merge mmcm: Allow setting name of a derived table.

https://code.launchpad.net/~mmcm/akiban-sql-parser/from-table-set-correlation-name/+merge/142828

Author: akiban-build

src/main/java/com/akiban/sql/parser/FromTable.java

@@ -96,6 +96,13 @@ public String getCorrelationName() {
         return correlationName; 
     }
 
+    /**
+     * Set this table's correlation name.
+     */
+    public void setCorrelationName(String correlationName) { 
+        this.correlationName = correlationName; 
+    }
+
     /**
      * Convert this object to a String.  See comments in QueryTreeNode.java
      * for how this should be done for tree printing.

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;
             }
         }