SchemaModel.Table GetTable()
{
while (true)
{
var memExp = (MemberExpression)_memberInfos.Peek();
_tableMember = memExp.Member;
Type type = null;
if (_tableMember.MemberType == MemberTypes.Field)
{
type = ((FieldInfo)_tableMember).FieldType;
}
else
{
type = ((PropertyInfo)_tableMember).PropertyType;
}
if (TypeHelper.IsCompilerGenerated(type))
{
_memberInfos.Pop();
continue;
}
if (TableInfoManager.IsEntity(type))
{
_memberInfos.Pop();
return(GetTable(type));
}
return(null);
}
_tableMember = ((MemberExpression)_memberInfos.Pop()).Member;
var tableType = ((PropertyInfo)_tableMember).PropertyType;
return(GetTable(tableType));
}
protected override Expression VisitParameter(ParameterExpression node)
{
var type = node.Type;
while (!TableInfoManager.IsEntity(type))
{
var exp = _memberExpressions.Pop();
type = exp.Type;
}
ParseEntityType(type);
return(node);
}
protected override Expression VisitParameter(ParameterExpression node)
{
var column = new Column();
if (TableInfoManager.IsEntity(node.Type))
{
//弹出第一个参数，一般是列
var table = GetTable(node.Type);
var _memberInfo = ((MemberExpression)_memberInfos.Pop()).Member;
column.DataType = ((PropertyInfo)_memberInfo).PropertyType;
column.Name = table.Columns.Get(_memberInfo.Name).Name;
column.MemberInfo = _memberInfo;
var tableAlias = node.Name;
if (_joins != null)
{
if (_joins.ContainsKey(tableAlias))
{
tableAlias = _joins[tableAlias].Right.Table.Alias;
}
}
else
{
tableAlias = table.Name;
}
column.Table = CreateTable(tableAlias, table.DataBase, table.Name, table.Type);
while (_memberInfos.Count > 0)
{
var exp = _memberInfos.Pop();
switch (exp.NodeType)
{
case ExpressionType.MemberAccess:
var memberInfo = ((MemberExpression)exp).Member;
column.Converters.Push(new ColumnConverter(memberInfo, new List <object>()));
break;
default:
throw new Exception();
}
}
//column.Converter = GetConverter(null);
}
else
{
SchemaModel.Table tableInfo = GetTable();
MemberInfo columnMember = null;
var tableAlias = string.Empty;
Table table = null;
if (tableInfo != null)
{
tableAlias = _tableMember.Name;
columnMember = ((MemberExpression)_memberInfos.Pop()).Member;
if (_joins != null)
{
if (_joins.ContainsKey(tableAlias))
{
tableAlias = _joins[tableAlias].Right.Table.Alias;
}
}
else
{
tableAlias = tableInfo.Name;
}
table = CreateTable(tableAlias, tableInfo.DataBase, tableInfo.Name, tableInfo.Type);
}
else
{
columnMember = ((MemberExpression)_memberInfos.Pop()).Member;
table = _columns.Get(columnMember.Name).Table;
tableAlias = table.Alias;
tableInfo = GetTable(table.Type);
}
//if (_memberInfos.Count > 1)
//{
// tableInfo = GetTable();
//}
//else
//{
//}
var columnType = ((PropertyInfo)columnMember).PropertyType;
var columnName = string.Empty;
var columnSechma = tableInfo.Columns.Get(columnMember.Name);
if (columnSechma != null)
{
columnName = columnSechma.Name;
}
else
{
columnName = Context.Columns.Get(columnMember.Name).Name;
}
column = new Column()
{
DataType = columnType,
Name = columnName,
Table = table,
MemberInfo = columnMember
};
while (_memberInfos.Count > 0)
{
var exp = _memberInfos.Pop();
switch (exp.NodeType)
{
case ExpressionType.MemberAccess:
var memberInfo = ((MemberExpression)exp).Member;
column.Converters.Push(new ColumnConverter(memberInfo, new List <object>()));
break;
default:
throw new Exception();
}
}
//column.Converter = GetConverter(null);
}
Token = Token.Create(column);
return(node);
}
protected override Expression VisitParameter(ParameterExpression node)
{
//MemberExpressionType = MemberExpressionType.Column;
if (TableInfoManager.IsEntity(node.Type))
{
//弹出第一个参数，一般是列
var table = GetTable(node.Type);
var _memberInfo = _memberInfoStack.Pop();
SelectedColumn.DataType = ((PropertyInfo)_memberInfo).PropertyType;
SelectedColumn.Name = table.Columns.Get(_memberInfo.Name).Name;
SelectedColumn.MemberInfo = _memberInfo;
var tableAlias = node.Name;
if (_Joins != null)
{
if (_Joins.ContainsKey(tableAlias))
{
tableAlias = _Joins[tableAlias].Right.Table.Alias;
}
}
else
{
tableAlias = table.Name;
}
SelectedColumn.Table = CreateTable(tableAlias, table.DataBase, table.Name, table.Type);
while (_memberInfoStack.Count > 0)
{
var propertyInfo = (MemberInfo)_memberInfoStack.Pop();
SelectedColumn.Converters.Push(new ColumnConverter(propertyInfo, new List <object>()));
}
//SelectedColumn.Converter = GetConverter();
}
else
{
var tableInfo = GetTable();
var columnMember = _memberInfoStack.Pop();
var columnType = ((PropertyInfo)columnMember).PropertyType;
var tableAlias = _tableMember.Name;
if (_Joins != null)
{
if (_Joins.ContainsKey(tableAlias))
{
tableAlias = _Joins[tableAlias].Right.Table.Alias;
}
}
else
{
tableAlias = tableInfo.Name;
}
var table = CreateTable(tableAlias, tableInfo.DataBase, tableInfo.Name, tableInfo.Type);
SelectedColumn = new Column()
{
DataType = columnType,
Name = tableInfo.Columns.Get(columnMember.Name).Name,
Table = table,
MemberInfo = columnMember
};
while (_memberInfoStack.Count > 0)
{
var exp = _memberInfoStack.Pop();
SelectedColumn.Converters.Push(new ColumnConverter(exp, new List <object>()));
}
//SelectedColumn.Converter = GetConverter();
}
return(node);
}