{
			Name:   "idx_user_indices_name",
			Fields: []schema.IndexOption{{Field: &schema.Field{Name: "Name"}}},
		},
		{
			Name:   "idx_name",
			Class:  "UNIQUE",
			Fields: []schema.IndexOption{{Field: &schema.Field{Name: "Name2", UniqueIndex: "idx_name"}}},
		},
		{
			Name:  "idx_user_indices_name3",
			Type:  "btree",
			Where: "name3 != 'jinzhu'",
			Fields: []schema.IndexOption{{

	DB.Migrator().DropTable(&UserWithUniqueIndex{})
	if err := DB.AutoMigrate(&UserWithUniqueIndex{}); err != nil {
		t.Fatalf("failed to migrate, got %v", err)
	}

	if !DB.Migrator().HasIndex(&UserWithUniqueIndex{}, "idx_name") {
		t.Errorf("Failed to find created index")
	}

	if !DB.Migrator().HasIndex(&UserWithUniqueIndex{}, "idx_user_with_unique_indices_u_name") {
		t.Errorf("Failed to find created index")
	}

	ns := NamingStrategy{
		TablePrefix:   "public.",
		SingularTable: true,
		NameReplacer:  strings.NewReplacer("CID", "Cid"),
	}
	idxName := ns.IndexName("public.table", "name")

	if idxName != "idx_public_table_name" {
		t.Errorf("invalid index name generated, got %v", idxName)
	}

	chkName := ns.CheckerName("public.table", "name")
	if chkName != "chk_public_table_name" {

package utils

import (
	"database/sql"
	"database/sql/driver"
	"errors"
	"math"
	"strings"
	"testing"
	"time"
)

func TestIsValidDBNameChar(t *testing.T) {
	for _, db := range []string{"db", "dbName", "db_name", "db1", "1dbname", "db$name"} {
		if fields := strings.FieldsFunc(db, IsValidDBNameChar); len(fields) != 1 {
			t.Fatalf("failed to parse db name %v", db)
		}
	}
}

func TestCheckTruth(t *testing.T) {

        void testFileNotifyChangeName() {
            assertEquals(0x00000003, FileNotifyInformation.FILE_NOTIFY_CHANGE_NAME);
            // Verify it's a combination of FILE_NAME and DIR_NAME
            assertEquals(FileNotifyInformation.FILE_NOTIFY_CHANGE_FILE_NAME | FileNotifyInformation.FILE_NOTIFY_CHANGE_DIR_NAME,
                    FileNotifyInformation.FILE_NOTIFY_CHANGE_NAME);
        }

        @Test

			if idx := stmt.Schema.LookIndex(name); idx != nil {
				name = idx.Name
			}
		}

		return m.DB.Raw(
			"SELECT count(*) FROM information_schema.statistics WHERE table_schema = ? AND table_name = ? AND index_name = ?",
			currentDatabase, stmt.Table, name,
		).Row().Scan(&count)
	})

	return count > 0
}

// RenameIndex rename index from oldName to newName

  - *apiserver_cache_list_total*: Counter of LIST requests served from watch cache, broken down by resource_prefix and index_name
  - *apiserver_cache_list_fetched_objects_total*: Counter of objects read from watch cache in the course of serving a LIST request, broken down by resource_prefix and index_name