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- 优化 IUpdate.Set 表达式传入匿名类更新多个字段；

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This commit is contained in:
28810
2019-07-26 14:30:03 +08:00
parent 7460ffffaa
commit 4609c910dd
5 changed files with 43 additions and 24 deletions
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52
FreeSql/Internal/CommonProvider/UpdateProvider.cs
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@ -435,29 +435,41 @@ namespace FreeSql.Internal.CommonProvider
{
var body = exp?.Body;
var nodeType = body?.NodeType;
if (nodeType == ExpressionType.Equal)
switch (nodeType)
{
_set.Append(", ").Append(_commonExpression.ExpressionWhereLambdaNoneForeignObject(null, _table, null, exp, null));
return this;
}
if (nodeType == ExpressionType.MemberInit)
{
var initExp = body as MemberInitExpression;
if (initExp.Bindings?.Count > 0)
{
for (var a = 0; a < initExp.Bindings.Count; a++)
case ExpressionType.Equal:
_set.Append(", ").Append(_commonExpression.ExpressionWhereLambdaNoneForeignObject(null, _table, null, exp, null));
return this;
case ExpressionType.MemberInit:
var initExp = body as MemberInitExpression;
if (initExp.Bindings?.Count > 0)
{
var initAssignExp = (initExp.Bindings[a] as MemberAssignment);
if (initAssignExp == null) continue;
var memberName = initExp.Bindings[a].Member.Name;
if (_table.ColumnsByCsIgnore.ContainsKey(memberName)) continue;
if (_table.ColumnsByCs.TryGetValue(memberName, out var col) == false) throw new Exception($"找不到属性：{memberName}");
var memberValue = _commonExpression.ExpressionLambdaToSql(initAssignExp.Expression, new CommonExpression.ExpTSC { });
_setIncr.Append(", ").Append(_commonUtils.QuoteSqlName(col.Attribute.Name)).Append(" = ").Append(memberValue);
for (var a = 0; a < initExp.Bindings.Count; a++)
{
var initAssignExp = (initExp.Bindings[a] as MemberAssignment);
if (initAssignExp == null) continue;
var memberName = initExp.Bindings[a].Member.Name;
if (_table.ColumnsByCsIgnore.ContainsKey(memberName)) continue;
if (_table.ColumnsByCs.TryGetValue(memberName, out var col) == false) throw new Exception($"找不到属性：{memberName}");
var memberValue = _commonExpression.ExpressionLambdaToSql(initAssignExp.Expression, new CommonExpression.ExpTSC { });
_setIncr.Append(", ").Append(_commonUtils.QuoteSqlName(col.Attribute.Name)).Append(" = ").Append(memberValue);
}
}
}
return this;
return this;
case ExpressionType.New:
var newExp = body as NewExpression;
if (newExp.Members?.Count > 0)
{
for (var a = 0; a < newExp.Members.Count; a++)
{
var memberName = newExp.Members[a].Name;
if (_table.ColumnsByCsIgnore.ContainsKey(memberName)) continue;
if (_table.ColumnsByCs.TryGetValue(memberName, out var col) == false) throw new Exception($"找不到属性：{memberName}");
var memberValue = _commonExpression.ExpressionLambdaToSql(newExp.Arguments[a], new CommonExpression.ExpTSC { });
_setIncr.Append(", ").Append(_commonUtils.QuoteSqlName(col.Attribute.Name)).Append(" = ").Append(memberValue);
}
}
return this;
}
if (body is BinaryExpression == false &&
nodeType != ExpressionType.Call) return this;