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[memo] hash join right-side cardinality can be filtered #2899

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Merged
merged 2 commits into from
Mar 20, 2025
Merged

[memo] hash join right-side cardinality can be filtered #2899

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[memo] hash join right-side cardinality can be filtered
max-hoffman Mar 19, 2025
59fec64
jason's comments
max-hoffman Mar 19, 2025
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6 changes: 1 addition & 5 deletions enginetest/join_stats_tests.go
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Original file line number Diff line number Diff line change
Expand Up @@ -135,12 +135,8 @@ var JoinStatTests = []struct {
{
// b is smallest table, bxc is smallest b-connected join
// due to b < 0 filter and positive c skew
q: "select /*+ LEFT_DEEP */ count(*) from u0 b join `u-15` a on a.b = b.b join `u+15` c on a.b = c.b where b.b < -2",
order: [][]string{{"b", "c", "a"}},
},
{
q: "select /*+ LEFT_DEEP */ count(*) from u0 b join `u-15` a on a.b = b.b join `u+15` c on a.b = c.b where b.b < -2",
order: [][]string{{"b", "c", "a"}},
order: [][]string{{"b", "c", "a"}, {"a", "c", "b"}},
},
{
// b is smallest table, bxa is smallest b-connected join
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