Merge pull request #116 from bruce-dunwiddie/develop

Develop

Author: bruce-dunwiddie

TSQL_Parser/TSQL_Parser/Expressions/Parsers/TSQLValueExpressionParser.cs

@@ -225,7 +225,9 @@ public TSQLExpression ParseNext(
 			}
 			else if (tokenizer.Current.Type.In(
 				TSQLTokenType.Identifier,
-				TSQLTokenType.SystemIdentifier))
+				TSQLTokenType.SystemIdentifier,
+				// RIGHT is a keyword, but can be used as a function call
+				TSQLTokenType.Keyword))
 			{
 				// column, with or without alias, or with full explicit table name with up to 5 parts
 
@@ -258,8 +260,7 @@ public TSQLExpression ParseNext(
 							.ToList();
 
 						function.Function =
-							identityTokens[identityTokens.Count - 1]
-								.AsIdentifier;
+							identityTokens[identityTokens.Count - 1];
 
 						if (identityTokens.Count > 1)
 						{

TSQL_Parser/TSQL_Parser/Expressions/TSQLFunctionExpression.cs

@@ -20,7 +20,7 @@ public override TSQLExpressionType Type
 
 		public List<TSQLToken> QualifiedPath { get; internal set; }
 
-		public TSQLIdentifier Function { get; internal set; }
+		public TSQLToken Function { get; internal set; }
 
 		public TSQLArgumentList Arguments { get; internal set; }
 	}

TSQL_Parser/TSQL_Parser/Properties/AssemblyInfo.cs

@@ -32,7 +32,7 @@
 // You can specify all the values or you can default the Build and Revision Numbers 
 // by using the '*' as shown below:
 // [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion("2.5.0.0")]
-[assembly: AssemblyFileVersion("2.5.0.0")]
+[assembly: AssemblyVersion("2.6.0.0")]
+[assembly: AssemblyFileVersion("2.6.0.0")]
 
 [assembly: InternalsVisibleTo("Tests, PublicKey=0024000004800000940000000602000000240000525341310004000001000100793625650b945744f8a2c57bc75da89cd4d2c551636aa180c3020b7a15b815c10e983e83c312eb02f131c6fcf18aaffd6c8d9af6c4353c91ca0e9206b0fb8fb7805fc07b510a47ff40705ae56977ae8893e2d247d166aa400926582840e8a5602df055762bc3479dd14c9621a77946b6e6b0a00a77204c78fb52c65121bd75ba")]

TSQL_Parser/TSQL_Parser/Push.bat

@@ -1,4 +1,4 @@
 nuget SetApiKey %NUGET_KEY%
-nuget push TSQL.Parser.2.5.0.snupkg -Source https://api.nuget.org/v3/index.json
-nuget push TSQL.Parser.2.5.0.nupkg -Source https://api.nuget.org/v3/index.json
+nuget push TSQL.Parser.2.6.0.nupkg -Source https://api.nuget.org/v3/index.json
+nuget push TSQL.Parser.2.6.0.snupkg -Source https://api.nuget.org/v3/index.json
 pause

TSQL_Parser/TSQL_Parser/TSQL_Parser.nuspec

@@ -2,15 +2,15 @@
 <package>
 	<metadata>
 		<id>TSQL.Parser</id>
-		<version>2.5.0</version>
+		<version>2.6.0</version>
 		<title>TSQL.Parser</title>
 		<authors>Bruce Dunwiddie</authors>
 		<owners>shriop</owners>
 		<license type="expression">Apache-2.0</license>
 		<projectUrl>https://github.com/bruce-dunwiddie/tsql-parser</projectUrl>
 		<requireLicenseAcceptance>false</requireLicenseAcceptance>
 		<description>Library for Parsing SQL Server T-SQL Scripts</description>
-		<releaseNotes>Fixed handling of FOR XML in SELECT.</releaseNotes>
+		<releaseNotes>Fixed parsing of function names that overlap with reserved words.</releaseNotes>
 		<copyright>Copyright © 2022</copyright>
 		<tags>sql parser sql-server tsql</tags>
 	</metadata>

