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- 增加 ISelect.ForUpdate 排他更新锁（根据数据库类型的规则，见代码注释）；

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- 完善 SqlServer WithLock 功能，组合多种使用 | 枚举相联；
This commit is contained in:
28810
2019-12-14 11:43:17 +08:00
parent 655d19153b
commit 15c3ab7297
32 changed files with 470 additions and 170 deletions
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34
Providers/FreeSql.Provider.SqlServer/Curd/SqlServerSelect.cs
View File

@ -12,13 +12,13 @@ namespace FreeSql.SqlServer.Curd
class SqlServerSelect<T1> : FreeSql.Internal.CommonProvider.Select1Provider<T1> where T1 : class
{
internal static string ToSqlStatic(CommonUtils _commonUtils, CommonExpression _commonExpression, string _select, bool _distinct, string field, StringBuilder _join, StringBuilder _where, string _groupby, string _having, string _orderby, int _skip, int _limit, List<SelectTableInfo> _tables, List<Dictionary<Type, string>> tbUnions, Func<Type, string, string> _aliasRule, List<LambdaExpression> _whereCascadeExpression, IFreeSql _orm)
internal static string ToSqlStatic(CommonUtils _commonUtils, CommonExpression _commonExpression, string _select, bool _distinct, string field, StringBuilder _join, StringBuilder _where, string _groupby, string _having, string _orderby, int _skip, int _limit, List<SelectTableInfo> _tables, List<Dictionary<Type, string>> tbUnions, Func<Type, string, string> _aliasRule, string _tosqlAppendContent, List<LambdaExpression> _whereCascadeExpression, IFreeSql _orm)
=> (_commonUtils as SqlServerUtils).IsSelectRowNumber ?
ToSqlStaticRowNumber(_commonUtils, _commonExpression, _select, _distinct, field, _join, _where, _groupby, _having, _orderby, _skip, _limit, _tables, tbUnions, _aliasRule, _whereCascadeExpression, _orm) :
ToSqlStaticOffsetFetchNext(_commonUtils, _commonExpression, _select, _distinct, field, _join, _where, _groupby, _having, _orderby, _skip, _limit, _tables, tbUnions, _aliasRule, _whereCascadeExpression, _orm);
ToSqlStaticRowNumber(_commonUtils, _commonExpression, _select, _distinct, field, _join, _where, _groupby, _having, _orderby, _skip, _limit, _tables, tbUnions, _aliasRule, _tosqlAppendContent, _whereCascadeExpression, _orm) :
ToSqlStaticOffsetFetchNext(_commonUtils, _commonExpression, _select, _distinct, field, _join, _where, _groupby, _having, _orderby, _skip, _limit, _tables, tbUnions, _aliasRule, _tosqlAppendContent, _whereCascadeExpression, _orm);
#region SqlServer 2005 row_number
internal static string ToSqlStaticRowNumber(CommonUtils _commonUtils, CommonExpression _commonExpression, string _select, bool _distinct, string field, StringBuilder _join, StringBuilder _where, string _groupby, string _having, string _orderby, int _skip, int _limit, List<SelectTableInfo> _tables, List<Dictionary<Type, string>> tbUnions, Func<Type, string, string> _aliasRule, List<LambdaExpression> _whereCascadeExpression, IFreeSql _orm)
internal static string ToSqlStaticRowNumber(CommonUtils _commonUtils, CommonExpression _commonExpression, string _select, bool _distinct, string field, StringBuilder _join, StringBuilder _where, string _groupby, string _having, string _orderby, int _skip, int _limit, List<SelectTableInfo> _tables, List<Dictionary<Type, string>> tbUnions, Func<Type, string, string> _aliasRule, string _tosqlAppendContent, List<LambdaExpression> _whereCascadeExpression, IFreeSql _orm)
{
if (_orm.CodeFirst.IsAutoSyncStructure)
_orm.CodeFirst.SyncStructure(_tables.Select(a => a.Table.Type).ToArray());
@ -128,12 +128,12 @@ namespace FreeSql.SqlServer.Curd
