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439
Providers/FreeSql.Provider.SqlServer/SqlServerExtensions.cs
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439
Providers/FreeSql.Provider.SqlServer/SqlServerExtensions.cs
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using FreeSql;
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using FreeSql.Internal.Model;
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using System;
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using System.Collections.Concurrent;
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using System.Collections.Generic;
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using System.Threading;
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using FreeSql.Internal.CommonProvider;
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using System.Linq;
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using System.Text;
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using System.Data.Common;
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using FreeSql.Internal.ObjectPool;
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#if microsoft
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using Microsoft.Data.SqlClient;
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#else
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using System.Data.SqlClient;
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#endif
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using System.Threading.Tasks;
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public static partial class FreeSqlSqlServerGlobalExtensions
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{
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/// <summary>
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/// 特殊处理类似 string.Format 的使用方法，防止注入，以及 IS NULL 转换
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/// </summary>
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/// <param name="that"></param>
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/// <param name="args"></param>
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/// <returns></returns>
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public static string FormatSqlServer(this string that, params object[] args) => _sqlserverAdo.Addslashes(that, args);
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static FreeSql.SqlServer.SqlServerAdo _sqlserverAdo = new FreeSql.SqlServer.SqlServerAdo();
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/// <summary>
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/// SqlServer with(nolock) 查询
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/// </summary>
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/// <typeparam name="T"></typeparam>
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/// <param name="that"></param>
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/// <param name="lockType"></param>
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/// <param name="rule">多表查询时的锁规则</param>
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/// <returns></returns>
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public static ISelect<T> WithLock<T>(this ISelect<T> that, SqlServerLock lockType = SqlServerLock.NoLock, Dictionary<Type, bool> rule = null) => LocalWithLock(that, lockType, rule);
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public static ISelect<T1, T2> WithLock<T1, T2>(this ISelect<T1, T2> that, SqlServerLock lockType = SqlServerLock.NoLock, Dictionary<Type, bool> rule = null) where T1 : class where T2 : class => LocalWithLock(that, lockType, rule);
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public static ISelect<T1, T2, T3> WithLock<T1, T2, T3>(this ISelect<T1, T2, T3> that, SqlServerLock lockType = SqlServerLock.NoLock, Dictionary<Type, bool> rule = null) where T1 : class where T2 : class where T3 : class => LocalWithLock(that, lockType, rule);
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public static ISelect<T1, T2, T3, T4> WithLock<T1, T2, T3, T4>(this ISelect<T1, T2, T3, T4> that, SqlServerLock lockType = SqlServerLock.NoLock, Dictionary<Type, bool> rule = null) where T1 : class where T2 : class where T3 : class where T4 : class => LocalWithLock(that, lockType, rule);
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public static ISelect<T1, T2, T3, T4, T5> WithLock<T1, T2, T3, T4, T5>(this ISelect<T1, T2, T3, T4, T5> that, SqlServerLock lockType = SqlServerLock.NoLock, Dictionary<Type, bool> rule = null) where T1 : class where T2 : class where T3 : class where T4 : class where T5 : class => LocalWithLock(that, lockType, rule);
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public static ISelect<T1, T2, T3, T4, T5, T6> WithLock<T1, T2, T3, T4, T5, T6>(this ISelect<T1, T2, T3, T4, T5, T6> that, SqlServerLock lockType = SqlServerLock.NoLock, Dictionary<Type, bool> rule = null) where T1 : class where T2 : class where T3 : class where T4 : class where T5 : class where T6 : class => LocalWithLock(that, lockType, rule);
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public static ISelect<T1, T2, T3, T4, T5, T6, T7> WithLock<T1, T2, T3, T4, T5, T6, T7>(this ISelect<T1, T2, T3, T4, T5, T6, T7> that, SqlServerLock lockType = SqlServerLock.NoLock, Dictionary<Type, bool> rule = null) where T1 : class where T2 : class where T3 : class where T4 : class where T5 : class where T6 : class where T7 : class => LocalWithLock(that, lockType, rule);
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public static ISelect<T1, T2, T3, T4, T5, T6, T7, T8> WithLock<T1, T2, T3, T4, T5, T6, T7, T8>(this ISelect<T1, T2, T3, T4, T5, T6, T7, T8> that, SqlServerLock lockType = SqlServerLock.NoLock, Dictionary<Type, bool> rule = null) where T1 : class where T2 : class where T3 : class where T4 : class where T5 : class where T6 : class where T7 : class where T8 : class => LocalWithLock(that, lockType, rule);
