Added variable ARIA_CHECKPOINT_LOG_ACTIVITY to allow one to specify how often we should do a checkpoint.

Added more error printing to log if log_warnings > 2
Give an error if checkpoint record is not correct,

mysql-test/suite/maria/r/compat_aliases.result:
  Added ARIA_CHECKPOINT_LOG_ACTIVITY
mysql-test/suite/maria/r/maria3.result:
  Added ARIA_CHECKPOINT_LOG_ACTIVITY
storage/maria/ha_maria.cc:
  Added ARIA_CHECKPOINT_LOG_ACTIVITY
  Added more error printing to log if log_warnings > 2
  Added db and table name to error message when printing to log
storage/maria/ma_check.c:
  Fixed bug where we didn't reset some variables between repair() calls
storage/maria/ma_checkpoint.c:
  Made maria_checkpoint_min_activity global.
  Don't do checkpoint if no data logged.
  Changed test for if we should do checkpoint to test separately for if log has grown or if we have had a lot of of cache writes.
storage/maria/ma_recovery.c:
  Give an error if checkpoint record is not correct
storage/maria/trnman.c:
  Don't print not needed long_transaction_id entries for checkpoints.

1 files changed, 1 insertions, 0 deletions

diff --git a/storage/maria/trnman.c b/storage/maria/trnman.c
index 05330baed76..36880a59b51 100644
--- a/storage/maria/trnman.c
+++ b/storage/maria/trnman.c
@@ -179,6 +179,7 @@ int trnman_init(TrID initial_trid)
   trnman_allocated_transactions= 0;
   /* This is needed for recovery and repair */
   dummy_transaction_object.min_read_from= ~(TrID) 0;
+  dummy_transaction_object.first_undo_lsn= TRANSACTION_LOGGED_LONG_ID;
 
   pool= 0;
   global_trid_generator= initial_trid;