2017-02-11 rpl #2 mdl_request

gistfile1.txt

(gdb) frame 8
#8  0x00000000008afc07 in MDL_context::acquire_lock (this=0x7f2aa2c16168, mdl_request=0x7f2acd9136f0, lock_wait_timeout=31536000)
    at /data/src/bb-10.0-monty/sql/mdl.cc:2417
warning: Source file is more recent than executable.
2417	  DBUG_ASSERT((mdl_request->type != MDL_INTENTION_EXCLUSIVE &&
(gdb) p *mdl_request
$1 = {type = MDL_INTENTION_EXCLUSIVE, duration = MDL_STATEMENT, next_in_list = 0x1420215 <code_state+243>, prev_in_list = 0x7f2aa2c0e2c8, 
  ticket = 0x0, key = {m_length = 3, m_db_name_length = 0, m_hash_value = 65537, 
    m_ptr = "\000\000\000\001\000\000\000\000:\"f\001\000\000\000\000\000\070\221\315*\177\000\000\200@\301\242*\177\000\000\b\000\000\000\002\000\000\000\200\067\221\315*\177\000\000+P;\001\000\000\000\000\240\067\221\315*\177\000\000\000\070\221\315*\177\000\000U\334H\001\000\000\000\000\370\316H\001\000\000\000\000\b\000\000\200\000\000\000\000\320:\221\315*\177\000\000\240\067\221\315*\177\000\000$|d\000\000\000\000\000\200@\301\242*\177\000\000\000\070\221\315*\177\000\000\220:\221\315*\177\000\000y\371b\000\000\000\000\000\340\071\221\315*\177\000\000\006AB\001\000\000\000\000\200\063\341\001", '\000' <repeats 12 times>, "\360aŢ*\177\000\000p`\301\242*\177\000\000U"..., 
    static m_namespace_to_wait_state_name = {{m_key = 0, m_name = 0x14ca285 "Waiting for global read lock", m_flags = 0}, {m_key = 0, 
        m_name = 0x14ca2a8 "Waiting for schema metadata lock", m_flags = 0}, {m_key = 0, 
        m_name = 0x14ca2d0 "Waiting for table metadata lock", m_flags = 0}, {m_key = 0, 
        m_name = 0x14ca2f0 "Waiting for stored function metadata lock", m_flags = 0}, {m_key = 0, 
        m_name = 0x14ca320 "Waiting for stored procedure metadata lock", m_flags = 0}, {m_key = 0, 
        m_name = 0x14ca350 "Waiting for trigger metadata lock", m_flags = 0}, {m_key = 0, 
        m_name = 0x14ca378 "Waiting for event metadata lock", m_flags = 0}, {m_key = 0, m_name = 0x14ca398 "Waiting for commit lock", 
        m_flags = 0}, {m_key = 0, m_name = 0x14ca3b0 "User lock", m_flags = 0}}}}