public SubQueryColumn(QuerySource.SubQuery querySource, QueryField field)
{
QuerySource = querySource;
Field = field;
ParsingTracer.WriteLine(field);
}
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 Expr(SqlQuery sqlBilder, LambdaInfo lambda, params QuerySource[] baseQueries)
: base(sqlBilder, lambda, baseQueries)
{
if (lambda.Body is NewExpression)
{
var ex = (NewExpression)lambda.Body;
if (ex.Members == null)
{
return;
}
for (var i = 0; i < ex.Members.Count; i++)
{
var member = ex.Members[i];
if (member is MethodInfo)
{
member = TypeHelper.GetPropertyByMethod((MethodInfo)member);
}
var field =
GetBaseField(lambda, ex.Arguments[i]) ??
new ExprColumn(this, ex.Arguments[i], member.Name);
Fields.Add(field);
Members.Add(member, field);
}
}
else if (lambda.Body is MemberInitExpression)
{
var ex = (MemberInitExpression)lambda.Body;
for (var i = 0; i < ex.Bindings.Count; i++)
{
var binding = ex.Bindings[i];
var member = binding.Member;
if (member is MethodInfo)
{
member = TypeHelper.GetPropertyByMethod((MethodInfo)member);
}
if (binding is MemberAssignment)
{
var ma = binding as MemberAssignment;
var field = GetBaseField(lambda, ma.Expression) ?? new ExprColumn(this, ma.Expression, member.Name);
Fields.Add(field);
Members.Add(member, field);
}
else
{
throw new InvalidOperationException();
}
}
}
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 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 ExprColumn(QuerySource source, Expression expr, string alias)
{
QuerySource = source;
Expr = expr;
_alias = alias;
ParsingTracer.WriteLine(this);
}
public SubQuerySourceColumn(SubQuery querySource, QuerySource sourceColumn)
: base(sourceColumn.SqlQuery, sourceColumn.Lambda, sourceColumn.Sources)
{
QuerySource = querySource;
SourceColumn = sourceColumn;
ParsingTracer.WriteLine(sourceColumn);
}
public Column(QuerySource.Table table, SqlField field, MemberMapper mapper)
{
Field = field;
Table = table;
Mapper = mapper;
ParsingTracer.WriteLine(this);
}
public ExprColumn(QuerySource source, ISqlExpression expr, string alias)
{
QuerySource = source;
_sqlExpression = expr;
_alias = alias;
ParsingTracer.WriteLine("sql", this);
}
public Scalar(SqlQuery sqlBilder, LambdaInfo lambda, ISqlExpression field, params QuerySource[] baseQueries)
: base(sqlBilder, lambda, baseQueries)
{
_field = new ExprColumn(this, field, null);
Fields.Add(_field);
ParsingTracer.DecIndentLevel();
}
public Scalar(SqlQuery sqlBilder, LambdaInfo lambda, params QuerySource[] baseQueries)
: base(sqlBilder, lambda, baseQueries)
{
_field = GetBaseField(lambda, lambda.Body) ?? new ExprColumn(this, lambda.Body, null);
Fields.Add(_field);
ParsingTracer.DecIndentLevel();
}
public Table(MappingSchema mappingSchema, SqlQuery sqlQuery, Type type)
: base(sqlQuery, null)
{
OriginalType = type;
_objectType = GetObjectType(OriginalType, mappingSchema);
SqlTable = new SqlTable(mappingSchema, _objectType);
sqlQuery.From.Table(SqlTable);
Init(mappingSchema);
ParsingTracer.DecIndentLevel();
}
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 Table(MappingSchema mappingSchema, SqlQuery sqlQuery, LambdaInfo lambda)
: base(sqlQuery, lambda)
{
var type = TypeHelper.GetGenericType(typeof(IEnumerable <>), lambda.Body.Type);
OriginalType = type == null ? lambda.Body.Type : type.GetGenericArguments()[0];
_objectType = GetObjectType(OriginalType, mappingSchema);
SqlTable = new SqlTable(mappingSchema, _objectType);
sqlQuery.From.Table(SqlTable);
Init(mappingSchema);
ParsingTracer.DecIndentLevel();
}
Table(MappingSchema mappingSchema, SqlQuery sqlQuery, Association association, Table parent)
: base(sqlQuery, null)
{
var type = TypeHelper.GetMemberType(association.MemberAccessor.MemberInfo);
var left = association.CanBeNull;
var isList = false;
if (TypeHelper.IsSameOrParent(typeof(IEnumerable), type))
{
var etypes = TypeHelper.GetGenericArguments(type, typeof(IEnumerable));
type = etypes != null && etypes.Length > 0 ? etypes[0] : TypeHelper.GetListItemType(type);
isList = true;
}
OriginalType = type;
_objectType = GetObjectType(OriginalType, mappingSchema);
SqlTable = new SqlTable(mappingSchema, ObjectType);
var psrc = sqlQuery.From[parent.SqlTable];
var join = left ? SqlTable.WeakLeftJoin() : isList?SqlTable.InnerJoin() : SqlTable.WeakInnerJoin();
_parentAssociation = parent;
_parentAssociationJoin = join.JoinedTable;
psrc.Joins.Add(join.JoinedTable);
Init(mappingSchema);
for (var i = 0; i < association.ThisKey.Length; i++)
{
Column col1, col2;
if (!parent._columns.TryGetValue(association.ThisKey[i], out col1))
{
throw new LinqException("Association key '{0}' not found for type '{1}.", association.ThisKey[i], parent.ObjectType);
}
if (!_columns.TryGetValue(association.OtherKey[i], out col2))
{
throw new LinqException("Association key '{0}' not found for type '{1}.", association.OtherKey[i], ObjectType);
}
join.Field(col1.Field).Equal.Field(col2.Field);
}
ParsingTracer.DecIndentLevel();
}
public SubQuery(SqlQuery currentSql, SqlQuery subSql, QuerySource baseQuery, bool addToSource)
: base(currentSql, baseQuery.Lambda, baseQuery)
{
ParsingTracer.WriteLine(subSql);
SubSql = subSql;
if (addToSource)
{
SqlQuery.From.Table(subSql);
}
foreach (var field in baseQuery.Fields)
{
EnsureField(field);
}
ParsingTracer.DecIndentLevel();
}
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
}
public GroupByColumn(QuerySource.GroupBy groupBySource)
{
GroupBySource = groupBySource;
ParsingTracer.WriteLine("groupBy", this);
}