Adapt InnoDB to the new tablename to filename encoding in MySQL 5.1.

ut_print_name(), ut_print_namel(): Add parameter table_id for distinguishing
names of tables from other identifiers (names of indexes, columns and
constraints).

innobase_convert_from_table_id(), innobase_convert_from_id(),
innobase_convert_from_filename(), innobase_get_charset(): New functions.

dict_accept(), dict_scan_id(), dict_scan_col(), dict_scan_table_name(),
dict_skip_word(), dict_create_foreign_constraints_low():
Add parameter "cs", so that isspace() can be replaced with my_isspace(),
whose operation depends on the connection character set.

dict_scan_id(): Convert the identifier to UTF-8.

dict_str_starts_with_keyword(): New extern function, to replace dict_accept()
in row_search_for_mysql().

mysql_get_identifier_quote_char(): Replaced with innobase_print_identifier().

ha_innobase::create(): Remove the thd->convert_string() call.
Pass the statement to InnoDB in the connection character set
and let InnoDB convert the identifiers to UTF-8.

btr/btr0btr.c

@@ -605,9 +605,9 @@ btr_page_get_father_for_rec(
 		buf_page_print(buf_frame_align(node_ptr));
 
 		fputs("InnoDB: Corruption of an index tree: table ", stderr);
-		ut_print_name(stderr, NULL, index->table_name);
+		ut_print_name(stderr, NULL, TRUE, index->table_name);
 		fputs(", index ", stderr);
-		ut_print_name(stderr, NULL, index->name);
+		ut_print_name(stderr, NULL, FALSE, index->name);
 		fprintf(stderr, ",\n"
 "InnoDB: father ptr page no %lu, child page no %lu\n",
 			(ulong)

dict/dict0crea.c

@@ -1250,9 +1250,9 @@ dict_foreign_eval_sql(
 		ut_print_timestamp(ef);
 		fputs(" Error in foreign key constraint creation for table ",
 			ef);
-		ut_print_name(ef, trx, table->name);
+		ut_print_name(ef, trx, TRUE, table->name);
 		fputs(".\nA foreign key constraint of name ", ef);
-		ut_print_name(ef, trx, foreign->id);
+		ut_print_name(ef, trx, FALSE, foreign->id);
 		fputs("\nalready exists."
 			" (Note that internally InnoDB adds 'databasename/'\n"
 			"in front of the user-defined constraint name).\n",
@@ -1280,7 +1280,7 @@ dict_foreign_eval_sql(
 		ut_print_timestamp(ef);
 		fputs(" Internal error in foreign key constraint creation"
 			" for table ", ef);
-		ut_print_name(ef, trx, table->name);
+		ut_print_name(ef, trx, TRUE, table->name);
 		fputs(".\n"
 	"See the MySQL .err log in the datadir for more information.\n", ef);
 		mutex_exit(&dict_foreign_err_mutex);

dict/dict0dict.c

@@ -26,6 +26,9 @@ Created 1/8/1996 Heikki Tuuri
 #include "pars0sym.h"
 #include "que0que.h"
 #include "rem0cmp.h"
+#ifndef UNIV_HOTBACKUP
+# include "m_ctype.h" /* my_isspace() */
+#endif /* !UNIV_HOTBACKUP */
 
 dict_sys_t*	dict_sys	= NULL;	/* the dictionary system */
 
@@ -55,6 +58,42 @@ static char	dict_ibfk[] = "_ibfk_";
 
