26 references to IsNull
System.Data.Linq (26)
SqlClient\Common\SqlNode.cs (1)
901case SqlNodeType.IsNull:
SqlClient\Common\SqlNodeTypeOperators.cs (2)
18case SqlNodeType.IsNull: 49case SqlNodeType.IsNull:
SqlClient\Common\SqlVisitor.cs (1)
30case SqlNodeType.IsNull:
SqlClient\Query\QueryConverter.cs (1)
1384whens.Add(new SqlWhen(sql.Unary(SqlNodeType.IsNull, left, left.SourceExpression), right));
SqlClient\Query\SimpleExpression.cs (1)
45case SqlNodeType.IsNull:
SqlClient\Query\SqlBinder.cs (7)
179return this.VisitUnaryOperator(this.sql.Unary(SqlNodeType.IsNull, bo.Right, bo.SourceExpression)); 182return this.VisitUnaryOperator(this.sql.Unary(SqlNodeType.IsNull, bo.Left, bo.SourceExpression)); 539if (uo.NodeType == SqlNodeType.IsNull || uo.NodeType == SqlNodeType.IsNotNull) { 593else if (uo.NodeType == SqlNodeType.IsNull || uo.NodeType == SqlNodeType.IsNotNull) { 602if (uo.NodeType == SqlNodeType.IsNull) { 610if (uo.NodeType == SqlNodeType.IsNull) { 650return sql.Value(typeof(bool), this.typeProvider.From(typeof(int)), (val.Value == null) == (uo.NodeType == SqlNodeType.IsNull), val.IsClientSpecified, uo.SourceExpression);
SqlClient\Query\SqlBooleanMismatchVisitor.cs (1)
141case SqlNodeType.IsNull:
SqlClient\Query\SqlCaseSimplifier.cs (1)
201rewrite = sql.OrAccumulate(rewrite, sql.Unary(SqlNodeType.IsNull, discriminator, discriminator.SourceExpression));
SqlClient\Query\SqlComparer.cs (1)
58case SqlNodeType.IsNull:
SqlClient\Query\SqlExpressionNullability.cs (1)
55case SqlNodeType.IsNull:
SqlClient\Query\SqlFormatter.cs (2)
153case SqlNodeType.IsNull: 1342case SqlNodeType.IsNull: return "IS NULL";
SqlClient\Query\Translator.cs (6)
390sql.Unary(SqlNodeType.IsNull, (SqlExpression)SqlDuplicator.Copy(left)), 391sql.Unary(SqlNodeType.IsNull, (SqlExpression)SqlDuplicator.Copy(right)) 414sql.Unary(SqlNodeType.IsNull, (SqlExpression)SqlDuplicator.Copy(left)), 415sql.Unary(SqlNodeType.IsNull, (SqlExpression)SqlDuplicator.Copy(right)) 447System.Diagnostics.Debug.Assert(expr.NodeType == SqlNodeType.IsNull || expr.NodeType == SqlNodeType.IsNotNull); 458SqlNodeType combo = (expr.NodeType == SqlNodeType.IsNull) ? SqlNodeType.Or : SqlNodeType.And;
SqlClient\SqlTypeSystemProvider.cs (1)
1056case SqlNodeType.IsNull: