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select: add MISSING operator support (#14406)

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Probably not full support, but for regular checks it should work.

Fixes #14358
This commit is contained in:
Klaus Post
2022-02-25 12:31:19 -08:00
committed by GitHub
parent e43cc316ff
commit 88fd1cba71
8 changed files with 153 additions and 29 deletions
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46
internal/s3select/sql/jsonpath_test.go
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@@ -66,32 +66,34 @@ func TestJsonpathEval(t *testing.T) {
{"s.authorInfo.yearRange", []interface{}{[]interface{}{1890.0, 1976.0}, []interface{}{1920.0, 1992.0}, []interface{}{1881.0, 1975.0}}},
{"s.authorInfo.name", []interface{}{"Agatha Christie", "Isaac Asimov", "P. G. Wodehouse"}},
{"s.authorInfo.yearRange[0]", []interface{}{1890.0, 1920.0, 1881.0}},
{"s.publicationHistory[0].pages", []interface{}{256.0, 336.0, nil}},
{"s.publicationHistory[0].pages", []interface{}{256.0, 336.0, Missing{}}},
}
for i, tc := range cases {
jp := JSONPath{}
err := p.ParseString(tc.str, &jp)
// fmt.Println(jp)
if err != nil {
t.Fatalf("parse failed!: %d %v %s", i, err, tc)
}
// Read only the first json object from the file
recs, err := getJSONStructs(b)
if err != nil || len(recs) != 3 {
t.Fatalf("%v or length was not 3", err)
}
for j, rec := range recs {
// fmt.Println(rec)
r, _, err := jsonpathEval(jp.PathExpr, rec)
t.Run(tc.str, func(t *testing.T) {
jp := JSONPath{}
err := p.ParseString(tc.str, &jp)
// fmt.Println(jp)
if err != nil {
t.Errorf("Error: %d %d %v", i, j, err)
t.Fatalf("parse failed!: %d %v %s", i, err, tc)
}
if !reflect.DeepEqual(r, tc.res[j]) {
fmt.Printf("%#v (%v) != %v (%v)\n", r, reflect.TypeOf(r), tc.res[j], reflect.TypeOf(tc.res[j]))
t.Errorf("case: %d %d failed", i, j)
// Read only the first json object from the file
recs, err := getJSONStructs(b)
if err != nil || len(recs) != 3 {
t.Fatalf("%v or length was not 3", err)
}
}
for j, rec := range recs {
// fmt.Println(rec)
r, _, err := jsonpathEval(jp.PathExpr, rec)
if err != nil {
t.Errorf("Error: %d %d %v", i, j, err)
}
if !reflect.DeepEqual(r, tc.res[j]) {
fmt.Printf("%#v (%v) != %v (%v)\n", r, reflect.TypeOf(r), tc.res[j], reflect.TypeOf(tc.res[j]))
t.Errorf("case: %d %d failed", i, j)
}
}
})
}
}