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[CALCITE-2555] RexSimplify: >=(true, null) could be simplified to null - Calcite - [issue]
...@Test public void simplifyComparisonWithNull() {  checkSimplify2(ge(trueLiteral, falseLiteral), "true", "true");  checkSimplify2(ge(trueLiteral, nullBool), "null", "false");  ...
http://issues.apache.org/jira/browse/CALCITE-2555    Author: Vladimir Sitnikov , 2018-09-18, 15:23
[CALCITE-2504] Add randomized test for better code coverage of rex node create and simplification - Calcite - [issue]
http://issues.apache.org/jira/browse/CALCITE-2504    Author: Vladimir Sitnikov , 2018-09-18, 08:06
[expand - 1 more] - CALCITE-2458 Use of Kotlin for unit tests - Calcite - [mail # dev]
...Julian>I'd like to hear from Calcite contributors - would you be preparedJulian>to take the time to learn Kotlin?We do not force everybody to write tests in Kotlin.However, writing tes...
   Author: Vladimir Sitnikov , 2018-09-18, 07:42
[CALCITE-2506] RexSimplify: coalesce(unaryPlus(nullInt), unaryPlus(vInt())) results in AssertionError: result mismatch - Calcite - [issue]
...coalesce(unaryPlus(nullInt), unaryPlus(vInt())) results injava.lang.AssertionError: result mismatch: when applied to {?0.int0=-1}, COALESCE(+(null), +(?0.int0)) yielded -1, and +(null) yield...
http://issues.apache.org/jira/browse/CALCITE-2506    Author: Vladimir Sitnikov , 2018-09-17, 20:50
[CALCITE-2458] Evaluate use of Kotlin for unit tests - Calcite - [issue]
...It looks like Kotlin might simplify writing tests: 1) Calcite tests often create expressions (linq4j, rex, sql, etc), and the order of elements is "backwards".For instance, "x AND (y OR z)" ...
http://issues.apache.org/jira/browse/CALCITE-2458    Author: Vladimir Sitnikov , 2018-09-17, 18:50
[CALCITE-2558] Improve re-compilation times by skipping parser.java update on each build - Calcite - [issue]
...<groupId>org.apache.drill.tools</groupId><artifactId>drill-fmpp-maven-plugin</artifactId>has builtin verification if the generated files differ from the results of pr...
http://issues.apache.org/jira/browse/CALCITE-2558    Author: Vladimir Sitnikov , 2018-09-16, 18:36
[CALCITE-2563] Materialized view rewriting may swap columns in equivalent classes incorrectly - Calcite - [issue]
...https://github.com/apache/calcite/blob/323200507b72fec152e2f557b3f7f2209a042fe4/core/src/main/java/org/apache/calcite/rel/rules/AbstractMaterializedViewRule.java#L2542      Se...
http://issues.apache.org/jira/browse/CALCITE-2563    Author: Vladimir Sitnikov , 2018-09-16, 18:35
[CALCITE-2566] Certain rules might cause class initialization deadlock due to sub-class referenced in <clinit> - Calcite - [issue]
...List of impacted classes: AbstractMaterializedViewRule, ClassDeclarationFinder, FilterJoinRule, ProjectToWindowRule, ReduceExpressionsRule, SemiJoinRule, SqlDialect, SubQueryRemoveRuleThe pr...
http://issues.apache.org/jira/browse/CALCITE-2566    Author: Vladimir Sitnikov , 2018-09-16, 18:29
[CALCITE-2561] Suspicious code in org.apache.calcite.materialize.Lattice constructor - Calcite - [issue]
...https://github.com/apache/calcite/blob/d59b639d27da704f00eff616324a2c04aa06f84c/core/src/main/java/org/apache/calcite/materialize/Lattice.java#L111-L114The contents of nameList is updated, b...
http://issues.apache.org/jira/browse/CALCITE-2561    Author: Vladimir Sitnikov , 2018-09-16, 18:12
[CALCITE-2565] Suspicious code in org.apache.calcite.rex.RexBuilder#makeCastIntervalToExact - Calcite - [issue]
...    final int scale = 0;    BigDecimal divider = endUnit.multiplier.scaleByPowerOfTen(-scale);    RexNode value = multiplyDivide(decodeIntervalOrDecimal(exp),&n...
http://issues.apache.org/jira/browse/CALCITE-2565    Author: Vladimir Sitnikov , 2018-09-16, 18:09