Which Calcite version are you using?
On Mon, Aug 19, 2024 at 4:22 PM Eric Berryman <eric.berry...@gmail.com> wrote: > I’ve noticed if I remove the limit, the EnumerableUnion works fine. So it > seems the infinite cost is coming from the EnumerableLimit outside of the > union. I have an LDAPSortLimit which is pushed past the union, and an > EnumerableLimit > is left outside the union, as you can see in the gist. > > On Mon, Aug 19, 2024 at 11:10 Eric Berryman <eric.berry...@gmail.com> > wrote: > > > Is there anymore information that would be helpful for me to give to aide > > in troubleshooting this? > > > > Thank you! > > Eric > > > > On Thu, Aug 15, 2024 at 16:51 Eric Berryman <eric.berry...@gmail.com> > > wrote: > > > >> > >> I seem to be struggling with unions still. Here is a gist with the > output > >> and svg of the plan. > >> > >> https://gist.github.com/berryma4/c4870dd4e292e0509d1c85c308b52e67 > >> > >> I need a little help on direction of what the svg is telling me. I see > >> the cost is infinite, but I don’t see where I’m missing a rule. > >> > >> > >> Thank you for your help, > >> Eric > >> > >> > >> > >> On Mon, Jul 29, 2024 at 18:28 Eric Berryman <eric.berry...@gmail.com> > >> wrote: > >> > >>> That didn't paste well. Here is a gist: > >>> https://gist.github.com/berryma4/c6c09da050f273295edd23c045c63403 > >>> > >>> > >>> > >>> On Mon, Jul 29, 2024 at 4:58 PM Eric Berryman <eric.berry...@gmail.com > > > >>> wrote: > >>> > >>>> I’m back from a long holiday, and seem stuck still on this scenario. > >>>> The plan gets created without any issues, but I get this error while > >>>> executing queries with unions. > >>>> > >>>> Thank you again! > >>>> Eric > >>>> > >>>> Here is the plan dump and error after running > >>>> relRunner.prepareStatement. > >>>> > >>>> EnumerableProject(UserObject=[$0], id=[$3]): rowcount = 30.0, > >>>> cumulative cost = {146.0 rows, 1393.2 cpu, 0.0 io}, id = 213 > >>>> EnumerableLimit(fetch=[100]): rowcount = 30.0, cumulative cost = > {116.0 > >>>> rows, 1333.2 cpu, 0.0 io}, id = 212 EnumerableUnion(all=[true]): > rowcount = > >>>> 30.0, cumulative cost = {86.0 rows, 1303.2 cpu, 0.0 io}, id = 211 > >>>> EnumerableProject(UserObject=[$0], id=[$3]): rowcount = 15.0, > cumulative > >>>> cost = {28.0 rows, 636.6 cpu, 0.0 io}, id = 207 > LDAPToEnumerableConverter: > >>>> rowcount = 15.0, cumulative cost = {13.0 rows, 21.6 cpu, 0.0 io}, id > = 206 > >>>> LDAPFilter(condition=[=(UPPER($5), 'RUDD')]): rowcount = 15.0, > cumulative > >>>> cost = {11.5 rows, 20.1 cpu, 0.0 io}, id = 205 > >>>> LDAPTableScan(table=[[SCIMUserSchema, cap_internet_ddpmildap]]): > rowcount = > >>>> 100.0, cumulative cost = {10.0 rows, 10.100000000000001 cpu, 0.0 io}, > id = > >>>> 0 EnumerableProject(UserObject=[$0], id=[$3]): rowcount = 15.0, > cumulative > >>>> cost = {28.0 rows, 636.6 cpu, 0.0 io}, id = 210 > LDAPToEnumerableConverter: > >>>> rowcount = 15.0, cumulative cost = {13.0 rows, 21.6 cpu, 0.0 io}, id > = 209 > >>>> LDAPFilter(condition=[=(UPPER($5), 'RUDD')]): rowcount = 15.0, > cumulative > >>>> cost = {11.5 rows, 20.1 cpu, 0.0 io}, id = 208 > >>>> LDAPTableScan(table=[[SCIMUserSchema, prov_internet_ddpmildap]]): > rowcount > >>>> = 100.0, cumulative cost = {10.0 rows, 10.100000000000001 cpu, 0.0 > io}, id > >>>> = 2 > >>>> > >>>> java.lang.AssertionError: null at > >>>> > org.apache.calcite.adapter.enumerable.EnumerableLimit.