Session tracking info support in mysqltest (port from mysql)

client/mysqltest.cc

@@ -125,7 +125,8 @@ static my_bool view_protocol= 0, view_protocol_enabled= 0;
 static my_bool cursor_protocol= 0, cursor_protocol_enabled= 0;
 static my_bool parsing_disabled= 0;
 static my_bool display_result_vertically= FALSE, display_result_lower= FALSE,
-  display_metadata= FALSE, display_result_sorted= FALSE;
+  display_metadata= FALSE, display_result_sorted= FALSE,
+  display_session_track_info= FALSE;
 static my_bool disable_query_log= 0, disable_result_log= 0;
 static my_bool disable_connect_log= 0;
 static my_bool disable_warnings= 0, disable_column_names= 0;
@@ -153,6 +154,7 @@ static struct property prop_list[] = {
   { &abort_on_error, 0, 1, 0, "$ENABLED_ABORT_ON_ERROR" },
   { &disable_connect_log, 0, 1, 1, "$ENABLED_CONNECT_LOG" },
   { &disable_info, 0, 1, 1, "$ENABLED_INFO" },
+  { &display_session_track_info, 0, 1, 1, "$ENABLED_STATE_CHANGE_INFO" },
   { &display_metadata, 0, 0, 0, "$ENABLED_METADATA" },
   { &ps_protocol_enabled, 0, 0, 0, "$ENABLED_PS_PROTOCOL" },
   { &disable_query_log, 0, 0, 1, "$ENABLED_QUERY_LOG" },
@@ -166,6 +168,7 @@ enum enum_prop {
   P_ABORT= 0,
   P_CONNECT,
   P_INFO,
+  P_SESSION_TRACK,
   P_META,
   P_PS,
   P_QUERY,
@@ -362,6 +365,7 @@ enum enum_commands {
   Q_WAIT_FOR_SLAVE_TO_STOP,
   Q_ENABLE_WARNINGS, Q_DISABLE_WARNINGS,
   Q_ENABLE_INFO, Q_DISABLE_INFO,
+  Q_ENABLE_SESSION_TRACK_INFO, Q_DISABLE_SESSION_TRACK_INFO,
   Q_ENABLE_METADATA, Q_DISABLE_METADATA,
   Q_ENABLE_COLUMN_NAMES, Q_DISABLE_COLUMN_NAMES,
   Q_EXEC, Q_DELIMITER,
@@ -436,6 +440,8 @@ const char *command_names[]=
   "disable_warnings",
   "enable_info",
   "disable_info",
+  "enable_session_track_info",
+  "disable_session_track_info",
   "enable_metadata",
   "disable_metadata",
   "enable_column_names",
@@ -6514,6 +6520,7 @@ void do_delimiter(struct st_command* command)
 
 static void do_reset_connection()
 {
+#ifndef EMBEDDED_LIBRARY
   MYSQL *mysql = cur_con->mysql;
 
   DBUG_ENTER("do_reset_connection");
@@ -6525,6 +6532,10 @@ static void do_reset_connection()
     cur_con->stmt= NULL;
   }
   DBUG_VOID_RETURN;
+#else
+ die("reset connection failed: unsupported by embedded server client library");
+ return;
+#endif
 }
 
 
@@ -7782,6 +7793,70 @@ void append_info(DYNAMIC_STRING *ds, ulonglong affected_rows,
 }
 
 
+/**
+  @brief Append state change information (received through Ok packet) to the output.
+
+  @param [in,out] ds         Dynamic string to hold the content to be printed.
+  @param [in] mysql          Connection handle.
+*/
+
+static void append_session_track_info(DYNAMIC_STRING *ds, MYSQL *mysql)
+{
+#ifndef EMBEDDED_LIBRARY
+  for (unsigned int type= SESSION_TRACK_BEGIN; type <= SESSION_TRACK_END; type++)
+  {
+    const char *data;
+    size_t data_length;
+
+    if (!mysql_session_track_get_first(mysql,
+                                       (enum_session_state_type) type,
+                                       &data, &data_length))
+    {
+      dynstr_append(ds, "-- ");
+      switch (type)
+      {
+        case SESSION_TRACK_SYSTEM_VARIABLES:
+          dynstr_append(ds, "Tracker : SESSION_TRACK_SYSTEM_VARIABLES\n");
+          break;
+        case SESSION_TRACK_SCHEMA:
+          dynstr_append(ds, "Tracker : SESSION_TRACK_SCHEMA\n");
+          break;
+        case SESSION_TRACK_STATE_CHANGE:
+          dynstr_append(ds, "Tracker : SESSION_TRACK_STATE_CHANGE\n");
+          break;
+        case SESSION_TRACK_GTIDS:
+          dynstr_append(ds, "Tracker : SESSION_TRACK_GTIDS\n");
+          break;
+        case SESSION_TRACK_TRANSACTION_CHARACTERISTICS:
+          dynstr_append(ds, "Tracker : SESSION_TRACK_TRANSACTION_CHARACTERISTICS\n");
+          break;
+        case SESSION_TRACK_TRANSACTION_TYPE:
+          dynstr_append(ds, "Tracker : SESSION_TRACK_TRANSACTION_TYPE\n");
+          break;
+        default:
+          DBUG_ASSERT(0);
+          dynstr_append(ds, "\n");
+      }
+
+
+      dynstr_append(ds, "-- ");
+      dynstr_append_mem(ds, data, data_length);
+    }
+    else
+      continue;
+    while (!mysql_session_track_get_next(mysql,
+                                        (enum_session_state_type) type,
+                                        &data, &data_length))
+    {
+      dynstr_append(ds, "\n-- ");
+      dynstr_append_mem(ds, data, data_length);
+    }
+    dynstr_append(ds, "\n\n");
+  }
+#endif /* EMBEDDED_LIBRARY */
+}
+
+
 /*
   Display the table headings with the names tab separated
 */
@@ -7962,6 +8037,9 @@ void run_query_normal(struct st_connection *cn, struct st_command *command,
       if (!disable_info)
 	append_info(ds, mysql_affected_rows(mysql), mysql_info(mysql));
 
