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optimize internal methods

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28810 2020-09-19 07:26:24 +08:00
parent ce15c121db
commit 63dccf3e4c
1 changed files with 43 additions and 43 deletions
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86
FreeSql/Internal/CommonProvider/SelectProvider/Select0Provider.cs
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@ -124,6 +124,49 @@ namespace FreeSql.Internal.CommonProvider
to._whereCascadeExpression = new List<LambdaExpression>(from._whereCascadeExpression.ToArray());
to._whereGlobalFilter = new List<GlobalFilter.Item>(from._whereGlobalFilter.ToArray());
}
public Expression ConvertStringPropertyToExpression(string property)
{
if (string.IsNullOrEmpty(property)) return null;
var field = property.Split('.').Select(a => a.Trim()).ToArray();
Expression exp = null;
if (field.Length == 1)
{
foreach (var tb in _tables)
{
if (tb.Table.ColumnsByCs.TryGetValue(field[0], out var col) &&
tb.Table.Properties.TryGetValue(field[0], out var prop))
{
tb.Parameter = Expression.Parameter(tb.Table.Type, tb.Alias);
exp = Expression.MakeMemberAccess(tb.Parameter, prop);
break;
}
}
if (exp == null) throw new Exception($"无法匹配 {property}");
}
else
{
var firstTb = _tables[0];
var firstTbs = _tables.Where(a => a.AliasInit == field[0]).ToArray();
if (firstTbs.Length == 1) firstTb = firstTbs[0];
firstTb.Parameter = Expression.Parameter(firstTb.Table.Type, firstTb.Alias);
var currentType = firstTb.Table.Type;
Expression currentExp = firstTb.Parameter;
for (var x = 0; x < field.Length; x++)
{
var tmp1 = field[x];
if (_commonUtils.GetTableByEntity(currentType).Properties.TryGetValue(tmp1, out var prop) == false)
throw new ArgumentException($"{currentType.DisplayCsharp()} 无法找到属性名 {tmp1}");
currentType = prop.PropertyType;
currentExp = Expression.MakeMemberAccess(currentExp, prop);
}
exp = currentExp;
}
return exp;
}
}
public abstract partial class Select0Provider<TSelect, T1> : Select0Provider, ISelect0<TSelect, T1> where TSelect : class where T1 : class
@ -442,49 +485,6 @@ namespace FreeSql.Internal.CommonProvider
return this as TSelect;
}
public Expression ConvertStringPropertyToExpression(string property)
{
if (string.IsNullOrEmpty(property)) return null;
var field = property.Split('.').Select(a => a.Trim()).ToArray();
Expression exp = null;
if (field.Length == 1)
{
foreach (var tb in _tables)
{
if (tb.Table.ColumnsByCs.TryGetValue(field[0], out var col) &&
tb.Table.Properties.TryGetValue(field[0], out var prop))
{
tb.Parameter = Expression.Parameter(tb.Table.Type, tb.Alias);
exp = Expression.MakeMemberAccess(tb.Parameter, prop);
break;
}
}
if (exp == null) throw new Exception($"无法匹配 {property}");
}
else
{
var firstTb = _tables[0];
var firstTbs = _tables.Where(a => a.AliasInit == field[0]).ToArray();
if (firstTbs.Length == 1) firstTb = firstTbs[0];
firstTb.Parameter = Expression.Parameter(firstTb.Table.Type, firstTb.Alias);
var currentType = firstTb.Table.Type;
Expression currentExp = firstTb.Parameter;
for (var x = 0; x < field.Length; x++)
{
var tmp1 = field[x];
if (_commonUtils.GetTableByEntity(currentType).Properties.TryGetValue(tmp1, out var prop) == false)
throw new ArgumentException($"{currentType.DisplayCsharp()} 无法找到属性名 {tmp1}");
currentType = prop.PropertyType;
currentExp = Expression.MakeMemberAccess(currentExp, prop);
}
exp = currentExp;
}
return exp;
}
public TSelect OrderByPropertyName(string property, bool isAscending = true) => OrderByPropertyNameIf(true, property, isAscending);
public TSelect OrderByPropertyNameIf(bool condition, string property, bool isAscending = true)
{