milvus/internal/proxy/get_max_len.go
congqixia 73a181d226
Fix get vector it timeout and improve some string const usage (#24141)
Signed-off-by: Congqi Xia <congqi.xia@zilliz.com>
2023-05-16 17:41:22 +08:00

32 lines
1.1 KiB
Go

package proxy
import (
"fmt"
"strconv"
"github.com/milvus-io/milvus-proto/go-api/schemapb"
"github.com/milvus-io/milvus/pkg/common"
"github.com/milvus-io/milvus/pkg/util/merr"
"github.com/milvus-io/milvus/pkg/util/typeutil"
)
// GetMaxLength get max length of field. Maybe also helpful outside.
func GetMaxLength(field *schemapb.FieldSchema) (int64, error) {
if !typeutil.IsStringType(field.GetDataType()) {
msg := fmt.Sprintf("%s is not of string type", field.GetDataType())
return 0, merr.WrapErrParameterInvalid(schemapb.DataType_VarChar, field.GetDataType(), msg)
}
h := typeutil.NewKvPairs(append(field.GetIndexParams(), field.GetTypeParams()...))
maxLengthStr, err := h.Get(common.MaxLengthKey)
if err != nil {
msg := "max length not found"
return 0, merr.WrapErrParameterInvalid("max length key in type parameters", "not found", msg)
}
maxLength, err := strconv.Atoi(maxLengthStr)
if err != nil {
msg := fmt.Sprintf("invalid max length: %s", maxLengthStr)
return 0, merr.WrapErrParameterInvalid("value of max length should be of int", maxLengthStr, msg)
}
return int64(maxLength), nil
}