TSQL_Parser/TSQL_Parser/TSQL_Parser_NetStandard.csproj

@@ -4,9 +4,9 @@
     <TargetFramework>netstandard2.0</TargetFramework>
     <AssemblyName>TSQL_Parser</AssemblyName>
     <RootNamespace>TSQL_Parser</RootNamespace>
-    <Version>2.5.0.0</Version>
-    <AssemblyVersion>2.5.0.0</AssemblyVersion>
-    <FileVersion>2.5.0.0</FileVersion>
+    <Version>2.6.0.0</Version>
+    <AssemblyVersion>2.6.0.0</AssemblyVersion>
+    <FileVersion>2.6.0.0</FileVersion>
     <Description>Library for Parsing SQL Server TSQL Scripts</Description>
     <Copyright>Copyright © 2022</Copyright>
     <Company />

TSQL_Parser/Tests/Clauses/SelectClauseTests.cs

@@ -245,7 +245,7 @@ ORDER BY
 
 				Assert.AreEqual("GroupNumber", column.ColumnAlias.Name);
 				Assert.AreEqual(TSQLExpressionType.Function, column.Expression.Type);
-				Assert.AreEqual("ROW_NUMBER", column.Expression.AsFunction.Function.Name);
+				Assert.AreEqual("ROW_NUMBER", column.Expression.AsFunction.Function.Text);
 			}
 		}
 
@@ -292,7 +292,7 @@ ORDER BY
 
 				TSQLFunctionExpression functionExpression = column.Expression.AsFunction;
 
-				Assert.AreEqual("Multiply", functionExpression.Function.Name);
+				Assert.AreEqual("Multiply", functionExpression.Function.Text);
 				Assert.AreEqual(3, functionExpression.QualifiedPath.Count);
 				Assert.AreEqual("Test", functionExpression.QualifiedPath[0].AsIdentifier.Name);
 				Assert.AreEqual(".", functionExpression.QualifiedPath[1].AsCharacter.Text);

TSQL_Parser/Tests/Statements/SelectStatementTests.cs

@@ -712,7 +712,7 @@ public void SelectStatement_CountAlias()
 				.Columns
 				.Single();
 
-			Assert.AreEqual("COUNT", count.Expression.AsFunction.Function.Name);
+			Assert.AreEqual("COUNT", count.Expression.AsFunction.Function.Text);
 			Assert.AreEqual("count", count.ColumnAlias.Name);
 		}
 
@@ -730,7 +730,7 @@ public void SelectStatement_CountAliasWithWhitespace()
 				.Columns
 				.Single();
 
-			Assert.AreEqual("COUNT", count.Expression.AsFunction.Function.Name);
+			Assert.AreEqual("COUNT", count.Expression.AsFunction.Function.Text);
 			Assert.AreEqual("count", count.ColumnAlias.Name);
 		}
 
@@ -928,5 +928,33 @@ public void SelectStatement_Stuff()
 
 			Assert.AreEqual(6, innerSelect.For.Tokens.Count);
 		}
+
+		[Test]
+		public void SelectStatement_CoalesceWithInnerFunctions()
+		{
+			// regression test for https://github.com/bruce-dunwiddie/tsql-parser/discussions/114
+			List<TSQLStatement> statements = TSQLStatementReader.ParseStatements(
+				@"SELECT COALESCE(added_by, RIGHT(user, LEN(user)-5)) AS changed_by FROM my_table",
+				includeWhitespace: false);
+
+			Assert.AreEqual(1, statements.Count);
+			TSQLSelectStatement select = statements.Single().AsSelect;
+
+			Assert.AreEqual(21, select.Tokens.Count);
+
+			TSQLFunctionExpression functionExpression = select
+				.Select
+				.Columns[0]
+				.Expression
+				.AsFunction
+				.Arguments[1]
+				.AsFunction;
+
+			TSQLToken right = functionExpression
+				.Function;
+
+			Assert.AreEqual("RIGHT", right.Text);
+			Assert.IsNull(functionExpression.QualifiedPath);
+		}
 	}
 }