There is a bug in the JSON pretty-printer:
"tree": {
"merges": [
{
"index_merge": {
"tree": {
"ranges": ["c1(1)0"]
},
"tree": {
"ranges": ["c2(1)1"]
}
}
},
"ranges": "c2(1)1", <--- this member was not intended to be printed
{
"index_merge": {
"tree": {
"ranges": ["c1(1)2"]
},
"tree": {
"ranges": ["c2(1)3"]
}
}
}
]
}
As far as I know, there is no way to observe the bug for a user.
Json_writer is only used to produce ANALYZE|EXPLAIN FORMAT=JSON output. These documents have particular structure, and it doesn't allow to hit a bug.
I've hit the bug by using Json_writer from extra debugging code.
Sergei Petrunia
made changes -
2016-08-25 16:32
Field
Original Value
New Value
Assignee
Sergei Petrunia
[ psergey
]
Sergei Petrunia
made changes -
2016-08-25 16:32
Priority
Major
[ 3
]
Trivial
[ 5
]
Sergei Petrunia
made changes -
2016-08-25 16:48
Fix Version/s
10.1.17
[ 22102
]
Resolution
Fixed
[ 1
]
Status
Open
[ 1
]
Closed
[ 6
]
Sergei Golubchik
made changes -
2021-12-06 21:43
Workflow
MariaDB v3
[ 76799
]
MariaDB v4
[ 150819
]
{"report":{"fcp":1280.8000001907349,"ttfb":326.6000003814697,"pageVisibility":"visible","entityId":57794,"key":"jira.project.issue.view-issue","isInitial":true,"threshold":1000,"elementTimings":{},"userDeviceMemory":8,"userDeviceProcessors":32,"apdex":0.5,"journeyId":"1a7e369e-a171-45fa-ab82-404e213296e0","navigationType":0,"readyForUser":1363.4000005722046,"redirectCount":0,"resourceLoadedEnd":1690.1999998092651,"resourceLoadedStart":344.6000003814697,"resourceTiming":[{"duration":399.69999980926514,"initiatorType":"link","name":"https://jira.mariadb.org/s/2c21342762a6a02add1c328bed317ffd-CDN/lu2bv2/820016/12ta74/0a8bac35585be7fc6c9cc5a0464cd4cf/_/download/contextbatch/css/_super/batch.css","startTime":344.6000003814697,"connectEnd":0,"connectStart":0,"domainLookupEnd":0,"domainLookupStart":0,"fetchStart":344.6000003814697,"redirectEnd":0,"redirectStart":0,"requestStart":0,"responseEnd":744.3000001907349,"responseStart":0,"secureConnectionStart":0},{"duration":399.5,"initiatorType":"link","name":"https://jira.mariadb.org/s/7ebd35e77e471bc30ff0eba799ebc151-CDN/lu2bv2/820016/12ta74/2380add21a9a1006587582385952de73/_/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":345.1000003814697,"connectEnd":0,"connectStart":0,"domainLookupEnd":0,"domainLookupStart":0,"fetchStart":345.1000003814697,"redirectEnd":0,"redirectStart":0,"requestStart":0,"responseEnd":744.6000003814697,"responseStart":0,"secureConnectionStart":0},{"duration":408.20000076293945,"initiatorType":"script","name":"https://jira.mariadb.org/s/e9b27a47da5fb0f74a35acd57e9847fb-CDN/lu2bv2/820016/12ta74/0a8bac35585be7fc6c9cc5a0464cd4cf/_/download/contextbatch/js/_super/batch.js?locale=en","startTime":345.19999980926514,"connectEnd":345.19999980926514,"connectStart":345.19999980926514,"domainLookupEnd":345.19999980926514,"domainLookupStart":345.19999980926514,"fetchStart":345.19999980926514,"redirectEnd":0,"redirectStart":0,"requestStart":345.19999980926514,"responseEnd":753.4000005722046,"responseStart":753.4000005722046,"secureConnectionStart":345.19999980926514},{"duration":455.5,"initiatorType":"script","name":"https://jira.mariadb.org/s/c32eb0da7ad9831253f8397e6cc26afd-CDN/lu2bv2/820016/12ta74/2380add21a9a1006587582385952de73/_/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":345.4000005722046,"connectEnd":345.4000005722046,"connectStart":345.4000005722046,"domainLookupEnd":345.4000005722046,"domainLookupStart":345.4000005722046,"fetchStart":345.4000005722046,"redirectEnd":0,"redirectStart":0,"requestStart":345.4000005722046,"responseEnd":800.9000005722046,"responseStart":