Bug #56921 It should be possible to log connection statements in mysqltest

Added --enable-connect-log, somewhet similar to --enable-query-log
If query log is disabled, disable connect log too
Also some related cleanup in mysqltest.test: removing duplicate test loop

client/mysqltest.cc

@@ -103,6 +103,7 @@ static my_bool parsing_disabled= 0;
 static my_bool display_result_vertically= FALSE, display_result_lower= FALSE,
   display_metadata= FALSE, display_result_sorted= FALSE;
 static my_bool disable_query_log= 0, disable_result_log= 0;
+static my_bool disable_connect_log= 1;
 static my_bool disable_warnings= 0;
 static my_bool disable_info= 1;
 static my_bool abort_on_error= 1;
@@ -275,6 +276,7 @@ enum enum_commands {
   Q_DISABLE_RPL_PARSE, Q_EVAL_RESULT,
   Q_ENABLE_QUERY_LOG, Q_DISABLE_QUERY_LOG,
   Q_ENABLE_RESULT_LOG, Q_DISABLE_RESULT_LOG,
+  Q_ENABLE_CONNECT_LOG, Q_DISABLE_CONNECT_LOG,
   Q_WAIT_FOR_SLAVE_TO_STOP,
   Q_ENABLE_WARNINGS, Q_DISABLE_WARNINGS,
   Q_ENABLE_INFO, Q_DISABLE_INFO,
@@ -342,6 +344,8 @@ const char *command_names[]=
   /* Enable/disable that the _result_ from a query is logged to result file */
   "enable_result_log",
   "disable_result_log",
+  "enable_connect_log",
+  "disable_connect_log",
   "wait_for_slave_to_stop",
   "enable_warnings",
   "disable_warnings",
@@ -4793,6 +4797,16 @@ void select_connection_name(const char *name)
 
   set_current_connection(con);
 
+  /* Connection logging if enabled */
+  if (!disable_connect_log && !disable_query_log)
+  {
+    DYNAMIC_STRING *ds= &ds_res;
+
+    dynstr_append_mem(ds, "connection ", 11);
+    replace_dynstr_append(ds, name);
+    dynstr_append_mem(ds, ";\n", 2);
+  }
+
   DBUG_VOID_RETURN;
 }
 
@@ -4880,6 +4894,16 @@ void do_close_connection(struct st_command *command)
     var_set_string("$CURRENT_CONNECTION", con->name);
   }
 
+  /* Connection logging if enabled */
+  if (!disable_connect_log && !disable_query_log)
+  {
+    DYNAMIC_STRING *ds= &ds_res;
+
+    dynstr_append_mem(ds, "disconnect ", 11);
+    replace_dynstr_append(ds, ds_connection.str);
+    dynstr_append_mem(ds, ";\n", 2);
+  }
+
   DBUG_VOID_RETURN;
 }
 
@@ -5014,6 +5038,13 @@ int connect_n_handle_errors(struct st_command *command,
     dynstr_append_mem(ds, delimiter, delimiter_length);
     dynstr_append_mem(ds, "\n", 1);
   }
+  /* Simlified logging if enabled */
+  if (!disable_connect_log && !disable_query_log)
+  {
+    replace_dynstr_append(ds, command->query);
+    dynstr_append_mem(ds, ";\n", 2);
+  }
+  
   while (!mysql_real_connect(con, host, user, pass, db, port, sock ? sock: 0,
                           CLIENT_MULTI_STATEMENTS))
   {
@@ -8071,6 +8102,8 @@ int main(int argc, char **argv)
       case Q_DISABLE_ABORT_ON_ERROR: abort_on_error=0; break;
       case Q_ENABLE_RESULT_LOG:  disable_result_log=0; break;
       case Q_DISABLE_RESULT_LOG: disable_result_log=1; break;
+      case Q_ENABLE_CONNECT_LOG:   disable_connect_log=0; break;
+      case Q_DISABLE_CONNECT_LOG:  disable_connect_log=1; break;
       case Q_ENABLE_WARNINGS:    disable_warnings=0; break;
       case Q_DISABLE_WARNINGS:   disable_warnings=1; break;
       case Q_ENABLE_INFO:        disable_info=0; break;

mysql-test/r/mysqltest.result

@@ -452,12 +452,16 @@ mysqltest: At line 1: Missing required argument 'host' to command 'connect'
 mysqltest: At line 1: query 'connect  con2,localhost,root,,illegal_db' failed: 1049: Unknown database 'illegal_db'
 mysqltest: At line 1: Illegal argument for port: 'illegal_port'
 mysqltest: At line 1: Illegal option to connect: SMTP
-OK
-mysqltest: The test didn't produce any output
+200 connects succeeded
 mysqltest: In included file "MYSQLTEST_VARDIR/tmp/mysqltest.sql": At line 3: connection 'test_con1' not found in connection pool
 mysqltest: In included file "MYSQLTEST_VARDIR/tmp/mysqltest.sql": At line 2: Connection test_con1 already exists
 show tables;
 ERROR 3D000: No database selected
+connect  con1,localhost,root,,;
+connection default;
+connection con1;
+disconnect con1;
+connection default;
 Output from mysqltest-x.inc
 Output from mysqltest-x.inc
 Output from mysqltest-x.inc

mysql-test/t/mysqltest.test

@@ -1465,19 +1465,6 @@ eval select "$long_rep" as x;
 --error 1
 --exec echo "connect (con1,localhost,root,,,,,SMTP POP);" | $MYSQL_TEST 2>&1
 
-# Repeat connect/disconnect
---write_file $MYSQLTEST_VARDIR/tmp/mysqltest.sql
-let $i=100;
-while ($i)
-{
-  connect (test_con1,localhost,root,,);
-  disconnect test_con1;
-  dec $i;
-}
-EOF
---exec echo "source $MYSQLTEST_VARDIR/tmp/mysqltest.sql; echo OK; exit;" | $MYSQL_TEST 2>&1
-remove_file $MYSQLTEST_VARDIR/tmp/mysqltest.sql;
-
 # Repeat connect/disconnect
 --write_file $MYSQLTEST_VARDIR/tmp/mysqltest.sql
 let $i=200;
@@ -1487,9 +1474,8 @@ while ($i)
  disconnect test_con1;
  dec $i;
 }
+echo 200 connects succeeded;
 EOF
---replace_result $MYSQLTEST_VARDIR MYSQLTEST_VARDIR
---error 1
 --exec echo "source $MYSQLTEST_VARDIR/tmp/mysqltest.sql;" | $MYSQL_TEST 2>&1
 remove_file $MYSQLTEST_VARDIR/tmp/mysqltest.sql;
 
@@ -1530,6 +1516,22 @@ show tables;
 disconnect con2;
 connection default;
 
+# Test enable_connect_log
+--enable_connect_log
+connect (con1,localhost,root,,);
+connection default;
+connection con1;
+--disable_query_log
+# These should not be logged
+connect (con2,localhost,root,,*NO-ONE*);
+connection con2;
+disconnect con2;
+connection con1;
+--enable_query_log
+disconnect con1;
+connection default;
+--disable_connect_log
+
 # ----------------------------------------------------------------------------
 # Test mysqltest arguments
 # ----------------------------------------------------------------------------