] -1 Do not release this package because... > > > > > > > > > Here is my vote: > > > > > > +1 (binding) > > > > > > Thanks, > > > Haisheng Yuan > > > > > >
