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lambda optimization

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This commit is contained in:
sunkaixuan
2017-04-25 01:04:55 +08:00
parent f7ca4a4b05
commit 60532146ec
4 changed files with 130 additions and 109 deletions
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15
OrmTest/Program.cs
View File

@@ -19,19 +19,18 @@ namespace OrmTest
{
//Unit Test
int eachCount = 10;
//new Field(eachCount).Init();
//new Where(eachCount).Init();
//new Method(eachCount).Init();
//new JoinQuery(eachCount).Init();
//new SingleQuery(eachCount).Init();
//new SelectQuery(eachCount).Init();
new Field(eachCount).Init();
new Where(eachCount).Init();
new Method(eachCount).Init();
new JoinQuery(eachCount).Init();
new SingleQuery(eachCount).Init();
new SelectQuery(eachCount).Init();
//Performance Test
for (int i = 0; i < 100; i++)
{
new ChloeORMPerformance().Select();
new SqlSugarPerformance().Select();
}
}
}

11
SqlSugar/Abstract/QueryableProvider/QueryableAccessory.cs
View File

@@ -33,16 +33,5 @@ namespace SqlSugar
_Pars = new List<SugarParameter>();
_Pars.AddRange(pars);
}
protected void SetSelectType(SqlSugarClient context,ISqlBuilder builder)
{
var type = ResolveExpressType.SelectSingle;
if (builder.LambadaQueryBuilder.JoinQueryInfos.IsValuable())
{
type = ResolveExpressType.SelectMultiple;
}
builder.LambadaQueryBuilder.ResolveType = type;
}
}
}

7
SqlSugar/Abstract/QueryableProvider/QueryableProvider.cs
View File

@@ -177,7 +177,9 @@ namespace SqlSugar
public ISugarQueryable<T> OrderBy(string orderFileds)
{
throw new NotImplementedException();
var orderByValue = SqlBuilder.LambadaQueryBuilder.OrderByValue;
SqlBuilder.LambadaQueryBuilder.OrderByValue +=string.IsNullOrEmpty(orderByValue)?orderFileds:(","+orderFileds);
return this;
}
public ISugarQueryable<T> OrderBy(Expression<Func<T, object>> expression, OrderByType type = OrderByType.Asc)
@@ -298,7 +300,6 @@ namespace SqlSugar
var reval = InstanceFactory.GetQueryable<TResult>(this.Context.CurrentConnectionConfig);
reval.Context = this.Context;
reval.SqlBuilder = this.SqlBuilder;
base.SetSelectType(reval.Context, this.SqlBuilder);
SqlBuilder.LambadaQueryBuilder.SelectValue = expression;
reval.Pars = this.Pars;
return reval;
@@ -309,14 +310,12 @@ namespace SqlSugar
var reval = InstanceFactory.GetQueryable<TResult>(this.Context.CurrentConnectionConfig);
reval.Context = this.Context;
reval.SqlBuilder = this.SqlBuilder;
base.SetSelectType(reval.Context, this.SqlBuilder);
SqlBuilder.LambadaQueryBuilder.SelectValue = selectValue;
reval.Pars = this.Pars;
return reval;
}
public ISugarQueryable<T> Select(string selectValue)
{
base.SetSelectType(this.Context, this.SqlBuilder);
SqlBuilder.LambadaQueryBuilder.SelectValue = selectValue;
return this;
}

206
SqlSugar/Abstract/SqlBuilderProvider/DMLBuilder/LambadaQueryBuilder.cs
View File

@@ -8,16 +8,21 @@ namespace SqlSugar
{
public abstract class LambadaQueryBuilder : IDMLBuilder
{
#region Private Fileds
private List<SugarParameter> _QueryPars;
private List<JoinQueryInfo> _JoinQueryInfos;
private List<string> _WhereInfos;
private string _TableNameString;
private string _TableNameString;
#endregion
#region Service object
public StringBuilder Sql { get; set; }
public SqlSugarClient Context { get; set; }
public ILambdaExpressions LambdaExpressions { get; set; }
public ISqlBuilder Builder { get; set; }
#endregion
public ISqlBuilder Builder { get; set; }
#region Splicing basic
public int? Skip { get; set; }
public int? Take { get; set; }
public string OrderByValue { get; set; }
@@ -28,8 +33,54 @@ namespace SqlSugar
public string GroupByValue { get; set; }
public int WhereIndex { get; set; }
public int JoinIndex { get; set; }
public ResolveExpressType ResolveType { get; set; }
public virtual List<SugarParameter> QueryPars
{
get
{
_QueryPars = PubMethod.IsNullReturnNew(_QueryPars);
return _QueryPars;
}
set { _QueryPars = value; }
}
public virtual List<JoinQueryInfo> JoinQueryInfos
{
get
{
_JoinQueryInfos = PubMethod.IsNullReturnNew(_JoinQueryInfos);
return _JoinQueryInfos;
}
set { _JoinQueryInfos = value; }
}
public virtual string TableShortName { get; set; }
public virtual List<string> WhereInfos
{
get
{
_WhereInfos = PubMethod.IsNullReturnNew(_WhereInfos);
return _WhereInfos;
}
set { _WhereInfos = value; }
}
#endregion
#region Lambada Type
public ResolveExpressType SelectType
{
get
{
return this.IsSingle() ? ResolveExpressType.SelectSingle : ResolveExpressType.SelectMultiple;
}
}
public ResolveExpressType WheretType
{
get
{
return this.IsSingle() ? ResolveExpressType.WhereSingle : ResolveExpressType.WhereMultiple;
}
}
#endregion
#region sql template
public virtual string SqlTemplate
{
get
@@ -44,27 +95,67 @@ namespace SqlSugar
return " {0} JOIN {1} {2} ON {3} ";
}
}
public virtual string GetTableNameString
#endregion
#region Common Methods
public virtual bool IsSingle()
{
get
{
var result= Builder.GetTranslationTableName(EntityName)+TableWithString;
if (this.TableShortName.IsValuable())
{
result += " " + TableShortName;
}
return result;
}
var isSingle = Builder.LambadaQueryBuilder.JoinQueryInfos.IsNullOrEmpty();
return isSingle;
}
public virtual ExpressionResult GetExpressionValue(Expression expression, ResolveExpressType resolveType)
{
ILambdaExpressions resolveExpress = this.LambdaExpressions;
resolveExpress.JoinQueryInfos = Builder.LambadaQueryBuilder.JoinQueryInfos;
resolveExpress.MappingColumns = Context.MappingColumns;
resolveExpress.MappingTables = Context.MappingTables;
resolveExpress.IgnoreComumnList = Context.IgnoreComumns;
resolveExpress.Resolve(expression, resolveType);
this.QueryPars.AddRange(resolveExpress.Parameters);
var reval = resolveExpress.Result;
return reval;
}
public virtual string ToSqlString()
{
Sql = new StringBuilder();
var tableString = GetTableNameString;
if (this.JoinQueryInfos.IsValuable())
{
tableString = tableString + " " + GetJoinValueString;
}
Sql.AppendFormat(SqlTemplate, GetSelectValue, tableString, GetWhereValueString);
return Sql.ToString();
}
public virtual string ToJoinString(JoinQueryInfo joinInfo)
{
return string.Format(
this.JoinTemplate,
joinInfo.JoinType.ToString(),
joinInfo.TableName,
joinInfo.ShortName + " " + joinInfo.TableWithString,
joinInfo.JoinWhere);
}
public virtual void Clear()
{
this.Skip = 0;
this.Take = 0;
this.Sql = null;
this.WhereIndex = 0;
