[
https://issues.apache.org/jira/browse/DRILL-4674?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15628550#comment-15628550
]
ASF GitHub Bot commented on DRILL-4674:
---------------------------------------
Github user arina-ielchiieva commented on a diff in the pull request:
https://github.com/apache/drill/pull/610#discussion_r86103902
--- Diff:
exec/java-exec/src/main/java/org/apache/drill/exec/expr/fn/impl/SimpleCastFunctions.java
---
@@ -48,14 +46,8 @@ public void setup() {
public void eval() {
byte[] buf = new byte[in.end - in.start];
in.buffer.getBytes(in.start, buf, 0, in.end - in.start);
- String input = new String(buf,
com.google.common.base.Charsets.UTF_8).toLowerCase();
- if ("true".equals(input)) {
- out.value = 1;
- } else if ("false".equals(input)) {
- out.value = 0;
- } else {
- throw new IllegalArgumentException("Invalid value for boolean: " +
input);
- }
+ String input = new String(buf,
com.google.common.base.Charsets.UTF_8);
+ out.value =
org.apache.drill.exec.expr.BooleanType.get(input).getNumericValue();
--- End diff --
@sudheeshkatkam
I can't make static `Map<String, Integer>`, since sometimes we need numeric
representation and sometimes bytes. But you are right iteration through the
list per each record is too expensive. So I have added static `Map<String,
BooleanType>`.
> Allow casting to boolean the same literals as in Postgre
> --------------------------------------------------------
>
> Key: DRILL-4674
> URL: https://issues.apache.org/jira/browse/DRILL-4674
> Project: Apache Drill
> Issue Type: Improvement
> Components: Execution - Data Types
> Affects Versions: 1.7.0
> Environment: 4 node cluster CentOS
> Reporter: Khurram Faraaz
> Assignee: Arina Ielchiieva
> Labels: doc-impacting
> Fix For: 1.9.0
>
>
> Drill does not return results when we try to cast 0 and 1 to boolean inside a
> value constructor.
> Drill version : 1.7.0-SNAPSHOT commit ID : 09b26277
> {noformat}
> 0: jdbc:drill:schema=dfs.tmp> values(cast(1 as boolean));
> Error: SYSTEM ERROR: IllegalArgumentException: Invalid value for boolean: 1
> Fragment 0:0
> [Error Id: 35dcc4bb-0c5d-466f-8fb5-cf7f0a892155 on centos-02.qa.lab:31010]
> (state=,code=0)
> 0: jdbc:drill:schema=dfs.tmp> values(cast(0 as boolean));
> Error: SYSTEM ERROR: IllegalArgumentException: Invalid value for boolean: 0
> Fragment 0:0
> [Error Id: 2dbcafe2-92c7-475e-a2aa-9745ef72c1cc on centos-02.qa.lab:31010]
> (state=,code=0)
> {noformat}
> Where as we get results on Postgres for same query.
> {noformat}
> postgres=# values(cast(1 as boolean));
> column1
> ---------
> t
> (1 row)
> postgres=# values(cast(0 as boolean));
> column1
> ---------
> f
> (1 row)
> {noformat}
> Stack trace from drillbit.log
> {noformat}
> 2016-05-13 07:16:16,578 [28ca80bf-0af9-bc05-258b-6b5744739ed8:frag:0:0] ERROR
> o.a.d.e.w.fragment.FragmentExecutor - SYSTEM ERROR: IllegalArgumentException:
> Invalid value for boolean: 0
> Fragment 0:0
> [Error Id: 2dbcafe2-92c7-475e-a2aa-9745ef72c1cc on centos-02.qa.lab:31010]
> org.apache.drill.common.exceptions.UserException: SYSTEM ERROR:
> IllegalArgumentException: Invalid value for boolean: 0
> Fragment 0:0
> [Error Id: 2dbcafe2-92c7-475e-a2aa-9745ef72c1cc on centos-02.qa.lab:31010]
> at