 #ifndef UNIV_HOTBACKUP
 /**********************************************************************
+Converts an identifier to a table name.
+
+NOTE: the prototype of this function is copied from ha_innodb.cc! If you change
+this function, you MUST change also the prototype here! */
+extern
+void
+innobase_convert_from_table_id(
+/*===========================*/
+	char*		to,	/* out: converted identifier */
+	const char*	from,	/* in: identifier to convert */
+	ulint		len);	/* in: length of 'to', in bytes;
+				should be at least 5 * strlen(to) + 1 */
+/**********************************************************************
+Converts an identifier to UTF-8.
+
+NOTE: the prototype of this function is copied from ha_innodb.cc! If you change
+this function, you MUST change also the prototype here! */
+extern
+void
+innobase_convert_from_id(
+/*=====================*/
+	char*		to,	/* out: converted identifier */
+	const char*	from,	/* in: identifier to convert */
+	ulint		len);	/* in: length of 'to', in bytes;
+				should be at least 3 * strlen(to) + 1 */
+/**********************************************************************
+Removes the filename encoding of a table or database name.
+
+NOTE: the prototype of this function is copied from ha_innodb.cc! If you change
+this function, you MUST change also the prototype here! */
+extern
+void
+innobase_convert_from_filename(
+/*===========================*/
+	char*		s);	/* in: identifier; out: decoded identifier */
+/**********************************************************************
 Compares NUL-terminated UTF-8 strings case insensitively.
 
 NOTE: the prototype of this function is copied from ha_innodb.cc! If you change
@@ -77,6 +116,17 @@ void
 innobase_casedn_str(
 /*================*/
 	char*	a);	/* in/out: string to put in lower case */
+
+/**************************************************************************
+Determines the connection character set.
+
+NOTE: the prototype of this function is copied from ha_innodb.cc! If you change
+this function, you MUST change also the prototype here! */
+struct charset_info_st*
+innobase_get_charset(
+/*=================*/
+				/* out: connection character set */
+	void*	mysql_thd);	/* in: MySQL thread handle */
 #endif /* !UNIV_HOTBACKUP */
 
 /**************************************************************************
@@ -1400,6 +1450,7 @@ dict_index_add_to_cache(
 
 	ut_ad(mem_heap_validate(index->heap));
 
+#ifdef UNIV_DEBUG
 	{
 		dict_index_t*	index2;
 		index2 = UT_LIST_GET_FIRST(table->indexes);
@@ -1409,10 +1460,11 @@ dict_index_add_to_cache(
 
 			index2 = UT_LIST_GET_NEXT(indexes, index2);
 		}
-
-		ut_a(UT_LIST_GET_LEN(table->indexes) == 0
-				|| (index->type & DICT_CLUSTERED) == 0);
 	}
+#endif /* UNIV_DEBUG */
+
+	ut_a(!(index->type & DICT_CLUSTERED)
+			|| UT_LIST_GET_LEN(table->indexes) == 0);
 
 	success = dict_index_find_cols(table, index);
 
@@ -2045,6 +2097,7 @@ dict_foreign_find(
 	return(NULL);
 }
 
+#ifndef UNIV_HOTBACKUP
 /*************************************************************************
 Tries to find an index whose first fields are the columns in the array,
 in the same order. */
@@ -2062,7 +2115,6 @@ dict_foreign_find_index(
 					only has an effect if types_idx !=
 					NULL. */
 {
-#ifndef UNIV_HOTBACKUP
 	dict_index_t*	index;
 	const char*	col_name;
 	ulint		i;
@@ -2108,13 +2160,6 @@ dict_foreign_find_index(
 	}
 
 	return(NULL);
-#else /* UNIV_HOTBACKUP */
-	/* This function depends on MySQL code that is not included in
-	InnoDB Hot Backup builds.  Besides, this function should never
-	be called in InnoDB Hot Backup. */
-	ut_error;
-	return(NULL);
-#endif /* UNIV_HOTBACKUP */
 }
 
 /**************************************************************************
@@ -2150,7 +2195,7 @@ dict_foreign_error_report(
 	putc('\n', file);
 	if (fk->foreign_index) {
 		fputs("The index in the foreign key in table is ", file);
-		ut_print_name(file, NULL, fk->foreign_index->name);
+		ut_print_name(file, NULL, FALSE, fk->foreign_index->name);
 		fputs(
 "\nSee http://dev.mysql.com/doc/mysql/en/InnoDB_foreign_key_constraints.html\n"
 "for correct foreign key definition.\n",
@@ -2313,12 +2358,13 @@ dict_scan_to(
 
