WL#1895 - Print message to error log in case of detected MyISAM corruption

Changed my_error() to print error messages, which come from
arbitrary registered ranges of error messages. Messages can
be unregistered (and should be at end of the program).
Added registration of handler error messages.
Added a new mi_print_error() macro and a new 
mi_report_error() function, which supply error
messages with a table name.
Added calls to mi_print_error() or mi_report_error()
at all places in MyISAM, where table corruption is detected.


extra/comp_err.c:
  WL#1895 - Print message to error log in case of detected MyISAM corruption
  Added prints for ER_ERROR_FIRST and ER_ERROR_LAST.
  Removed print for ER_ERROR_MESSAGES.
include/errmsg.h:
  WL#1895 - Print message to error log in case of detected MyISAM corruption
  Added declaration for a new function.
  Added first and last error number defines.
include/my_base.h:
  WL#1895 - Print message to error log in case of detected MyISAM corruption
  Added first and last error number defines.
include/my_sys.h:
  WL#1895 - Print message to error log in case of detected MyISAM corruption
  Removed obsolete defines.
  Removed a global variable, which held pointers to the error message arrays.
  Added declarations for new functions.
include/mysys_err.h:
  WL#1895 - Print message to error log in case of detected MyISAM corruption
  Removed an obsolete define.
  Changed two defines to use the new defines.
  Added first and last error number defines.
libmysql/errmsg.c:
  WL#1895 - Print message to error log in case of detected MyISAM corruption
  Replaced global array initialization by proper registration
  and unregistration of client error messages.
libmysql/libmysql.c:
  WL#1895 - Print message to error log in case of detected MyISAM corruption
  Added a call for unregistration of client error messages.
myisam/mi_delete.c:
  WL#1895 - Print message to error log in case of detected MyISAM corruption
  Added calls to the new error logging function at all places, where
  corruption is detected.
  Added a debugging call to pretend MyISAM corruption in case a special
  debug string is set.
  Added a debugging call to test undefined error numbers in case a special
  debug string is set.
myisam/mi_extra.c:
  WL#1895 - Print message to error log in case of detected MyISAM corruption
  Added calls to the new error logging function at all places, where
  corruption is detected.
myisam/mi_info.c:
  WL#1895 - Print message to error log in case of detected MyISAM corruption
  Added the error logging function.
myisam/mi_key.c:
  WL#1895 - Print message to error log in case of detected MyISAM corruption
  Added calls to the new error logging function at all places, where
  corruption is detected.
myisam/mi_keycache.c:
  WL#1895 - Print message to error log in case of detected MyISAM corruption
  Added calls to the new error logging function at all places, where
  corruption is detected.
myisam/mi_locking.c:
  WL#1895 - Print message to error log in case of detected MyISAM corruption
  Added calls to the new error logging function at all places, where
  corruption is detected.
myisam/mi_open.c:
  WL#1895 - Print message to error log in case of detected MyISAM corruption
  Added calls to the new error logging function at all places, where
  corruption is detected.
  Added a debugging call to pretend MyISAM corruption in case a special
  debug string is set.
myisam/mi_page.c:
  WL#1895 - Print message to error log in case of detected MyISAM corruption
  Added calls to the new error logging function at all places, where
  corruption is detected.
myisam/mi_range.c:
  WL#1895 - Print message to error log in case of detected MyISAM corruption
  Added calls to the new error logging function at all places, where
  corruption is detected.
myisam/mi_rkey.c:
  WL#1895 - Print message to error log in case of detected MyISAM corruption
  Added calls to the new error logging function at all places, where
  corruption is detected.
myisam/mi_search.c:
  WL#1895 - Print message to error log in case of detected MyISAM corruption
  Added calls to the new error logging function at all places, where
  corruption is detected.
myisam/mi_update.c:
  WL#1895 - Print message to error log in case of detected MyISAM corruption
  Added calls to the new error logging function at all places, where
  corruption is detected.
  Added a debugging call to pretend MyISAM corruption in case a special
  debug string is set.
myisam/mi_write.c:
  WL#1895 - Print message to error log in case of detected MyISAM corruption
  Added calls to the new error logging function at all places, where
  corruption is detected.
  Added a debugging call to pretend MyISAM corruption in case a special
  debug string is set.
myisam/myisamdef.h:
  WL#1895 - Print message to error log in case of detected MyISAM corruption
  Added the declaration of the new error logging function
  and a new macro.
mysql-test/r/merge.result:
  WL#1895 - Print message to error log in case of detected MyISAM corruption
  Changed test results. These come from the changed error reporting
  in openfrm().
mysql-test/r/repair.result:
  WL#1895 - Print message to error log in case of detected MyISAM corruption
  Changed test results. These come from the changed error reporting
  in openfrm().
mysql-test/t/merge.test:
  WL#1895 - Print message to error log in case of detected MyISAM corruption
  Changederror numbers. These come from the changed error reporting
  in openfrm().
mysys/errors.c:
  WL#1895 - Print message to error log in case of detected MyISAM corruption
  Dropped the assignment of the global errors to the
  dropped global pointer array.
mysys/my_error.c:
  WL#1895 - Print message to error log in case of detected MyISAM corruption
  Changed my_error() from using a static array of pointers to
  error message arrays to using a linked list of structures
  with pointers to array message arrays.
  Added functions for registering and unregistering error 
  message arrays to the chain.
sql/derror.cc:
  WL#1895 - Print message to error log in case of detected MyISAM corruption
  Changed reading of mysqld error messages to using the new
  registering and unregistering functions.
sql/handler.cc:
  WL#1895 - Print message to error log in case of detected MyISAM corruption
  Added initialization and deinitialization of handler error messages.
  Included more handler error messages in the mapping to
  mysqld error messages.
sql/mysqld.cc:
  WL#1895 - Print message to error log in case of detected MyISAM corruption
  Changed deinitialization of error messages to proper
  unregistration.
sql/table.cc:
  WL#1895 - Print message to error log in case of detected MyISAM corruption
  Changed error reporting in openfrm() so that error messages from
  handler::ha_open() are reported by handler::print_error(). This
  changed messages from "Can't open 't1.MYI' (errno: 130)" to
  "Incorrect file format 't1'" for example.
sql/unireg.h:
  WL#1895 - Print message to error log in case of detected MyISAM corruption
  Changed two defines to use the new defines.

