1 2009-10-28 Marek Habersack <mhabersack@novell.com>
3 * Tokenizer.cs, Parser.jay: a work around for 3 reduce/reduce
4 conflicts (use of 'NOT LIKE' and 'NOT IN' which would previously
5 be ignored because of the conflicts). The grammar still has 6 more
6 of those - the real fix is to rewrite it.
8 2009-07-23 Adam Wendt <adam@awendtconsulting.com>
10 * Comparison.cs (Compare): Parse string if other object is DateTime
11 regardless of which side the DateTime is on.
13 2008-08-18 Marek Habersack <mhabersack@novell.com>
15 * Numeric.cs: Max/Min operations do not convert string
16 IConvertibles to double - they perform a simple string compare
19 2008-01-23 Konstantin Triger <kostat@mainsoft.com>
21 * Like.cs: when rh expresssion is null or DBNull always return false.
23 2007-12-24 Konstantin Triger <kostat@mainsoft.com>
25 * Parser.jay, StringFunctions.cs, Like.cs: add support for string concat.
27 2007-07-26 Nagappan A <anagappan@novell.com>
29 * Comparison.cs (Compare): Should always parse the object of type
30 DateTime in InvariantCulture CultureInfo, Fixes Bug # 82109.
32 2007-06-06 Nagappan A <anagappan@novell.com>
34 * ColumnReference.cs (Unify): Return object as it is, if object
35 type is char. Fixes bug # 81625.
37 * Numeric.cs (IsNumeric): Return false if object type is
38 char. Fixes bug # 81625.
40 2007-02-23 Nagappan A <anagappan@novell.com>
42 * Comparison.cs (Compare): Extra space characters issue when using
43 System.Data.DataTable.Select. Fixes bug # 79695.
45 2006-12-07 Nagappan A <anagappan@novell.com>
47 * Parser.jay (ColumnName): Fix Invalid DataColumn Expression, bug
50 2006-06-15 Senganal T <tsenganal@novell.com>
53 - EvalBoolean : throw EvaluateException unless overridden.
54 - UnaryExpression.EvalBoolean : override EvalBoolean
55 * Like.cs, In.cs, ColumnReference.cs : override EvalBoolean
57 2006-06-09 Juraj Skripsky <js@hotfeet.ch>
59 * Tokenizer.cs (ProcessEscapes): Inspect the next character, not the one
62 2006-05-02 Senganal T <tsenganal@novell.com>
64 * Parser.jay : fix the rule for IsNull. Fixes bug #78254
66 - IsNullFunction.Eval : If expr evaluates to null or DBNull.Value, return the
67 default expression value.
69 2006-03-27 Boris Kirzner <borisk@mainsoft.com>
70 * Aggregation.cs: fix possible NullReferenceException.
72 2006-02-03 Senganal T <tsenganal@novell.com>
74 * ColumnReference.cs :
76 - GetReferencedRows() : Verify the column before getting the values.
77 Validate the ColumnReference even when the table has no rows.
78 * Function.cs : Modified Eval()
79 - A tmp fix to check for null. Expression.Eval needs to be modified all
80 around to return DBNull.Value.
82 2006-01-18 Boris Kirzner <borisk@mainsoft.com>
83 * ColumnReference.cs: added column and relation lazy evaluation
86 2006-01-09 Senganal T <tsenganal@novell.com>
89 - resolving a name clash in IExpression
91 2006-01-06 Senganal T <tsenganal@novell.com>
94 - a correction to the previous check-in
96 2006-01-06 Senganal T <tsenganal@novell.com>
99 - Modified the cache to listen for RowChangedEvents.
102 - Added a Reset Method to cleanup when a Datacolumn is removed
105 - Modified to check :
106 1.Aggregate Functions : Only for columns returning multiple values (child/local)
107 2.Other Numeric/Functions : Only for columns that return single value (parent/local)
109 2005-12-20 Senganal T <tsenganal@novell.com>
112 Modified the Eval and CalculateStatisticalFunction to add boundary checks.
115 2005-11-30 Konstantin Triger <kostat@mainsoft.com>
117 * Parser.jay: use Convert.ToInt32() instead of cast to throw OverflowException.
119 2005-10-26 Konstantin Triger <kostat@mainsoft.com>
121 * In.cs: Fix the enumerator initialization problem.
123 2005-10-21 Senganal T <tsenganal@novell.com>
126 - Modified the Max and Min functions to convert strings(numeric) to
127 double. Fixes bug #76213.