800.9000005722046,"secureConnectionStart":345.4000005722046},{"duration":460,"initiatorType":"script","name":"https://jira.mariadb.org/s/bc0bcb146314416123c992714ee00ff7-CDN/lu2bv2/820016/12ta74/c92c0caa9a024ae85b0ebdbed7fb4bd7/_/download/contextbatch/js/atl.global,-_super/batch.js?locale=en","startTime":345.6000003814697,"connectEnd":345.6000003814697,"connectStart":345.6000003814697,"domainLookupEnd":345.6000003814697,"domainLookupStart":345.6000003814697,"fetchStart":345.6000003814697,"redirectEnd":0,"redirectStart":0,"requestStart":345.6000003814697,"responseEnd":805.6000003814697,"responseStart":805.5,"secureConnectionStart":345.6000003814697},{"duration":460.19999980926514,"initiatorType":"script","name":"https://jira.mariadb.org/s/d41d8cd98f00b204e9800998ecf8427e-CDN/lu2bv2/820016/12ta74/1.0/_/download/batch/jira.webresources:calendar-en/jira.webresources:calendar-en.js","startTime":345.80000019073486,"connectEnd":345.80000019073486,"connectStart":345.80000019073486,"domainLookupEnd":345.80000019073486,"domainLookupStart":345.80000019073486,"fetchStart":345.80000019073486,"redirectEnd":0,"redirectStart":0,"requestStart":345.80000019073486,"responseEnd":806,"responseStart":806,"secureConnectionStart":345.80000019073486},{"duration":460.9000005722046,"initiatorType":"script","name":"https://jira.mariadb.org/s/d41d8cd98f00b204e9800998ecf8427e-CDN/lu2bv2/820016/12ta74/1.0/_/download/batch/jira.webresources:calendar-localisation-moment/jira.webresources:calendar-localisation-moment.js","startTime":346,"connectEnd":346,"connectStart":346,"domainLookupEnd":346,"domainLookupStart":346,"fetchStart":346,"redirectEnd":0,"redirectStart":0,"requestStart":346,"responseEnd":806.9000005722046,"responseStart":806.9000005722046,"secureConnectionStart":346},{"duration":562.5,"initiatorType":"link","name":"https://jira.mariadb.org/s/b04b06a02d1959df322d9cded3aeecc1-CDN/lu2bv2/820016/12ta74/a2ff6aa845ffc9a1d22fe23d9ee791fc/_/download/contextbatch/css/jira.global.look-and-feel,-_super/batch.css","startTime":346.1000003814697,"connectEnd":0,"connectStart":0,"domainLookupEnd":0,"domainLookupStart":0,"fetchStart":346.1000003814697,"redirectEnd":0,"redirectStart":0,"requestStart":0,"responseEnd":908.6000003814697,"responseStart":0,"secureConnectionStart":0},{"duration":461.6000003814697,"initiatorType":"script","name":"https://jira.mariadb.org/rest/api/1.0/shortcuts/820016/47140b6e0a9bc2e4913da06536125810/shortcuts.js?context=issuenavigation&context=issueaction","startTime":346.19999980926514,"connectEnd":346.19999980926514,"connectStart":346.19999980926514,"domainLookupEnd":346.19999980926514,"domainLookupStart":346.19999980926514,"fetchStart":346.19999980926514,"redirectEnd":0,"redirectStart":0,"requestStart":346.19999980926514,"responseEnd":807.8000001907349,"responseStart":807.8000001907349,"secureConnectionStart":346.19999980926514},{"duration":562.1999998092651,"initiatorType":"link","name":"https://jira.mariadb.org/s/3ac36323ba5e4eb0af2aa7ac7211b4bb-CDN/lu2bv2/820016/12ta74/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":346.5,"connectEnd":0,"connectStart":0,"domainLookupEnd":0,"domainLookupStart":0,"fetchStart":346.5,"redirectEnd":0,"redirectStart":0,"requestStart":0,"responseEnd":908.6999998092651,"responseStart":0,"secureConnectionStart":0},{"duration":463.19999980926514,"initiatorType":"script","name":"https://jira.mariadb.org/s/719848dd97ebe0663199f49a3936487a-CDN/lu2bv2/820016/12ta74/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":346.6000003814697,"connectEnd":346.6000003814697,"connectStart":346.6000003814697,"domainLookupEnd":346.6000003814