lukasz-antoniak commented on code in PR #1828:
URL:
https://github.com/apache/cassandra-gocql-driver/pull/1828#discussion_r2035056118
##########
helpers.go:
##########
@@ -162,54 +164,154 @@ func getCassandraBaseType(name string) Type {
}
}
-func getCassandraType(name string, logger StdLogger) TypeInfo {
+// Parses long Java-style type definition to internal data structures.
+func getCassandraLongType(name string, protoVer byte, logger StdLogger)
TypeInfo {
+ if strings.HasPrefix(name, SET_TYPE) {
+ return CollectionType{
+ NativeType: NewNativeType(protoVer, TypeSet),
+ Elem:
getCassandraLongType(strings.TrimPrefix(name[:len(name)-1], SET_TYPE+"("),
protoVer, logger),
+ }
+ } else if strings.HasPrefix(name, LIST_TYPE) {
+ return CollectionType{
+ NativeType: NewNativeType(protoVer, TypeList),
+ Elem:
getCassandraLongType(strings.TrimPrefix(name[:len(name)-1], LIST_TYPE+"("),
protoVer, logger),
+ }
+ } else if strings.HasPrefix(name, MAP_TYPE) {
+ names :=
splitJavaCompositeTypes(strings.TrimPrefix(name[:len(name)-1], MAP_TYPE+"("))
+ if len(names) != 2 {
+ logger.Printf("gocql: error parsing map type, it has %d
subelements, expecting 2\n", len(names))
+ return NewNativeType(protoVer, TypeCustom)
+ }
+ return CollectionType{
+ NativeType: NewNativeType(protoVer, TypeMap),
+ Key: getCassandraLongType(names[0], protoVer,
logger),
+ Elem: getCassandraLongType(names[1], protoVer,
logger),
+ }
+ } else if strings.HasPrefix(name, TUPLE_TYPE) {
+ names :=
splitJavaCompositeTypes(strings.TrimPrefix(name[:len(name)-1], TUPLE_TYPE+"("))
+ types := make([]TypeInfo, len(names))
+
+ for i, name := range names {
+ types[i] = getCassandraLongType(name, protoVer, logger)
+ }
+
+ return TupleTypeInfo{
+ NativeType: NewNativeType(protoVer, TypeTuple),
+ Elems: types,
+ }
+ } else if strings.HasPrefix(name, UDT_TYPE) {
+ names :=
splitJavaCompositeTypes(strings.TrimPrefix(name[:len(name)-1], UDT_TYPE+"("))
+ fields := make([]UDTField, len(names)-2)
+
+ for i := 2; i < len(names); i++ {
+ spec := strings.Split(names[i], ":")
+ fieldName, _ := hex.DecodeString(spec[0])
+ fields[i-2] = UDTField{
+ Name: string(fieldName),
+ Type: getCassandraLongType(spec[1], protoVer,
logger),
+ }
+ }
+
+ udtName, _ := hex.DecodeString(names[1])
+ return UDTTypeInfo{
+ NativeType: NewNativeType(protoVer, TypeUDT),
+ KeySpace: names[0],
+ Name: string(udtName),
+ Elements: fields,
+ }
+ } else if strings.HasPrefix(name, VECTOR_TYPE) {
+ names :=
splitJavaCompositeTypes(strings.TrimPrefix(name[:len(name)-1], VECTOR_TYPE+"("))
Review Comment:
Done.
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