| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| namespace Apache.Ignite.Linq.Impl |
| { |
| using System; |
| using System.Collections.Generic; |
| |
| /// <summary> |
| /// SQL type mapping. |
| /// </summary> |
| internal static class SqlTypes |
| { |
| /** */ |
| private static readonly Dictionary<Type, string> NetToSql = new Dictionary<Type, string> |
| { |
| {typeof (bool), "boolean"}, |
| {typeof (byte), "smallint"}, |
| {typeof (sbyte), "tinyint"}, |
| {typeof (short), "smallint"}, |
| {typeof (ushort), "int"}, |
| {typeof (int), "int"}, |
| {typeof (uint), "bigint"}, |
| {typeof (long), "bigint"}, |
| {typeof (ulong), "bigint"}, |
| {typeof (float), "real"}, |
| {typeof (double), "double"}, |
| {typeof (string), "nvarchar"}, |
| {typeof (decimal), "decimal"}, |
| {typeof (Guid), "uuid"}, |
| {typeof (DateTime), "timestamp"}, |
| }; |
| |
| /** */ |
| private static readonly HashSet<Type> NotSupportedTypes = new HashSet<Type>(new [] |
| { |
| typeof(char) |
| }); |
| |
| /// <summary> |
| /// Gets the corresponding Java type name. |
| /// </summary> |
| public static string GetSqlTypeName(Type type) |
| { |
| if (type == null) |
| return null; |
| |
| type = Nullable.GetUnderlyingType(type) ?? type; |
| |
| if (NotSupportedTypes.Contains(type)) |
| { |
| throw new NotSupportedException("Type is not supported for SQL mapping: " + type); |
| } |
| |
| string res; |
| |
| return NetToSql.TryGetValue(type, out res) ? res : null; |
| } |
| } |
| } |