From: Marc Alff
Date: November 5 2011 6:55pm
Subject: bzr push into mysql-trunk-marc branch (marc.alff:3564 to 3565)
List-Archive: http://lists.mysql.com/commits/141751
Message-Id: <201111051855.pA5ItPWY009229@acsmt356.oracle.com>
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 3565 Marc Alff	2011-11-05
      Added debug code

    modified:
      sql/sql_class.cc
      sql/sql_class.h
      sql/sql_parse.cc
 3564 Marc Alff	2011-11-05
      Speed up testing

    modified:
      mysql-test/collections/default.push
=== modified file 'sql/sql_class.cc'
--- a/sql/sql_class.cc	2011-11-03 16:03:34 +0000
+++ b/sql/sql_class.cc	2011-11-05 18:48:10 +0000
@@ -788,6 +788,7 @@ THD::THD(bool enable_plugins)
    m_examined_row_count(0),
    m_statement_psi(NULL),
    m_idle_psi(NULL),
+   m_debug_memory_sentinel(123456789),
    m_server_idle(false),
    is_fatal_error(0),
    transaction_rollback_request(0),

=== modified file 'sql/sql_class.h'
--- a/sql/sql_class.h	2011-11-05 17:00:31 +0000
+++ b/sql/sql_class.h	2011-11-05 18:48:10 +0000
@@ -2372,6 +2372,9 @@ public:
   /** Idle instrumentation state. */
   PSI_idle_locker_state m_idle_state;
 #endif /* EMBEDDED_LIBRARY */
+
+  ulonglong m_debug_memory_sentinel;
+
   /** True if the server code is IDLE for this connection. */
   bool m_server_idle;
 

=== modified file 'sql/sql_parse.cc'
--- a/sql/sql_parse.cc	2011-11-05 17:00:31 +0000
+++ b/sql/sql_parse.cc	2011-11-05 18:48:10 +0000
@@ -1594,15 +1594,24 @@ bool dispatch_command(enum enum_server_c
   thd->reset_query();
   thd->set_command(COM_SLEEP);
 
+  DBUG_ASSERT(thd->m_debug_memory_sentinel == 123456789);
+
   /* Performance Schema Interface instrumentation, end */
   MYSQL_END_STATEMENT(thd->m_statement_psi, thd->get_stmt_da());
 
+  DBUG_ASSERT(thd->m_debug_memory_sentinel == 123456789);
+
   dec_thread_running();
+
+  DBUG_ASSERT(thd->m_debug_memory_sentinel == 123456789);
+
   thd->packet.shrink(thd->variables.net_buffer_length);	// Reclaim some memory
 
-  thd->m_statement_psi= (PSI_statement_locker*) 0xDEADBEEF;
+  DBUG_ASSERT(thd->m_debug_memory_sentinel == 123456789);
+
   free_root(thd->mem_root,MYF(MY_KEEP_PREALLOC));
-  DBUG_ASSERT(thd->m_statement_psi == (PSI_statement_locker*) 0xDEADBEEF);
+
+  DBUG_ASSERT(thd->m_debug_memory_sentinel == 123456789);
 
   /* DTRACE instrumentation, end */
   if (MYSQL_QUERY_DONE_ENABLED() || MYSQL_COMMAND_DONE_ENABLED())

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