BUG#19914 SELECT COUNT(*) sometimes returns MAX_INT on cluster tables

allow handler::info to return an error code (that will be returned to the user)


sql/ha_berkeley.cc:
  update handler::info interface to return int
sql/ha_berkeley.h:
  update handler::info interface to return int
sql/ha_heap.cc:
  update handler::info interface to return int
sql/ha_heap.h:
  update handler::info interface to return int
sql/ha_innodb.cc:
  update handler::info interface to return int
sql/ha_innodb.h:
  update handler::info interface to return int
sql/ha_myisam.cc:
  update handler::info interface to return int
sql/examples/ha_archive.cc:
  update handler::info interface to return int
sql/examples/ha_archive.h:
  update handler::info interface to return int
sql/examples/ha_example.cc:
  update handler::info interface to return int
sql/examples/ha_example.h:
  update handler::info interface to return int
sql/examples/ha_tina.cc:
  update handler::info interface to return int
sql/examples/ha_tina.h:
  update handler::info interface to return int
sql/ha_myisam.h:
  update handler::info interface to return int
sql/ha_myisammrg.cc:
  update handler::info interface to return int
sql/ha_myisammrg.h:
  update handler::info interface to return int
sql/ha_ndbcluster.cc:
  update handler::info interface to return int
sql/ha_ndbcluster.h:
  update handler::info interface to return int
sql/handler.h:
  update handler::info interface to return int
sql/opt_sum.cc:
  If we get an error when using handler::info to get count(*),
  print and return the error.
sql/sql_select.cc:
  if error, set fatal error.

1 files changed, 3 insertions, 1 deletions

diff --git a/sql/ha_myisam.cc b/sql/ha_myisam.cc
index 9b84e48e970..2e29d929352 100644
--- a/sql/ha_myisam.cc
+++ b/sql/ha_myisam.cc
@@ -1214,7 +1214,7 @@ void ha_myisam::position(const byte* record)
   ha_store_ptr(ref, ref_length, position);
 }
 
-void ha_myisam::info(uint flag)
+int ha_myisam::info(uint flag)
 {
   MI_ISAMINFO info;
   char name_buff[FN_REFLEN];
@@ -1273,6 +1273,8 @@ void ha_myisam::info(uint flag)
     update_time = info.update_time;
   if (flag & HA_STATUS_AUTO)
     auto_increment_value= info.auto_increment;
+
+  return 0;
 }