4 files changed, 22 insertions, 6 deletions

diff --git a/include/errmsg.h b/include/errmsg.h
index 6115b24a3d8..55bbdf6d767 100644
--- a/include/errmsg.h
+++ b/include/errmsg.h
@@ -21,6 +21,7 @@
 extern "C" {
 #endif
 void	init_client_errs(void);
+void	finish_client_errs(void);
 extern const char *client_errors[];	/* Error messages */
 #ifdef	__cplusplus
 }
@@ -35,6 +36,9 @@ extern const char *client_errors[];	/* Error messages */
 #endif
 #define CLIENT_ERRMAP		2	/* Errormap used by my_error() */
 
+/* Do not add error numbers before CR_ERROR_FIRST. */
+/* If necessary to add lower numbers, change CR_ERROR_FIRST accordingly. */
+#define CR_ERROR_FIRST  	2000 /*Copy first error nr.*/
 #define CR_UNKNOWN_ERROR	2000
 #define CR_SOCKET_CREATE_ERROR	2001
 #define CR_CONNECTION_ERROR	2002
@@ -90,3 +94,6 @@ extern const char *client_errors[];	/* Error messages */
 #define CR_SECURE_AUTH                          2049
 #define CR_FETCH_CANCELED                       2050
 #define CR_NO_DATA                              2051
+#define CR_ERROR_LAST  /*Copy last error nr:*/  2051
+/* Add error numbers before CR_ERROR_LAST and change it accordingly. */
+
diff --git a/include/my_base.h b/include/my_base.h
index 4d043cf6b5b..7c4c6d521ab 100644
--- a/include/my_base.h
+++ b/include/my_base.h
@@ -273,6 +273,9 @@ enum ha_base_keytype {
 	/* Errorcodes given by functions */
 