 /*************************************************************************
 Accepts a specified string. Comparisons are case-insensitive. */
-
+static
 const char*
 dict_accept(
 /*========*/
 				/* out: if string was accepted, the pointer
 				is moved after that, else ptr is returned */
+	struct charset_info_st*	cs,/* in: the character set of ptr */
 	const char*	ptr,	/* in: scan from this */
 	const char*	string,	/* in: accept only this string as the next
 				non-whitespace string */
@@ -2329,7 +2375,7 @@ dict_accept(
 
 	*success = FALSE;
 
-	while (isspace(*ptr)) {
+	while (my_isspace(cs, *ptr)) {
 		ptr++;
 	}
 
@@ -2354,12 +2400,15 @@ const char*
 dict_scan_id(
 /*=========*/
 				/* out: scanned to */
+	struct charset_info_st*	cs,/* in: the character set of ptr */
 	const char*	ptr,	/* in: scanned to */
 	mem_heap_t*	heap,	/* in: heap where to allocate the id
 				(NULL=id will not be allocated, but it
 				will point to string near ptr) */
 	const char**	id,	/* out,own: the id; NULL if no id was
 				scannable */
+	ibool		table_id,/* in: TRUE=convert the allocated id
+				as a table name; FALSE=convert to UTF-8 */
 	ibool		accept_also_dot)
 				/* in: TRUE if also a dot can appear in a
 				non-quoted id; in a quoted id it can appear
@@ -2368,13 +2417,12 @@ dict_scan_id(
 	char		quote	= '\0';
 	ulint		len	= 0;
 	const char*	s;
-	char*		d;
-	ulint		id_len;
-	byte*		b;
+	char*		str;
+	char*		dst;
 
 	*id = NULL;
 
-	while (isspace(*ptr)) {
+	while (my_isspace(cs, *ptr)) {
 		ptr++;
 	}
 
@@ -2405,7 +2453,7 @@ dict_scan_id(
 			len++;
 		}
 	} else {
-		while (!isspace(*ptr) && *ptr != '(' && *ptr != ')'
+		while (!my_isspace(cs, *ptr) && *ptr != '(' && *ptr != ')'
 			&& (accept_also_dot || *ptr != '.')
 			&& *ptr != ',' && *ptr != '\0') {
 
@@ -2415,43 +2463,50 @@ dict_scan_id(
 		len = ptr - s;
 	}
 
-	if (quote && heap) {
-		*id = d = mem_heap_alloc(heap, len + 1);
+	if (UNIV_UNLIKELY(!heap)) {
+		/* no heap given: id will point to source string */
+		*id = s;
+		return(ptr);
+	}
+
+	if (quote) {
+		char*	d;
+		str = d = mem_heap_alloc(heap, len + 1);
 		while (len--) {
 			if ((*d++ = *s++) == quote) {
 				s++;
 			}
 		}
 		*d++ = 0;
-		ut_a(*s == quote);
-		ut_a(s + 1 == ptr);
-	} else if (heap) {
-		*id = mem_heap_strdupl(heap, s, len);
+		len = d - str;
+		ut_ad(*s == quote);
+		ut_ad(s + 1 == ptr);
 	} else {
-		/* no heap given: id will point to source string */
-		*id = s;
-	}
-
-	if (heap && !quote) {
-		/* EMS MySQL Manager sometimes adds characters 0xA0 (in
-		latin1, a 'non-breakable space') to the end of a table name.
-		But isspace(0xA0) is not true, which confuses our foreign key
-		parser. After the UTF-8 conversion in ha_innodb.cc, bytes 0xC2
-		and 0xA0 are at the end of the string.
-
-		TODO: we should lex the string using thd->charset_info, and
-		my_isspace(). Only after that, convert id names to UTF-8. */
-
-		b = (byte*)(*id);
-		id_len = strlen((char*) b);
-
-		if (id_len >= 3 && b[id_len - 1] == 0xA0
-			&& b[id_len - 2] == 0xC2) {
-
-			/* Strip the 2 last bytes */
+		str = mem_heap_strdupl(heap, s, len);
+	}
+
+	if (!table_id) {
+convert_id:
+		/* Convert the identifier from connection character set
+		to UTF-8. */
+		len = 3 * len + 1;
+		*id = dst = mem_heap_alloc(heap, len);
+
+		innobase_convert_from_id(dst, str, len);
+	} else if (!strncmp(str, srv_mysql50_table_name_prefix,
+				sizeof srv_mysql50_table_name_prefix)) {
+		/* This is a pre-5.1 table name
+		containing chars other than [A-Za-z0-9].
+		Discard the prefix and use raw UTF-8 encoding. */
+		str += sizeof srv_mysql50_table_name_prefix;
+		len -= sizeof srv_mysql50_table_name_prefix;
+		goto convert_id;
+	} else {
+		/* Encode using filename-safe characters. */
+		len = 5 * len + 1;
+		*id = dst = mem_heap_alloc(heap, len);
 
