diff --git a/.chloggen/mysql-receiver-query-join-fix.yaml b/.chloggen/mysql-receiver-query-join-fix.yaml new file mode 100644 index 0000000000000..717b5364c64f4 --- /dev/null +++ b/.chloggen/mysql-receiver-query-join-fix.yaml @@ -0,0 +1,29 @@ +# Use this changelog template to create an entry for release notes. + +# One of 'breaking', 'deprecation', 'new_component', 'enhancement', 'bug_fix' +change_type: bug_fix + +# The name of the component, or a single word describing the area of concern, (e.g. receiver/filelog) +component: receiver/mysql + +# A brief description of the change. Surround your text with quotes ("") if it needs to start with a backtick (`). +note: "Fixed incorrect JOIN condition in querySample.tmpl that was comparing thread.thread_id to processlist.id instead of the correct foreign key thread.processlist_id." + +# Mandatory: One or more tracking issues related to the change. You can use the PR number here if no issue exists. +issues: [46548] + +# (Optional) One or more lines of additional information to render under the primary note. +# These lines will be padded with 2 spaces and then inserted directly into the document. +# Use pipe (|) for multiline entries. +subtext: | + The LEFT JOIN with information_schema.processlist was using an incorrect join condition that would fail to properly correlate rows between the performance_schema.threads and information_schema.processlist tables. The fix changes the join condition from `processlist.id = thread.thread_id` to `processlist.id = thread.processlist_id` to use the correct foreign key relationship. + +# If your change doesn't affect end users or the exported elements of any package, +# you should instead start your pull request title with [chore] or use the "Skip Changelog" label. +# Optional: The change log or logs in which this entry should be included. +# e.g. '[user]' or '[user, api]' +# Include 'user' if the change is relevant to end users. +# Include 'api' if there is a change to a library API. +# Default: '[user]' +change_logs: [user] + diff --git a/receiver/mysqlreceiver/templates/querySample.tmpl b/receiver/mysqlreceiver/templates/querySample.tmpl index 55afe4cf70777..9b40c6ed62b4e 100644 --- a/receiver/mysqlreceiver/templates/querySample.tmpl +++ b/receiver/mysqlreceiver/templates/querySample.tmpl @@ -20,7 +20,7 @@ FROM performance_schema.threads AS thread LEFT JOIN performance_schema.events_statements_current AS statement ON statement.thread_id = thread.thread_id LEFT JOIN performance_schema.events_waits_current AS wait ON wait.thread_id = thread.thread_id - LEFT JOIN information_schema.processlist AS processlist on processlist.id = thread.thread_id + LEFT JOIN information_schema.processlist AS processlist on processlist.id = thread.processlist_id WHERE thread.processlist_state IS NOT NULL AND thread.processlist_command != 'Sleep'