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public static ISelect<T1, T2, T3, T4, T5, T6, T7, T8, T9> WithLock<T1, T2, T3, T4, T5, T6, T7, T8, T9>(this ISelect<T1, T2, T3, T4, T5, T6, T7, T8, T9> that, SqlServerLock lockType = SqlServerLock.NoLock, Dictionary<Type, bool> rule = null) where T1 : class where T2 : class where T3 : class where T4 : class where T5 : class where T6 : class where T7 : class where T8 : class where T9 : class => LocalWithLock(that, lockType, rule);
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public static ISelect<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10> WithLock<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10>(this ISelect<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10> that, SqlServerLock lockType = SqlServerLock.NoLock, Dictionary<Type, bool> rule = null) where T1 : class where T2 : class where T3 : class where T4 : class where T5 : class where T6 : class where T7 : class where T8 : class where T9 : class where T10 : class => LocalWithLock(that, lockType, rule);
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public static ISelect<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11> WithLock<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11>(this ISelect<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11> that, SqlServerLock lockType = SqlServerLock.NoLock, Dictionary<Type, bool> rule = null) where T1 : class where T2 : class where T3 : class where T4 : class where T5 : class where T6 : class where T7 : class where T8 : class where T9 : class where T10 : class where T11 : class => LocalWithLock(that, lockType, rule);
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public static ISelect<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12> WithLock<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12>(this ISelect<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12> that, SqlServerLock lockType = SqlServerLock.NoLock, Dictionary<Type, bool> rule = null) where T1 : class where T2 : class where T3 : class where T4 : class where T5 : class where T6 : class where T7 : class where T8 : class where T9 : class where T10 : class where T11 : class where T12 : class => LocalWithLock(that, lockType, rule);
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public static ISelect<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13> WithLock<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13>(this ISelect<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13> that, SqlServerLock lockType = SqlServerLock.NoLock, Dictionary<Type, bool> rule = null) where T1 : class where T2 : class where T3 : class where T4 : class where T5 : class where T6 : class where T7 : class where T8 : class where T9 : class where T10 : class where T11 : class where T12 : class where T13 : class => LocalWithLock(that, lockType, rule);
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public static ISelect<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14> WithLock<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14>(this ISelect<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14> that, SqlServerLock lockType = SqlServerLock.NoLock, Dictionary<Type, bool> rule = null) where T1 : class where T2 : class where T3 : class where T4 : class where T5 : class where T6 : class where T7 : class where T8 : class where T9 : class where T10 : class where T11 : class where T12 : class where T13 : class where T14 : class => LocalWithLock(that, lockType, rule);
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public static ISelect<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15> WithLock<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15>(this ISelect<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15> that, SqlServerLock lockType = SqlServerLock.NoLock, Dictionary<Type, bool> rule = null) where T1 : class where T2 : class where T3 : class where T4 : class where T5 : class where T6 : class where T7 : class where T8 : class where T9 : class where T10 : class where T11 : class where T12 : class where T13 : class where T14 : class where T15 : class => LocalWithLock(that, lockType, rule);
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public static ISelect<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16> WithLock<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16>(this ISelect<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16> that, SqlServerLock lockType = SqlServerLock.NoLock, Dictionary<Type, bool> rule = null) where T1 : class where T2 : class where T3 : class where T4 : class where T5 : class where T6 : class where T7 : class where T8 : class where T9 : class where T10 : class where T11 : class where T12 : class where T13 : class where T14 : class where T15 : class where T16 : class => LocalWithLock(that, lockType, rule);
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static TReturn LocalWithLock<TReturn>(TReturn query, SqlServerLock lockType, Dictionary<Type, bool> rule)
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{
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var selectProvider = query as Select0Provider;
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switch (selectProvider._orm.Ado.DataType)
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{
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case DataType.SqlServer:
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case DataType.OdbcSqlServer:
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case DataType.CustomSqlServer:
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break;
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default:
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return query;
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}
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var oldalias = selectProvider._aliasRule;
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selectProvider._aliasRule = (type, old) =>
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{
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if (oldalias != null) old = oldalias(type, old);
