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增加 int.Parse Guid.Parse 系列转换、Guid.NewGuid、new Random.NextDouble 等表达式函数解析

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This commit is contained in:
28810
2019-03-18 12:16:09 +08:00
parent e23ae9d7ac
commit 8372f96ab1
13 changed files with 537 additions and 70 deletions
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11
FreeSql/Internal/CommonExpression.cs
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@ -215,7 +215,10 @@ namespace FreeSql.Internal {
case ExpressionType.Not: return $"not({ExpressionLambdaToSql((exp as UnaryExpression)?.Operand, _tables, _selectColumnMap, getSelectGroupingMapString, tbtype, isQuoteName)})";
case ExpressionType.Quote: return ExpressionLambdaToSql((exp as UnaryExpression)?.Operand, _tables, _selectColumnMap, getSelectGroupingMapString, tbtype, isQuoteName);
case ExpressionType.Lambda: return ExpressionLambdaToSql((exp as LambdaExpression)?.Body, _tables, _selectColumnMap, getSelectGroupingMapString, tbtype, isQuoteName);
case ExpressionType.Convert: return ExpressionLambdaToSql((exp as UnaryExpression)?.Operand, _tables, _selectColumnMap, getSelectGroupingMapString, tbtype, isQuoteName);
case ExpressionType.Convert:
var othercExp = ExpressionLambdaToSqlOther(exp, _tables, _selectColumnMap, getSelectGroupingMapString, tbtype, isQuoteName);
if (string.IsNullOrEmpty(othercExp) == false) return othercExp;
return ExpressionLambdaToSql((exp as UnaryExpression)?.Operand, _tables, _selectColumnMap, getSelectGroupingMapString, tbtype, isQuoteName);
case ExpressionType.Negate:
case ExpressionType.NegateChecked: return "-" + ExpressionLambdaToSql((exp as UnaryExpression)?.Operand, _tables, _selectColumnMap, getSelectGroupingMapString, tbtype, isQuoteName);
case ExpressionType.Constant: return _common.FormatSql("{0}", (exp as ConstantExpression)?.Value);
@ -461,7 +464,7 @@ namespace FreeSql.Internal {
MethodCallExpression callExp = null;
var exp2 = exp4.Expression;
while (true) {
switch(exp2.NodeType) {
switch(exp2?.NodeType) {
case ExpressionType.Constant:
expStack.Push(exp2);
break;
@ -514,6 +517,10 @@ namespace FreeSql.Internal {
finds = _tables.Where(a2 => (isa && a2.Parameter != null || !isa && a2.Parameter == null) &&
a2.Table.Type == tbtmp.Type && a2.Alias == alias && a2.Alias.StartsWith($"{navdot[0].Alias}__") &&
(isthis && a2.Type != SelectTableInfoType.Parent || !isthis && a2.Type == SelectTableInfoType.Parent)).ToArray();
if (finds.Length == 0)
finds = _tables.Where(a2 =>
a2.Table.Type == tbtmp.Type && a2.Alias == alias && a2.Alias.StartsWith($"{navdot[0].Alias}__") &&
(isthis && a2.Type != SelectTableInfoType.Parent || !isthis && a2.Type == SelectTableInfoType.Parent)).ToArray();
} else {
finds = _tables.Where(a2 => (isa && a2.Parameter != null || isa && a2.Parameter == null) &&
a2.Table.Type == tbtmp.Type && a2.Alias == alias).ToArray();