create table t1 (start_date date, end_date date, filler char(100), key(start_date, end_date)) ;
|
source ~/fill-test.sql
|
create table t1 (start_date date, end_date date, filler char(100), key(start_date, end_date)) ;
|
insert into t1 select date_add(now(), interval a day), date_add(now(), interval (a+7) day), 'data' from one_k;
|
Query OK, 1000 rows affected, 2000 warnings (0.40 sec)
|
Records: 1000 Duplicates: 0 Warnings: 2000
|
mysql> set optimizer_trace=1;
|
mysql> explain format=json select * from t1 force index(start_date) where start_date >= '2019-02-10' and end_date <'2019-04-01';
|
| {
|
"query_block": {
|
"select_id": 1,
|
"table": {
|
"table_name": "t1",
|
"access_type": "range",
|
"possible_keys": ["start_date"],
|
"key": "start_date",
|
"key_length": "8",
|
"used_key_parts": ["start_date", "end_date"],
|
"rows": 1000,
|
"filtered": 100,
|
"index_condition": "t1.start_date >= '2019-02-10' and t1.end_date < '2019-04-01'"
|
}
|
}
|
}
|
Note that
"used_key_parts": ["start_date", "end_date"],
|
But due to a bug in append_range_all_keyparts near is_singlepoint() call the
printed range uses one key part:
"range_scan_alternatives": [
|
{
|
"index": "start_date",
|
"ranges": ["0x4ac60f <= start_date"],
|
"rowid_ordered": false,
|
"using_mrr": false,
|
"index_only": false,
|
"rows": 1000,
|
"cost": 1252.4,
|
"chosen": true
|
}
|
],
|
The fact that date is printed as 0x4ac60f is a separate bug and should also be
fixed.
{"report":{"fcp":993.3999999985099,"ttfb":223.5,"pageVisibility":"visible","entityId":72851,"key":"jira.project.issue.view-issue","isInitial":true,"threshold":1000,"elementTimings":{},"userDeviceMemory":8,"userDeviceProcessors":16,"apdex":0.5,"journeyId":"78a38e85-d2d4-4758-9f9c-3a1654164639","navigationType":0,"readyForUser":1145.8999999985099,"redirectCount":0,"resourceLoadedEnd":1001.5,"resourceLoadedStart":238.09999999776483,"resourceTiming":[{"duration":76.30000000074506,"initiatorType":"link","name":"https://jira.mariadb.org/s/2c21342762a6a02add1c328bed317ffd-CDN/lu2bu7/820016/12ta74/0a8bac35585be7fc6c9cc5a0464cd4cf/_/download/contextbatch/css/_super/batch.css","startTime":238.09999999776483,"connectEnd":0,"connectStart":0,"domainLookupEnd":0,"domainLookupStart":0,"fetchStart":238.09999999776483,"redirectEnd":0,"redirectStart":0,"requestStart":0,"responseEnd":314.3999999985099,"responseStart":0,"secureConnectionStart":0},{"duration":76.5,"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":238.30000000074506,"connectEnd":0,"connectStart":0,"domainLookupEnd":0,"domainLookupStart":0,"fetchStart":238.30000000074506,"redirectEnd":0,"redirectStart":0,"requestStart":0,"responseEnd":314.80000000074506,"responseStart":0,"secureConnectionStart":0},{"duration":125.5,"initiatorType":"script","name":"https://jira.mariadb.org/s/fbf975c0cce4b1abf04784eeae9ba1f4-CDN/lu2bu7/820016/12ta74/0a8bac35585be7fc6c9cc5a0464cd4cf/_/download/contextbatch/js/_super/batch.js?locale=en","startTime":240.19999999925494,"connectEnd":240.19999999925494,"connectStart":240.19999999925494,"domainLookupEnd":240.19999999925494,"domainLookupStart":240.19999999925494,"fetchStart":240.19999999925494,"redirectEnd":0,"redirectStart":0,"requestStart":240.19999999925494,"responseEnd":365.69999999925494,"responseStart":365.69999999925494,"secureConnectionStart":240.19999999925494},{"duration":267.8999999985099,"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":240.19999999925494,"connectEnd":240.19999999925494,"connectStart":240.19999999925494,"domainLookupEnd":240.19999999925494,"domainLookupStart":240.19999999925494,"fetchStart":240.19999999925494,"redirectEnd":0,"redirectStart":0,"requestStart":240.19999999925494,"responseEnd":508.0999999977648,"responseStart":508.0999999977648,"secureConnectionStart":240.19999999925494},{"duration":274.5999999977648,"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":240.30000000074506,"connectEnd":240.30000000074506,"connectStart":240.30000000074506,"domainLookupEnd":240.30000000074506,"domainLookupStart":240.30000000074506,"fetchStart":240.30000