1 2007-12-24 Konstantin Triger <kostat@mainsoft.com>
3 * Parser.jay, StringFunctions.cs, Like.cs: add support for string concat.
5 2007-07-26 Nagappan A <anagappan@novell.com>
7 * Comparison.cs (Compare): Should always parse the object of type
8 DateTime in InvariantCulture CultureInfo, Fixes Bug # 82109.
10 2007-06-06 Nagappan A <anagappan@novell.com>
12 * ColumnReference.cs (Unify): Return object as it is, if object
13 type is char. Fixes bug # 81625.
15 * Numeric.cs (IsNumeric): Return false if object type is
16 char. Fixes bug # 81625.
18 2007-02-23 Nagappan A <anagappan@novell.com>
20 * Comparison.cs (Compare): Extra space characters issue when using
21 System.Data.DataTable.Select. Fixes bug # 79695.
23 2006-12-07 Nagappan A <anagappan@novell.com>
25 * Parser.jay (ColumnName): Fix Invalid DataColumn Expression, bug
28 2006-06-15 Senganal T <tsenganal@novell.com>
31 - EvalBoolean : throw EvaluateException unless overridden.
32 - UnaryExpression.EvalBoolean : override EvalBoolean
33 * Like.cs, In.cs, ColumnReference.cs : override EvalBoolean
35 2006-06-09 Juraj Skripsky <js@hotfeet.ch>
37 * Tokenizer.cs (ProcessEscapes): Inspect the next character, not the one
40 2006-05-02 Senganal T <tsenganal@novell.com>
42 * Parser.jay : fix the rule for IsNull. Fixes bug #78254
44 - IsNullFunction.Eval : If expr evaluates to null or DBNull.Value, return the
45 default expression value.
47 2006-03-27 Boris Kirzner <borisk@mainsoft.com>
48 * Aggregation.cs: fix possible NullReferenceException.
50 2006-02-03 Senganal T <tsenganal@novell.com>
52 * ColumnReference.cs :
54 - GetReferencedRows() : Verify the column before getting the values.
55 Validate the ColumnReference even when the table has no rows.
56 * Function.cs : Modified Eval()
57 - A tmp fix to check for null. Expression.Eval needs to be modified all
58 around to return DBNull.Value.
60 2006-01-18 Boris Kirzner <borisk@mainsoft.com>
61 * ColumnReference.cs: added column and relation lazy evaluation
64 2006-01-09 Senganal T <tsenganal@novell.com>
67 - resolving a name clash in IExpression
69 2006-01-06 Senganal T <tsenganal@novell.com>
72 - a correction to the previous check-in
74 2006-01-06 Senganal T <tsenganal@novell.com>
77 - Modified the cache to listen for RowChangedEvents.
80 - Added a Reset Method to cleanup when a Datacolumn is removed
84 1.Aggregate Functions : Only for columns returning multiple values (child/local)
85 2.Other Numeric/Functions : Only for columns that return single value (parent/local)
87 2005-12-20 Senganal T <tsenganal@novell.com>
90 Modified the Eval and CalculateStatisticalFunction to add boundary checks.
93 2005-11-30 Konstantin Triger <kostat@mainsoft.com>
95 * Parser.jay: use Convert.ToInt32() instead of cast to throw OverflowException.
97 2005-10-26 Konstantin Triger <kostat@mainsoft.com>
99 * In.cs: Fix the enumerator initialization problem.
101 2005-10-21 Senganal T <tsenganal@novell.com>
104 - Modified the Max and Min functions to convert strings(numeric) to
105 double. Fixes bug #76213.
107 2005-09-19 Boris Kirzner <borisk@mainsoft.com>
108 * ColumnReference.cs, Expressions.cs, Like.cs, Aggregation.cs, Literal.cs,
109 StringFunctions.cs, In.cs, Functions.cs : implemented Equals()
110 and GetHashCode() methods for all Mono.Data.SqlExpressions classes,enabling
111 comparison of the filter expressions.
113 2005-08-02 Sureshkumar T <tsureshkumar@novell.com>
115 * Tokenizer.cs: ReadString (): added an overload where the
116 terminator can be escaped by repeating twice.
