MDEV-14130 InnoDB messages should not refer to the MySQL 5.7 manual

In InnoDB error messages, replace the hyperlink URLs to point
to the MariaDB knowledge base.

extra/innochecksum.cc

 /*
    Copyright (c) 2005, 2016, Oracle and/or its affiliates. All rights reserved.
-   Copyright (c) 2014, 2017, MariaDB Corporation.
+   Copyright (c) 2014, 2019, MariaDB Corporation.
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -1231,7 +1231,7 @@ static struct my_option innochecksum_options[] = {
   {"verbose", 'v', "Verbose (prints progress every 5 seconds).",
     &verbose, &verbose, 0, GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0},
 #ifndef DBUG_OFF
-  {"debug", '#', "Output debug log. See " REFMAN "dbug-package.html",
+  {"debug", '#', "Output debug log. See https://mariadb.com/kb/en/library/creating-a-trace-file/",
     &dbug_setting, &dbug_setting, 0, GET_STR, OPT_ARG, 0, 0, 0, 0, 0, 0},
 #endif /* !DBUG_OFF */
   {"count", 'c', "Print the count of pages in the file and exits.",
@@ -1298,7 +1298,8 @@ static void usage(void)
 		"[-p <page>] [-i] [-v]  [-a <allow mismatches>] [-n] "
 		"[-C <strict-check>] [-w <write>] [-S] [-D <page type dump>] "
 		"[-l <log>] [-l] [-m <merge pages>] <filename or [-]>\n", my_progname);
-	printf("See " REFMAN "innochecksum.html for usage hints.\n");
+	printf("See https://mariadb.com/kb/en/library/innochecksum/"
+	       " for usage hints.\n");
 	my_print_help(innochecksum_options);
 	my_print_variables(innochecksum_options);
 }

mysql-test/suite/innodb_zip/r/innochecksum_2.result

@@ -43,10 +43,12 @@ Copyright (c) YEAR, YEAR , Oracle, MariaDB Corporation Ab and others.
 
 InnoDB offline file checksum utility.
 Usage: innochecksum [-c] [-s <start page>] [-e <end page>] [-p <page>] [-i] [-v]  [-a <allow mismatches>] [-n] [-C <strict-check>] [-w <write>] [-S] [-D <page type dump>] [-l <log>] [-l] [-m <merge pages>] <filename or [-]>
+See https://mariadb.com/kb/en/library/innochecksum/ for usage hints.
   -?, --help          Displays this help and exits.
   -I, --info          Synonym for --help.
   -V, --version       Displays version information and exits.
   -v, --verbose       Verbose (prints progress every 5 seconds).
+                      https://mariadb.com/kb/en/library/creating-a-trace-file/
   -c, --count         Print the count of pages in the file and exits.
   -s, --start-page=#  Start on this page number (0 based).
   -e, --end-page=#    End at this page number (0 based).

storage/innobase/handler/ha_innodb.cc

@@ -6261,9 +6261,9 @@ ha_innobase::open(const char* name, int, uint)
 			<< n_cols << " user"
 			" defined columns in InnoDB, but " << n_fields
 			<< " columns in MariaDB. Please check"
-			" INFORMATION_SCHEMA.INNODB_SYS_COLUMNS and " REFMAN
-			"innodb-troubleshooting.html for how to resolve the"
-			" issue.";
+			" INFORMATION_SCHEMA.INNODB_SYS_COLUMNS and"
+			" https://mariadb.com/kb/en/innodb-data-dictionary-troubleshooting/"
+			" for how to resolve the issue.";
 
