updated docs

Author: Robert Gelb

README.md

@@ -10,8 +10,8 @@ This quickie app converts SQL statements into ElasticSearch equivalent queries.
 At the moment the application supports SELECT, FROM, WHERE, GROUP BY statements.  
 For SELECT, you can either place * or specify column names.
 The FROM statement works with either aliases or indexes.  
-The WHERE conditions support a subset of operators: =, >, >=, <, <=, IN, BETWEEN
-The GROUP BY statement only supports column names.  Functions such as COUNT(*) will cause the translation to fail
+The WHERE conditions support a subset of operators: =, >, >=, <, <=, IN, BETWEEN.
+The GROUP BY statement only supports column names.  Columns in the GROUP BY must match those in SELECT.  
 
 Examples:
 ```sql
@@ -40,10 +40,9 @@ GROUP BY SolarSystem, Galaxy
 
 ## What doesn't work yet
 + Inequality operator (!=)
-+ LIKE operator
 + Sorting
 + Joins (because ElasticSearch doesn't support them)
-+ Common SQL functions like GetDate, DateDiff, etc are not supported yet
++ Common SQL functions like GetDate, DateDiff, Count(*), etc are not supported yet
 
 ## The Plan
 See the "What doesn't work yet" section

Views/Home/About.cshtml

@@ -6,28 +6,36 @@
 <p>The application supports a very limited subset of sql. This is a work in progress. Here are examples of what works:</p>
 
 <code style="padding:initial">
-SELECT name, type, state, pin<br />
-FROM cities<br />
-WHERE name LIKE 'M%'<br />
-&nbsp;&nbsp; AND state = 'FL'<br />
-&nbsp;&nbsp; AND zipCode IN (33126, 33151)<br />
-&nbsp;&nbsp; AND averageAge BETWEEN 34 AND 65<br />
-&nbsp;&nbsp; AND averageSalary >= 55230<br />
-&nbsp;&nbsp; AND averageTemperature < 80
+    SELECT name, type, state, pin<br />
+    FROM cities<br />
+    WHERE name LIKE 'M%'<br />
+    &nbsp;&nbsp; AND state = 'FL'<br />
+    &nbsp;&nbsp; AND zipCode IN (33126, 33151)<br />
+    &nbsp;&nbsp; AND averageAge BETWEEN 34 AND 65<br />
+    &nbsp;&nbsp; AND averageSalary >= 55230<br />
+    &nbsp;&nbsp; AND averageTemperature < 80
 </code>
 
 <div style="height:15px;"></div>
 
 <code style="padding:initial">
-SELECT *<br />
-FROM Planets<br />
-WHERE SpacecraftWithinKilometers < 10000
+    SELECT *<br />
+    FROM Planets<br />
+    WHERE SpacecraftWithinKilometers < 10000
+</code>
+
+<div style="height:15px;"></div>
+
+<code style="padding:initial">
+    SELECT SolarSystem, Galaxy
+    FROM Planets
+    WHERE SpacecraftWithinKilometers < 10000
+    GROUP BY SolarSystem, Galaxy
 </code>
 
 <p style="margin-top:15px;">At the moment the following things do not work:</p>
 <ul>
-  <li>Grouping</li>
-  <li>Aggregations</li>
-  <li>Sorting</li>
-  <li style="text-decoration: line-through">LIKE operator</li>
+    <li>Sorting</li>
+    <li>Inequality operator (!=)</li>
+    <li>Common SQL functions like GetDate, DateDiff, Count(*), etc are not supported yet</li>
 </ul>