118 2005-06-29 Sureshkumar T <tsureshkumar@novell.com>
120 * ArithmeticExpressions.cs: Eval :if any one of the argument is
121 null for an operator, the result is also NULL.
123 2005-05-02 Konstantin Triger <kostat@mainsoft.com>
125 * IExpression interface: Added DependsOn(DataColumn) method, which checks whether the Expression contains a specific column
127 2005-04-26 Gonzalo Paniagua Javier <gonzalo@ximian.com>
129 * Tokenizer.cs: make it not rely in exceptions being thrown to know that
130 the array is entirely processed.
132 2005-02-10 Atsushi Enomoto <atsushi@ximian.com>
134 * Comparison.cs : allow comparison between guid and string.
135 * ColumnReference.cs : return guid value too. Fixed bug #72426.
137 2005-01-28 Atsushi Enomoto <atsushi@ximian.com>
139 * Comparison.cs : Eval() could be direct invocation to EvalBoolean().
141 2005-01-26 Atsushi Enomoto <atsushi@ximian.com>
143 * Tokenizer.cs : just throw SyntaxErrorException instead of Exception.
145 2005-01-25 Atsushi Enomoto <atsushi@ximian.com>
147 * Expression.cs, ColumnReference.cs, BooleanExpression.cs,
148 Aggregation.cs, Literal.cs : added EvalBoolean() to avoid extraneous
151 2005-01-20 Atsushi Enomoto <atsushi@ximian.com>
153 * Numeric.cs : Fixed ToSameType(). It should let conversion result to
156 2005-01-20 Atsushi Enomoto <atsushi@ximian.com>
158 * Parser.jay : let's use debug flag when MONO_DEBUG_SQLEXPRESSIONS
159 environment variable is set.
160 Fixed substring() function. C# cast does not allow implicit
161 conversion from object.
163 2004-07-12 Umadevi S <sumadevi@novell.com>
164 * Tokenizer.cs - read an Int64 from the text instead of Int32. Resolves
168 2004-06-17 Boris Kirzner <borisk@mainsoft.com>
169 * Comparison.cs - use 'as' to avoid NullReferenceExeption in casting.
171 2004-05-13 Umadevi S <sumadevi@novell.com>
172 * Literal.cs - made class internal
174 2004-05-12 Umadevi S <sumadevi@novell.com>
175 * Expression.cs, Functions.cs, In.cs, Like.cs, Parser.jay, StringFunctions.cs - made class/enum/interfaces internal
177 2004-05-12 Umadevi S <sumadevi@novell.com>
178 * BooleanExpression.cs,ColumnReference.cs, Comparision.cs - made class/enum internal
180 2004-05-12 Umadevi S <sumadevi@novell.com>
181 * ArthimeticExpression.cs - made class internal
183 2004-05012 Umadevi S <sumadevi@novell.com>
184 * Aggregation.cs - made class/enums/interfaces internal
186 2004-05-05 Atsushi Enomoto <atsushi@ximian.com>
188 * ArithmeticExpressions.cs: avoid null exception on add operation.
190 2004-04-29 Juraj Skripsky <juraj@hotfeet.ch>
192 * Parser.jay: Fix rule for negative expressions.
193 Add precedence rules for '<' and '>'.
195 2004-04-28 Boris Kirzner <borisk@mainsoft.com>
197 * ColumnReference.cs : using DataRow _inExpressionEvaluation before accessing row value
198 to get an access to deleted rows also.
200 2004-04-22 Juraj Skripsky <juraj@hotfeet.ch>
202 * Parser.jay: Allow computed expressions on left-hand side of
204 Correct ordering for "is null" rule ("NOT IS NULL" => "IS NOT NULL").
206 2004-04-20 Juraj Skripsky <juraj@hotfeet.ch>
208 * Tokenizer.cs (ReadNumber): Correctly consume decimal point
209 when reading numbers. Fixes bug #57251.
211 2004-03-31 Juraj Skripsky <juraj@hotfeet.ch>
213 * Parser.jay, ColumnReference.cs, Comparison.cs, Functions.cs,
214 Aggregation.cs : fix bugs exposed by DataColumnTest.cs.
216 2004-03-29 Juraj Skripsky <juraj@hotfeet.ch>
218 * Initial implementation.