Ignore case when finding column by name.

Author: MMcM

Diff for: src/main/java/com/akiban/sql/parser/ResultColumnList.java

@@ -197,7 +197,7 @@ public ResultColumn getResultColumn(String columnName) {
         for (int index = 0; index < size; index++) {
             ResultColumn resultColumn = get(index);
 
-            if (columnName.equals(resultColumn.getName())) {
+            if (columnName.equalsIgnoreCase(resultColumn.getName())) {
                 return resultColumn;
             }
         }