MySQL rounds fractional seconds on implicit TIME->BIGINT conversion and on explicit CAST:
SET sql_mode=''; -- MySQL rounds by default
|
DROP TABLE IF EXISTS t1;
|
CREATE TABLE t1 (a BIGINT);
|
INSERT INTO t1 VALUES (TIME'-00:00:01.6');
|
SELECT a, CAST(TIME'-00:00:01.6' AS SIGNED) FROM t1;
|
+------+-----------------------------------+
|
| a | CAST(TIME'-00:00:01.6' AS SIGNED) |
|
+------+-----------------------------------+
|
| -2 | -2 |
|
+------+-----------------------------------+
|
MariaDB truncates:
SET sql_mode='TIME_ROUND_FRACTIONAL';
|
DROP TABLE IF EXISTS t1;
|
CREATE TABLE t1 (a BIGINT);
|
INSERT INTO t1 VALUES (TIME'-00:00:01.6');
|
SELECT a, CAST(TIME'-00:00:01.6' AS SIGNED) FROM t1;
|
+------+-----------------------------------+
|
| a | CAST(TIME'-00:00:01.6' AS SIGNED) |
|
+------+-----------------------------------+
|
| -1 | -1 |
|
+------+-----------------------------------+
|
{"report":{"fcp":785.5999999046326,"ttfb":152.40000009536743,"pageVisibility":"visible","entityId":76085,"key":"jira.project.issue.view-issue","isInitial":true,"threshold":1000,"elementTimings":{},"userDeviceMemory":8,"userDeviceProcessors":64,"apdex":1,"journeyId":"bea0c69a-f70d-4d58-8963-74d2ccf523d2","navigationType":0,"readyForUser":845.0999999046326,"redirectCount":0,"resourceLoadedEnd":578.9000000953674,"resourceLoadedStart":157.70000004768372,"resourceTiming":[{"duration":190.89999985694885,"initiatorType":"link","name":"https://jira.mariadb.org/s/2c21342762a6a02add1c328bed317ffd-CDN/lu2bu7/820016/12ta74/0a8bac35585be7fc6c9cc5a0464cd4cf/_/download/contextbatch/css/_super/batch.css","startTime":157.70000004768372,"connectEnd":0,"connectStart":0,"domainLookupEnd":0,"domainLookupStart":0,"fetchStart":157.70000004768372,"redirectEnd":0,"redirectStart":0,"requestStart":0,"responseEnd":348.59999990463257,"responseStart":0,"secureConnectionStart":0},{"duration":190.69999980926514,"initiatorType":"link","name":"https://jira.mariadb.org/s/7ebd35e77e471bc30ff0eba799ebc151-CDN/lu2bu7/820016/12ta74/8679b4946efa1a0bb029a3a22206fb5d/_/download/contextbatch/css/jira.browse.project,project.issue.navigator,jira.view.issue,jira.general,jira.global,atl.general,-_super/batch.css?agile_global_admin_condition=true&jag=true&jira.create.linked.issue=true&slack-enabled=true","startTime":157.90000009536743,"connectEnd":0,"connectStart":0,"domainLookupEnd":0,"domainLookupStart":0,"fetchStart":157.90000009536743,"redirectEnd":0,"redirectStart":0,"requestStart":0,"responseEnd":348.59999990463257,"responseStart":0,"secureConnectionStart":0},{"duration":200.09999990463257,"initiatorType":"script","name":"https://jira.mariadb.org/s/fbf975c0cce4b1abf04784eeae9ba1f4-CDN/lu2bu7/820016/12ta74/0a8bac35585be7fc6c9cc5a0464cd4cf/_/download/contextbatch/js/_super/batch.js?locale=en","startTime":158,"connectEnd":158,"connectStart":158,"domainLookupEnd":158,"domainLookupStart":158,"fetchStart":158,"redirectEnd":0,"redirectStart":0,"requestStart":158,"responseEnd":358.09999990463257,"responseStart":358.09999990463257,"secureConnectionStart":158},{"duration":224.90000009536743,"initiatorType":"script","name":"https://jira.mariadb.org/s/099b33461394b8015fc36c0a4b96e19f-CDN/lu2bu7/820016/12ta74/8679b4946efa1a0bb029a3a22206fb5d/_/download/contextbatch/js/jira.browse.project,project.issue.navigator,jira.view.issue,jira.general,jira.global,atl.general,-_super/batch.js?agile_global_admin_condition=true&jag=true&jira.create.linked.issue=true&locale=en&slack-enabled=true","startTime":158.09999990463257,"connectEnd":158.09999990463257,"connectStart":158.09999990463257,"domainLookupEnd":158.09999990463257,"domainLookupStart":158.09999990463257,"fetchStart":158.09999990463257