-			b[id_len - 2] = '\0';
-		}
+		innobase_convert_from_table_id(dst, str, len);
 	}
 
 	return(ptr);
@@ -2464,6 +2519,7 @@ const char*
 dict_scan_col(
 /*==========*/
 				/* out: scanned to */
+	struct charset_info_st*	cs,/* in: the character set of ptr */
 	const char*	ptr,	/* in: scanned to */
 	ibool*		success,/* out: TRUE if success */
 	dict_table_t*	table,	/* in: table in which the column is */
@@ -2472,13 +2528,12 @@ dict_scan_col(
 	const char**	name)	/* out,own: the column name; NULL if no name
 				was scannable */
 {
-#ifndef UNIV_HOTBACKUP
 	dict_col_t*	col;
 	ulint		i;
 
 	*success = FALSE;
 
-	ptr = dict_scan_id(ptr, heap, name, TRUE);
+	ptr = dict_scan_id(cs, ptr, heap, name, FALSE, TRUE);
 
 	if (*name == NULL) {
 
@@ -2506,13 +2561,6 @@ dict_scan_col(
 	}
 
 	return(ptr);
-#else /* UNIV_HOTBACKUP */
-	/* This function depends on MySQL code that is not included in
-	InnoDB Hot Backup builds.  Besides, this function should never
-	be called in InnoDB Hot Backup. */
-	ut_error;
-	return(NULL);
-#endif /* UNIV_HOTBACKUP */
 }
 
 /*************************************************************************
@@ -2522,6 +2570,7 @@ const char*
 dict_scan_table_name(
 /*=================*/
 				/* out: scanned to */
+	struct charset_info_st*	cs,/* in: the character set of ptr */
 	const char*	ptr,	/* in: scanned to */
 	dict_table_t**	table,	/* out: table object or NULL */
 	const char*	name,	/* in: foreign key table name */
@@ -2530,7 +2579,6 @@ dict_scan_table_name(
 	const char**	ref_name)/* out,own: the table name;
 				NULL if no name was scannable */
 {
-#ifndef UNIV_HOTBACKUP
 	const char*	database_name	= NULL;
 	ulint		database_name_len = 0;
 	const char*	table_name	= NULL;
@@ -2541,7 +2589,7 @@ dict_scan_table_name(
 	*success = FALSE;
 	*table = NULL;
 
-	ptr = dict_scan_id(ptr, heap, &scan_name, FALSE);
+	ptr = dict_scan_id(cs, ptr, heap, &scan_name, TRUE, FALSE);
 
 	if (scan_name == NULL) {
 
@@ -2556,7 +2604,7 @@ dict_scan_table_name(
 		database_name = scan_name;
 		database_name_len = strlen(database_name);
 
-		ptr = dict_scan_id(ptr, heap, &table_name, FALSE);
+		ptr = dict_scan_id(cs, ptr, heap, &table_name, TRUE, FALSE);
 
 		if (table_name == NULL) {
 
@@ -2611,14 +2659,14 @@ dict_scan_table_name(
 	*ref_name = ref;
 	*table = dict_table_get_low(ref);
 
+	if (!*table) {
+		/* Try to look up the table with UTF-8 encoded name. */
+
+		innobase_convert_from_filename(ref);
+		*table = dict_table_get_low(ref);
+	}
+
 	return(ptr);
-#else /* UNIV_HOTBACKUP */
-	/* This function depends on MySQL code that is not included in
-	InnoDB Hot Backup builds.  Besides, this function should never
-	be called in InnoDB Hot Backup. */
-	ut_error;
-	return(NULL);
-#endif /* UNIV_HOTBACKUP */
 }
 
