1.2.6

BestPracticeRules/BPARules.json

@@ -151,6 +151,16 @@
     "Expression": "\nSourceType.ToString() = \"M\"\r\nand\r\n(\r\nQuery.Contains(\"Table.Combine(\")\r\nor\r\n\nQuery.Contains(\"Table.Join(\")\r\nor\r\n\nQuery.Contains(\"Table.NestedJoin(\")\r\nor\r\nQuery.Contains(\"Table.AddColumn(\")\r\nor\r\nQuery.Contains(\"Table.Group(\")\r\nor\r\nQuery.Contains(\"Table.Sort(\")\r\nor\r\nQuery.Contains(\"Table.Pivot(\")\r\nor\r\nQuery.Contains(\"Table.Unpivot(\")\r\nor\r\nQuery.Contains(\"Table.UnpivotOtherColumns(\")\r\nor\r\nQuery.Contains(\"Table.Distinct(\")\r\nor\r\nQuery.Contains(\"[Query=\"\"SELECT\")\r\nor\r\nQuery.Contains(\"Value.NativeQuery\")\r\nor\r\nQuery.Contains(\"OleDb.Query\")\r\nor\r\nQuery.Contains(\"Odbc.Query\")\r\n)",
     "CompatibilityLevel": 1200
   },
+  {
+    "ID": "AVOID_USING_MANY-TO-MANY_RELATIONSHIPS_ON_TABLES_USED_FOR_DYNAMIC_ROW_LEVEL_SECURITY",
+    "Name": "[Performance] Avoid using many-to-many relationships on tables used for dynamic row level security",
+    "Category": "Performance",
+    "Description": "Using many-to-many relationships on tables which use dynamic row level security can cause serious query performance degradation. This pattern's performance problems compound when snowflaking multiple many-to-many relationships against a table which contains row level security. Instead, use one of the patterns shown in the article below where a single dimension table relates many-to-one to a security table.\r\n\r\nReference: https://www.elegantbi.com/post/dynamicrlspatterns",
+    "Severity": 3,
+    "Scope": "Table",
+    "Expression": "UsedInRelationships.Any(FromCardinality == \"Many\" and ToCardinality== \"Many\")\r\nand\r\nRowLevelSecurity.Any(it.Length > 0)",
+    "CompatibilityLevel": 1200
+  },
   {
     "ID": "UNPIVOT_PIVOTED_(MONTH)_DATA",
     "Name": "[Performance] Unpivot pivoted (month) data",
@@ -167,7 +177,7 @@
     "Category": "Performance",
     "Severity": 2,
     "Scope": "Relationship",
-    "Expression": "FromCardinality == \"Many\"\nand\nToCardinality == \"Many\"\nand\nCrossFilteringBehavior == \"BothDirections\"",
+    "Expression": "FromCardinality == \"Many\"\n\r\nand\r\n\nToCardinality == \"Many\"\r\n\nand\r\n\nCrossFilteringBehavior == \"BothDirections\"",
     "CompatibilityLevel": 1200
   },
   {
@@ -422,6 +432,17 @@
     "FixExpression": "Description = string.Concat( it.Description.ToCharArray().Select( c => (char.IsControl(c) && !char.IsWhiteSpace(c)) ? ' ': c ))",
     "CompatibilityLevel": 1200
   },
+  {
+    "ID": "SET_ISAVAILABLEINMDX_TO_TRUE_ON_NECESSARY_COLUMNS",
+    "Name": "[Error Prevention] Set IsAvailableInMdx to true on necessary columns",
+    "Category": "Error Prevention",
+    "Description": "In order to avoid errors, ensure that attribute hierarchies are enabled if a column is used for sorting another column, used in a hierarchy, used in variations, or is sorted by another column.",
+    "Severity": 3,
+    "Scope": "DataColumn, CalculatedColumn, CalculatedTableColumn",
+    "Expression": "IsAvailableInMDX = false\r\n\r\nand\r\n(\r\nUsedInSortBy.Any()\r\nor\r\nUsedInHierarchies.Any()\r\nor\r\nUsedInVariations.Any()\r\nor\r\nSortByColumn != null\r\n)",
+	"FixExpression": "IsAvailableInMDX = true",
+    "CompatibilityLevel": 1200
+  },
   {
     "ID": "UNNECESSARY_COLUMNS",
     "Name": "[Maintenance] Remove unnecessary columns",
@@ -429,7 +450,7 @@
     "Description": "Hidden columns that are not referenced by any DAX expressions, relationships, hierarchy levels or Sort By-properties should be removed.",
     "Severity": 2,
     "Scope": "DataColumn, CalculatedColumn, CalculatedTableColumn",
-    "Expression": "(IsHidden or Table.IsHidden)\n\n\r\nand ReferencedBy.Count = 0\r\n\n\nand (not UsedInRelationships.Any())\n\n\r\nand (not UsedInSortBy.Any())\n\n\r\nand (not UsedInHierarchies.Any())\n\n\r\nand (not Table.RowLevelSecurity.Any(\nit <> null and it.IndexOf(\"[\" + current.Name + \"]\", \"OrdinalIgnoreCase\") >= 0\n))\n\n and (not Model.Roles.Any(RowLevelSecurity.Any(\nit <> null and \n(\nit.IndexOf(current.Table.Name + \"[\" + current.Name + \"]\", \"OrdinalIgnoreCase\") >= 0 or\n it.IndexOf(\"'\" + current.Table.Name + \"'[\" + current.Name + \"]\", \"OrdinalIgnoreCase\") >= 0\n )\n)))",
+    "Expression": "(IsHidden or Table.IsHidden)\n\n\r\nand ReferencedBy.Count = 0\r\n\n\nand (not UsedInRelationships.Any())\n\n\r\nand (not UsedInSortBy.Any())\n\n\r\nand (not UsedInHierarchies.Any())\n\n\r\nand (not Table.RowLevelSecurity.Any(\nit <> null and it.IndexOf(\"[\" + current.Name + \"]\", \"OrdinalIgnoreCase\") >= 0\n))\n\n and (not Model.Roles.Any(RowLevelSecurity.Any(\nit <> null and \n(\nit.IndexOf(current.Table.Name + \"[\" + current.Name + \"]\", \"OrdinalIgnoreCase\") >= 0 or\n it.IndexOf(\"'\" + current.Table.Name + \"'[\" + current.Name + \"]\", \"OrdinalIgnoreCase\") >= 0\n )\n)))\r\nand not (\r\nObjectLevelSecurity.Any(it.ToString() == \"None\"))\r\nand not (\r\nTable.ObjectLevelSecurity.Any(it.ToString() == \"None\"))",
     "FixExpression": "Delete()",
     "CompatibilityLevel": 1200
   },