MythTV query causes MariaDB crash

2020-02-01 11:56:26.486022 W  LoadFromProgram(): SQL contains LIMIT clause, caller should be updated to use limit parameter instead

QMYSQLResult::cleanup: unable to free statement handle

2020-02-01 11:56:28.990474 E  DB Error (LoadByTemplate):

Query was:

SELECT recordid, category,        (category = ?) AS catmatch,        (category = ?) AS typematch FROM record WHERE type = ? AND       (category = ? OR category = ?        OR category = 'Default') ORDER BY catmatch DESC, typematch DESC

Bindings were:

:CAT1="", :CAT2="", :CATTYPE1="", :CATTYPE2="", :TEMPLATE=11

Driver error was [2/2006]:

QMYSQL3: Unable to execute statement

Database error was:

MySQL server has gone away

Stack trace of thread 1009:

 #0  0x00005623efa724ee _Z7sortcmpPK6StringS1_PK15charset_info_st (mysqld + 0x7004ee)

 #1  0x00005623efb2fa37 _ZNK26Type_handler_string_result13Item_const_eqEPK10Item_constS2_b (mysqld + 0x7bd>

 #2  0x00005623efc136a2 _ZN4Item15eq_by_collationEPS_bPK15charset_info_st (mysqld + 0x8a16a2)

 #3  0x00005623efa199a9 _ZN9Item_cond14add_key_fieldsEP4JOINPP9KEY_FIELDPjyPP14SARGABLE_PARAM (mysqld + 0x>

 #4  0x00005623efa196ea _ZN13Item_cond_and14add_key_fieldsEP4JOINPP9KEY_FIELDPjyPP14SARGABLE_PARAM (mysqld>

 #5  0x00005623efa1a8cb n/a (mysqld + 0x6a88cb)

 #6  0x00005623efa4aeb4 _ZN4JOIN14optimize_innerEv (mysqld + 0x6d8eb4)

 #7  0x00005623efa4cef4 _ZN4JOIN8optimizeEv (mysqld + 0x6daef4)

 #8  0x00005623efa4d094 _Z12mysql_selectP3THDP10TABLE_LISTjR4ListI4ItemEPS4_jP8st_orderS9_S7_S9_yP13select>

 #9  0x00005623efa4dbb4 _Z13handle_selectP3THDP3LEXP13select_resultm (mysqld + 0x6dbbb4)

 #10 0x00005623ef9de93c n/a (mysqld + 0x66c93c)

 #11 0x00005623ef9edf96 _Z21mysql_execute_commandP3THD (mysqld + 0x67bf96)

 #12 0x00005623efa03ce0 _ZN18Prepared_statement7executeEP6Stringb (mysqld + 0x691ce0)

 #13 0x00005623efa03e94 _ZN18Prepared_statement12execute_loopEP6StringbPhS2_ (mysqld + 0x691e94)

 #14 0x00005623efa04a7e n/a (mysqld + 0x692a7e)

 #15 0x00005623efa04b22 _Z19mysqld_stmt_executeP3THDPcj (mysqld + 0x692b22)

 #16 0x00005623ef9f221b _Z16dispatch_command19enum_server_commandP3THDPcjbb (mysqld + 0x68021b)

 #17 0x00005623ef9f5021 _Z10do_commandP3THD (mysqld + 0x683021)

 #18 0x00005623efad9296 _Z24do_handle_one_connectionP7CONNECT (mysqld + 0x767296)

 #19 0x00005623efad93d3 handle_one_connection (mysqld + 0x7673d3)

 #20 0x00007fa0850d64cf start_thread (libpthread.so.0 + 0x94cf)

 #21 0x00007fa0848ac2d3 __clone (libc.so.6 + 0xff2d3)