+      if (display_session_track_info)
+        append_session_track_info(ds, mysql);
+
       /*
         Add all warnings to the result. We can't do this if we are in
         the middle of processing results from multi-statement, because
@@ -8377,6 +8455,10 @@ void run_query_stmt(struct st_connection *cn, struct st_command *command,
     if (!disable_info)
       append_info(ds, mysql_stmt_affected_rows(stmt), mysql_info(mysql));
 
+    if (display_session_track_info)
+      append_session_track_info(ds, mysql);
+
+
     if (!disable_warnings)
     {
       /* Get the warnings from execute */
@@ -9358,6 +9440,12 @@ int main(int argc, char **argv)
       case Q_DISABLE_INFO:
         set_property(command, P_INFO, 1);
         break;
+      case Q_ENABLE_SESSION_TRACK_INFO:
+        set_property(command, P_SESSION_TRACK, 1);
+        break;
+      case Q_DISABLE_SESSION_TRACK_INFO:
+        set_property(command, P_SESSION_TRACK, 0);
+        break;
       case Q_ENABLE_METADATA:
         set_property(command, P_META, 1);
         break;

mysql-test/r/mysqltest_tracking_info.result

@@ -0,0 +1,47 @@
+SELECT @@session.character_set_client, @@session.character_set_results, @@session.character_set_connection;
+@@session.character_set_client	@@session.character_set_results	@@session.character_set_connection
+latin1	latin1	latin1
+SET @@session.session_track_system_variables='character_set_client,character_set_results,character_set_connection';
+# tracking info on
+SET NAMES 'utf8';
+-- Tracker : SESSION_TRACK_SYSTEM_VARIABLES
+-- character_set_client
+-- utf8
+-- character_set_connection
+-- utf8
+-- character_set_results
+-- utf8
+
+SET NAMES 'big5';
+-- Tracker : SESSION_TRACK_SYSTEM_VARIABLES
+-- character_set_client
+-- big5
+-- character_set_connection
+-- big5
+-- character_set_results
+-- big5
+
+# tracking info on once
+SET NAMES 'utf8';
+-- Tracker : SESSION_TRACK_SYSTEM_VARIABLES
+-- character_set_client
+-- utf8
+-- character_set_connection
+-- utf8
+-- character_set_results
+-- utf8
+
+SET NAMES 'big5';
+# tracking info on
+SET NAMES 'utf8';
+-- Tracker : SESSION_TRACK_SYSTEM_VARIABLES
+-- character_set_client
+-- utf8
+-- character_set_connection
+-- utf8
+-- character_set_results
+-- utf8
+
+# tracking info off once
+SET NAMES 'big5';
+SET @@session.session_track_system_variables= default;

mysql-test/t/mysqltest_tracking_info.test

@@ -0,0 +1,25 @@
+
+--source include/no_protocol.inc
+--source include/not_embedded.inc
+
+SELECT @@session.character_set_client, @@session.character_set_results, @@session.character_set_connection;
+SET @@session.session_track_system_variables='character_set_client,character_set_results,character_set_connection';
+
+--echo # tracking info on
+--enable_session_track_info
+SET NAMES 'utf8';
+SET NAMES 'big5';
+--disable_session_track_info
+--echo # tracking info on once
+--enable_session_track_info ONCE
+SET NAMES 'utf8';
+SET NAMES 'big5';
+--echo # tracking info on
+--enable_session_track_info
+SET NAMES 'utf8';
+--echo # tracking info off once
+--disable_session_track_info ONCE
+SET NAMES 'big5';
+--disable_session_track_info
+
+SET @@session.session_track_system_variables= default;

mysql-test/t/reset_connection.test

@@ -1,3 +1,5 @@
+--source include/not_embedded.inc
+
 FLUSH STATUS;
 
 --disable_result_log