docs/extract: clarify extract array examples for path/request_id#980
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withlin wants to merge 1 commit intoVictoriaMetrics:masterfrom
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docs/extract: clarify extract array examples for path/request_id#980withlin wants to merge 1 commit intoVictoriaMetrics:masterfrom
withlin wants to merge 1 commit intoVictoriaMetrics:masterfrom
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func25
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Dec 31, 2025
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| If you only need the part before `?` in `_msg`, you can skip `split` and directly extract both pieces: | ||
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| ```logsql | ||
| ... | extract '<path>?<request_id>' from _msg | stats by (path) count() | ||
| ``` | ||
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| If you already used [`split` pipe](https://docs.victoriametrics.com/victorialogs/logsql/#split-pipe) to turn `_msg` into an array, placeholders let you pick specific items: | ||
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| First item: | ||
| ```logsql | ||
| ... | split "?" from _msg as parts | extract '["<path>"' from parts | ||
| ``` | ||
| Second item: | ||
| ```logsql | ||
| ... | split "?" from _msg as parts | extract '["<_>","<request_id>"' from parts | ||
| ``` |
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This piece sounds strange and out of context. The example with split on ? is also complicated and adds unnecessary cognitive overhead for anyone want to understand extract pipe without the context from #978.
Better wording might be fine, but I'd prefer not to add a specialized example. Let's see what other contributors think
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Describe Your Changes
Fixes: #978
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