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This commit is contained in:
John Cardinal
2018-12-03 23:38:54 +00:00
parent 33dcadfc7c
commit b6302d85e1
3 changed files with 23 additions and 27 deletions
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2
devdocs/specs/core-list-graph-datatable-filtering-paging.txt
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@@ -25,6 +25,7 @@ Filters are saved to the database:
- Could be compound for joins like "table.name" (no a prepends the table name) - Could be compound for joins like "table.name" (no a prepends the table name)
- Special indirect values such as "[TAGS]" which means cross filter with tags - Special indirect values such as "[TAGS]" which means cross filter with tags
- op=one of the values specified in the FilterComparisonOperator class in Biz namespace - op=one of the values specified in the FilterComparisonOperator class in Biz namespace
- Note: no Like on purpose, that would require input, better to hard code a starts with, ends with, contains and not bothering with the negative of those three as I don't see it being widely used
- value = string version of direct comparison value or could be a special token meaning more - value = string version of direct comparison value or could be a special token meaning more
- Never an empty string, empty string is invalid value - Never an empty string, empty string is invalid value
- All Tokens are a value surrounded by this fragment: "{[XXX]}" where XXX is the token - All Tokens are a value surrounded by this fragment: "{[XXX]}" where XXX is the token
@@ -53,6 +54,7 @@ NOTES ABOUT WHY I DID THE FILTEROPTIONS LIKE I DID:
// - Again, a static list of items to check against // - Again, a static list of items to check against
//Where to store that? //Where to store that?
//all cases are via list class so really the whole thing is self contained and no need for an interface at all //all cases are via list class so really the whole thing is self contained and no need for an interface at all
-------------------------------------------------- --------------------------------------------------

4
server/AyaNova/biz/FilterComparisonOperator.cs
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@@ -3,13 +3,14 @@ namespace AyaNova.Biz
{ {
public static class FilterComparisonOperator public static class FilterComparisonOperator
{ {
//NOTE: no LIKE or NOT LIKE deliberately
//StartsWith and EndsWith and Contains and NotContains cover all the most common cases and avoid needing a special set of LIKE characters people have to type and we have to document
public const string Equality = "="; public const string Equality = "=";
public const string GreaterThan = ">"; public const string GreaterThan = ">";
public const string GreaterThanOrEqualTo = ">="; public const string GreaterThanOrEqualTo = ">=";
public const string LessThan = "<"; public const string LessThan = "<";
public const string LessThanOrEqualTo = "<="; public const string LessThanOrEqualTo = "<=";
public const string NotEqual = "!="; public const string NotEqual = "!=";
public const string NotLike = "!%";
public const string StartsWith = "%-"; public const string StartsWith = "%-";
public const string EndsWith = "-%"; public const string EndsWith = "-%";
public const string Contains = "-%-"; public const string Contains = "-%-";
@@ -29,7 +30,6 @@ namespace AyaNova.Biz
operators.Add(LessThan); operators.Add(LessThan);
operators.Add(LessThanOrEqualTo); operators.Add(LessThanOrEqualTo);
operators.Add(NotEqual); operators.Add(NotEqual);
operators.Add(NotLike);
operators.Add(StartsWith); operators.Add(StartsWith);
operators.Add(EndsWith); operators.Add(EndsWith);
operators.Add(Contains); operators.Add(Contains);

44
server/AyaNova/biz/FilterSqlCriteriaBuilder.cs
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@@ -180,12 +180,6 @@ namespace AyaNova.Biz
sb.Append("'"); sb.Append("'");
break; break;
case "Like":
sb.Append("Like '");
sb.Append(sValue);
sb.Append("%'");
break;
case FilterComparisonOperator.NotEqual: case FilterComparisonOperator.NotEqual:
sb.Append("<>'"); sb.Append("<>'");
sb.Append(sValue); sb.Append(sValue);
@@ -193,47 +187,47 @@ namespace AyaNova.Biz
break; break;
//Following 7 operators added 14-June-2006 //Following 7 operators added 14-June-2006
case "DoesNotContain": case FilterComparisonOperator.NotContains:
sb.Append("Not Like '%"); sb.Append("Not Like '%");
sb.Append(sValue); sb.Append(sValue);
sb.Append("%'"); sb.Append("%'");
break; break;
case "Contains": case FilterComparisonOperator.Contains:
sb.Append("Like '%"); sb.Append("Like '%");
sb.Append(sValue); sb.Append(sValue);
sb.Append("%'"); sb.Append("%'");
break; break;
case "StartsWith": case FilterComparisonOperator.StartsWith:
sb.Append("Like '"); sb.Append("Like '");
sb.Append(sValue); sb.Append(sValue);
sb.Append("%'"); sb.Append("%'");
break; break;
case "EndsWith": case FilterComparisonOperator.EndsWith:
sb.Append("Like '%"); sb.Append("Like '%");
sb.Append(sValue); sb.Append(sValue);
sb.Append("'"); sb.Append("'");
break; break;
case "DoesNotStartWith": // case "DoesNotStartWith":
sb.Append("Not Like '"); // sb.Append("Not Like '");
sb.Append(sValue); // sb.Append(sValue);
sb.Append("%'"); // sb.Append("%'");
break; // break;
case "DoesNotEndWith": // case "DoesNotEndWith":
sb.Append("Not Like '%"); // sb.Append("Not Like '%");
sb.Append(sValue); // sb.Append(sValue);
sb.Append("'"); // sb.Append("'");
break; // break;
case "NotLike": // case "NotLike":
sb.Append("Not Like '"); // sb.Append("Not Like '");
sb.Append(sValue); // sb.Append(sValue);
sb.Append("%'"); // sb.Append("%'");
break; // break;
default: default:
throw new System.ArgumentOutOfRangeException("OPERATOR_TYPE", sOperator, "GridToSqlCriteria unhandled operator type [" + sOperator + "] IN STRING"); throw new System.ArgumentOutOfRangeException("OPERATOR_TYPE", sOperator, "GridToSqlCriteria unhandled operator type [" + sOperator + "] IN STRING");