mirror of
https://github.com/seaweedfs/seaweedfs.git
synced 2024-12-24 01:17:56 +08:00
83 lines
3.0 KiB
Go
83 lines
3.0 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_BOOLEAN}}
|
|
TypeInteger = &schema_pb.Type{Kind: &schema_pb.Type_ScalarType{schema_pb.ScalarType_INTEGER}}
|
|
TypeLong = &schema_pb.Type{Kind: &schema_pb.Type_ScalarType{schema_pb.ScalarType_LONG}}
|
|
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 NewRecordTypeBuilder() *RecordTypeBuilder {
|
|
return &RecordTypeBuilder{recordType: &schema_pb.RecordType{}}
|
|
}
|
|
|
|
func (rtb *RecordTypeBuilder) Build() *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) SetField(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) SetBoolField(name string) *RecordTypeBuilder {
|
|
return rtb.SetField(name, TypeBoolean)
|
|
}
|
|
func (rtb *RecordTypeBuilder) SetIntegerField(name string) *RecordTypeBuilder {
|
|
return rtb.SetField(name, TypeInteger)
|
|
}
|
|
func (rtb *RecordTypeBuilder) SetLongField(name string) *RecordTypeBuilder {
|
|
return rtb.SetField(name, TypeLong)
|
|
}
|
|
func (rtb *RecordTypeBuilder) SetFloatField(name string) *RecordTypeBuilder {
|
|
return rtb.SetField(name, TypeFloat)
|
|
}
|
|
func (rtb *RecordTypeBuilder) SetDoubleField(name string) *RecordTypeBuilder {
|
|
return rtb.SetField(name, TypeDouble)
|
|
}
|
|
func (rtb *RecordTypeBuilder) SetBytesField(name string) *RecordTypeBuilder {
|
|
return rtb.SetField(name, TypeBytes)
|
|
}
|
|
func (rtb *RecordTypeBuilder) SetStringField(name string) *RecordTypeBuilder {
|
|
return rtb.SetField(name, TypeString)
|
|
}
|
|
|
|
func (rtb *RecordTypeBuilder) SetRecordField(name string, recordTypeBuilder *RecordTypeBuilder) *RecordTypeBuilder {
|
|
rtb.recordType.Fields = append(rtb.recordType.Fields, &schema_pb.Field{
|
|
Name: name,
|
|
Type: &schema_pb.Type{Kind: &schema_pb.Type_RecordType{RecordType: recordTypeBuilder.Build()}},
|
|
})
|
|
return rtb
|
|
}
|
|
|
|
func (rtb *RecordTypeBuilder) SetListField(name string, elementType *schema_pb.Type) *RecordTypeBuilder {
|
|
rtb.recordType.Fields = append(rtb.recordType.Fields, &schema_pb.Field{
|
|
Name: name,
|
|
Type: &schema_pb.Type{Kind: &schema_pb.Type_ListType{ListType: &schema_pb.ListType{ElementType: elementType}}},
|
|
})
|
|
return rtb
|
|
}
|
|
|
|
func List(elementType *schema_pb.Type) *schema_pb.Type {
|
|
return &schema_pb.Type{Kind: &schema_pb.Type_ListType{ListType: &schema_pb.ListType{ElementType: elementType}}}
|
|
}
|