,"redirectEnd":0,"redirectStart":0,"requestStart":158.09999990463257,"responseEnd":383,"responseStart":383,"secureConnectionStart":158.09999990463257},{"duration":228.5,"initiatorType":"script","name":"https://jira.mariadb.org/s/94c15bff32baef80f4096a08aceae8bc-CDN/lu2bu7/820016/12ta74/c92c0caa9a024ae85b0ebdbed7fb4bd7/_/download/contextbatch/js/atl.global,-_super/batch.js?locale=en","startTime":158.20000004768372,"connectEnd":158.20000004768372,"connectStart":158.20000004768372,"domainLookupEnd":158.20000004768372,"domainLookupStart":158.20000004768372,"fetchStart":158.20000004768372,"redirectEnd":0,"redirectStart":0,"requestStart":158.20000004768372,"responseEnd":386.7000000476837,"responseStart":386.7000000476837,"secureConnectionStart":158.20000004768372},{"duration":228.90000009536743,"initiatorType":"script","name":"https://jira.mariadb.org/s/d41d8cd98f00b204e9800998ecf8427e-CDN/lu2bu7/820016/12ta74/1.0/_/download/batch/jira.webresources:calendar-en/jira.webresources:calendar-en.js","startTime":158.29999995231628,"connectEnd":158.29999995231628,"connectStart":158.29999995231628,"domainLookupEnd":158.29999995231628,"domainLookupStart":158.29999995231628,"fetchStart":158.29999995231628,"redirectEnd":0,"redirectStart":0,"requestStart":158.29999995231628,"responseEnd":387.2000000476837,"responseStart":387.2000000476837,"secureConnectionStart":158.29999995231628},{"duration":229.09999990463257,"initiatorType":"script","name":"https://jira.mariadb.org/s/d41d8cd98f00b204e9800998ecf8427e-CDN/lu2bu7/820016/12ta74/1.0/_/download/batch/jira.webresources:calendar-localisation-moment/jira.webresources:calendar-localisation-moment.js","startTime":158.40000009536743,"connectEnd":158.40000009536743,"connectStart":158.40000009536743,"domainLookupEnd":158.40000009536743,"domainLookupStart":158.40000009536743,"fetchStart":158.40000009536743,"redirectEnd":0,"redirectStart":0,"requestStart":158.40000009536743,"responseEnd":387.5,"responseStart":387.5,"secureConnectionStart":158.40000009536743},{"duration":230.09999990463257,"initiatorType":"link","name":"https://jira.mariadb.org/s/b04b06a02d1959df322d9cded3aeecc1-CDN/lu2bu7/820016/12ta74/a2ff6aa845ffc9a1d22fe23d9ee791fc/_/download/contextbatch/css/jira.global.look-and-feel,-_super/batch.css","startTime":158.5,"connectEnd":0,"connectStart":0,"domainLookupEnd":0,"domainLookupStart":0,"fetchStart":158.5,"redirectEnd":0,"redirectStart":0,"requestStart":0,"responseEnd":388.59999990463257,"responseStart":0,"secureConnectionStart":0},{"duration":229.30000019073486,"initiatorType":"script","name":"https://jira.mariadb.org/rest/api/1.0/shortcuts/820016/47140b6e0a9bc2e4913da06536125810/shortcuts.js?context=issuenavigation&context=issueaction","startTime":158.59999990463257,"connectEnd":158.59999990463257,"connectStart":158.59999990463257,"domainLookupEnd":158.59999990463257,"domainLookupStart":158.59999990463257,"fetchStart":158.59999990463257,"redirectEnd":0,"redirectStart":0,"requestStart":158.59999990463257,"responseEnd":387.90000009536743,"responseStart":387.90000009536743,"secureConnectionStart":158.59999990463257},{"duration":230.29999995231628,"initiatorType":"link","name":"https://jira.mariadb.org/s/3ac36323ba5e4eb0af2aa7ac7211b4bb-CDN/lu2bu7/820016/12ta74/d176f0986478cc64f24226b3d20c140d/_/download/contextbatch/css/com.atlassian.jira.projects.sidebar.init,-_super,-project.issue.navigator,-jira.view.issue/batch.css?jira.create.linked.issue=true","startTime":158.70000004768372,"connectEnd":0,"connectStart":0,"domainLookupEnd":0,"domainLookupStart":0,"fetchStart":158.70000004768372,"redirectEnd":0,"redirectStart":0,"requestStart":0,"responseEnd":389,"responseStart":0,"secureConnectionStart":0},{"duration":229.79999995231628,"initiatorType":"script","name":"https://jira.mariadb.org/s/3339d87fa2538a859872f2df449bf8d0-CDN/lu2bu7/820016/12ta74/d176f0986478cc64f24226b3d20c140d/_/download/contextbatch/js/com.atlassian.jira.projects.sidebar.init,-_super,-project.issue.navigator,-jira.view.issue/batch.js?jira.create.linked.issue=true&locale=en","startTime":158.79999995231628,"connectEnd":158.79999995231628,"connectStart":158.79999995231628,"domainLookupEnd":158.79999995231628,"domainLookupStart":158.79999995231628,"fetchStart":158.79999995231628,"redirectEnd":0,"redirectStart":0,"requestStart":158.79999995231628,"responseEnd":388.59999990463257,"responseStart":388.59999990463257,"secureConnectionStart":158.79999995231628},{"duration":275.2000000476837,"initiatorType":"script","name":"https://jira.mariadb.org/s/d41d8cd98f00b204e9800998ecf8427e-CDN/lu2bu7/820016/12ta74/1.0/_/download/batch/jira.webresources:bigpipe-js/jira.webresources:bigpipe-js.js","startTime":164.5,"connectEnd":164.5,"connectStart":164.5,"domainLookupEnd":164.5,"domainLookupStart":164.5,"fetchStart":164.5,"redirectEnd":0,"redirectStart":0,"requestStart":164.5,"responseEnd":439.7000000476837,"responseStart":439.7000000476837,"secureConnectionStart":164.5},{"duration":414.30000019073486,"initiatorType":"script","name":"https://jira.mariadb.org/s/d41d8cd98f00b204e9800998ecf8427e-CDN/lu2bu7/820016/12ta74/1.0/_/download/batch/jira.webresources:bigpipe-init/jira.webresources:bigpipe-init.js","startTime":164.59999990463257,"connectEnd":164.59999990463257,"connectStart":164.59999990463257,"domainLookupEnd":164.59999990463257,"domainLookupStart":164.59999990463257,"fetchStart":164.59999990463257,"redirectEnd":0,"redirectStart":0,"requestStart":164.59999990463257,"responseEnd":578.9000000953674,"responseStart":578.9000000953674,"secureConnectionStart":164.59999990463257},{"duration":319.30000019073486,"initiatorType":"xmlhttprequest","name":"https://jira.mariadb.org/rest/webResources/1.0/resources","startTime":591.0999999046326,"connectEnd":591.0999999046326,"connectStart":591.0999999046326,"domainLookupEnd":591.0999999046326,"domainLookupStart":591.0999999046326,"fetchStart":591.0999999046326,"redirectEnd":0,"redirectStart":0,"requestStart":591.0999999046326,"responseEnd":910.4000000953674,"responseStart":910.4000000953674,"secureConnectionStart":591.0999999046326},{"duration":151.70000004768372,"initiatorType":"script","name":"https://www.google-analytics.com/analytics.js","startTime":764.7000000476837,"connectEnd":0,"connectStart":0,"domainLookupEnd":0,"domainLookupStart":0,"fetchStart":764.7000000476837,"redirectEnd":0,"redirectStart":0,"requestStart":0,"responseEnd":916.4000000953674,"responseStart":0,"secureConnectionStart":0}],"fetchStart":0,"domainLookupStart":0,"domainLookupEnd":0,"connectStart":0,"connectEnd":0,"requestStart":27,"responseStart":152,"responseEnd":164,"domLoading":156,"domInteractive":944,"domContentLoadedEventStart":944,"domContentLoadedEventEnd":984,"domComplete":1671,"loadEventStart":1671,"loadEventEnd":1672,"userAgent":"Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)","marks":[{"name":"bigPipe.sidebar-id.start","time":920.2000000476837},{"name":"bigPipe.sidebar-id.end","time":921},{"name":"bigPipe.activity-panel-pipe-id.start","time":921.0999999046326},{"name":"bigPipe.activity-panel-pipe-id.end","time":923.5999999046326},{"name":"activityTabFullyLoaded","time":994.7000000476837}],"measures":[],"correlationId":"48ca0069b0f8c3","effectiveType":"4g","downlink":9.8,"rtt":0,"serverDuration":71,"dbReadsTimeInMs":14,"dbConnsTimeInMs":20,"applicationHash":"9d11dbea5f4be3d4cc21f03a88dd11d8c8687422","experiments":[]}}