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- 完善 ExpressionCall 自定义表达式功能；

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This commit is contained in:
28810
2019-11-23 19:02:38 +08:00
parent 5961479f2a
commit defab45624
6 changed files with 26 additions and 8 deletions
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8
FreeSql/Internal/CommonExpression.cs
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@ -500,6 +500,7 @@ namespace FreeSql.Internal
return $"{left} {oper} {right}";
}
static ConcurrentDictionary<Type, bool> _dicTypeExistsExpressionCallAttribute = new ConcurrentDictionary<Type, bool>();
static ConcurrentDictionary<Type, ConcurrentDictionary<string, bool>> _dicMethodExistsExpressionCallAttribute = new ConcurrentDictionary<Type, ConcurrentDictionary<string, bool>>();
static ConcurrentDictionary<Type, FieldInfo[]> _dicTypeExpressionCallClassContextFields = new ConcurrentDictionary<Type, FieldInfo[]>();
public string ExpressionLambdaToSql(Expression exp, ExpTSC tsc)
{
@ -541,9 +542,12 @@ namespace FreeSql.Internal
case ExpressionType.Call:
tsc.mapType = null;
var exp3 = exp as MethodCallExpression;
if (exp3.Object == null && _dicTypeExistsExpressionCallAttribute.GetOrAdd(exp3.Method.DeclaringType, dttp => dttp.GetCustomAttributes(typeof(ExpressionCallAttribute), true).Any()))
if (exp3.Object == null && (
_dicTypeExistsExpressionCallAttribute.GetOrAdd(exp3.Method.DeclaringType, dttp => dttp.GetCustomAttributes(typeof(ExpressionCallAttribute), true).Any()) ||
exp3.Method.GetCustomAttributes(typeof(ExpressionCallAttribute), true).Any()
))
{
var ecc = new ExpressionCallContext { DataType = _ado.DataType };
var ecc = new ExpressionCallContext { DataType = _ado.DataType, UserParameters = tsc.dbParams == null ? null : new List<DbParameter>() };
var exp3MethodParams = exp3.Method.GetParameters();
var dbParamsIndex = tsc.dbParams?.Count;
ecc.ParsedContent.Add(exp3MethodParams[0].Name, ExpressionLambdaToSql(exp3.Arguments[0], tsc));