 /*************************************************************************
@@ -2628,6 +2676,7 @@ const char*
 dict_skip_word(
 /*===========*/
 				/* out: scanned to */
+	struct charset_info_st*	cs,/* in: the character set of ptr */
 	const char*	ptr,	/* in: scanned to */
 	ibool*		success)/* out: TRUE if success, FALSE if just spaces
 				left in string or a syntax error */
@@ -2636,7 +2685,7 @@ dict_skip_word(
 
 	*success = FALSE;
 
-	ptr = dict_scan_id(ptr, NULL, &start, TRUE);
+	ptr = dict_scan_id(cs, ptr, NULL, &start, FALSE, TRUE);
 
 	if (start) {
 		*success = TRUE;
@@ -2814,6 +2863,7 @@ dict_create_foreign_constraints_low(
 				/* out: error code or DB_SUCCESS */
 	trx_t*		trx,	/* in: transaction */
 	mem_heap_t*	heap,	/* in: memory heap */
+	struct charset_info_st*	cs,/* in: the character set of sql_string */
 	const char*	sql_string,
 				/* in: CREATE TABLE or ALTER TABLE statement
 				where foreign keys are declared like:
@@ -2871,14 +2921,14 @@ dict_create_foreign_constraints_low(
 	/* First check if we are actually doing an ALTER TABLE, and in that
 	case look for the table being altered */
 
-	ptr = dict_accept(ptr, "ALTER", &success);
+	ptr = dict_accept(cs, ptr, "ALTER", &success);
 
 	if (!success) {
 
 		goto loop;
 	}
 
-	ptr = dict_accept(ptr, "TABLE", &success);
+	ptr = dict_accept(cs, ptr, "TABLE", &success);
 
 	if (!success) {
 
@@ -2887,7 +2937,7 @@ dict_create_foreign_constraints_low(
 
 	/* We are doing an ALTER TABLE: scan the table name we are altering */
 
-	ptr = dict_scan_table_name(ptr, &table_to_alter, name,
+	ptr = dict_scan_table_name(cs, ptr, &table_to_alter, name,
 				&success, heap, &referenced_table_name);
 	if (!success) {
 		fprintf(stderr,
@@ -2927,21 +2977,22 @@ dict_create_foreign_constraints_low(
 		of the constraint to system tables. */
 		ptr = ptr1;
 
-		ptr = dict_accept(ptr, "CONSTRAINT", &success);
+		ptr = dict_accept(cs, ptr, "CONSTRAINT", &success);
 
 		ut_a(success);
 
-		if (!isspace(*ptr) && *ptr != '"' && *ptr != '`') {
+		if (!my_isspace(cs, *ptr) && *ptr != '"' && *ptr != '`') {
 			goto loop;
 		}
 
-		while (isspace(*ptr)) {
+		while (my_isspace(cs, *ptr)) {
 			ptr++;
 		}
 
 		/* read constraint name unless got "CONSTRAINT FOREIGN" */
 		if (ptr != ptr2) {
-			ptr = dict_scan_id(ptr, heap, &constraint_name, FALSE);
+			ptr = dict_scan_id(cs, ptr, heap,
+					&constraint_name, FALSE, FALSE);
 		}
 	} else {
 		ptr = ptr2;
@@ -2971,28 +3022,28 @@ dict_create_foreign_constraints_low(
 
 	start_of_latest_foreign = ptr;
 
-	ptr = dict_accept(ptr, "FOREIGN", &success);
+	ptr = dict_accept(cs, ptr, "FOREIGN", &success);
 
 	if (!success) {
 		goto loop;
 	}
 
-	if (!isspace(*ptr)) {
+	if (!my_isspace(cs, *ptr)) {
 		goto loop;
 	}
 
-	ptr = dict_accept(ptr, "KEY", &success);
+	ptr = dict_accept(cs, ptr, "KEY", &success);
 
 	if (!success) {
 		goto loop;
 	}
 
-	ptr = dict_accept(ptr, "(", &success);
+	ptr = dict_accept(cs, ptr, "(", &success);
 
 	if (!success) {
 		/* MySQL allows also an index id before the '('; we
 		skip it */
-		ptr = dict_skip_word(ptr, &success);
+		ptr = dict_skip_word(cs, ptr, &success);
 
 		if (!success) {
 			dict_foreign_report_syntax_err(name,
@@ -3001,7 +3052,7 @@ dict_create_foreign_constraints_low(
 			return(DB_CANNOT_ADD_CONSTRAINT);
 		}
 