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if (rule == null) return LocalAppendWithString(old, lockType.ToString());
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return rule.TryGetValue(type, out var trybool) && trybool ? LocalAppendWithString(old, lockType.ToString()) : old;
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};
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return query;
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}
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/// <summary>
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/// SqkServer with(index) 强制索引
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/// </summary>
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/// <typeparam name="T"></typeparam>
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/// <param name="that"></param>
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/// <param name="rule"></param>
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/// <returns></returns>
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public static ISelect<T> WithIndex<T>(this ISelect<T> that, string indexName, Dictionary<Type, string> rule = null) => LocalWithIndex(that, indexName, rule);
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public static ISelect<T1, T2> WithIndex<T1, T2>(this ISelect<T1, T2> that, string indexName, Dictionary<Type, string> rule = null) where T1 : class where T2 : class => LocalWithIndex(that, indexName, rule);
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public static ISelect<T1, T2, T3> WithIndex<T1, T2, T3>(this ISelect<T1, T2, T3> that, string indexName, Dictionary<Type, string> rule = null) where T1 : class where T2 : class where T3 : class => LocalWithIndex(that, indexName, rule);
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public static ISelect<T1, T2, T3, T4> WithIndex<T1, T2, T3, T4>(this ISelect<T1, T2, T3, T4> that, string indexName, Dictionary<Type, string> rule = null) where T1 : class where T2 : class where T3 : class where T4 : class => LocalWithIndex(that, indexName, rule);
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public static ISelect<T1, T2, T3, T4, T5> WithIndex<T1, T2, T3, T4, T5>(this ISelect<T1, T2, T3, T4, T5> that, string indexName, Dictionary<Type, string> rule = null) where T1 : class where T2 : class where T3 : class where T4 : class where T5 : class => LocalWithIndex(that, indexName, rule);
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public static ISelect<T1, T2, T3, T4, T5, T6> WithIndex<T1, T2, T3, T4, T5, T6>(this ISelect<T1, T2, T3, T4, T5, T6> that, string indexName, Dictionary<Type, string> rule = null) where T1 : class where T2 : class where T3 : class where T4 : class where T5 : class where T6 : class => LocalWithIndex(that, indexName, rule);
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public static ISelect<T1, T2, T3, T4, T5, T6, T7> WithIndex<T1, T2, T3, T4, T5, T6, T7>(this ISelect<T1, T2, T3, T4, T5, T6, T7> that, string indexName, Dictionary<Type, string> rule = null) where T1 : class where T2 : class where T3 : class where T4 : class where T5 : class where T6 : class where T7 : class => LocalWithIndex(that, indexName, rule);
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public static ISelect<T1, T2, T3, T4, T5, T6, T7, T8> WithIndex<T1, T2, T3, T4, T5, T6, T7, T8>(this ISelect<T1, T2, T3, T4, T5, T6, T7, T8> that, string indexName, Dictionary<Type, string> rule = null) where T1 : class where T2 : class where T3 : class where T4 : class where T5 : class where T6 : class where T7 : class where T8 : class => LocalWithIndex(that, indexName, rule);
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public static ISelect<T1, T2, T3, T4, T5, T6, T7, T8, T9> WithIndex<T1, T2, T3, T4, T5, T6, T7, T8, T9>(this ISelect<T1, T2, T3, T4, T5, T6, T7, T8, T9> that, string indexName, Dictionary<Type, string> rule = null) where T1 : class where T2 : class where T3 : class where T4 : class where T5 : class where T6 : class where T7 : class where T8 : class where T9 : class => LocalWithIndex(that, indexName, rule);
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public static ISelect<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10> WithIndex<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10>(this ISelect<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10> that, string indexName, Dictionary<Type, string> rule = null) where T1 : class where T2 : class where T3 : class where T4 : class where T5 : class where T6 : class where T7 : class where T8 : class where T9 : class where T10 : class => LocalWithIndex(that, indexName, rule);
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public static ISelect<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11> WithIndex<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11>(this ISelect<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11> that, string indexName, Dictionary<Type, string> rule = null) where T1 : class where T2 : class where T3 : class where T4 : class where T5 : class where T6 : class where T7 : class where T8 : class where T9 : class where T10 : class where T11 : class => LocalWithIndex(that, indexName, rule);
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public static ISelect<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12> WithIndex<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12>(this ISelect<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12> that, string indexName, Dictionary<Type, string> rule = null) where T1 : class where T2 : class where T3 : class where T4 : class where T5 : class where T6 : class where T7 : class where T8 : class where T9 : class where T10 : class where T11 : class where T12 : class => LocalWithIndex(that, indexName, rule);
