[jira] [Commented] (FLINK-16823) The functioin TIMESTAMPDIFF doesn't perform expected result
[ https://issues.apache.org/jira/browse/FLINK-16823?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17071511#comment-17071511 ] Zhenghua Gao commented on FLINK-16823: -- After talk with [~danny0405], we decide to introduce addMonths/subtractMonths as a temporary solution on Flink side to fix this corner case before CALCITE-3881 is fixed. > The functioin TIMESTAMPDIFF doesn't perform expected result > --- > > Key: FLINK-16823 > URL: https://issues.apache.org/jira/browse/FLINK-16823 > Project: Flink > Issue Type: Bug > Components: Table SQL / Planner >Affects Versions: 1.9.1, 1.10.0 >Reporter: Adam N D DENG >Assignee: Zhenghua Gao >Priority: Major > Labels: pull-request-available > Attachments: image-2020-03-27-13-50-51-955.png > > Time Spent: 10m > Remaining Estimate: 0h > > For example, > In mysql bellow sql get result 6, but in flink the output is 5 > SELECT timestampdiff (MONTH, TIMESTAMP '2019-09-01 00:00:00',TIMESTAMP > '2020-03-01 00:00:00' ) > > !image-2020-03-27-13-50-51-955.png! > > -- This message was sent by Atlassian Jira (v8.3.4#803005)
[jira] [Commented] (FLINK-16823) The functioin TIMESTAMPDIFF doesn't perform expected result
[ https://issues.apache.org/jira/browse/FLINK-16823?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17068618#comment-17068618 ] Zhenghua Gao commented on FLINK-16823: -- [~danny0405] What the plan of the upgrading of Calcite? Should we also upgrade calcite-avatica? > The functioin TIMESTAMPDIFF doesn't perform expected result > --- > > Key: FLINK-16823 > URL: https://issues.apache.org/jira/browse/FLINK-16823 > Project: Flink > Issue Type: Bug >Affects Versions: 1.9.1, 1.10.0 >Reporter: Adam N D DENG >Assignee: Zhenghua Gao >Priority: Major > Attachments: image-2020-03-27-13-50-51-955.png > > > For example, > In mysql bellow sql get result 6, but in flink the output is 5 > SELECT timestampdiff (MONTH, TIMESTAMP '2019-09-01 00:00:00',TIMESTAMP > '2020-03-01 00:00:00' ) > > !image-2020-03-27-13-50-51-955.png! > > -- This message was sent by Atlassian Jira (v8.3.4#803005)
[jira] [Commented] (FLINK-16823) The functioin TIMESTAMPDIFF doesn't perform expected result
[ https://issues.apache.org/jira/browse/FLINK-16823?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17068610#comment-17068610 ] Zhenghua Gao commented on FLINK-16823: -- The root cause is CALCITE-3881, will fix on calcite side. > The functioin TIMESTAMPDIFF doesn't perform expected result > --- > > Key: FLINK-16823 > URL: https://issues.apache.org/jira/browse/FLINK-16823 > Project: Flink > Issue Type: Bug >Affects Versions: 1.9.1, 1.10.0 >Reporter: Adam N D DENG >Assignee: Zhenghua Gao >Priority: Major > Attachments: image-2020-03-27-13-50-51-955.png > > > For example, > In mysql bellow sql get result 6, but in flink the output is 5 > SELECT timestampdiff (MONTH, TIMESTAMP '2019-09-01 00:00:00',TIMESTAMP > '2020-03-01 00:00:00' ) > > !image-2020-03-27-13-50-51-955.png! > > -- This message was sent by Atlassian Jira (v8.3.4#803005)
[jira] [Commented] (FLINK-16823) The functioin TIMESTAMPDIFF doesn't perform expected result
[ https://issues.apache.org/jira/browse/FLINK-16823?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17068426#comment-17068426 ] Zhenghua Gao commented on FLINK-16823: -- Flink use Calcite's SqlFunctions#subtractMonths to find the number of month between two dates/timestamps. There may be a bug in the algorithm of SqlFunctions#subtractMonths. Will dig deeper to find the root cause and fix. > The functioin TIMESTAMPDIFF doesn't perform expected result > --- > > Key: FLINK-16823 > URL: https://issues.apache.org/jira/browse/FLINK-16823 > Project: Flink > Issue Type: Bug >Affects Versions: 1.9.1, 1.10.0 >Reporter: Adam N D DENG >Assignee: Zhenghua Gao >Priority: Major > Attachments: image-2020-03-27-13-50-51-955.png > > > For example, > In mysql bellow sql get result 6, but in flink the output is 5 > SELECT timestampdiff (MONTH, TIMESTAMP '2019-09-01 00:00:00',TIMESTAMP > '2020-03-01 00:00:00' ) > > !image-2020-03-27-13-50-51-955.png! > > -- This message was sent by Atlassian Jira (v8.3.4#803005)
[jira] [Commented] (FLINK-16823) The functioin TIMESTAMPDIFF doesn't perform expected result
[ https://issues.apache.org/jira/browse/FLINK-16823?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17068396#comment-17068396 ] Zhenghua Gao commented on FLINK-16823: -- OK, i will take a look at it. > The functioin TIMESTAMPDIFF doesn't perform expected result > --- > > Key: FLINK-16823 > URL: https://issues.apache.org/jira/browse/FLINK-16823 > Project: Flink > Issue Type: Bug >Affects Versions: 1.9.1, 1.10.0 >Reporter: Adam N D DENG >Priority: Major > Attachments: image-2020-03-27-13-50-51-955.png > > > For example, > In mysql bellow sql get result 6, but in flink the output is 5 > SELECT timestampdiff (MONTH, TIMESTAMP '2019-09-01 00:00:00',TIMESTAMP > '2020-03-01 00:00:00' ) > > !image-2020-03-27-13-50-51-955.png! > > -- This message was sent by Atlassian Jira (v8.3.4#803005)
[jira] [Commented] (FLINK-16823) The functioin TIMESTAMPDIFF doesn't perform expected result
[ https://issues.apache.org/jira/browse/FLINK-16823?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17068358#comment-17068358 ] Kurt Young commented on FLINK-16823: Yes, this is a bug. [~docete] could you take a look at this? > The functioin TIMESTAMPDIFF doesn't perform expected result > --- > > Key: FLINK-16823 > URL: https://issues.apache.org/jira/browse/FLINK-16823 > Project: Flink > Issue Type: Bug >Affects Versions: 1.9.1, 1.10.0 >Reporter: Adam N D DENG >Priority: Major > Attachments: image-2020-03-27-13-50-51-955.png > > > For example, > In mysql bellow sql get result 6, but in flink the output is 5 > SELECT timestampdiff (MONTH, TIMESTAMP '2019-09-01 00:00:00',TIMESTAMP > '2020-03-01 00:00:00' ) > > !image-2020-03-27-13-50-51-955.png! > > -- This message was sent by Atlassian Jira (v8.3.4#803005)