-		ptr = dict_accept(ptr, "(", &success);
+		ptr = dict_accept(cs, ptr, "(", &success);
 
 		if (!success) {
 			/* We do not flag a syntax error here because in an
@@ -3016,7 +3067,7 @@ dict_create_foreign_constraints_low(
 	/* Scan the columns in the first list */
 col_loop1:
 	ut_a(i < (sizeof column_names) / sizeof *column_names);
-	ptr = dict_scan_col(ptr, &success, table, columns + i,
+	ptr = dict_scan_col(cs, ptr, &success, table, columns + i,
 				heap, column_names + i);
 	if (!success) {
 		mutex_enter(&dict_foreign_err_mutex);
@@ -3030,13 +3081,13 @@ dict_create_foreign_constraints_low(
 
 	i++;
 
-	ptr = dict_accept(ptr, ",", &success);
+	ptr = dict_accept(cs, ptr, ",", &success);
 
 	if (success) {
 		goto col_loop1;
 	}
 
-	ptr = dict_accept(ptr, ")", &success);
+	ptr = dict_accept(cs, ptr, ")", &success);
 
 	if (!success) {
 		dict_foreign_report_syntax_err(name, start_of_latest_foreign,
@@ -3053,7 +3104,7 @@ dict_create_foreign_constraints_low(
 		mutex_enter(&dict_foreign_err_mutex);
 		dict_foreign_error_report_low(ef, name);
 		fputs("There is no index in table ", ef);
-		ut_print_name(ef, NULL, name);
+		ut_print_name(ef, NULL, TRUE, name);
 		fprintf(ef, " where the columns appear\n"
 "as the first columns. Constraint:\n%s\n"
 "See http://dev.mysql.com/doc/mysql/en/InnoDB_foreign_key_constraints.html\n"
@@ -3063,9 +3114,9 @@ dict_create_foreign_constraints_low(
 
 		return(DB_CANNOT_ADD_CONSTRAINT);
 	}
-	ptr = dict_accept(ptr, "REFERENCES", &success);
+	ptr = dict_accept(cs, ptr, "REFERENCES", &success);
 
-	if (!success || !isspace(*ptr)) {
+	if (!success || !my_isspace(cs, *ptr)) {
 		dict_foreign_report_syntax_err(name, start_of_latest_foreign,
 									ptr);
 		return(DB_CANNOT_ADD_CONSTRAINT);
@@ -3105,7 +3156,7 @@ dict_create_foreign_constraints_low(
 			mem_heap_strdup(foreign->heap, columns[i]->name);
 	}
 
-	ptr = dict_scan_table_name(ptr, &referenced_table, name,
+	ptr = dict_scan_table_name(cs, ptr, &referenced_table, name,
 				&success, heap, &referenced_table_name);
 
 	/* Note that referenced_table can be NULL if the user has suppressed
@@ -3124,7 +3175,7 @@ dict_create_foreign_constraints_low(
 		return(DB_CANNOT_ADD_CONSTRAINT);
 	}
 
-	ptr = dict_accept(ptr, "(", &success);
+	ptr = dict_accept(cs, ptr, "(", &success);
 
 	if (!success) {
 		dict_foreign_free(foreign);
@@ -3137,7 +3188,7 @@ dict_create_foreign_constraints_low(
 	i = 0;
 
 col_loop2:
-	ptr = dict_scan_col(ptr, &success, referenced_table, columns + i,
+	ptr = dict_scan_col(cs, ptr, &success, referenced_table, columns + i,
 				heap, column_names + i);
 	i++;
 
@@ -3154,13 +3205,13 @@ dict_create_foreign_constraints_low(
 		return(DB_CANNOT_ADD_CONSTRAINT);
 	}
 