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public static ISelect<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13> WithIndex<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13>(this ISelect<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13> that, string indexName, Dictionary<Type, string> rule = null) where T1 : class where T2 : class where T3 : class where T4 : class where T5 : class where T6 : class where T7 : class where T8 : class where T9 : class where T10 : class where T11 : class where T12 : class where T13 : class => LocalWithIndex(that, indexName, rule);
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public static ISelect<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14> WithIndex<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14>(this ISelect<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14> that, string indexName, Dictionary<Type, string> rule = null) where T1 : class where T2 : class where T3 : class where T4 : class where T5 : class where T6 : class where T7 : class where T8 : class where T9 : class where T10 : class where T11 : class where T12 : class where T13 : class where T14 : class => LocalWithIndex(that, indexName, rule);
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public static ISelect<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15> WithIndex<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15>(this ISelect<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15> that, string indexName, Dictionary<Type, string> rule = null) where T1 : class where T2 : class where T3 : class where T4 : class where T5 : class where T6 : class where T7 : class where T8 : class where T9 : class where T10 : class where T11 : class where T12 : class where T13 : class where T14 : class where T15 : class => LocalWithIndex(that, indexName, rule);
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public static ISelect<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16> WithIndex<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16>(this ISelect<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16> that, string indexName, Dictionary<Type, string> rule = null) where T1 : class where T2 : class where T3 : class where T4 : class where T5 : class where T6 : class where T7 : class where T8 : class where T9 : class where T10 : class where T11 : class where T12 : class where T13 : class where T14 : class where T15 : class where T16 : class => LocalWithIndex(that, indexName, rule);
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static TReturn LocalWithIndex<TReturn>(TReturn query, string indexName, Dictionary<Type, string> rule)
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{
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if (string.IsNullOrWhiteSpace(indexName)) return query;
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var selectProvider = query as Select0Provider;
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switch (selectProvider._orm.Ado.DataType)
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{
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case DataType.SqlServer:
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case DataType.OdbcSqlServer:
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case DataType.CustomSqlServer:
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break;
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default:
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return query;
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||||
}
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var oldalias = selectProvider._aliasRule;
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selectProvider._aliasRule = (type, old) =>
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{
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if (oldalias != null) old = oldalias(type, old);
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if (type == selectProvider._tables[0].Table.Type) return LocalAppendWithString(old, $"index={indexName}");
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if (rule == null) return old;
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return rule.TryGetValue(type, out var tryidxName) && string.IsNullOrWhiteSpace(tryidxName) == false ? LocalAppendWithString(old, $"index={tryidxName}") : old;
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||||
};
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||||
return query;
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||||
}
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static string LocalAppendWithString(string old, string str) => old?.Contains(" With(") == true ? old.Replace(" With(", $" With({str}, ") : $"{old} With({str})";
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/// <summary>
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/// 设置全局 SqlServer with(nolock) 查询
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/// </summary>
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/// <param name="that"></param>
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/// <param name="options"></param>
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public static IFreeSql SetGlobalSelectWithLock(this IFreeSql that, SqlServerLock lockType, Dictionary<Type, bool> rule)
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{
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var value = NativeTuple.Create(lockType, rule);
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_dicSetGlobalSelectWithLock.AddOrUpdate(that.Ado.Identifier, value, (_, __) => value);
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return that;
|
||||
}
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internal static ConcurrentDictionary<Guid, NativeTuple<SqlServerLock, Dictionary<Type, bool>>> _dicSetGlobalSelectWithLock = new ConcurrentDictionary<Guid, NativeTuple<SqlServerLock, Dictionary<Type, bool>>>();
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||||
|
||||
#region ExecuteSqlBulkCopy
|
||||
/// <summary>
|
||||
/// 批量插入或更新（操作的字段数量超过 2000 时收益大）<para></para>
|
||||
/// 实现原理：使用 SqlBulkCopy 插入临时表，再执行 MERGE INTO t1 using (select * from #temp) ...
