MDEV-13300 Query cache doesn't take in account CLIENT_DEPRECATE_EOF capability

take into account new capabilty flag which has influence on result format.

sql/sql_cache.cc

@@ -1413,6 +1413,8 @@ void Query_cache::store_query(THD *thd, TABLE_LIST *tables_used)
     flags.client_long_flag= MY_TEST(thd->client_capabilities & CLIENT_LONG_FLAG);
     flags.client_protocol_41= MY_TEST(thd->client_capabilities &
                                       CLIENT_PROTOCOL_41);
+    flags.client_depr_eof= MY_TEST(thd->client_capabilities &
+                                      CLIENT_DEPRECATE_EOF);
     /*
       Protocol influences result format, so statement results in the binary
       protocol (COM_EXECUTE) cannot be served to statements asking for results
@@ -1443,12 +1445,13 @@ void Query_cache::store_query(THD *thd, TABLE_LIST *tables_used)
     flags.div_precision_increment= thd->variables.div_precincrement;
     flags.default_week_format= thd->variables.default_week_format;
     DBUG_PRINT("qcache", ("\
-long %d, 4.1: %d, bin_proto: %d, more results %d, pkt_nr: %d, \
+long %d, 4.1: %d, eof: %d, bin_proto: %d, more results %d, pkt_nr: %d, \
 CS client: %u, CS result: %u, CS conn: %u, limit: %lu, TZ: 0x%lx, \
 sql mode: 0x%llx, sort len: %lu, conncat len: %lu, div_precision: %lu, \
 def_week_frmt: %lu, in_trans: %d, autocommit: %d",
                           (int)flags.client_long_flag,
                           (int)flags.client_protocol_41,
+                          (int)flags.client_depr_eof,
                           (int)flags.protocol_type,
                           (int)flags.more_results_exists,
                           flags.pkt_nr,
@@ -1917,6 +1920,8 @@ Query_cache::send_result_to_client(THD *thd, char *org_sql, uint query_length)
   flags.client_long_flag= MY_TEST(thd->client_capabilities & CLIENT_LONG_FLAG);
   flags.client_protocol_41= MY_TEST(thd->client_capabilities &
                                     CLIENT_PROTOCOL_41);
+  flags.client_depr_eof= MY_TEST(thd->client_capabilities &
+                                    CLIENT_DEPRECATE_EOF);
   flags.protocol_type= (unsigned int) thd->protocol->type();
   flags.more_results_exists= MY_TEST(thd->server_status &
                                      SERVER_MORE_RESULTS_EXISTS);
@@ -1938,12 +1943,13 @@ Query_cache::send_result_to_client(THD *thd, char *org_sql, uint query_length)
   flags.default_week_format= thd->variables.default_week_format;
   flags.lc_time_names= thd->variables.lc_time_names;
   DBUG_PRINT("qcache", ("\
-long %d, 4.1: %d, bin_proto: %d, more results %d, pkt_nr: %d, \
+long %d, 4.1: %d, eof: %d, bin_proto: %d, more results %d, pkt_nr: %d, \
 CS client: %u, CS result: %u, CS conn: %u, limit: %lu, TZ: 0x%lx, \
 sql mode: 0x%llx, sort len: %lu, conncat len: %lu, div_precision: %lu, \
 def_week_frmt: %lu, in_trans: %d, autocommit: %d",
                           (int)flags.client_long_flag,
                           (int)flags.client_protocol_41,
+                          (int)flags.client_depr_eof,
                           (int)flags.protocol_type,
                           (int)flags.more_results_exists,
                           flags.pkt_nr,

sql/sql_cache.h

@@ -545,6 +545,7 @@ struct Query_cache_query_flags
 {
   unsigned int client_long_flag:1;
   unsigned int client_protocol_41:1;
+  unsigned int client_depr_eof:1;
   unsigned int protocol_type:2;
   unsigned int more_results_exists:1;
   unsigned int in_trans:1;