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反射+缓存性能优化，接近dapper

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This commit is contained in:
28810
2019-01-15 18:36:43 +08:00
parent 57088da71b
commit ed239835c6
13 changed files with 98 additions and 23 deletions
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15
FreeSql/Internal/CommonProvider/SelectProvider/Select0Provider.cs
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@ -1,5 +1,6 @@
using FreeSql.Internal.Model;
using System;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.Data;
using System.Data.Common;
@ -220,14 +221,18 @@ namespace FreeSql.Internal.CommonProvider {
}
protected (ReadAnonymousTypeInfo map, string field) GetAllField() {
var type = typeof(T1);
var map = new ReadAnonymousTypeInfo { Consturctor = type.GetConstructor(new Type[0]), ConsturctorType = ReadAnonymousTypeInfoConsturctorType.Properties };
if (Utils._dicClassConstructor.TryGetValue(type, out var classInfo) == false) {
classInfo = new Utils._dicClassConstructorInfo { Constructor = type.GetConstructor(new Type[0]), Properties = type.GetProperties() };
Utils._dicClassConstructor.TryAdd(type, classInfo);
}
var map = new ReadAnonymousTypeInfo { Consturctor = classInfo.Constructor, ConsturctorType = ReadAnonymousTypeInfoConsturctorType.Properties };
var field = new StringBuilder();
var dicfield = new Dictionary<string, bool>();
var tb = _tables.First();
var index = 0;
var ps = typeof(T1).GetProperties();
var ps = classInfo.Properties;
foreach (var p in ps) {
var child = new ReadAnonymousTypeInfo { CsName = p.Name };
var child = new ReadAnonymousTypeInfo { Property = p, CsName = p.Name };
if (tb.Table.ColumnsByCs.TryGetValue(p.Name, out var col)) { //普通字段
if (index > 0) field.Append(", ");
var quoteName = _commonUtils.QuoteSqlName(col.Attribute.Name);
@ -248,7 +253,9 @@ namespace FreeSql.Internal.CommonProvider {
++index;
if (dicfield.ContainsKey(quoteName)) field.Append(" as").Append(index);
else dicfield.Add(quoteName, true);
child.Childs.Add(new ReadAnonymousTypeInfo { CsName = col2.CsName });
child.Childs.Add(new ReadAnonymousTypeInfo {
Property = tb2.Table.Type.GetProperty(col2.CsName, BindingFlags.Public | BindingFlags.IgnoreCase | BindingFlags.Instance),
CsName = col2.CsName });
}
}
map.Childs.Add(child);