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MariaDB · Mar 28, 2024 · b7bdac8 · b7bdac8
1 parent f71f133
commit b7bdac8
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diff --git a/storage/perfschema/pfs.cc b/storage/perfschema/pfs.cc
@@ -1937,7 +1937,17 @@ pfs_drop_table_share_v1(my_bool temporary,
     return;
   PFS_thread *pfs_thread= my_thread_get_THR_PFS();
   if (unlikely(pfs_thread == NULL))
+  {
+    fprintf(stderr, "PFS: thread=0 %.*s.%.*s\n", schema_name_length, schema_name,
+            table_name_length, table_name);
     return;
+  }
+  {
+    THD *thd= current_thd;
+    if (thd)
+      fprintf(stderr, "PFS: %.*s\n", (int)thd->query_string.length(),
+              thd->query_string.str());
+  }
   /* TODO: temporary tables */
   drop_table_share(pfs_thread, temporary, schema_name, schema_name_length,
                    table_name, table_name_length);

diff --git a/storage/perfschema/pfs_instr_class.cc b/storage/perfschema/pfs_instr_class.cc
@@ -1952,7 +1952,11 @@ void drop_table_share(PFS_thread *thread,
   PFS_table_share_key key;
   LF_PINS* pins= get_table_share_hash_pins(thread);
   if (unlikely(pins == NULL))
+  {
+    fprintf(stderr, "PFS: pins=0 %.*s.%.*s\n", schema_name_length, schema_name,
+            table_name_length, table_name);
     return;
+  }
   set_table_share_key(&key, temporary, schema_name, schema_name_length,
                       table_name, table_name_length);
   PFS_table_share **entry;
@@ -1969,6 +1973,11 @@ void drop_table_share(PFS_thread *thread,
 
     pfs->m_lock.allocated_to_free();
   }
+  else
+  {
+    fprintf(stderr, "PFS: entry=%p %.*s.%.*s\n", entry, schema_name_length, schema_name,
+            table_name_length, table_name);
+  }
 
   lf_hash_search_unpin(pins);
 }

diff --git a/storage/perfschema/unittest/pfs_server_stubs.cc b/storage/perfschema/unittest/pfs_server_stubs.cc
@@ -61,3 +61,5 @@ enum sys_var::where get_sys_var_value_origin(void *ptr)
 }
 
 MY_TIMER_INFO sys_timer_info;
+
+THD *_current_thd() { return 0; }