|
||||
/// </summary>
|
||||
/// <typeparam name="T"></typeparam>
|
||||
/// <param name="that"></param>
|
||||
/// <param name="copyOptions"></param>
|
||||
/// <param name="batchSize"></param>
|
||||
/// <param name="bulkCopyTimeout"></param>
|
||||
/// <returns></returns>
|
||||
public static int ExecuteSqlBulkCopy<T>(this IInsertOrUpdate<T> that, SqlBulkCopyOptions copyOptions = SqlBulkCopyOptions.Default, int? batchSize = null, int? bulkCopyTimeout = null) where T : class
|
||||
{
|
||||
var upsert = that as InsertOrUpdateProvider<T>;
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||||
if (upsert._source.Any() != true || upsert._tempPrimarys.Any() == false) return 0;
|
||||
var state = ExecuteSqlBulkCopyState(upsert);
|
||||
return UpdateProvider.ExecuteBulkUpsert(upsert, state, insert => insert.ExecuteSqlBulkCopy(copyOptions, batchSize, bulkCopyTimeout));
|
||||
}
|
||||
static NativeTuple<string, string, string, string, string[]> ExecuteSqlBulkCopyState<T>(InsertOrUpdateProvider<T> upsert) where T : class
|
||||
{
|
||||
if (upsert._source.Any() != true) return null;
|
||||
var _table = upsert._table;
|
||||
var _commonUtils = upsert._commonUtils;
|
||||
var updateTableName = upsert._tableRule?.Invoke(_table.DbName) ?? _table.DbName;
|
||||
var tempTableName = $"#Temp_{Guid.NewGuid().ToString("N")}";
|
||||
if (upsert._orm.CodeFirst.IsSyncStructureToLower) tempTableName = tempTableName.ToLower();
|
||||
if (upsert._orm.CodeFirst.IsSyncStructureToUpper) tempTableName = tempTableName.ToUpper();
|
||||
if (upsert._connection == null && upsert._orm.Ado.TransactionCurrentThread != null)
|
||||
upsert.WithTransaction(upsert._orm.Ado.TransactionCurrentThread);
|
||||
var sql1 = $"SELECT {string.Join(", ", _table.Columns.Values.Select(a => _commonUtils.QuoteSqlName(a.Attribute.Name)))} INTO {tempTableName} FROM {_commonUtils.QuoteSqlName(updateTableName)} WHERE 1=2";
|
||||
try
|
||||
{
|
||||
upsert._sourceSql = $"select * from {tempTableName}";
|
||||
var sql2 = upsert.ToSql();
|
||||
var sql3 = $"DROP TABLE {tempTableName}";
|
||||
return NativeTuple.Create(sql1, sql2, sql3, tempTableName, _table.Columns.Values.Select(a => a.Attribute.Name).ToArray());
|
||||
}
|
||||
finally
|
||||
{
|
||||
upsert._sourceSql = null;
|
||||
}
|
||||
}
|
||||
/// <summary>
|
||||
/// 批量更新（更新字段数量超过 2000 时收益大）<para></para>
|
||||
/// 实现原理：使用 SqlBulkCopy 插入临时表，再使用 UPDATE INNER JOIN 联表更新
|
||||
/// </summary>
|
||||
/// <typeparam name="T"></typeparam>
|
||||
/// <param name="that"></param>
|
||||
/// <param name="copyOptions"></param>
|
||||
/// <param name="batchSize"></param>
|
||||
/// <param name="bulkCopyTimeout"></param>
|
||||
/// <returns></returns>
|
||||
public static int ExecuteSqlBulkCopy<T>(this IUpdate<T> that, SqlBulkCopyOptions copyOptions = SqlBulkCopyOptions.Default, int? batchSize = null, int? bulkCopyTimeout = null) where T : class
|
||||
{
|
||||
var update = that as UpdateProvider<T>;
|
||||
if (update._source.Any() != true || update._tempPrimarys.Any() == false) return 0;
|
||||
var state = ExecuteSqlBulkCopyState(update);
|
||||
return UpdateProvider.ExecuteBulkUpdate(update, state, insert => insert.ExecuteSqlBulkCopy(copyOptions, batchSize, bulkCopyTimeout));
|
||||
}
|
||||
static NativeTuple<string, string, string, string, string[]> ExecuteSqlBulkCopyState<T>(UpdateProvider<T> update) where T : class
|
||||
{
|
||||
if (update._source.Any() != true) return null;
|
||||
var _table = update._table;
|
||||
var _commonUtils = update._commonUtils;
|
||||
var updateTableName = update._tableRule?.Invoke(_table.DbName) ?? _table.DbName;
|
||||
var tempTableName = $"#Temp_{Guid.NewGuid().ToString("N")}";
|
||||
if (update._orm.CodeFirst.IsSyncStructureToLower) tempTableName = tempTableName.ToLower();
|
||||
if (update._orm.CodeFirst.IsSyncStructureToUpper) tempTableName = tempTableName.ToUpper();
|
||||
if (update._connection == null && update._orm.Ado.TransactionCurrentThread != null)
|
||||
update.WithTransaction(update._orm.Ado.TransactionCurrentThread);
|
||||
var setColumns = new List<string>();
|
||||
var pkColumns = new List<string>();
|
