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Improve Schema Engine's TablesWithSize80 query #17066

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Improve Schema Engine's TablesWithSize80 query #17066

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Commits on Oct 25, 2024

  1. Improve Schema engine's TablesWithSize80 query 

    This avoids the table scan on <temporary> stage from the query
execution in the middle here:
EXPLAIN: -> Filter: (`TABLE_NAME` like 'trb3%')  (actual time=1030..1030 rows=1 loops=1)
    -> Table scan on <temporary>  (actual time=1030..1030 rows=3005 loops=1)
        -> Aggregate using temporary table  (actual time=1030..1030 rows=3005 loops=1)
...

Signed-off-by: Matt Lord <[email protected]>
    @mattlord
    mattlord committed Oct 25, 2024
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  2. Use a longer timeout when waiting for vrep pos prior to locks 

    Signed-off-by: Matt Lord <[email protected]>
    @mattlord
    mattlord committed Oct 25, 2024
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  3. Correct query so that we're not matching table name prefixes 

    Signed-off-by: Matt Lord <[email protected]>
    @mattlord
    mattlord committed Oct 25, 2024
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  4. Make query exponentially faster 

    Signed-off-by: Matt Lord <[email protected]>
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    mattlord committed Oct 25, 2024
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  5. Minor change from self review 

    Signed-off-by: Matt Lord <[email protected]>
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    mattlord committed Oct 25, 2024
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  6. Be less aggressive in timeout extension 

    Signed-off-by: Matt Lord <[email protected]>
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    mattlord committed Oct 25, 2024
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  7. Use full partition name indicator (second p before the num) 

    Signed-off-by: Matt Lord <[email protected]>
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    mattlord committed Oct 25, 2024
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