697,"domainLookupStart":346.6000003814697,"fetchStart":346.6000003814697,"redirectEnd":0,"redirectStart":0,"requestStart":346.6000003814697,"responseEnd":809.8000001907349,"responseStart":809.8000001907349,"secureConnectionStart":346.6000003814697},{"duration":733.1999998092651,"initiatorType":"script","name":"https://jira.mariadb.org/s/d41d8cd98f00b204e9800998ecf8427e-CDN/lu2bv2/820016/12ta74/1.0/_/download/batch/jira.webresources:bigpipe-js/jira.webresources:bigpipe-js.js","startTime":363.80000019073486,"connectEnd":363.80000019073486,"connectStart":363.80000019073486,"domainLookupEnd":363.80000019073486,"domainLookupStart":363.80000019073486,"fetchStart":363.80000019073486,"redirectEnd":0,"redirectStart":0,"requestStart":363.80000019073486,"responseEnd":1097,"responseStart":1097,"secureConnectionStart":363.80000019073486},{"duration":1297.5999994277954,"initiatorType":"script","name":"https://jira.mariadb.org/s/d41d8cd98f00b204e9800998ecf8427e-CDN/lu2bv2/820016/12ta74/1.0/_/download/batch/jira.webresources:bigpipe-init/jira.webresources:bigpipe-init.js","startTime":372.1000003814697,"connectEnd":372.1000003814697,"connectStart":372.1000003814697,"domainLookupEnd":372.1000003814697,"domainLookupStart":372.1000003814697,"fetchStart":372.1000003814697,"redirectEnd":0,"redirectStart":0,"requestStart":372.1000003814697,"responseEnd":1669.6999998092651,"responseStart":1669.6999998092651,"secureConnectionStart":372.1000003814697},{"duration":201.80000019073486,"initiatorType":"xmlhttprequest","name":"https://jira.mariadb.org/rest/webResources/1.0/resources","startTime":951.8000001907349,"connectEnd":951.8000001907349,"connectStart":951.8000001907349,"domainLookupEnd":951.8000001907349,"domainLookupStart":951.8000001907349,"fetchStart":951.8000001907349,"redirectEnd":0,"redirectStart":0,"requestStart":951.8000001907349,"responseEnd":1153.6000003814697,"responseStart":1153.6000003814697,"secureConnectionStart":951.8000001907349},{"duration":480.0999994277954,"initiatorType":"script","name":"https://jira.mariadb.org/s/d41d8cd98f00b204e9800998ecf8427e-CDN/lu2bv2/820016/12ta74/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":1210.1000003814697,"connectEnd":1210.1000003814697,"connectStart":1210.1000003814697,"domainLookupEnd":1210.1000003814697,"domainLookupStart":1210.1000003814697,"fetchStart":1210.1000003814697,"redirectEnd":0,"redirectStart":0,"requestStart":1210.1000003814697,"responseEnd":1690.1999998092651,"responseStart":1690.1999998092651,"secureConnectionStart":1210.1000003814697}],"fetchStart":0,"domainLookupStart":0,"domainLookupEnd":0,"connectStart":0,"connectEnd":0,"requestStart":40,"responseStart":327,"responseEnd":372,"domLoading":343,"domInteractive":1725,"domContentLoadedEventStart":1725,"domContentLoadedEventEnd":1770,"domComplete":2322,"loadEventStart":2322,"loadEventEnd":2323,"userAgent":"Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)","marks":[{"name":"bigPipe.sidebar-id.start","time":1705.9000005722046},{"name":"bigPipe.sidebar-id.end","time":1706.9000005722046},{"name":"bigPipe.activity-panel-pipe-id.start","time":1707.1000003814697},{"name":"bigPipe.activity-panel-pipe-id.end","time":1708.9000005722046},{"name":"activityTabFullyLoaded","time":1788.6000003814697}],"measures":[],"correlationId":"b4accbe3423bec","effectiveType":"4g","downlink":9.8,"rtt":0,"serverDuration":107,"dbReadsTimeInMs":14,"dbConnsTimeInMs":22,"applicationHash":"9d11dbea5f4be3d4cc21f03a88dd11d8c8687422","experiments":[]}}
The debug diff that was used to create a problematic JSON output:
https://gist.github.com/spetrunia/445e6ffdddfe4621c15212ce8a8126fb