||||
foreach (var col in _table.Columns.Values)
|
||||
{
|
||||
if (update._tempPrimarys.Any(a => a.CsName == col.CsName)) pkColumns.Add(col.Attribute.Name);
|
||||
else if (col.Attribute.IsIdentity == false && col.Attribute.IsVersion == false && update._ignore.ContainsKey(col.Attribute.Name) == false) setColumns.Add(col.Attribute.Name);
|
||||
}
|
||||
var sql1 = $"SELECT {string.Join(", ", pkColumns.Select(a => _commonUtils.QuoteSqlName(a)))}, {string.Join(", ", setColumns.Select(a => _commonUtils.QuoteSqlName(a)))} INTO {tempTableName} FROM {_commonUtils.QuoteSqlName(updateTableName)} WHERE 1=2";
|
||||
var sb = new StringBuilder().Append("UPDATE ").Append(" a SET \r\n ").Append(string.Join(", \r\n ", setColumns.Select(col => $"a.{_commonUtils.QuoteSqlName(col)} = b.{_commonUtils.QuoteSqlName(col)}")));
|
||||
sb.Append(" \r\nFROM ").Append(_commonUtils.QuoteSqlName(updateTableName)).Append(" a ")
|
||||
.Append(" \r\nINNER JOIN ").Append(tempTableName).Append(" b ON ").Append(string.Join(" AND ", pkColumns.Select(col => $"a.{_commonUtils.QuoteSqlName(col)} = b.{_commonUtils.QuoteSqlName(col)}")));
|
||||
var sql2 = sb.ToString();
|
||||
sb.Clear();
|
||||
var sql3 = $"DROP TABLE {tempTableName}";
|
||||
return NativeTuple.Create(sql1, sql2, sql3, tempTableName, pkColumns.Concat(setColumns).ToArray());
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// SqlServer SqlCopyBulk 批量插入功能<para></para>
|
||||
/// 使用 IgnoreColumns/InsertColumns 设置忽略/指定导入的列<para></para>
|
||||
/// 使用 WithConnection/WithTransaction 传入连接/事务对象<para></para>
|
||||
/// 提示：若本方法不能满足，请使用 IInsert<T>.ToDataTable 方法得到 DataTable 对象后，自行处理。<para></para>
|
||||
/// SqlCopyBulk 与 insert into t values(..),(..),(..) 性能测试参考：<para></para>
|
||||
/// 插入180000行，52列：21,065ms 与 402,355ms，10列：4,248ms 与 47,204ms<para></para>
|
||||
/// 插入10000行，52列：578ms 与 24,847ms，10列：127ms 与 2,275ms<para></para>
|
||||
/// 插入5000行，52列：326ms 与 11,465ms，10列：71ms 与 1,108ms<para></para>
|
||||
/// 插入2000行，52列：139ms 与 4,971ms，10列：30ms 与 488ms<para></para>
|
||||
/// 插入1000行，52列：105ms 与 2,437ms，10列：48ms 与 279ms<para></para>
|
||||
/// 插入500行，52列：79ms 与 915ms，10列：14ms 与 123ms<para></para>
|
||||
/// 插入100行，52列：60ms 与 138ms，10列：11ms 与 35ms<para></para>
|
||||
/// 插入50行，52列：48ms 与 88ms，10列：10ms 与 16ms<para></para>
|
||||
/// </summary>
|
||||
/// <typeparam name="T"></typeparam>
|
||||
/// <param name="that"></param>
|
||||
/// <param name="copyOptions"></param>
|
||||
/// <param name="batchSize"></param>
|
||||
/// <param name="bulkCopyTimeout"></param>
|
||||
public static void ExecuteSqlBulkCopy<T>(this IInsert<T> that, SqlBulkCopyOptions copyOptions = SqlBulkCopyOptions.Default, int? batchSize = null, int? bulkCopyTimeout = null) where T : class
|
||||
{
|
||||
var insert = that as FreeSql.SqlServer.Curd.SqlServerInsert<T>;
|
||||
if (insert == null) throw new Exception(CoreStrings.S_Features_Unique("ExecuteSqlBulkCopy", "SqlServer"));
|
||||
|
||||
if (insert._insertIdentity) copyOptions = copyOptions | SqlBulkCopyOptions.KeepIdentity;
|
||||
var dt = that.ToDataTable();
|
||||
if (dt.Rows.Count == 0) return;
|
||||
|
||||
Action<SqlBulkCopy> writeToServer = bulkCopy =>
|
||||
{
|
||||
if (batchSize.HasValue) bulkCopy.BatchSize = batchSize.Value;
|
||||
if (bulkCopyTimeout.HasValue) bulkCopy.BulkCopyTimeout = bulkCopyTimeout.Value;
|
||||
bulkCopy.DestinationTableName = dt.TableName;
|
||||
for (int i = 0; i < dt.Columns.Count; i++)
|
||||
bulkCopy.ColumnMappings.Add(dt.Columns[i].ColumnName, dt.Columns[i].ColumnName);
|
||||
bulkCopy.WriteToServer(dt);
|
||||
};
|
||||
|
||||
try
|
||||
{
|
||||
if (insert.InternalConnection == null && insert.InternalTransaction == null)
|
||||
{
|
||||
if (insert._orm.Ado?.TransactionCurrentThread != null)
|
||||
using (var bulkCopy = new SqlBulkCopy(insert._orm.Ado.TransactionCurrentThread.Connection as SqlConnection, copyOptions, insert._orm.Ado.TransactionCurrentThread as SqlTransaction))
|
||||
writeToServer(bulkCopy);
|
||||
else
|
||||
using (var conn = insert.InternalOrm.Ado.MasterPool.Get())
|
||||
{
|
||||
using (var bulkCopy = copyOptions == SqlBulkCopyOptions.Default ?