-	ptr = dict_accept(ptr, ",", &success);
+	ptr = dict_accept(cs, ptr, ",", &success);
 
 	if (success) {
 		goto col_loop2;
 	}
 
-	ptr = dict_accept(ptr, ")", &success);
+	ptr = dict_accept(cs, ptr, ")", &success);
 
 	if (!success || foreign->n_fields != i) {
 		dict_foreign_free(foreign);
@@ -3176,17 +3227,17 @@ dict_create_foreign_constraints_low(
 scan_on_conditions:
 	/* Loop here as long as we can find ON ... conditions */
 
-	ptr = dict_accept(ptr, "ON", &success);
+	ptr = dict_accept(cs, ptr, "ON", &success);
 
 	if (!success) {
 
 		goto try_find_index;
 	}
 
-	ptr = dict_accept(ptr, "DELETE", &success);
+	ptr = dict_accept(cs, ptr, "DELETE", &success);
 
 	if (!success) {
-		ptr = dict_accept(ptr, "UPDATE", &success);
+		ptr = dict_accept(cs, ptr, "UPDATE", &success);
 
 		if (!success) {
 			dict_foreign_free(foreign);
@@ -3203,13 +3254,13 @@ dict_create_foreign_constraints_low(
 		n_on_deletes++;
 	}
 
-	ptr = dict_accept(ptr, "RESTRICT", &success);
+	ptr = dict_accept(cs, ptr, "RESTRICT", &success);
 
 	if (success) {
 		goto scan_on_conditions;
 	}
 
-	ptr = dict_accept(ptr, "CASCADE", &success);
+	ptr = dict_accept(cs, ptr, "CASCADE", &success);
 
 	if (success) {
 		if (is_on_delete) {
@@ -3221,10 +3272,10 @@ dict_create_foreign_constraints_low(
 		goto scan_on_conditions;
 	}
 
-	ptr = dict_accept(ptr, "NO", &success);
+	ptr = dict_accept(cs, ptr, "NO", &success);
 
 	if (success) {
-		ptr = dict_accept(ptr, "ACTION", &success);
+		ptr = dict_accept(cs, ptr, "ACTION", &success);
 
 		if (!success) {
 			dict_foreign_free(foreign);
@@ -3243,7 +3294,7 @@ dict_create_foreign_constraints_low(
 		goto scan_on_conditions;
 	}
 
-	ptr = dict_accept(ptr, "SET", &success);
+	ptr = dict_accept(cs, ptr, "SET", &success);
 
 	if (!success) {
 		dict_foreign_free(foreign);
@@ -3252,7 +3303,7 @@ dict_create_foreign_constraints_low(
 		return(DB_CANNOT_ADD_CONSTRAINT);
 	}
 
-	ptr = dict_accept(ptr, "NULL", &success);
+	ptr = dict_accept(cs, ptr, "NULL", &success);
 
 	if (!success) {
 		dict_foreign_free(foreign);
@@ -3362,6 +3413,25 @@ dict_create_foreign_constraints_low(
 	goto loop;
 }
 
+/**************************************************************************
+Determines whether a string starts with the specified keyword. */
+
+ibool
+dict_str_starts_with_keyword(
+/*=========================*/
+					/* out: TRUE if str starts
+					with keyword */
+	void*		mysql_thd,	/* in: MySQL thread handle */
+	const char*	str,		/* in: string to scan for keyword */
+	const char*	keyword)	/* in: keyword to look for */
+{
+	struct charset_info_st*	cs	= innobase_get_charset(mysql_thd);
+	ibool			success;
+
+	dict_accept(cs, str, keyword, &success);
+	return(success);
+}
+
 /*************************************************************************
 Scans a table create SQL string and adds to the data dictionary the foreign
 key constraints declared in the string. This function should be called after
@@ -3393,11 +3463,14 @@ dict_create_foreign_constraints(
 	ulint			err;
 	mem_heap_t*		heap;
 
+	ut_a(trx && trx->mysql_thd);
+
 	str = dict_strip_comments(sql_string);
 	heap = mem_heap_create(10000);
 
