public BinaryExpression ToEqualExpression(object obj, TableExpression table = null)
{
var value = GetValue(obj);
return Expression.MakeBinary(ExpressionType.Equal, ToColumnExpression(table), Expression.Constant(value));
}
public ColumnExpression(string columnName, TableExpression table, Type type)
: base(ExpressionType.Constant, type)
{
ColumnName = new ObjectNameExpression(columnName);
Table = table;
}
public ColumnExpression ToColumnExpression(TableExpression table = null, Type type = null)
{
if (type == null)
type = PropertyName == null ? typeof (Type) : DeclaringTypes[0].GetProperty(PropertyName).PropertyType;
return new ColumnExpression(ColumnName, table, type);
}
public CreateIndexExpression(string name, TableExpression table)
{
Name = name;
Table = table;
}
public ColumnExpression(string columnName, TableExpression table, Type type) : base(ExpressionType.Constant, type)
{
ColumnName = new ObjectNameExpression(columnName);
Table = table;
}
public DropTableExpression(TableExpression table)
{
Table = table;
}
public CreateTableExpression(TableExpression table)
{
Table = table;
}
public AlterTableExpression(TableExpression table)
: base(table)
{
}
public AlterTableExpression(TableExpression table) : base(table)
{
}
public JoinExpression(JoinType joinType, TableExpression table = null)
{
JoinType = joinType;
Table = table;
}
public DropTableExpression(TableExpression table)
{
Table = table;
}
public JoinExpression(JoinType joinType, TableExpression table = null)
{
JoinType = joinType;
Table = table;
}
protected virtual Expression VisitTable(TableExpression node)
{
var pattern = _useAliases ? "{0} {1}" : "{0}";
Append(string.Format(pattern, node.Table.FullNameWithBrackets, node.Alias));
return node;
}
public CreateIndexExpression(string name, TableExpression table)
{
Name = name;
Table = table;
}