|
||||
new SqlBulkCopy(conn.Value as SqlConnection) :
|
||||
new SqlBulkCopy(conn.Value as SqlConnection, copyOptions, null))
|
||||
{
|
||||
writeToServer(bulkCopy);
|
||||
}
|
||||
}
|
||||
}
|
||||
else if (insert.InternalTransaction != null)
|
||||
{
|
||||
using (var bulkCopy = new SqlBulkCopy(insert.InternalTransaction.Connection as SqlConnection, copyOptions, insert.InternalTransaction as SqlTransaction))
|
||||
{
|
||||
writeToServer(bulkCopy);
|
||||
}
|
||||
}
|
||||
else if (insert.InternalConnection != null)
|
||||
{
|
||||
var conn = insert.InternalConnection as SqlConnection;
|
||||
var isNotOpen = false;
|
||||
if (conn.State != System.Data.ConnectionState.Open)
|
||||
{
|
||||
isNotOpen = true;
|
||||
conn.Open();
|
||||
}
|
||||
try
|
||||
{
|
||||
using (var bulkCopy = copyOptions == SqlBulkCopyOptions.Default ?
|
||||
new SqlBulkCopy(conn) :
|
||||
new SqlBulkCopy(conn, copyOptions, null))
|
||||
{
|
||||
writeToServer(bulkCopy);
|
||||
}
|
||||
}
|
||||
finally
|
||||
{
|
||||
if (isNotOpen)
|
||||
conn.Close();
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
throw new NotImplementedException($"ExecuteSqlBulkCopy {CoreStrings.S_Not_Implemented_FeedBack}");
|
||||
}
|
||||
}
|
||||
finally
|
||||
{
|
||||
dt.Clear();
|
||||
}
|
||||
}
|
||||
#if net40
|
||||
#else
|
||||
public static Task<int> ExecuteSqlBulkCopyAsync<T>(this IInsertOrUpdate<T> that, SqlBulkCopyOptions copyOptions = SqlBulkCopyOptions.Default, int? batchSize = null, int? bulkCopyTimeout = null, CancellationToken cancellationToken = default) where T : class
|
||||
{
|
||||
var upsert = that as InsertOrUpdateProvider<T>;
|
||||
if (upsert._source.Any() != true || upsert._tempPrimarys.Any() == false) return Task.FromResult(0);
|
||||
var state = ExecuteSqlBulkCopyState(upsert);
|
||||
return UpdateProvider.ExecuteBulkUpsertAsync(upsert, state, insert => insert.ExecuteSqlBulkCopyAsync(copyOptions, batchSize, bulkCopyTimeout, cancellationToken));
|
||||
}
|
||||
public static Task<int> ExecuteSqlBulkCopyAsync<T>(this IUpdate<T> that, SqlBulkCopyOptions copyOptions = SqlBulkCopyOptions.Default, int? batchSize = null, int? bulkCopyTimeout = null, CancellationToken cancellationToken = default) where T : class
|
||||
{
|
||||
var update = that as UpdateProvider<T>;
|
||||
if (update._source.Any() != true || update._tempPrimarys.Any() == false) return Task.FromResult(0);
|
||||
var state = ExecuteSqlBulkCopyState(update);
|
||||
return UpdateProvider.ExecuteBulkUpdateAsync(update, state, insert => insert.ExecuteSqlBulkCopyAsync(copyOptions, batchSize, bulkCopyTimeout, cancellationToken));
|
||||
}
|
||||
async public static Task ExecuteSqlBulkCopyAsync<T>(this IInsert<T> that, SqlBulkCopyOptions copyOptions = SqlBulkCopyOptions.Default, int? batchSize = null, int? bulkCopyTimeout = null, CancellationToken cancellationToken = default) where T : class
|
||||
{
|
||||
var insert = that as FreeSql.SqlServer.Curd.SqlServerInsert<T>;
|
||||
if (insert == null) throw new Exception(CoreStrings.S_Features_Unique("ExecuteSqlBulkCopyAsync", "SqlServer"));
|
||||
