Bug#37645678: Contribution: Document COM_FIELD_LIST metadata and default

value

Added the missing default value description for COM_FIELD_LIST
Fixed a typo
Fixed the 3.2 packet description.

Change-Id: I522d8818911e9451df98df8aa298356a29775ea1

Author: gkodinov

mysys/pack.cc

@@ -110,7 +110,7 @@ uint64_t net_field_length_ll(uchar **packet) {
 }
 
 /*
-  Store an integer with simple packing into a output package
+  Store an integer with simple packing into an output package
 
   SYNOPSIS
     net_store_length()

sql/protocol_classic.cc

@@ -3099,6 +3099,11 @@ bool Protocol_classic::end_result_metadata() {
   <tr><td>@ref sect_protocol_basic_dt_string_fix "string[2]"</td>
       <td>reserved</td>
       <td>reserved for future use.</td></tr>
+  <tr><td colspan="3">if command was COM_FIELD_LIST {</td></tr>
+  <tr><td>@ref sect_protocol_basic_dt_string_le "string&lt;lenenc&gt;"</td>
+      <td>default value</td>
+      <td>NULL if 0xFB</td></tr>
+  <tr><td colspan="3">}</td></tr>
   </table>
 
   @note `decimals` and `column_length` can be used for text output formatting
@@ -3143,12 +3148,9 @@ bool Protocol_classic::end_result_metadata() {
       <td>number of decimal digits</td></tr>
   <tr><td colspan="3">}</td></tr>
   <tr><td colspan="3">if command was COM_FIELD_LIST {</td></tr>
-  <tr><td>@ref sect_protocol_basic_dt_int_le "int&lt;lenenc&gt;"</td>
-      <td>length of default values</td>
-      <td>[02]</td></tr>
   <tr><td>@ref sect_protocol_basic_dt_string_le "string&lt;lenenc&gt;"</td>
-      <td>default_values</td>
-      <td></td></tr>
+      <td>default_value</td>
+      <td>NULL if 0xFB</td></tr>
   <tr><td colspan="3">}</td></tr>
   </table>