sbnav.Clear();
if (tbUnionsGt0) sb.Append(") ftb");
}
return sb.ToString();
return sb.Append(_tosqlAppendContent).ToString();
}
#endregion
#region SqlServer 2012+ offset feach next
internal static string ToSqlStaticOffsetFetchNext(CommonUtils _commonUtils, CommonExpression _commonExpression, string _select, bool _distinct, string field, StringBuilder _join, StringBuilder _where, string _groupby, string _having, string _orderby, int _skip, int _limit, List<SelectTableInfo> _tables, List<Dictionary<Type, string>> tbUnions, Func<Type, string, string> _aliasRule, List<LambdaExpression> _whereCascadeExpression, IFreeSql _orm)
internal static string ToSqlStaticOffsetFetchNext(CommonUtils _commonUtils, CommonExpression _commonExpression, string _select, bool _distinct, string field, StringBuilder _join, StringBuilder _where, string _groupby, string _having, string _orderby, int _skip, int _limit, List<SelectTableInfo> _tables, List<Dictionary<Type, string>> tbUnions, Func<Type, string, string> _aliasRule, string _tosqlAppendContent, List<LambdaExpression> _whereCascadeExpression, IFreeSql _orm)
{
if (_orm.CodeFirst.IsAutoSyncStructure)
_orm.CodeFirst.SyncStructure(_tables.Select(a => a.Table.Type).ToArray());
@ -244,7 +244,7 @@ namespace FreeSql.SqlServer.Curd
sbnav.Clear();
if (tbUnionsGt0) sb.Append(") ftb");
}
return sb.ToString();
return sb.Append(_tosqlAppendContent).ToString();
}
#endregion
@ -261,51 +261,51 @@ namespace FreeSql.SqlServer.Curd
public override ISelect<T1, T2, T3, T4, T5, T6, T7, T8> From<T2, T3, T4, T5, T6, T7, T8>(Expression<Func<ISelectFromExpression<T1>, T2, T3, T4, T5, T6, T7, T8, ISelectFromExpression<T1>>> exp) { this.InternalFrom(exp); var ret = new SqlServerSelect<T1, T2, T3, T4, T5, T6, T7, T8>(_orm, _commonUtils, _commonExpression, null); SqlServerSelect<T1>.CopyData(this, ret, exp?.Parameters); return ret; }
public override ISelect<T1, T2, T3, T4, T5, T6, T7, T8, T9> From<T2, T3, T4, T5, T6, T7, T8, T9>(Expression<Func<ISelectFromExpression<T1>, T2, T3, T4, T5, T6, T7, T8, T9, ISelectFromExpression<T1>>> exp) { this.InternalFrom(exp); var ret = new SqlServerSelect<T1, T2, T3, T4, T5, T6, T7, T8, T9>(_orm, _commonUtils, _commonExpression, null); SqlServerSelect<T1>.CopyData(this, ret, exp?.Parameters); return ret; }
public override ISelect<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10> From<T2, T3, T4, T5, T6, T7, T8, T9, T10>(Expression<Func<ISelectFromExpression<T1>, T2, T3, T4, T5, T6, T7, T8, T9, T10, ISelectFromExpression<T1>>> exp) { this.InternalFrom(exp); var ret = new SqlServerSelect<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10>(_orm, _commonUtils, _commonExpression, null); SqlServerSelect<T1>.CopyData(this, ret, exp?.Parameters); return ret; }
public override string ToSql(string field = null) => ToSqlStatic(_commonUtils, _commonExpression, _select, _distinct, field ?? this.GetAllFieldExpressionTreeLevel2().Field, _join, _where, _groupby, _having, _orderby, _skip, _limit, _tables, this.GetTableRuleUnions(), _aliasRule, _whereCascadeExpression, _orm);
public override string ToSql(string field = null) => ToSqlStatic(_commonUtils, _commonExpression, _select, _distinct, field ?? this.GetAllFieldExpressionTreeLevel2().Field, _join, _where, _groupby, _having, _orderby, _skip, _limit, _tables, this.GetTableRuleUnions(), _aliasRule, _tosqlAppendContent, _whereCascadeExpression, _orm);
}
class SqlServerSelect<T1, T2> : FreeSql.Internal.CommonProvider.Select2Provider<T1, T2> where T1 : class where T2 : class
{