this.QueryPars = null;
this.GroupByValue = null;
this._TableNameString = null;
this.WhereInfos = null;
this.JoinQueryInfos = null;
}
#endregion
public virtual string TableShortName { get; set; }
#region Get SQL Partial
public virtual string GetSelectValue
{
get
{
string reval = string.Empty;
if (this.SelectValue==null||this.SelectValue is string)
if (this.SelectValue == null || this.SelectValue is string)
{
reval = GetSelectValueByString();
}
@@ -72,8 +163,9 @@ namespace SqlSugar
{
reval = GetSelectValueByExpression();
}
if (ResolveType == ResolveExpressType.SelectMultiple) {
this.SelectCacheKey = this.SelectCacheKey+string.Join("-",this._JoinQueryInfos.Select(it => it.TableName));
if (this.SelectType == ResolveExpressType.SelectMultiple)
{
this.SelectCacheKey = this.SelectCacheKey + string.Join("-", this._JoinQueryInfos.Select(it => it.TableName));
}
return reval;
}
@@ -81,17 +173,8 @@ namespace SqlSugar
public virtual string GetSelectValueByExpression()
{
var expression = this.SelectValue as Expression;
ILambdaExpressions resolveExpress = this.LambdaExpressions;
var isSingle= Builder.LambadaQueryBuilder.JoinQueryInfos.IsValuable();
resolveExpress.JoinQueryInfos = Builder.LambadaQueryBuilder.JoinQueryInfos;
resolveExpress.MappingColumns = Context.MappingColumns;
resolveExpress.MappingTables = Context.MappingTables;
resolveExpress.IgnoreComumnList = Context.IgnoreComumns;
resolveExpress.Resolve(expression, ResolveType);
this.QueryPars.AddRange(resolveExpress.Parameters);
var reval= resolveExpress.Result.GetResultString();
var reval = GetExpressionValue(expression, this.SelectType).GetResultString();
this.SelectCacheKey = reval;
resolveExpress.Clear();
return reval;
}
public virtual string GetSelectValueByString()
@@ -114,7 +197,6 @@ namespace SqlSugar
return reval;
}
public virtual string GetWhereValueString
{
get
@@ -122,7 +204,7 @@ namespace SqlSugar
if (this.WhereInfos == null) return null;
else
{
return string.Join(" ", this.WhereInfos);
return string.Join(" ", this.WhereInfos);
}
}
}
@@ -137,66 +219,18 @@ namespace SqlSugar
}
}
}
public virtual string ToSqlString()
{
Sql = new StringBuilder();
var tableString = GetTableNameString;
if (this.JoinQueryInfos.IsValuable())
{
tableString = tableString + " " + GetJoinValueString;
}
Sql.AppendFormat(SqlTemplate, GetSelectValue, tableString, GetWhereValueString);
return Sql.ToString();
}
public virtual string ToJoinString(JoinQueryInfo joinInfo)
{
return string.Format(
this.JoinTemplate,
joinInfo.JoinType.ToString(),
joinInfo.TableName,
joinInfo.ShortName + " " + joinInfo.TableWithString,
joinInfo.JoinWhere);
}
public virtual List<string> WhereInfos
public virtual string GetTableNameString
{
get
{
_WhereInfos = PubMethod.IsNullReturnNew(_WhereInfos);
return _WhereInfos;
var result = Builder.GetTranslationTableName(EntityName) + TableWithString;
if (this.TableShortName.IsValuable())
{
result += " " + TableShortName;
}
return result;
}
set { _WhereInfos = value; }
}
public virtual List<SugarParameter> QueryPars
{
get
{
_QueryPars = PubMethod.IsNullReturnNew(_QueryPars);
return _QueryPars;
}
set { _QueryPars = value; }
}
public virtual List<JoinQueryInfo> JoinQueryInfos
{
get
{
_JoinQueryInfos = PubMethod.IsNullReturnNew(_JoinQueryInfos);
return _JoinQueryInfos;
}
set { _JoinQueryInfos = value; }
}
public virtual void Clear()
{
this.Skip = 0;
this.Take = 0;
this.Sql = null;
this.WhereIndex = 0;
this.QueryPars = null;
this.GroupByValue = null;
this._TableNameString = null;
this.WhereInfos = null;
this.JoinQueryInfos = null;
}
#endregion
}
}