Antoine Pitrou created ARROW-8453:
-------------------------------------
Summary: [Integration][Go] Recursive nested types unsupported
Key: ARROW-8453
URL: https://issues.apache.org/jira/browse/ARROW-8453
Project: Apache Arrow
Issue Type: Bug
Components: Go, Integration
Reporter: Antoine Pitrou
The Go JSON integration implementation doesn't support recursive nested types,
e.g. "list(list(int32))".
Here is an example traceback when Go is the consumer:
{code}
panic: runtime error: index out of range
goroutine 1 [running]:
github.com/apache/arrow/go/arrow/internal/arrjson.dtypeFromJSON(0xc00001687c,
0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ...)
/arrow/go/arrow/internal/arrjson/arrjson.go:238 +0x1710
github.com/apache/arrow/go/arrow/internal/arrjson.dtypeFromJSON(0xc000016858,
0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ...)
/arrow/go/arrow/internal/arrjson/arrjson.go:238 +0x838
github.com/apache/arrow/go/arrow/internal/arrjson.fieldFromJSON(0xc000016860,
0xb, 0xc000016858, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ...)
/arrow/go/arrow/internal/arrjson/arrjson.go:309 +0xb5
github.com/apache/arrow/go/arrow/internal/arrjson.fieldsFromJSON(0xc0000ca280,
0x4, 0x4, 0x0, 0x6f6d08, 0xc00000db60)
/arrow/go/arrow/internal/arrjson/arrjson.go:301 +0xfe
github.com/apache/arrow/go/arrow/internal/arrjson.schemaFromJSON(0xc0000ca280,
0x4, 0x4, 0xc00000db60)
/arrow/go/arrow/internal/arrjson/arrjson.go:274 +0x3f
github.com/apache/arrow/go/arrow/internal/arrjson.NewReader(0x5b4700,
0xc00000e028, 0x0, 0x0, 0x0, 0x0, 0x0, 0xd0)
/arrow/go/arrow/internal/arrjson/reader.go:56 +0x13d
main.validate(0x7ffbffffc819, 0x37, 0x7ffbffffc857, 0x26, 0x4acf01, 0x0, 0x0)
/arrow/go/arrow/ipc/cmd/arrow-json-integration-test/main.go:181 +0x1c8
main.runCommand(0x7ffbffffc857, 0x26, 0x7ffbffffc819, 0x37, 0x7ffbffffc884,
0x8, 0xc000016101, 0xc000086260, 0x40568f)
/arrow/go/arrow/ipc/cmd/arrow-json-integration-test/main.go:65 +0x228
main.main()
/arrow/go/arrow/ipc/cmd/arrow-json-integration-test/main.go:44 +0x24e
{code}
When Go is the producer:
{code}
panic: runtime error: index out of range
goroutine 1 [running]:
github.com/apache/arrow/go/arrow/internal/arrjson.dtypeFromJSON(0xc00001687c,
0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ...)
/arrow/go/arrow/internal/arrjson/arrjson.go:238 +0x1710
github.com/apache/arrow/go/arrow/internal/arrjson.dtypeFromJSON(0xc00001686c,
0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ...)
/arrow/go/arrow/internal/arrjson/arrjson.go:238 +0x838
github.com/apache/arrow/go/arrow/internal/arrjson.fieldFromJSON(0xc000016860,
0xb, 0xc00001686c, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ...)
/arrow/go/arrow/internal/arrjson/arrjson.go:309 +0xb5
github.com/apache/arrow/go/arrow/internal/arrjson.fieldsFromJSON(0xc0000ca280,
0x4, 0x4, 0x0, 0x6f6d08, 0xc00000db60)
/arrow/go/arrow/internal/arrjson/arrjson.go:301 +0xfe
github.com/apache/arrow/go/arrow/internal/arrjson.schemaFromJSON(0xc0000ca280,
0x4, 0x4, 0xc00000db60)
/arrow/go/arrow/internal/arrjson/arrjson.go:274 +0x3f
github.com/apache/arrow/go/arrow/internal/arrjson.NewReader(0x5b4700,
0xc00000e028, 0x0, 0x0, 0x0, 0x0, 0x0, 0xcc37a1760fc5b719)
/arrow/go/arrow/internal/arrjson/reader.go:56 +0x13d
main.cnvToARROW(0x7ffbffffc814, 0x37, 0x7ffbffffc852, 0x26, 0x4acf01, 0x0, 0x0)
/arrow/go/arrow/ipc/cmd/arrow-json-integration-test/main.go:137 +0x319
main.runCommand(0x7ffbffffc852, 0x26, 0x7ffbffffc814, 0x37, 0x7ffbffffc87f,
0xd, 0xc000016101, 0xc000086260, 0x40568f)
/arrow/go/arrow/ipc/cmd/arrow-json-integration-test/main.go:63 +0x172
main.main()
/arrow/go/arrow/ipc/cmd/arrow-json-integration-test/main.go:44 +0x24e
{code}
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