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MDEV-26519: Improved histograms

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Save extra information in the histogram:

    "target_histogram_size": nnn,
    "collected_at": "(date and time)",
    "collected_by": "(server version)",
This commit is contained in:
Sergei Petrunia
2021-12-03 18:08:10 +03:00
parent a0916cf5a2
commit c2d2c1e727
8 changed files with 579 additions and 54 deletions
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mysql-test/include/json_hb_histogram.inc Normal file
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# The time on ANALYSE FORMAT=JSON is rather variable
--replace_regex /("(collected_at|collected_by)": )"[^"]*"/\1"REPLACED"/