milvus/internal/util/indexparamcheck/bitmap_index_checker.go

40 lines
1.2 KiB
Go

package indexparamcheck
import (
"fmt"
"github.com/milvus-io/milvus-proto/go-api/v2/schemapb"
"github.com/milvus-io/milvus/pkg/v2/util/typeutil"
)
type BITMAPChecker struct {
scalarIndexChecker
}
func (c *BITMAPChecker) CheckTrain(dataType schemapb.DataType, params map[string]string) error {
return c.scalarIndexChecker.CheckTrain(dataType, params)
}
func (c *BITMAPChecker) CheckValidDataType(indexType IndexType, field *schemapb.FieldSchema) error {
if field.IsPrimaryKey {
return fmt.Errorf("create bitmap index on primary key not supported")
}
mainType := field.GetDataType()
elemType := field.GetElementType()
if !typeutil.IsBoolType(mainType) && !typeutil.IsIntegerType(mainType) &&
!typeutil.IsStringType(mainType) && !typeutil.IsArrayType(mainType) {
return fmt.Errorf("bitmap index are only supported on bool, int, string and array field")
}
if typeutil.IsArrayType(mainType) {
if !typeutil.IsBoolType(elemType) && !typeutil.IsIntegerType(elemType) &&
!typeutil.IsStringType(elemType) {
return fmt.Errorf("bitmap index are only supported on bool, int, string for array field")
}
}
return nil
}
func newBITMAPChecker() *BITMAPChecker {
return &BITMAPChecker{}
}