000074506,"redirectEnd":0,"redirectStart":0,"requestStart":240.30000000074506,"responseEnd":514.8999999985099,"responseStart":514.8999999985099,"secureConnectionStart":240.30000000074506},{"duration":275.69999999925494,"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":240.39999999850988,"connectEnd":240.39999999850988,"connectStart":240.39999999850988,"domainLookupEnd":240.39999999850988,"domainLookupStart":240.39999999850988,"fetchStart":240.39999999850988,"redirectEnd":0,"redirectStart":0,"requestStart":240.39999999850988,"responseEnd":516.0999999977648,"responseStart":516.0999999977648,"secureConnectionStart":240.39999999850988},{"duration":276.5,"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":240.5,"connectEnd":240.5,"connectStart":240.5,"domainLookupEnd":240.5,"domainLookupStart":240.5,"fetchStart":240.5,"redirectEnd":0,"redirectStart":0,"requestStart":240.5,"responseEnd":517,"responseStart":517,"secureConnectionStart":240.5},{"duration":280.70000000298023,"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":240.59999999776483,"connectEnd":0,"connectStart":0,"domainLookupEnd":0,"domainLookupStart":0,"fetchStart":240.59999999776483,"redirectEnd":0,"redirectStart":0,"requestStart":0,"responseEnd":521.3000000007451,"responseStart":0,"secureConnectionStart":0},{"duration":277.1000000014901,"initiatorType":"script","name":"https://jira.mariadb.org/rest/api/1.0/shortcuts/820016/47140b6e0a9bc2e4913da06536125810/shortcuts.js?context=issuenavigation&context=issueaction","startTime":240.69999999925494,"connectEnd":240.69999999925494,"connectStart":240.69999999925494,"domainLookupEnd":240.69999999925494,"domainLookupStart":240.69999999925494,"fetchStart":240.69999999925494,"redirectEnd":0,"redirectStart":0,"requestStart":240.69999999925494,"responseEnd":517.8000000007451,"responseStart":517.6999999992549,"secureConnectionStart":240.69999999925494},{"duration":280.69999999925494,"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":240.80000000074506,"connectEnd":0,"connectStart":0,"domainLookupEnd":0,"domainLookupStart":0,"fetchStart":240.80000000074506,"redirectEnd":0,"redirectStart":0,"requestStart":0,"responseEnd":521.5,"responseStart":0,"secureConnectionStart":0},{"duration":277.69999999925494,"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":240.89999999850988,"connectEnd":240.89999999850988,"connectStart":240.89999999850988,"domainLookupEnd":240.89999999850988,"domainLookupStart":240.89999999850988,"fetchStart":240.89999999850988,"redirectEnd":0,"redirectStart":0,"requestStart":240.89999999850988,"responseEnd":518.5999999977648,"responseStart":518.5999999977648,"secureConnectionStart":240.89999999850988},{"duration":415.8999999985099,"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":241.69999999925494,"connectEnd":241.69999999925494,"connectStart":241.69999999925494,"domainLookupEnd":241.69999999925494,"domainLookupStart":241.69999999925494,"fetchStart":241.69999999925494,"redirectEnd":0,"redirectStart":0,"requestStart":241.69999999925494,"responseEnd":657.5999999977648,"responseStart":657.5999999977648,"secureConnectionStart":241.69999999925494},{"duration":606.5,"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":241.80000000074506,"connectEnd":241.80000000074506,"connectStart":241.80000000074506,"domainLookupEnd":241.80000000074506,"domainLookupStart":241.80000000074506,"fetchStart":241.80000000074506,"redirectEnd":0,"redirectStart":0,"requestStart":241.80000000074506,"responseEnd":848.3000000007451,"responseStart":848.3000000007451,"secureConnectionStart":241.80000000074506},{"duration":97.10000000149012,"initiatorType":"xmlhttprequest","name":"https://jira.mariadb.org/rest/webResources/1.0/resources","startTime":604.6999999992549,"connectEnd":604.6999999992549,"connectStart":604.6999999992549,"domainLookupEnd":604.6999999992549,"domainLookupStart":604.6999999992549,"fetchStart":604.6999999992549,"redirectEnd":0,"redirectStart":0,"requestStart":604.6999999992549,"responseEnd":701.8000000007451,"responseStart":701.8000000007451,"secureConnectionStart":604.6999999992549},{"duration":23.800000000745058,"initiatorType":"link","name":"https://jira.mariadb.org/s/d5715adaadd168a9002b108b2b039b50-CDN/lu2bu7/820016/12ta74/be4b45e9cec53099498fa61c8b7acba4/_/download/contextbatch/css/jira.project.sidebar,-_super,-project.issue.navigator,-jira.general,-jira.browse.project,-jira.view.issue,-jira.global,-atl.general,-com.atlassian.jira.projects.sidebar.init/batch.css?agile_global_admin_condition=true&jag=true&jira.create.linked.issue=true&slack-enabled=true","startTime":868,"connectEnd":0,"connectStart":0,"domainLookupEnd":0,"domainLookupStart":0,"fetchStart":868,"redirectEnd":0,"redirectStart":0,"requestStart":0,"responseEnd":891.8000000007451,"responseStart":0,"secureConnectionStart":0},{"duration":121.90000000223517,"initiatorType":"script","name":"https://jira.mariadb.org/s/d41d8cd98f00b204e9800998ecf8427e-CDN/lu2bu7/820016/12ta74/e65b778d185daf5aee24936755b43da6/_/download/contextbatch/js/browser-metrics-plugin.contrib,-_super,-project.issue.navigator,-jira.view.issue,-atl.general/batch.js?agile_global_admin_condition=true&jag=true&jira.create.linked.issue=true&slack-enabled=true","startTime":869.5999999977648,"connectEnd":869.5999999977648,"connectStart":869.5999999977648,"domainLookupEnd":869.5999999977648,"domainLookupStart":869.5999999977648,"fetchStart":869.5999999977648,"redirectEnd":0,"redirectStart":0,"requestStart":869.5999999977648,"responseEnd":991.5,"responseStart":991.5,"secureConnectionStart":869.5999999977648},{"duration":131.5,"initiatorType":"script","name":"https://jira.mariadb.org/s/f51ef5507eea4c158f257c66c93b2a3f-CDN/lu2bu7/820016/12ta74/be4b45e9cec53099498fa61c8b7acba4/_/download/contextbatch/js/jira.project.sidebar,-_super,-project.issue.navigator,-jira.general,-jira.browse.project,-jira.view.issue,-jira.global,-atl.general,-com.atlassian.jira.projects.sidebar.init/batch.js?agile_global_admin_condition=true&jag=true&jira.create.linked.issue=true&locale=en&slack-enabled=true","startTime":870,"connectEnd":870,"connectStart":870,"domainLookupEnd":870,"domainLookupStart":870,"fetchStart":870,"redirectEnd":0,"redirectStart":0,"requestStart":870,"responseEnd":1001.5,"responseStart":1001.5,"secureConnectionStart":870},{"duration":185.09999999776483,"initiatorType":"script","name":"https://www.google-analytics.com/analytics.js","startTime":985.3000000007451,"connectEnd":0,"connectStart":0,"domainLookupEnd":0,"domainLookupStart":0,"fetchStart":985.3000000007451,"redirectEnd":0,"redirectStart":0,"requestStart":0,"responseEnd":1170.3999999985099,"responseStart":0,"secureConnectionStart":0},{"duration":185.90000000223517,"initiatorType":"xmlhttprequest","name":"https://jira.mariadb.org/rest/webResources/1.0/resources","startTime":1032.5999999977648,"connectEnd":1032.5999999977648,"connectStart":1032.5999999977648,"domainLookupEnd":1032.5999999977648,"domainLookupStart":1032.5999999977648,"fetchStart":1032.5999999977648,"redirectEnd":0,"redirectStart":0,"requestStart":1032.5999999977648,"responseEnd":1218.5,"responseStart":1218.5,"secureConnectionStart":1032.5999999977648}],"fetchStart":0,"domainLookupStart":0,"domainLookupEnd":0,"connectStart":0,"connectEnd":0,"requestStart":80,"responseStart":224,"responseEnd":225,"domLoading":229,"domInteractive":1270,"domContentLoadedEventStart":1279,"domContentLoadedEventEnd":1356,"domComplete":1865,"loadEventStart":1865,"loadEventEnd":1879,"userAgent":"Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)","marks":[{"name":"bigPipe.sidebar-id.start","time":1214.8999999985099},{"name":"bigPipe.sidebar-id.end","time":1215.699999999255},{"name":"bigPipe.activity-panel-pipe-id.start","time":1215.800000000745},{"name":"bigPipe.activity-panel-pipe-id.end","time":1218.800000000745},{"name":"activityTabFullyLoaded","time":1366.8999999985099}],"measures":[],"correlationId":"945ea93faa9329","effectiveType":"4g","downlink":9.9,"rtt":0,"serverDuration":84,"dbReadsTimeInMs":12,"dbConnsTimeInMs":20,"applicationHash":"9d11dbea5f4be3d4cc21f03a88dd11d8c8687422","experiments":[]}}