|
||||
if (insert._insertIdentity) copyOptions = copyOptions | SqlBulkCopyOptions.KeepIdentity;
|
||||
var dt = that.ToDataTable();
|
||||
if (dt.Rows.Count == 0) return;
|
||||
|
||||
Func<SqlBulkCopy, Task> writeToServerAsync = bulkCopy =>
|
||||
{
|
||||
if (batchSize.HasValue) bulkCopy.BatchSize = batchSize.Value;
|
||||
if (bulkCopyTimeout.HasValue) bulkCopy.BulkCopyTimeout = bulkCopyTimeout.Value;
|
||||
bulkCopy.DestinationTableName = dt.TableName;
|
||||
for (int i = 0; i < dt.Columns.Count; i++)
|
||||
bulkCopy.ColumnMappings.Add(dt.Columns[i].ColumnName, dt.Columns[i].ColumnName);
|
||||
return bulkCopy.WriteToServerAsync(dt, cancellationToken);
|
||||
};
|
||||
|
||||
try
|
||||
{
|
||||
if (insert.InternalConnection == null && insert.InternalTransaction == null)
|
||||
{
|
||||
if (insert._orm.Ado?.TransactionCurrentThread != null)
|
||||
using (var bulkCopy = new SqlBulkCopy(insert._orm.Ado.TransactionCurrentThread.Connection as SqlConnection, copyOptions, insert._orm.Ado.TransactionCurrentThread as SqlTransaction))
|
||||
await writeToServerAsync(bulkCopy);
|
||||
else
|
||||
using (var conn = await insert.InternalOrm.Ado.MasterPool.GetAsync())
|
||||
{
|
||||
using (var bulkCopy = copyOptions == SqlBulkCopyOptions.Default ?
|
||||
new SqlBulkCopy(conn.Value as SqlConnection) :
|
||||
new SqlBulkCopy(conn.Value as SqlConnection, copyOptions, null))
|
||||
{
|
||||
await writeToServerAsync(bulkCopy);
|
||||
}
|
||||
}
|
||||
}
|
||||
else if (insert.InternalTransaction != null)
|
||||
{
|
||||
using (var bulkCopy = new SqlBulkCopy(insert.InternalTransaction.Connection as SqlConnection, copyOptions, insert.InternalTransaction as SqlTransaction))
|
||||
{
|
||||
await writeToServerAsync(bulkCopy);
|
||||
}
|
||||
}
|
||||
else if (insert.InternalConnection != null)
|
||||
{
|
||||
var conn = insert.InternalConnection as SqlConnection;
|
||||
var isNotOpen = false;
|
||||
if (conn.State != System.Data.ConnectionState.Open)
|
||||
{
|
||||
isNotOpen = true;
|
||||
await conn.OpenAsync(cancellationToken);
|
||||
}
|
||||
try
|
||||
{
|
||||
using (var bulkCopy = copyOptions == SqlBulkCopyOptions.Default ?
|
||||
new SqlBulkCopy(conn) :
|
||||
new SqlBulkCopy(conn, copyOptions, null))
|
||||
{
|
||||
await writeToServerAsync(bulkCopy);
|
||||
}
|
||||
}
|
||||
finally
|
||||
{
|
||||
if (isNotOpen)
|
||||
conn.Close();
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
throw new NotImplementedException($"ExecuteSqlBulkCopyAsync {CoreStrings.S_Not_Implemented_FeedBack}");
|
||||
}
|
||||
}
|
||||
finally
|
||||
{
|
||||
dt.Clear();
|
||||
}
|
||||
}
|
||||
#endif
|
||||
#endregion
|
||||
}
|
||||
|
||||
[Flags]
|
||||
public enum SqlServerLock
|
||||
{
|
||||
NoLock = 1,
|
||||
HoldLock = 2,
|
||||
UpdLock = 4,
|
||||
RowLock = 8,
|
||||
ReadCommitted = 16,
|
||||
ReadPast = 32,
|
||||
ReadUnCommitted = 64,
|
||||
RepeaTableRead = 256,
|
||||
PagLock = 512,
|
||||
Serializable = 1024,
|
||||
TabLock = 2048,
|
||||
TabLockX = 4096,
|
||||
XLock = 8192,
|
||||
NoWait = 16384
|
||||
}
|
||||
Reference in New Issue
Block a user