public SqlServerSelect(IFreeSql orm, CommonUtils commonUtils, CommonExpression commonExpression, object dywhere) : base(orm, commonUtils, commonExpression, dywhere) { }
public override string ToSql(string field = null) => SqlServerSelect<T1>.ToSqlStatic(_commonUtils, _commonExpression, _select, _distinct, field ?? this.GetAllFieldExpressionTreeLevel2().Field, _join, _where, _groupby, _having, _orderby, _skip, _limit, _tables, this.GetTableRuleUnions(), _aliasRule, _whereCascadeExpression, _orm);
public override string ToSql(string field = null) => SqlServerSelect<T1>.ToSqlStatic(_commonUtils, _commonExpression, _select, _distinct, field ?? this.GetAllFieldExpressionTreeLevel2().Field, _join, _where, _groupby, _having, _orderby, _skip, _limit, _tables, this.GetTableRuleUnions(), _aliasRule, _tosqlAppendContent, _whereCascadeExpression, _orm);
}
class SqlServerSelect<T1, T2, T3> : FreeSql.Internal.CommonProvider.Select3Provider<T1, T2, T3> where T1 : class where T2 : class where T3 : class
{
public SqlServerSelect(IFreeSql orm, CommonUtils commonUtils, CommonExpression commonExpression, object dywhere) : base(orm, commonUtils, commonExpression, dywhere) { }
public override string ToSql(string field = null) => SqlServerSelect<T1>.ToSqlStatic(_commonUtils, _commonExpression, _select, _distinct, field ?? this.GetAllFieldExpressionTreeLevel2().Field, _join, _where, _groupby, _having, _orderby, _skip, _limit, _tables, this.GetTableRuleUnions(), _aliasRule, _whereCascadeExpression, _orm);
public override string ToSql(string field = null) => SqlServerSelect<T1>.ToSqlStatic(_commonUtils, _commonExpression, _select, _distinct, field ?? this.GetAllFieldExpressionTreeLevel2().Field, _join, _where, _groupby, _having, _orderby, _skip, _limit, _tables, this.GetTableRuleUnions(), _aliasRule, _tosqlAppendContent, _whereCascadeExpression, _orm);
}
class SqlServerSelect<T1, T2, T3, T4> : FreeSql.Internal.CommonProvider.Select4Provider<T1, T2, T3, T4> where T1 : class where T2 : class where T3 : class where T4 : class
{
public SqlServerSelect(IFreeSql orm, CommonUtils commonUtils, CommonExpression commonExpression, object dywhere) : base(orm, commonUtils, commonExpression, dywhere) { }
public override string ToSql(string field = null) => SqlServerSelect<T1>.ToSqlStatic(_commonUtils, _commonExpression, _select, _distinct, field ?? this.GetAllFieldExpressionTreeLevel2().Field, _join, _where, _groupby, _having, _orderby, _skip, _limit, _tables, this.GetTableRuleUnions(), _aliasRule, _whereCascadeExpression, _orm);
public override string ToSql(string field = null) => SqlServerSelect<T1>.ToSqlStatic(_commonUtils, _commonExpression, _select, _distinct, field ?? this.GetAllFieldExpressionTreeLevel2().Field, _join, _where, _groupby, _having, _orderby, _skip, _limit, _tables, this.GetTableRuleUnions(), _aliasRule, _tosqlAppendContent, _whereCascadeExpression, _orm);
}
class SqlServerSelect<T1, T2, T3, T4, T5> : FreeSql.Internal.CommonProvider.Select5Provider<T1, T2, T3, T4, T5> where T1 : class where T2 : class where T3 : class where T4 : class where T5 : class
{
public SqlServerSelect(IFreeSql orm, CommonUtils commonUtils, CommonExpression commonExpression, object dywhere) : base(orm, commonUtils, commonExpression, dywhere) { }
public override string ToSql(string field = null) => SqlServerSelect<T1>.ToSqlStatic(_commonUtils, _commonExpression, _select, _distinct, field ?? this.GetAllFieldExpressionTreeLevel2().Field, _join, _where, _groupby, _having, _orderby, _skip, _limit, _tables, this.GetTableRuleUnions(), _aliasRule, _whereCascadeExpression, _orm);