<init>(EnumerableLimit.java:60) > >>>> at > >>>> > org.apache.calcite.adapter.enumerable.EnumerableLimit.copy(EnumerableLimit.java:84) > >>>> at > >>>> > org.apache.calcite.adapter.enumerable.EnumerableLimit.copy(EnumerableLimit.java:43) > >>>> at > >>>> > org.apache.calcite.sql2rel.RelFieldTrimmer.trimFields(RelFieldTrimmer.java:378) > >>>> at > >>>> > java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103) > >>>> at java.base/java.lang.reflect.Method.invoke(Method.java:580) at > >>>> org.apache.calcite.util.ReflectUtil$2.invoke(ReflectUtil.java:533) at > >>>> > org.apache.calcite.sql2rel.RelFieldTrimmer.dispatchTrimFields(RelFieldTrimmer.java:286) > >>>> at > >>>> > org.apache.calcite.sql2rel.RelFieldTrimmer.trimChild(RelFieldTrimmer.java:228) > >>>> at > >>>> > org.apache.calcite.sql2rel.RelFieldTrimmer.trimFields(RelFieldTrimmer.java:514) > >>>> at > >>>> > java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103) > >>>> at java.base/java.lang.reflect.Method.invoke(Method.java:580) at > >>>> org.apache.calcite.util.ReflectUtil$2.invoke(ReflectUtil.java:533) at > >>>> > org.apache.calcite.sql2rel.RelFieldTrimmer.dispatchTrimFields(RelFieldTrimmer.java:286) > >>>> at > >>>> > org.apache.calcite.sql2rel.RelFieldTrimmer.trim(RelFieldTrimmer.java:173) > >>>> at > >>>> > org.apache.calcite.sql2rel.SqlToRelConverter.trimUnusedFields(SqlToRelConverter.java:567) > >>>> at > org.apache.calcite.prepare.Prepare.trimUnusedFields(Prepare.java:386) at > >>>> > org.apache.calcite.prepare.CalcitePrepareImpl$CalcitePreparingStmt.prepare_(CalcitePrepareImpl.java:1061) > >>>> at > >>>> > org.apache.calcite.prepare.CalcitePrepareImpl$CalcitePreparingStmt.prepareRel(CalcitePrepareImpl.java:1026) > >>>> at > >>>> > org.apache.calcite.prepare.CalcitePrepareImpl.prepare2_(CalcitePrepareImpl.java:687) > >>>> at > >>>> > org.apache.calcite.prepare.CalcitePrepareImpl.prepare_(CalcitePrepareImpl.java:519) > >>>> at > >>>> > org.apache.calcite.prepare.CalcitePrepareImpl.prepareSql(CalcitePrepareImpl.java:487) > >>>> at > >>>> > org.apache.calcite.jdbc.CalciteConnectionImpl.parseQuery(CalciteConnectionImpl.java:237) > >>>> at > >>>> > org.apache.calcite.jdbc.CalciteConnectionImpl.prepareStatement_(CalciteConnectionImpl.java:217) > >>>> at > >>>> > org.apache.calcite.jdbc.CalciteConnectionImpl.lambda$unwrap$0(CalciteConnectionImpl.java:187) > >>>> > >>>> > >>>> On Fri, Jul 19, 2024 at 11:07 Ruben Q L <rube...@gmail.com> wrote: > >>>> > >>>>> Eric, if you want to use EnumerableUnion instead of implementing your > >>>>> own > >>>>> Union, then I think you'll need to implement the appropriate > Converter > >>>>> [1] > >>>>> to transform between conventions LDAP <=> ENUMERABLE > >>>>> > >>>>> Best, > >>>>> Ruben > >>>>> > >>>>> [1] > >>>>> > >>>>> > https://github.com/apache/calcite/blob/main/core/src/main/java/org/apache/calcite/rel/convert/Converter.java > >>>>> > >>>>> > >>>>> On Fri, Jul 19, 2024 at 3:56 PM Eric Berryman < > eric.berry...@gmail.com > >>>>> > > >>>>> wrote: > >>>>> > >>>>> > I implement an LDAPUnion and rule to convert from logicalunion, and > >>>>> of > >>>>> > course, the error goes away. But I didn’t implement the union > >>>>> correctly, so > >>>>> > nothing is returned in my query. Is there a way to have my > LDAPUnion > >>>>> > use EnumerableUnion, > >>>>> > or a way to not have LDAPUnion and take care of this with a rule? > >>>>> > > >>>>> > Thank you again! > >>>>> > Eric > >>>>> > > >>>>> > On Tue, Jul 16, 2024 at 14:24 Eric Berryman < > eric.berry...@gmail.com > >>>>> > > >>>>> > wrote: > >>>>> > > >>>>> > > Well, I was wrong. That didn’t solve my problem with : > >>>>> > > > >>>>> > > Missing conversion is LogicalUnion[convention: NONE -> LDAP] > >>>>> > > > >>>>> > > Do I have to implement my own union? Is there a way I could just > >>>>> use the > >>>>> > > EnumerableUnion? > >>>>> > > ie. NONE -> Enumerable and skip implementing one for my ldap > >>>>> datastore? > >>>>> > > > >>>>> > > Thank you! > >>>>> > > Eric > >>>>> > > > >>>>> > > On Tue, Jul 16, 2024 at 09:00 Eric Berryman < > >>>>> eric.berry...