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MDEV-38273: Optimizer trace should have selectivities collected via s…#4626

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spetrunia wants to merge 1 commit into12.2from
12.2-MDEV-38273
Open

MDEV-38273: Optimizer trace should have selectivities collected via s…#4626
spetrunia wants to merge 1 commit into12.2from
12.2-MDEV-38273

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…ampling

Add to optimizer trace:
"sampled_selectivity": [
{ "cond":"condition", "selectivity": n.nnnn }
...
]

…ampling

Add to optimizer trace:
 "sampled_selectivity": [
    { "cond":"condition", "selectivity": n.nnnn }
    ...
  ]
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