public override string ToSql(string field = null) => SqlServerSelect<T1>.ToSqlStatic(_commonUtils, _commonExpression, _select, _distinct, field ?? this.GetAllFieldExpressionTreeLevel2().Field, _join, _where, _groupby, _having, _orderby, _skip, _limit, _tables, this.GetTableRuleUnions(), _aliasRule, _tosqlAppendContent, _whereCascadeExpression, _orm);
}
class SqlServerSelect<T1, T2, T3, T4, T5, T6> : FreeSql.Internal.CommonProvider.Select6Provider<T1, T2, T3, T4, T5, T6> where T1 : class where T2 : class where T3 : class where T4 : class where T5 : class where T6 : class
{
public SqlServerSelect(IFreeSql orm, CommonUtils commonUtils, CommonExpression commonExpression, object dywhere) : base(orm, commonUtils, commonExpression, dywhere) { }
public override string ToSql(string field = null) => SqlServerSelect<T1>.ToSqlStatic(_commonUtils, _commonExpression, _select, _distinct, field ?? this.GetAllFieldExpressionTreeLevel2().Field, _join, _where, _groupby, _having, _orderby, _skip, _limit, _tables, this.GetTableRuleUnions(), _aliasRule, _whereCascadeExpression, _orm);
public override string ToSql(string field = null) => SqlServerSelect<T1>.ToSqlStatic(_commonUtils, _commonExpression, _select, _distinct, field ?? this.GetAllFieldExpressionTreeLevel2().Field, _join, _where, _groupby, _having, _orderby, _skip, _limit, _tables, this.GetTableRuleUnions(), _aliasRule, _tosqlAppendContent, _whereCascadeExpression, _orm);
}
class SqlServerSelect<T1, T2, T3, T4, T5, T6, T7> : FreeSql.Internal.CommonProvider.Select7Provider<T1, T2, T3, T4, T5, T6, T7> where T1 : class where T2 : class where T3 : class where T4 : class where T5 : class where T6 : class where T7 : class
{
public SqlServerSelect(IFreeSql orm, CommonUtils commonUtils, CommonExpression commonExpression, object dywhere) : base(orm, commonUtils, commonExpression, dywhere) { }
public override string ToSql(string field = null) => SqlServerSelect<T1>.ToSqlStatic(_commonUtils, _commonExpression, _select, _distinct, field ?? this.GetAllFieldExpressionTreeLevel2().Field, _join, _where, _groupby, _having, _orderby, _skip, _limit, _tables, this.GetTableRuleUnions(), _aliasRule, _whereCascadeExpression, _orm);
public override string ToSql(string field = null) => SqlServerSelect<T1>.ToSqlStatic(_commonUtils, _commonExpression, _select, _distinct, field ?? this.GetAllFieldExpressionTreeLevel2().Field, _join, _where, _groupby, _having, _orderby, _skip, _limit, _tables, this.GetTableRuleUnions(), _aliasRule, _tosqlAppendContent, _whereCascadeExpression, _orm);
}
class SqlServerSelect<T1, T2, T3, T4, T5, T6, T7, T8> : FreeSql.Internal.CommonProvider.Select8Provider<T1, T2, T3, T4, T5, T6, T7, T8> where T1 : class where T2 : class where T3 : class where T4 : class where T5 : class where T6 : class where T7 : class where T8 : class
{
public SqlServerSelect(IFreeSql orm, CommonUtils commonUtils, CommonExpression commonExpression, object dywhere) : base(orm, commonUtils, commonExpression, dywhere) { }
public override string ToSql(string field = null) => SqlServerSelect<T1>.ToSqlStatic(_commonUtils, _commonExpression, _select, _distinct, field ?? this.GetAllFieldExpressionTreeLevel2().Field, _join, _where, _groupby, _having, _orderby, _skip, _limit, _tables, this.GetTableRuleUnions(), _aliasRule, _whereCascadeExpression, _orm);
public override string ToSql(string field = null) => SqlServerSelect<T1>.ToSqlStatic(_commonUtils, _commonExpression, _select, _distinct, field ?? this.GetAllFieldExpressionTreeLevel2().Field, _join, _where, _groupby, _having, _orderby, _skip, _limit, _tables, this.GetTableRuleUnions(), _aliasRule, _tosqlAppendContent, _whereCascadeExpression, _orm);
