public override FieldIndex[] Select <T>(ExpressionParser <T> parser)
{
ParsingTracer.WriteLine(this);
ParsingTracer.WriteLine(QuerySource);
ParsingTracer.IncIndentLevel();
if (_index == null)
{
SetSubIndex(parser);
_index = new FieldIndex[_subIndex.Length];
for (var i = 0; i < _subIndex.Length; i++)
{
var col = QuerySource.SubSql.Select.Columns[_subIndex[i].Index];
_index[i] = new FieldIndex {
Index = QuerySource.SqlQuery.Select.Add(col), Field = this
};
}
}
ParsingTracer.DecIndentLevel();
ParsingTracer.WriteLine(QuerySource);
return(_index);
}
public GroupBy(
SqlQuery sqlQuery,
QuerySource groupQuery,
QuerySource originalQuery,
LambdaInfo keySelector,
QuerySource elementSource,
Type groupingType,
bool isWrapped,
ISqlExpression[] byExpressions)
: base(sqlQuery, keySelector, groupQuery)
{
ParsingTracer.IncIndentLevel();
OriginalQuery = originalQuery;
ElementSource = elementSource;
GroupingType = groupingType;
IsWrapped = isWrapped;
ByExpressions = byExpressions;
var field = new GroupByColumn(this);
Fields.Add(field);
Members.Add(groupingType.GetProperty("Key"), field);
ParsingTracer.DecIndentLevel();
}
public override FieldIndex[] Select <T>(ExpressionParser <T> parser)
{
ParsingTracer.WriteLine(this);
ParsingTracer.IncIndentLevel();
if (_indexes == null)
{
var indexes = new List <FieldIndex>(Fields.Count);
foreach (var field in Fields)
{
foreach (var idx in field.Select(parser))
{
indexes.Add(new FieldIndex {
Index = idx.Index, Field = field
});
}
}
_indexes = indexes.ToArray();
}
ParsingTracer.DecIndentLevel();
return(_indexes);
}
public override FieldIndex[] Select <T>(ExpressionParser <T> _)
{
ParsingTracer.WriteLine(this);
ParsingTracer.WriteLine("table", Table);
ParsingTracer.IncIndentLevel();
var index = new[] { new FieldIndex {
Index = Table.SqlQuery.Select.Add(Field, Field.Alias), Field = this
} };
ParsingTracer.DecIndentLevel();
ParsingTracer.WriteLine("table", Table);
return(index);
}
public override FieldIndex[] Select <T>(ExpressionParser <T> parser)
{
ParsingTracer.WriteLine(this);
ParsingTracer.WriteLine(GroupBySource.BaseQuery);
ParsingTracer.IncIndentLevel();
if (_index == null)
{
_index = GroupBySource.BaseQuery.Select(parser);
}
ParsingTracer.DecIndentLevel();
ParsingTracer.WriteLine(GroupBySource.BaseQuery);
return(_index);
}
public override FieldIndex[] Select <T>(ExpressionParser <T> parser)
{
ParsingTracer.WriteLine(this);
ParsingTracer.WriteLine(QuerySource);
ParsingTracer.IncIndentLevel();
if (_index == null)
{
if (_sqlExpression == null)
{
_sqlExpression = Parse(parser, QuerySource.Sources);
}
_index = new[] { new FieldIndex {
Index = QuerySource.SqlQuery.Select.Add(_sqlExpression, _alias), Field = this
} };
}
ParsingTracer.DecIndentLevel();
ParsingTracer.WriteLine(QuerySource);
return(_index);
}
protected QuerySource(SqlQuery sqlQuery, LambdaInfo lambda, params QuerySource[] baseQueries)
{
SqlQuery = sqlQuery;
Lambda = lambda;
_sources = baseQueries;
#if DEBUG && TRACE_PARSING
ParsingTracer.WriteLine(lambda);
ParsingTracer.WriteLine(this);
foreach (var query in baseQueries)
{
ParsingTracer.WriteLine("base", query);
}
foreach (var field in Fields)
{
ParsingTracer.WriteLine("field ", field);
}
ParsingTracer.IncIndentLevel();
#endif
}
