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S3 Select: Detect full object (#8456)

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Check if select is `SELECT s.* from S3Object s` and forward it to All

Fixes #8371 and makes this case run significantly faster.
This commit is contained in:
Klaus Post
2019-10-30 09:16:55 +01:00
committed by Nitish Tiwari
parent 47b13cdb80
commit 38e6d911ea
2 changed files with 25 additions and 0 deletions
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10
pkg/s3select/select_test.go
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@@ -165,6 +165,16 @@ func TestJSONQueries(t *testing.T) {
query: `SELECT * from s3object s WHERE (7,8.5,9) = s.nested[1]`,
wantResult: `{"id":3,"title":"Second Record","desc":"another text","nested":[[2,3,4],[7,8.5,9]]}`,
},
{
name: "indexed-list-match-equals-s-star",
query: `SELECT s.* from s3object s WHERE (7,8.5,9) = s.nested[1]`,
wantResult: `{"id":3,"title":"Second Record","desc":"another text","nested":[[2,3,4],[7,8.5,9]]}`,
},
{
name: "indexed-list-match-equals-s-index",
query: `SELECT s.nested[1], s.nested[0] from s3object s WHERE (7,8.5,9) = s.nested[1]`,
wantResult: `{"_1":[7,8.5,9],"_2":[2,3,4]}`,
},
{
name: "indexed-list-match-not-equals",
query: `SELECT * from s3object s WHERE (7,8.5,9) != s.nested[1]`,