}
class SqlServerSelect<T1, T2, T3, T4, T5, T6, T7, T8, T9> : FreeSql.Internal.CommonProvider.Select9Provider<T1, T2, T3, T4, T5, T6, T7, T8, T9> 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
{
public SqlServerSelect(IFreeSql orm, CommonUtils commonUtils, CommonExpression commonExpression, object dywhere) : base(orm, commonUtils, commonExpression, dywhere) { }
public override string ToSql(string field = null) => SqlServerSelect<T1>.ToSqlStatic(_commonUtils, _commonExpression, _select, _distinct, field ?? this.GetAllFieldExpressionTreeLevel2().Field, _join, _where, _groupby, _having, _orderby, _skip, _limit, _tables, this.GetTableRuleUnions(), _aliasRule, _whereCascadeExpression, _orm);
public override string ToSql(string field = null) => SqlServerSelect<T1>.ToSqlStatic(_commonUtils, _commonExpression, _select, _distinct, field ?? this.GetAllFieldExpressionTreeLevel2().Field, _join, _where, _groupby, _having, _orderby, _skip, _limit, _tables, this.GetTableRuleUnions(), _aliasRule, _tosqlAppendContent, _whereCascadeExpression, _orm);
}
class SqlServerSelect<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10> : FreeSql.Internal.CommonProvider.Select10Provider<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10> 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
{
public SqlServerSelect(IFreeSql orm, CommonUtils commonUtils, CommonExpression commonExpression, object dywhere) : base(orm, commonUtils, commonExpression, dywhere) { }
public override string ToSql(string field = null) => SqlServerSelect<T1>.ToSqlStatic(_commonUtils, _commonExpression, _select, _distinct, field ?? this.GetAllFieldExpressionTreeLevel2().Field, _join, _where, _groupby, _having, _orderby, _skip, _limit, _tables, this.GetTableRuleUnions(), _aliasRule, _whereCascadeExpression, _orm);
public override string ToSql(string field = null) => SqlServerSelect<T1>.ToSqlStatic(_commonUtils, _commonExpression, _select, _distinct, field ?? this.GetAllFieldExpressionTreeLevel2().Field, _join, _where, _groupby, _having, _orderby, _skip, _limit, _tables, this.GetTableRuleUnions(), _aliasRule, _tosqlAppendContent, _whereCascadeExpression, _orm);
}
}

20
Providers/FreeSql.Provider.SqlServer/SqlServerExtensions.cs
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@ -25,8 +25,8 @@ public static partial class FreeSqlSqlServerGlobalExtensions
/// <returns></returns>
public static ISelect<T> WithLock<T>(this ISelect<T> that, SqlServerLock lockType = SqlServerLock.NoLock, Dictionary<Type, bool> rule = null) where T : class
=> rule == null ?
that.AsAlias((type, old) => $"{old} with({lockType.ToString()})") :
that.AsAlias((type, old) => rule.TryGetValue(type, out var trybool) && trybool ? $"{old} with({lockType.ToString()})" : old);
that.AsAlias((type, old) => $"{old} With({lockType.ToString()})") :
that.AsAlias((type, old) => rule.TryGetValue(type, out var trybool) && trybool ? $"{old} With({lockType.ToString()})" : old);
/// <summary>
/// 设置全局 SqlServer with(nolock) 查询
@ -42,7 +42,21 @@ public static partial class FreeSqlSqlServerGlobalExtensions
internal static ConcurrentDictionary<IFreeSql, (SqlServerLock, Dictionary<Type, bool>)> _dicSetGlobalSelectWithLock = new ConcurrentDictionary<IFreeSql, (SqlServerLock, Dictionary<Type, bool>)>();
}
[Flags]
public enum SqlServerLock
{
HoldLock, NoLock, PagLock, ReadCommitted, ReadPast, ReadUnCommitted, RepeaTableRead, RowLock, Serializable, TabLock, TabLockX, UpdLock, XLock
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
}