dialect/sql/schema: support setting default value expressions on id fields (#3089)

dialect/sql/schema/atlas.go

@@ -11,6 +11,7 @@ import (
 	"errors"
 	"fmt"
 	"net/url"
+	"reflect"
 	"sort"
 	"strings"
 
@@ -1102,3 +1103,16 @@ func (a *Atlas) legacyMigrate() (*Migrate, error) {
 	}
 	return m, nil
 }
+
+// removeAttr is a temporary patch due to compiler errors we get by using the generic
+// schema.RemoveAttr function (<autogenerated>:1: internal compiler error: panic: ...).
+// Can be removed in Go 1.20. See: https://github.com/golang/go/issues/54302.
+func removeAttr(attrs []schema.Attr, t reflect.Type) []schema.Attr {
+	f := make([]schema.Attr, 0, len(attrs))
+	for _, a := range attrs {
+		if reflect.TypeOf(a) != t {
+			f = append(f, a)
+		}
+	}
+	return f
+}