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divide offset into higher and lower sections

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This commit is contained in:
Chris Lu
2019-04-08 21:44:06 -07:00
parent 000ee725fc
commit 7a4b234ea1
3 changed files with 139 additions and 104 deletions
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48
weed/storage/needle/compact_map_test.go
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@@ -98,60 +98,60 @@ func TestCompactMap(t *testing.T) {
}
func TestOverflow(t *testing.T) {
o := Overflow(make([]SectionalNeedleValue, 0))
cs := NewCompactSection(1)
o = o.setOverflowEntry(SectionalNeedleValue{Key: 1, Offset: ToOffset(12), Size: 12})
o = o.setOverflowEntry(SectionalNeedleValue{Key: 2, Offset: ToOffset(12), Size: 12})
o = o.setOverflowEntry(SectionalNeedleValue{Key: 3, Offset: ToOffset(12), Size: 12})
o = o.setOverflowEntry(SectionalNeedleValue{Key: 4, Offset: ToOffset(12), Size: 12})
o = o.setOverflowEntry(SectionalNeedleValue{Key: 5, Offset: ToOffset(12), Size: 12})
cs.setOverflowEntry(1, ToOffset(12), 12)
cs.setOverflowEntry(2, ToOffset(12), 12)
cs.setOverflowEntry(3, ToOffset(12), 12)
cs.setOverflowEntry(4, ToOffset(12), 12)
cs.setOverflowEntry(5, ToOffset(12), 12)
if o[2].Key != 3 {
t.Fatalf("expecting o[2] has key 3: %+v", o[2].Key)
if cs.overflow[2].Key != 3 {
t.Fatalf("expecting o[2] has key 3: %+v", cs.overflow[2].Key)
}
o = o.setOverflowEntry(SectionalNeedleValue{Key: 3, Offset: ToOffset(24), Size: 24})
cs.setOverflowEntry(3, ToOffset(24), 24)
if o[2].Key != 3 {
t.Fatalf("expecting o[2] has key 3: %+v", o[2].Key)
if cs.overflow[2].Key != 3 {
t.Fatalf("expecting o[2] has key 3: %+v", cs.overflow[2].Key)
}
if o[2].Size != 24 {
t.Fatalf("expecting o[2] has size 24: %+v", o[2].Size)
if cs.overflow[2].Size != 24 {
t.Fatalf("expecting o[2] has size 24: %+v", cs.overflow[2].Size)
}
o = o.deleteOverflowEntry(4)
cs.deleteOverflowEntry(4)
if len(o) != 4 {
t.Fatalf("expecting 4 entries now: %+v", o)
if len(cs.overflow) != 4 {
t.Fatalf("expecting 4 entries now: %+v", cs.overflow)
}
x, _ := o.findOverflowEntry(5)
_, x, _ := cs.findOverflowEntry(5)
if x.Key != 5 {
t.Fatalf("expecting entry 5 now: %+v", x)
}
for i, x := range o {
for i, x := range cs.overflow {
println("overflow[", i, "]:", x.Key)
}
println()
o = o.deleteOverflowEntry(1)
cs.deleteOverflowEntry(1)
for i, x := range o {
for i, x := range cs.overflow {
println("overflow[", i, "]:", x.Key)
}
println()
o = o.setOverflowEntry(SectionalNeedleValue{Key: 4, Offset: ToOffset(44), Size: 44})
for i, x := range o {
cs.setOverflowEntry(4, ToOffset(44), 44)
for i, x := range cs.overflow {
println("overflow[", i, "]:", x.Key)
}
println()
o = o.setOverflowEntry(SectionalNeedleValue{Key: 1, Offset: ToOffset(11), Size: 11})
cs.setOverflowEntry(1, ToOffset(11), 11)
for i, x := range o {
for i, x := range cs.overflow {
println("overflow[", i, "]:", x.Key)
}
println()