@gmail.com> > >>>>> > > wrote: > >>>>> > > > >>>>> > >> When I register my tablescan object, and add my rules, I also > >>>>> added a > >>>>> > >> removeRule for EnumerableRules.ENUMERABLE_MERGE_UNION_RULE, and > >>>>> now > >>>>> > >> everything works with an offset also. > >>>>> > >> > >>>>> > >> Although, I don’t know why this is. I noticed the > >>>>> EnumerableMergeUnion > >>>>> > >> object in the plan, and thought I would try to remove it, > because > >>>>> it was > >>>>> > >> different. > >>>>> > >> > >>>>> > >> Any explanation is appreciated, thank you!!! > >>>>> > >> Eric > >>>>> > >> > >>>>> > >> > >>>>> > >> On Mon, Jul 15, 2024 at 18:02 Eric Berryman < > >>>>> eric.berry...@gmail.com> > >>>>> > >> wrote: > >>>>> > >> > >>>>> > >>> Hello! > >>>>> > >>> > >>>>> > >>> I seem to have an issue with my new limit rule which pushes > down > >>>>> to the > >>>>> > >>> datastore. It works fine, unless I add an offset to the fetch. > >>>>> Where I > >>>>> > end > >>>>> > >>> up with the following error: > >>>>> > >>> There are not enough rules… Missing conversion is > >>>>> > >>> LogicalUnion[convention: NONE -> LDAP] > >>>>> > >>> > >>>>> > >>> Why would this only come up when an offset value is added? > >>>>> > >>> > >>>>> > >>> Thank you! > >>>>> > >>> Eric > >>>>> > >>> > >>>>> > >>> > >>>>> > >>> On Fri, Jun 21, 2024 at 09:25 Eric Berryman < > >>>>> eric.berry...@gmail.com> > >>>>> > >>> wrote: > >>>>> > >>> > >>>>> > >>>> That’s perfect > >>>>> > >>>> > >>>>> > >>>> > >>>>> > > >>>>> > https://github.com/apache/calcite/blob/main/cassandra/src/main/java/org/apache/calcite/adapter/cassandra/CassandraRules.java#L401 > >>>>> > >>>> > >>>>> > >>>> Thank you for such a quick response! > >>>>> > >>>> Eric > >>>>> > >>>> > >>>>> > >>>> > >>>>> > >>>> On Fri, Jun 21, 2024 at 09:14 Michael Mior <mm...@apache.org> > >>>>> wrote: > >>>>> > >>>> > >>>>> > >>>>> Eric, > >>>>> > >>>>> > >>>>> > >>>>> Could you give a more specific example of the failure > scenario > >>>>> you're > >>>>> > >>>>> experiencing? > >>>>> > >>>>> > >>>>> > >>>>> For a simple example of how limits can be pushed down, this > is > >>>>> done > >>>>> > in > >>>>> > >>>>> the > >>>>> > >>>>> Cassandra adapter with CassandraLimitRule. It matches an > >>>>> > >>>>> EnumerableLimit on > >>>>> > >>>>> top of a CassandraToEnumerableConverter and then converts > that > >>>>> limit > >>>>> > >>>>> to a > >>>>> > >>>>> CassandraLimit which passes along the limit and offset > >>>>> information to > >>>>> > >>>>> CassandraToEnumerableConverter for when the query is > executed. > >>>>> The > >>>>> > >>>>> EnumerableLimit is then replaced with a CassandraLimit > >>>>> effectively > >>>>> > as a > >>>>> > >>>>> placeholder to signal that the limit has been handled. > >>>>> > >>>>> > >>>>> > >>>>> -- > >>>>> > >>>>> Michael Mior > >>>>> > >>>>> mm...@apache.org > >>>>> > >>>>> > >>>>> > >>>>> > >>>>> > >>>>> On Fri, Jun 21, 2024 at 8:44 AM Eric Berryman < > >>>>> > eric.berry...@gmail.com > >>>>> > >>>>> > > >>>>> > >>>>> wrote: > >>>>> > >>>>> > >>>>> > >>>>> > Hello! > >>>>> > >>>>> > > >>>>> > >>>>> > When I add limit to my relbuilder object, the planner gives > >>>>> up. But > >>>>> > >>>>> works > >>>>> > >>>>> > fine without it. > >>>>> > >>>>> > > >>>>> > >>>>> > I wasn’t able to find any examples of using limit and > >>>>> pushing the > >>>>> > >>>>> limit > >>>>> > >>>>> > values down to a data source. > >>>>> > >>>>> > > >>>>> > >>>>> > Could someone help with some links on this subject? > >>>>> > >>>>> > > >>>>> > >>>>> > Thank you! > >>>>> > >>>>> > Eric > >>>>> > >>>>> > > >>>>> > >>>>> > >>>>> > >>>> > >>>>> > > >>>>> > >>>> >
