Remove pgtype.Value interface

extended_query_builder.go

@@ -1,7 +1,6 @@
 package pgx
 
 import (
-	"database/sql/driver"
 	"fmt"
 	"reflect"
 
@@ -85,24 +84,7 @@ func (eqb *extendedQueryBuilder) encodeExtendedParamValue(ci *pgtype.ConnInfo, o
 	}
 
 	if dt, ok := ci.DataTypeForOID(oid); ok {
-		if dt.Value != nil {
-			value := dt.Value
-			err := value.Set(arg)
-			if err != nil {
-				{
-					if arg, ok := arg.(driver.Valuer); ok {
-						v, err := callValuerValue(arg)
-						if err != nil {
-							return nil, err
-						}
-						return eqb.encodeExtendedParamValue(ci, oid, formatCode, v)
-					}
-				}
-
-				return nil, err
-			}
-			return eqb.encodeExtendedParamValue(ci, oid, formatCode, value)
-		} else if dt.Codec != nil {
+		if dt.Codec != nil {
 			buf, err := ci.Encode(oid, formatCode, arg, eqb.paramValueBytes)
 			if err != nil {
 				return nil, err