 /* opt_sum_query() assumes these codes are > 1 */
+/* Do not add error numbers before HA_ERR_FIRST. */
+/* If necessary to add lower numbers, change HA_ERR_FIRST accordingly. */
+#define HA_ERR_FIRST            120 /*Copy first error nr.*/
 #define HA_ERR_KEY_NOT_FOUND	120	/* Didn't find key on read or update */
 #define HA_ERR_FOUND_DUPP_KEY	121	/* Dupplicate key on write */
 #define HA_ERR_RECORD_CHANGED	123	/* Uppdate with is recoverable */
@@ -308,6 +311,9 @@ enum ha_base_keytype {
 #define HA_ERR_NO_SUCH_TABLE     155  /* The table does not exist in engine */
 #define HA_ERR_TABLE_EXIST       156  /* The table existed in storage engine */
 #define HA_ERR_NO_CONNECTION     157  /* Could not connect to storage engine */
+#define HA_ERR_LAST              157 /*Copy last error nr.*/
+/* Add error numbers before HA_ERR_LAST and change it accordingly. */
+#define HA_ERR_ERRORS            (HA_ERR_LAST - HA_ERR_FIRST + 1)
 
 	/* Other constants */
 
diff --git a/include/my_sys.h b/include/my_sys.h
index e630c9bdbba..cbcd6f0f833 100644
--- a/include/my_sys.h
+++ b/include/my_sys.h
@@ -43,8 +43,6 @@ extern int NEAR my_errno;		/* Last error in mysys */
 #define MYSYS_PROGRAM_DONT_USE_CURSES()  { error_handler_hook = my_message_no_curses; mysys_uses_curses=0;}
 #define MY_INIT(name);		{ my_progname= name; my_init(); }
 
-#define MAXMAPS		(4)	/* Number of error message maps */
-#define ERRMOD		(1000)	/* Max number of errors in a map */
 #define ERRMSGSIZE	(SC_MAXWIDTH)	/* Max length of a error message */
 #define NRERRBUFFS	(2)	/* Buffers for parameters */
 #define MY_FILE_ERROR	((uint) ~0)
@@ -213,7 +211,6 @@ void   __CDECL hfree(void *ptr);
 #else
 extern int errno;			/* declare errno */
 #endif
-extern const char ** NEAR my_errmsg[];
 extern char NEAR errbuff[NRERRBUFFS][ERRMSGSIZE];
 extern char *home_dir;			/* Home directory for user */
 extern char *my_progname;		/* program-name (printed in errors) */
@@ -610,6 +607,8 @@ extern int my_error _VARARGS((int nr,myf MyFlags, ...));
 extern int my_printf_error _VARARGS((uint my_err, const char *format,
 				     myf MyFlags, ...)
 				    __attribute__ ((format (printf, 2, 4))));
+extern int my_error_register(const char **errmsgs, int first, int last);
+extern const char **my_error_unregister(int first, int last);
 extern int my_message(uint my_err, const char *str,myf MyFlags);
 extern int my_message_no_curses(uint my_err, const char *str,myf MyFlags);
 extern int my_message_curses(uint my_err, const char *str,myf MyFlags);
diff --git a/include/mysys_err.h b/include/mysys_err.h
index 230be5f4720..1fd7c2eddc6 100644
--- a/include/mysys_err.h
+++ b/include/mysys_err.h
@@ -20,13 +20,15 @@
 extern "C" {
 #endif
 
-#define GLOB		0	/* Error maps */
-#define GLOBERRS	28	/* Max number of error messages in map's */
-#define EE(X)	globerrs[ X ]	/* Defines to add error to right map */
+#define GLOBERRS (EE_ERROR_LAST - EE_ERROR_FIRST + 1) /* Nr of global errors */
+#define EE(X)    (globerrs[(X) - EE_ERROR_FIRST])
 
 extern const char * NEAR globerrs[];	/* my_error_messages is here */
 
 /* Error message numbers in global map */
+/* Do not add error numbers before EE_ERROR_FIRST. */
+/* If necessary to add lower numbers, change EE_ERROR_FIRST accordingly. */
+#define EE_ERROR_FIRST          0 /*Copy first error nr.*/
 #define EE_FILENOTFOUND		0
 #define EE_CANTCREATEFILE	1
 #define EE_READ			2
@@ -54,6 +56,8 @@ extern const char * NEAR globerrs[];	/* my_error_messages is here */
 #define EE_CANT_SYMLINK		25
 #define EE_REALPATH		26
 #define EE_SYNC			27
+#define EE_ERROR_LAST           27 /*Copy last error nr.*/
+/* Add error numbers before EE_ERROR_LAST and change it accordingly. */
 
   /* exit codes for all MySQL programs */