129 2005-09-19 Boris Kirzner <borisk@mainsoft.com>
130 * ColumnReference.cs, Expressions.cs, Like.cs, Aggregation.cs, Literal.cs,
131 StringFunctions.cs, In.cs, Functions.cs : implemented Equals()
132 and GetHashCode() methods for all Mono.Data.SqlExpressions classes,enabling
133 comparison of the filter expressions.
135 2005-08-02 Sureshkumar T <tsureshkumar@novell.com>
137 * Tokenizer.cs: ReadString (): added an overload where the
138 terminator can be escaped by repeating twice.
140 2005-06-29 Sureshkumar T <tsureshkumar@novell.com>
142 * ArithmeticExpressions.cs: Eval :if any one of the argument is
143 null for an operator, the result is also NULL.
145 2005-05-02 Konstantin Triger <kostat@mainsoft.com>
147 * IExpression interface: Added DependsOn(DataColumn) method, which checks whether the Expression contains a specific column
149 2005-04-26 Gonzalo Paniagua Javier <gonzalo@ximian.com>
151 * Tokenizer.cs: make it not rely in exceptions being thrown to know that
152 the array is entirely processed.
154 2005-02-10 Atsushi Enomoto <atsushi@ximian.com>
156 * Comparison.cs : allow comparison between guid and string.
157 * ColumnReference.cs : return guid value too. Fixed bug #72426.
159 2005-01-28 Atsushi Enomoto <atsushi@ximian.com>
161 * Comparison.cs : Eval() could be direct invocation to EvalBoolean().
163 2005-01-26 Atsushi Enomoto <atsushi@ximian.com>
165 * Tokenizer.cs : just throw SyntaxErrorException instead of Exception.
167 2005-01-25 Atsushi Enomoto <atsushi@ximian.com>
169 * Expression.cs, ColumnReference.cs, BooleanExpression.cs,
170 Aggregation.cs, Literal.cs : added EvalBoolean() to avoid extraneous
173 2005-01-20 Atsushi Enomoto <atsushi@ximian.com>
175 * Numeric.cs : Fixed ToSameType(). It should let conversion result to
178 2005-01-20 Atsushi Enomoto <atsushi@ximian.com>
180 * Parser.jay : let's use debug flag when MONO_DEBUG_SQLEXPRESSIONS
181 environment variable is set.
182 Fixed substring() function. C# cast does not allow implicit
183 conversion from object.
185 2004-07-12 Umadevi S <sumadevi@novell.com>
186 * Tokenizer.cs - read an Int64 from the text instead of Int32. Resolves
190 2004-06-17 Boris Kirzner <borisk@mainsoft.com>
191 * Comparison.cs - use 'as' to avoid NullReferenceExeption in casting.
193 2004-05-13 Umadevi S <sumadevi@novell.com>
194 * Literal.cs - made class internal
196 2004-05-12 Umadevi S <sumadevi@novell.com>
197 * Expression.cs, Functions.cs, In.cs, Like.cs, Parser.jay, StringFunctions.cs - made class/enum/interfaces internal
199 2004-05-12 Umadevi S <sumadevi@novell.com>
200 * BooleanExpression.cs,ColumnReference.cs, Comparision.cs - made class/enum internal
202 2004-05-12 Umadevi S <sumadevi@novell.com>
203 * ArthimeticExpression.cs - made class internal
205 2004-05012 Umadevi S <sumadevi@novell.com>
206 * Aggregation.cs - made class/enums/interfaces internal
208 2004-05-05 Atsushi Enomoto <atsushi@ximian.com>
210 * ArithmeticExpressions.cs: avoid null exception on add operation.
212 2004-04-29 Juraj Skripsky <juraj@hotfeet.ch>
214 * Parser.jay: Fix rule for negative expressions.
215 Add precedence rules for '<' and '>'.
217 2004-04-28 Boris Kirzner <borisk@mainsoft.com>
219 * ColumnReference.cs : using DataRow _inExpressionEvaluation before accessing row value
220 to get an access to deleted rows also.
222 2004-04-22 Juraj Skripsky <juraj@hotfeet.ch>
224 * Parser.jay: Allow computed expressions on left-hand side of
226 Correct ordering for "is null" rule ("NOT IS NULL" => "IS NOT NULL").
228 2004-04-20 Juraj Skripsky <juraj@hotfeet.ch>
230 * Tokenizer.cs (ReadNumber): Correctly consume decimal point
231 when reading numbers. Fixes bug #57251.
233 2004-03-31 Juraj Skripsky <juraj@hotfeet.ch>
235 * Parser.jay, ColumnReference.cs, Comparison.cs, Functions.cs,
236 Aggregation.cs : fix bugs exposed by DataColumnTest.cs.
238 2004-03-29 Juraj Skripsky <juraj@hotfeet.ch>
240 * Initial implementation.