mirror of
https://github.com/seaweedfs/seaweedfs.git
synced 2024-12-25 10:17:55 +08:00
53 lines
1.9 KiB
Go
53 lines
1.9 KiB
Go
package schema
|
|
|
|
import (
|
|
"github.com/seaweedfs/seaweedfs/weed/pb/schema_pb"
|
|
"sort"
|
|
)
|
|
|
|
var (
|
|
TypeBoolean = &schema_pb.Type{Kind: &schema_pb.Type_ScalarType{schema_pb.ScalarType_BOOL}}
|
|
TypeInt32 = &schema_pb.Type{Kind: &schema_pb.Type_ScalarType{schema_pb.ScalarType_INT32}}
|
|
TypeInt64 = &schema_pb.Type{Kind: &schema_pb.Type_ScalarType{schema_pb.ScalarType_INT64}}
|
|
TypeFloat = &schema_pb.Type{Kind: &schema_pb.Type_ScalarType{schema_pb.ScalarType_FLOAT}}
|
|
TypeDouble = &schema_pb.Type{Kind: &schema_pb.Type_ScalarType{schema_pb.ScalarType_DOUBLE}}
|
|
TypeBytes = &schema_pb.Type{Kind: &schema_pb.Type_ScalarType{schema_pb.ScalarType_BYTES}}
|
|
TypeString = &schema_pb.Type{Kind: &schema_pb.Type_ScalarType{schema_pb.ScalarType_STRING}}
|
|
)
|
|
|
|
type RecordTypeBuilder struct {
|
|
recordType *schema_pb.RecordType
|
|
}
|
|
|
|
func RecordTypeBegin() *RecordTypeBuilder {
|
|
return &RecordTypeBuilder{recordType: &schema_pb.RecordType{}}
|
|
}
|
|
|
|
func (rtb *RecordTypeBuilder) RecordTypeEnd() *schema_pb.RecordType {
|
|
// be consistent with parquet.node.go `func (g Group) Fields() []Field`
|
|
sort.Slice(rtb.recordType.Fields, func(i, j int) bool {
|
|
return rtb.recordType.Fields[i].Name < rtb.recordType.Fields[j].Name
|
|
})
|
|
return rtb.recordType
|
|
}
|
|
|
|
func (rtb *RecordTypeBuilder) WithField(name string, scalarType *schema_pb.Type) *RecordTypeBuilder {
|
|
rtb.recordType.Fields = append(rtb.recordType.Fields, &schema_pb.Field{
|
|
Name: name,
|
|
Type: scalarType,
|
|
})
|
|
return rtb
|
|
}
|
|
|
|
func (rtb *RecordTypeBuilder) WithRecordField(name string, recordType *schema_pb.RecordType) *RecordTypeBuilder {
|
|
rtb.recordType.Fields = append(rtb.recordType.Fields, &schema_pb.Field{
|
|
Name: name,
|
|
Type: &schema_pb.Type{Kind: &schema_pb.Type_RecordType{RecordType: recordType}},
|
|
})
|
|
return rtb
|
|
}
|
|
|
|
func ListOf(elementType *schema_pb.Type) *schema_pb.Type {
|
|
return &schema_pb.Type{Kind: &schema_pb.Type_ListType{ListType: &schema_pb.ListType{ElementType: elementType}}}
|
|
}
|