> org.apache.drill.common.exceptions.UserException$Builder.build(UserException.java:543)
> ~[drill-common-1.7.0-SNAPSHOT.jar:1.7.0-SNAPSHOT]
> at
> org.apache.drill.exec.work.fragment.FragmentExecutor.sendFinalState(FragmentExecutor.java:318)
> [drill-java-exec-1.7.0-SNAPSHOT.jar:1.7.0-SNAPSHOT]
> at
> org.apache.drill.exec.work.fragment.FragmentExecutor.cleanup(FragmentExecutor.java:185)
> [drill-java-exec-1.7.0-SNAPSHOT.jar:1.7.0-SNAPSHOT]
> at
> org.apache.drill.exec.work.fragment.FragmentExecutor.run(FragmentExecutor.java:287)
> [drill-java-exec-1.7.0-SNAPSHOT.jar:1.7.0-SNAPSHOT]
> at
> org.apache.drill.common.SelfCleaningRunnable.run(SelfCleaningRunnable.java:38)
> [drill-common-1.7.0-SNAPSHOT.jar:1.7.0-SNAPSHOT]
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> [na:1.7.0_45]
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> [na:1.7.0_45]
> at java.lang.Thread.run(Thread.java:744) [na:1.7.0_45]
> Caused by: java.lang.IllegalArgumentException: Invalid value for boolean: 0
> at
> org.apache.drill.exec.test.generated.ProjectorGen9.doSetup(ProjectorTemplate.java:95)
> ~[na:na]
> at
> org.apache.drill.exec.test.generated.ProjectorGen9.setup(ProjectorTemplate.java:93)
> ~[na:na]
> at
> org.apache.drill.exec.physical.impl.project.ProjectRecordBatch.setupNewSchema(ProjectRecordBatch.java:444)
> ~[drill-java-exec-1.7.0-SNAPSHOT.jar:1.7.0-SNAPSHOT]
> at
> org.apache.drill.exec.record.AbstractSingleRecordBatch.innerNext(AbstractSingleRecordBatch.java:78)
> ~[drill-java-exec-1.7.0-SNAPSHOT.jar:1.7.0-SNAPSHOT]
> at
> org.apache.drill.exec.physical.impl.project.ProjectRecordBatch.innerNext(ProjectRecordBatch.java:129)
> ~[drill-java-exec-1.7.0-SNAPSHOT.jar:1.7.0-SNAPSHOT]
> at
> org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:162)
> ~[drill-java-exec-1.7.0-SNAPSHOT.jar:1.7.0-SNAPSHOT]
> at
> org.apache.drill.exec.physical.impl.BaseRootExec.next(BaseRootExec.java:104)
> ~[drill-java-exec-1.7.0-SNAPSHOT.jar:1.7.0-SNAPSHOT]
> at
> org.apache.drill.exec.physical.impl.ScreenCreator$ScreenRoot.innerNext(ScreenCreator.java:81)
> ~[drill-java-exec-1.7.0-SNAPSHOT.jar:1.7.0-SNAPSHOT]
> at
> org.apache.drill.exec.physical.impl.BaseRootExec.next(BaseRootExec.java:94)
> ~[drill-java-exec-1.7.0-SNAPSHOT.jar:1.7.0-SNAPSHOT]
> at
> org.apache.drill.exec.work.fragment.FragmentExecutor$1.run(FragmentExecutor.java:257)
> ~[drill-java-exec-1.7.0-SNAPSHOT.jar:1.7.0-SNAPSHOT]
> at
> org.apache.drill.exec.work.fragment.FragmentExecutor$1.run(FragmentExecutor.java:251)
> ~[drill-java-exec-1.7.0-SNAPSHOT.jar:1.7.0-SNAPSHOT]
> at java.security.AccessController.doPrivileged(Native Method)
> ~[na:1.7.0_45]
> at javax.security.auth.Subject.doAs(Subject.java:415) ~[na:1.7.0_45]
> at
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1595)
> ~[hadoop-common-2.7.0-mapr-1602.jar:na]
> at
> org.apache.drill.exec.work.fragment.FragmentExecutor.run(FragmentExecutor.java:251)
> [drill-java-exec-1.7.0-SNAPSHOT.jar:1.7.0-SNAPSHOT]
> ... 4 common frames omitted
> {noformat}
> Implementation:
> Will be added support to allow casting the same list of strings as in
> Postgres [https://www.postgresql.org/docs/9.6/static/datatype-boolean.html]
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