Merge pull request #559 from mnsrulz/master

compile where clause when no table is present

Author: ahmad-moussawi

QueryBuilder.Tests/SelectTests.cs

@@ -832,6 +832,22 @@ public void BasicSelect_WithNoTable()
             var c = Compilers.CompileFor(EngineCodes.SqlServer, q);
             Assert.Equal("SELECT [c1]", c.ToString());
         }
+
+        [Fact]
+        public void BasicSelect_WithNoTableAndWhereClause()
+        {
+            var q = new Query().Select("c1").Where("p", 1);
+            var c = Compilers.CompileFor(EngineCodes.SqlServer, q);
+            Assert.Equal("SELECT [c1] WHERE [p] = 1", c.ToString());
+        }
+
+        [Fact]
+        public void BasicSelect_WithNoTableWhereRawClause()
+        {
+            var q = new Query().Select("c1").WhereRaw("1 = 1");
+            var c = Compilers.CompileFor(EngineCodes.SqlServer, q);
+            Assert.Equal("SELECT [c1] WHERE 1 = 1", c.ToString());
+        }
 
     }
 }

QueryBuilder/Compilers/Compiler.cs

@@ -687,7 +687,7 @@ public virtual string CompileJoin(SqlResult ctx, Join join, bool isNested = fals
 
         public virtual string CompileWheres(SqlResult ctx)
         {
-            if (!ctx.Query.HasComponent("from", EngineCode) || !ctx.Query.HasComponent("where", EngineCode))
+            if (!ctx.Query.HasComponent("where", EngineCode))
             {
                 return null;
             }