Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

[Aggregate] Correctly handle ordering multiple fields; dont crash on nil #25

Merged
merged 1 commit into from
Feb 27, 2024
Merged

[Aggregate] Correctly handle ordering multiple fields; dont crash on nil #25

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
79 changes: 36 additions & 43 deletions internal/function_aggregate.go
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -80,21 +80,7 @@ func (f *ARRAY_AGG) Step(v Value, opt *AggregatorOption) error {
}

func (f *ARRAY_AGG) Done() (Value, error) {
if f.opt != nil && len(f.opt.OrderBy) != 0 {
for orderBy := 0; orderBy < len(f.opt.OrderBy); orderBy++ {
if f.opt.OrderBy[orderBy].IsAsc {
sort.Slice(f.values, func(i, j int) bool {
v, _ := f.values[i].OrderBy[orderBy].Value.LT(f.values[j].OrderBy[orderBy].Value)
return v
})
} else {
sort.Slice(f.values, func(i, j int) bool {
v, _ := f.values[i].OrderBy[orderBy].Value.GT(f.values[j].OrderBy[orderBy].Value)
return v
})
}
}
}
f.values = sortAggregatedValues(f.values, f.opt)
if f.opt != nil && f.opt.Limit != nil {
minLen := int64(len(f.values))
if *f.opt.Limit < minLen {
Expand Down Expand Up @@ -132,21 +118,7 @@ func (f *ARRAY_CONCAT_AGG) Step(v *ArrayValue, opt *AggregatorOption) error {
}

func (f *ARRAY_CONCAT_AGG) Done() (Value, error) {
if f.opt != nil && len(f.opt.OrderBy) != 0 {
for orderBy := 0; orderBy < len(f.opt.OrderBy); orderBy++ {
if f.opt.OrderBy[orderBy].IsAsc {
sort.Slice(f.values, func(i, j int) bool {
v, _ := f.values[i].OrderBy[orderBy].Value.LT(f.values[j].OrderBy[orderBy].Value)
return v
})
} else {
sort.Slice(f.values, func(i, j int) bool {
v, _ := f.values[i].OrderBy[orderBy].Value.GT(f.values[j].OrderBy[orderBy].Value)
return v
})
}
}
}
f.values = sortAggregatedValues(f.values, f.opt)
if f.opt != nil && f.opt.Limit != nil {
minLen := int64(len(f.values))
if *f.opt.Limit < minLen {
Expand Down Expand Up @@ -464,22 +436,43 @@ func (f *STRING_AGG) Step(v Value, delim string, opt *AggregatorOption) error {
return nil
}

func (f *STRING_AGG) Done() (Value, error) {
if f.opt != nil && len(f.opt.OrderBy) != 0 {
for orderBy := 0; orderBy < len(f.opt.OrderBy); orderBy++ {
if f.opt.OrderBy[orderBy].IsAsc {
sort.Slice(f.values, func(i, j int) bool {
v, _ := f.values[i].OrderBy[orderBy].Value.LT(f.values[j].OrderBy[orderBy].Value)
return v
})
func sortAggregatedValues(values []*OrderedValue, opt *AggregatorOption) []*OrderedValue {
if opt != nil && len(opt.OrderBy) == 0 {
return values
}

sort.Slice(values, func(i, j int) bool {
for orderBy := 0; orderBy < len(values[0].OrderBy); orderBy++ {
iV := values[i].OrderBy[orderBy].Value
jV := values[j].OrderBy[orderBy].Value
isAsc := values[0].OrderBy[orderBy].IsAsc
if iV == nil {
return isAsc
}
if jV == nil {
return !isAsc
}
isEqual, _ := iV.EQ(jV)
if isEqual {
// break tie with subsequent fields
continue
}
if isAsc {
cond, _ := iV.LT(jV)
return cond
} else {
sort.Slice(f.values, func(i, j int) bool {
v, _ := f.values[i].OrderBy[orderBy].Value.GT(f.values[j].OrderBy[orderBy].Value)
return v
})
cond, _ := iV.GT(jV)
return cond
}
}
}
return false
})
return values
}

func (f *STRING_AGG) Done() (Value, error) {
f.values = sortAggregatedValues(f.values, f.opt)

if f.opt != nil && f.opt.Limit != nil {
minLen := int64(len(f.values))
if *f.opt.Limit < minLen {
Expand Down
14 changes: 14 additions & 0 deletions query_test.go
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -619,6 +619,13 @@ FROM Items`,
query: `SELECT ARRAY_AGG(x) AS array_agg FROM UNNEST([NULL, 1, -2, 3, -2, 1, NULL]) AS x`,
expectedErr: "ARRAY_AGG: input value must be not null",
},
{
name: "array_agg with null in order by",
query: `WITH toks AS (SELECT '1' AS x, '1' as y UNION ALL SELECT '2', null) SELECT ARRAY_AGG(x ORDER BY y) FROM toks`,
expectedRows: [][]interface{}{{
[]interface{}{"2", "1"},
}},
},
{
name: "array_agg with struct",
query: `SELECT b, ARRAY_AGG(a) FROM UNNEST([STRUCT(1 AS a, 2 AS b), STRUCT(NULL AS a, 2 AS b)]) GROUP BY b`,
Expand Down Expand Up @@ -668,6 +675,13 @@ SELECT ARRAY_CONCAT_AGG(x) AS array_concat_agg FROM (
[]interface{}{nil, int64(1), int64(2), int64(3), int64(4), int64(5), int64(6), int64(7), int64(8), int64(9)},
}},
},
{
name: "array_concat_agg with null in order by",
query: `WITH toks AS (SELECT ['1'] AS x, '1' as y UNION ALL SELECT ['2', '3'], null) SELECT ARRAY_CONCAT_AGG(x ORDER BY y) FROM toks`,
expectedRows: [][]interface{}{{
[]interface{}{"3", "2", "1"},
}},
},
{
name: "array_concat_agg with format",
query: `SELECT FORMAT("%T", ARRAY_CONCAT_AGG(x)) AS array_concat_agg FROM (
Expand Down
Loading