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sunkaixuan 2017-09-15 18:22:02 +08:00
parent d0de8d486f
commit 99ee375619
1 changed files with 51 additions and 48 deletions
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99
Src/Asp.Net/SqlSugar/ExpressionsToSql/ResolveItems/MemberExpressionResolve.cs
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@ -12,11 +12,9 @@ namespace SqlSugar
{
var baseParameter = parameter.BaseParameter;
var expression = base.Expression as MemberExpression;
var memberName = expression.Member.Name;
var childExpression = expression.Expression as MemberExpression;
var memberName = expression.Member.Name;
var childIsMember = childExpression != null;
string fieldName = string.Empty;
var isLeft = parameter.IsLeft;
var isSetTempData = baseParameter.CommonTempData.IsValuable() && baseParameter.CommonTempData.Equals(CommonTempDataType.Result);
var isValue = memberName == "Value" && expression.Member.DeclaringType.Name == "Nullable`1";
@ -32,74 +30,79 @@ namespace SqlSugar
if (isLength)
{
ResolveLength(parameter, isLeft, expression); return;
ResolveLength(parameter, isLeft, expression);
}
else if (isHasValue)
{
ResolveHasValue(parameter, expression); return;
ResolveHasValue(parameter, expression);
}
else if (isDateValue)
{
ResolveDateValue(parameter, isLeft, expression); return;
ResolveDateValue(parameter, isLeft, expression);
}
else if (isValueBool)
{
ResolveValueBool(parameter, baseParameter, expression, out fieldName, isLeft, isSingle); return;
ResolveValueBool(parameter, baseParameter, expression,isLeft, isSingle);
}
else if (isValue)
{
ResolveValue(parameter, baseParameter, expression, fieldName, isLeft, isSetTempData, isSingle); return;
ResolveValue(parameter, baseParameter, expression, isLeft, isSetTempData, isSingle);
}
else if (isDateDate)
{
ResolveDateDate(parameter, isLeft, expression); return;
ResolveDateDate(parameter, isLeft, expression);
}
else if (isMemberValue)
{
ResolveMemberValue(parameter, baseParameter, isLeft, isSetTempData, expression); return;
ResolveMemberValue(parameter, baseParameter, isLeft, isSetTempData, expression);
}
baseParameter.ChildExpression = expression;
switch (parameter.Context.ResolveType)
else
{
case ResolveExpressType.SelectSingle:
fieldName = GetSingleName(parameter, expression, isLeft);
if (isSetTempData)
baseParameter.CommonTempData = fieldName;
else
baseParameter.ChildExpression = expression;
string fieldName = string.Empty;
switch (parameter.Context.ResolveType)
{
case ResolveExpressType.SelectSingle:
fieldName = GetSingleName(parameter, expression, isLeft);
if (isSetTempData)
baseParameter.CommonTempData = fieldName;
else
base.Context.Result.Append(fieldName);
break;
case ResolveExpressType.SelectMultiple:
fieldName = GetMultipleName(parameter, expression, isLeft);
if (isSetTempData)
baseParameter.CommonTempData = fieldName;
else
base.Context.Result.Append(fieldName);
break;
case ResolveExpressType.WhereSingle:
case ResolveExpressType.WhereMultiple:
ResolveWhereLogic(parameter, baseParameter, expression, isLeft, isSetTempData, isSingle);
break;
case ResolveExpressType.FieldSingle:
fieldName = GetSingleName(parameter, expression, isLeft);
base.Context.Result.Append(fieldName);
break;
case ResolveExpressType.SelectMultiple:
fieldName = GetMultipleName(parameter, expression, isLeft);
if (isSetTempData)
baseParameter.CommonTempData = fieldName;
else
break;
case ResolveExpressType.FieldMultiple:
fieldName = GetMultipleName(parameter, expression, isLeft);
base.Context.Result.Append(fieldName);
break;
case ResolveExpressType.WhereSingle:
case ResolveExpressType.WhereMultiple:
ResolveWhereLogic(parameter, baseParameter, expression, fieldName, isLeft, isSetTempData, isSingle);
break;
case ResolveExpressType.FieldSingle:
fieldName = GetSingleName(parameter, expression, isLeft);
base.Context.Result.Append(fieldName);
break;
case ResolveExpressType.FieldMultiple:
fieldName = GetMultipleName(parameter, expression, isLeft);
base.Context.Result.Append(fieldName);
break;
case ResolveExpressType.ArrayMultiple:
case ResolveExpressType.ArraySingle:
fieldName = GetName(parameter, expression, isLeft, parameter.Context.ResolveType == ResolveExpressType.ArraySingle);
base.Context.Result.Append(fieldName);
break;
default:
break;
break;
case ResolveExpressType.ArrayMultiple:
case ResolveExpressType.ArraySingle:
fieldName = GetName(parameter, expression, isLeft, parameter.Context.ResolveType == ResolveExpressType.ArraySingle);
base.Context.Result.Append(fieldName);
break;
default:
break;
}
}
}
#region Resolve Where
private void ResolveWhereLogic(ExpressionParameter parameter, ExpressionParameter baseParameter, MemberExpression expression, string fieldName, bool? isLeft, bool isSetTempData, bool isSingle)
private void ResolveWhereLogic(ExpressionParameter parameter, ExpressionParameter baseParameter, MemberExpression expression, bool? isLeft, bool isSetTempData, bool isSingle)
{
string fieldName = string.Empty;
if (isSetTempData)
{
fieldName = GetName(parameter, expression, null, isSingle);
@ -122,17 +125,17 @@ namespace SqlSugar
#endregion
#region Resolve special member
private MemberExpression ResolveValue(ExpressionParameter parameter, ExpressionParameter baseParameter, MemberExpression expression, string fieldName, bool? isLeft, bool isSetTempData, bool isSingle)
private MemberExpression ResolveValue(ExpressionParameter parameter, ExpressionParameter baseParameter, MemberExpression expression, bool? isLeft, bool isSetTempData, bool isSingle)
{
expression = expression.Expression as MemberExpression;
baseParameter.ChildExpression = expression;
ResolveWhereLogic(parameter, baseParameter, expression, fieldName, isLeft, isSetTempData, isSingle);
ResolveWhereLogic(parameter, baseParameter, expression, isLeft, isSetTempData, isSingle);
return expression;
}
private void ResolveValueBool(ExpressionParameter parameter, ExpressionParameter baseParameter, MemberExpression expression, out string fieldName, bool? isLeft, bool isSingle)
private void ResolveValueBool(ExpressionParameter parameter, ExpressionParameter baseParameter, MemberExpression expression, bool? isLeft, bool isSingle)
{
fieldName = GetName(parameter, expression.Expression as MemberExpression, isLeft, isSingle);
string fieldName = GetName(parameter, expression.Expression as MemberExpression, isLeft, isSingle);
if (expression.Type == UtilConstants.BoolType && baseParameter.OperatorValue.IsNullOrEmpty())
{
fieldName = "( " + fieldName + "=1 )";