[GitHub] [calcite] chunweilei commented on a change in pull request #1611: [CALCITE-3355] Deduce whether CASE and COALESCE may produce NULL values

2019-12-03 Thread GitBox
chunweilei commented on a change in pull request #1611: [CALCITE-3355] Deduce whether CASE and COALESCE may produce NULL values URL: https://github.com/apache/calcite/pull/1611#discussion_r353046030 ## File path: core/src/test/java/org/apache/calcite/test/SqlValidatorTest.java

[GitHub] [calcite] chunweilei commented on a change in pull request #1611: [CALCITE-3355] Deduce whether CASE and COALESCE may produce NULL values

2019-12-03 Thread GitBox
chunweilei commented on a change in pull request #1611: [CALCITE-3355] Deduce whether CASE and COALESCE may produce NULL values URL: https://github.com/apache/calcite/pull/1611#discussion_r353046030 ## File path: core/src/test/java/org/apache/calcite/test/SqlValidatorTest.java

[GitHub] [calcite] chunweilei commented on a change in pull request #1611: [CALCITE-3355] Deduce whether CASE and COALESCE may produce NULL values

2019-12-01 Thread GitBox
chunweilei commented on a change in pull request #1611: [CALCITE-3355] Deduce whether CASE and COALESCE may produce NULL values URL: https://github.com/apache/calcite/pull/1611#discussion_r352443939 ## File path: core/src/main/java/org/apache/calcite/sql/fun/SqlCaseOperator.java

[GitHub] [calcite] chunweilei commented on a change in pull request #1611: [CALCITE-3355] Deduce whether CASE and COALESCE may produce NULL values

2019-12-01 Thread GitBox
chunweilei commented on a change in pull request #1611: [CALCITE-3355] Deduce whether CASE and COALESCE may produce NULL values URL: https://github.com/apache/calcite/pull/1611#discussion_r352398475 ## File path: core/src/main/java/org/apache/calcite/sql/fun/SqlCaseOperator.java

[GitHub] [calcite] chunweilei commented on a change in pull request #1611: [CALCITE-3355] Deduce whether CASE and COALESCE may produce NULL values

2019-11-30 Thread GitBox
chunweilei commented on a change in pull request #1611: [CALCITE-3355] Deduce whether CASE and COALESCE may produce NULL values URL: https://github.com/apache/calcite/pull/1611#discussion_r352276577 ## File path: core/src/main/java/org/apache/calcite/sql/fun/SqlCaseOperator.java

[GitHub] [calcite] chunweilei commented on a change in pull request #1611: [CALCITE-3355] Deduce whether CASE and COALESCE may produce NULL values

2019-11-30 Thread GitBox
chunweilei commented on a change in pull request #1611: [CALCITE-3355] Deduce whether CASE and COALESCE may produce NULL values URL: https://github.com/apache/calcite/pull/1611#discussion_r352275985 ## File path: core/src/main/java/org/apache/calcite/sql/fun/SqlCaseOperator.java