Github user paul-rogers commented on a diff in the pull request:

    https://github.com/apache/drill/pull/756#discussion_r102806616
  
    --- Diff: 
exec/java-exec/src/main/java/org/apache/drill/exec/server/rest/profile/TableBuilder.java
 ---
    @@ -33,62 +33,91 @@
       private int w = 0;
       private int width;
     
    -  public TableBuilder(final String[] columns) {
    +  public TableBuilder(final String[] columns, final String[] 
columnTooltip) {
         sb = new StringBuilder();
         width = columns.length;
     
         format.setMaximumFractionDigits(3);
     
         sb.append("<table class=\"table table-bordered text-right\">\n<tr>");
    -    for (final String cn : columns) {
    -      sb.append("<th>" + cn + "</th>");
    +    for (int i = 0; i < columns.length; i++) {
    +      String cn = columns[i];
    +      String ctt = "";
    +      if (columnTooltip != null) {
    +        String tooltip = columnTooltip[i];
    +        if (tooltip != null) {
    +          ctt = " title=\""+tooltip+"\" style=\"color:#00008B;\"";
    --- End diff --
    
    Color should appear in a style sheet. See below.


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