 		/* Mark this table as corrupted, so the drop table
 		or force recovery can still use it, but not others. */
@@ -22101,11 +22101,11 @@ ib_errf(
 /* Keep the first 16 characters as-is, since the url is sometimes used
 as an offset from this.*/
 const char*	TROUBLESHOOTING_MSG =
-	"Please refer to " REFMAN "innodb-troubleshooting.html"
+	"Please refer to https://mariadb.com/kb/en/innodb-troubleshooting/"
 	" for how to resolve the issue.";
 
 const char*	TROUBLESHOOT_DATADICT_MSG =
-	"Please refer to " REFMAN "innodb-troubleshooting-datadict.html"
+	"Please refer to https://mariadb.com/kb/en/innodb-data-dictionary-troubleshooting/"
 	" for how to resolve the issue.";
 
 const char*	BUG_REPORT_MSG =
@@ -22116,9 +22116,6 @@ const char*	FORCE_RECOVERY_MSG =
 	"https://mariadb.com/kb/en/library/innodb-recovery-modes/"
 	" for information about forcing recovery.";
 
-const char*	ERROR_CREATING_MSG =
-	"Please refer to " REFMAN "error-creating-innodb.html";
-
 const char*	OPERATING_SYSTEM_ERROR_MSG =
 	"Some operating system error numbers are described at"
 	" https://mariadb.com/kb/en/library/operating-system-error-codes/";
@@ -22511,8 +22508,7 @@ ib_push_frm_error(
 			" Have you mixed up "
 			".frm files from different "
 			"installations? See "
-			REFMAN
-			"innodb-troubleshooting.html\n",
+			"https://mariadb.com/kb/en/innodb-troubleshooting/\n",
 			ib_table->name.m_name);
 
 		if (push_warning) {
@@ -22555,8 +22551,7 @@ ib_push_frm_error(
 			" Have you mixed up "
 			".frm files from different "
 			"installations? See "
-			REFMAN
-			"innodb-troubleshooting.html\n",
+			"https://mariadb.com/kb/en/innodb-troubleshooting/\n",
 			ib_table->name.m_name, n_keys,
 			table->s->keys);
 

storage/innobase/include/ha_prototypes.h

 /*****************************************************************************
 
 Copyright (c) 2006, 2016, Oracle and/or its affiliates. All Rights Reserved.
-Copyright (c) 2017, 2018, MariaDB Corporation.
+Copyright (c) 2017, 2019, MariaDB Corporation.
 
 This program is free software; you can redistribute it and/or modify it under
 the terms of the GNU General Public License as published by the Free Software
@@ -442,7 +442,6 @@ extern const char* 	TROUBLESHOOTING_MSG;
 extern const char* 	TROUBLESHOOT_DATADICT_MSG;
 extern const char* 	BUG_REPORT_MSG;
 extern const char* 	FORCE_RECOVERY_MSG;
-extern const char*      ERROR_CREATING_MSG;
 extern const char*      OPERATING_SYSTEM_ERROR_MSG;
 extern const char*      FOREIGN_KEY_CONSTRAINTS_MSG;
 extern const char*      SET_TRANSACTION_MSG;

storage/innobase/include/univ.i

@@ -57,10 +57,6 @@ component, i.e. we show M.N.P as M.N */
 	IB_TO_STR(INNODB_VERSION_MINOR) "."	\
 	IB_TO_STR(INNODB_VERSION_BUGFIX)
 
-#define REFMAN "http://dev.mysql.com/doc/refman/"	\
-	IB_TO_STR(INNODB_VERSION_MAJOR) "."		\
-	IB_TO_STR(INNODB_VERSION_MINOR) "/en/"
-
 /** How far ahead should we tell the service manager the timeout
 (time in seconds) */
 #define INNODB_EXTEND_TIMEOUT_INTERVAL 30

storage/innobase/log/log0recv.cc

@@ -1325,7 +1325,7 @@ recv_find_max_checkpoint(ulint* max_field)
 			" The redo log was created"
 			" with " << creator <<
 			". Please follow the instructions at "
-			REFMAN "upgrading-downgrading.html";
+			"https://mariadb.com/kb/en/library/upgrading/";
 		/* Do not issue a message about a possibility
 		to cleanly shut down the newer server version
 		and to remove the redo logs, because the