-	err = dict_create_foreign_constraints_low(trx, heap, str, name,
-		reject_fks);
+	err = dict_create_foreign_constraints_low(trx, heap,
+			innobase_get_charset(trx->mysql_thd),
+			str, name, reject_fks);
 
 	mem_heap_free(heap);
 	mem_free(str);
@@ -3430,6 +3503,11 @@ dict_foreign_parse_drop_constraints(
 	const char*		ptr;
 	const char*		id;
 	FILE*			ef	= dict_foreign_err_file;
+	struct charset_info_st*	cs;
+
+	ut_a(trx && trx->mysql_thd);
+
+	cs = innobase_get_charset(trx->mysql_thd);
 
 	*n = 0;
 
@@ -3450,28 +3528,28 @@ dict_foreign_parse_drop_constraints(
 		return(DB_SUCCESS);
 	}
 
-	ptr = dict_accept(ptr, "DROP", &success);
+	ptr = dict_accept(cs, ptr, "DROP", &success);
 
-	if (!isspace(*ptr)) {
+	if (!my_isspace(cs, *ptr)) {
 
 		goto loop;
 	}
 
-	ptr = dict_accept(ptr, "FOREIGN", &success);
+	ptr = dict_accept(cs, ptr, "FOREIGN", &success);
 
 	if (!success) {
 
 		goto loop;
 	}
 
-	ptr = dict_accept(ptr, "KEY", &success);
+	ptr = dict_accept(cs, ptr, "KEY", &success);
 
 	if (!success) {
 
 		goto syntax_error;
 	}
 
-	ptr = dict_scan_id(ptr, heap, &id, TRUE);
+	ptr = dict_scan_id(cs, ptr, heap, &id, FALSE, TRUE);
 
 	if (id == NULL) {
 
@@ -3504,12 +3582,12 @@ dict_foreign_parse_drop_constraints(
 		ut_print_timestamp(ef);
 		fputs(
 	" Error in dropping of a foreign key constraint of table ", ef);
-		ut_print_name(ef, NULL, table->name);
+		ut_print_name(ef, NULL, TRUE, table->name);
 		fputs(",\n"
 			"in SQL command\n", ef);
 		fputs(str, ef);
 		fputs("\nCannot find a constraint with the given id ", ef);
-		ut_print_name(ef, NULL, id);
+		ut_print_name(ef, NULL, FALSE, id);
 		fputs(".\n", ef);
 		mutex_exit(&dict_foreign_err_mutex);
 
@@ -3526,7 +3604,7 @@ dict_foreign_parse_drop_constraints(
 	ut_print_timestamp(ef);
 	fputs(
 	" Syntax error in dropping of a foreign key constraint of table ", ef);
-	ut_print_name(ef, NULL, table->name);
+	ut_print_name(ef, NULL, TRUE, table->name);
 	fprintf(ef, ",\n"
 		"close to:\n%s\n in SQL command\n%s\n", ptr, str);
 	mutex_exit(&dict_foreign_err_mutex);
@@ -3535,6 +3613,7 @@ dict_foreign_parse_drop_constraints(
 
 	return(DB_CANNOT_DROP_CONSTRAINT);
 }
+#endif /* UNIV_HOTBACKUP */
 
 /*==================== END OF FOREIGN KEY PROCESSING ====================*/
 
@@ -4185,11 +4264,11 @@ dict_print_info_on_foreign_key_in_create_format(
 	}
 
 	fputs(" CONSTRAINT ", file);
-	ut_print_name(file, trx, stripped_id);
+	ut_print_name(file, trx, FALSE, stripped_id);
 	fputs(" FOREIGN KEY (", file);
 
 	for (i = 0;;) {
-		ut_print_name(file, trx, foreign->foreign_col_names[i]);
+		ut_print_name(file, trx, FALSE, foreign->foreign_col_names[i]);
 		if (++i < foreign->n_fields) {
 			fputs(", ", file);
 		} else {
@@ -4202,7 +4281,7 @@ dict_print_info_on_foreign_key_in_create_format(
 	if (dict_tables_have_same_db(foreign->foreign_table_name,
 					foreign->referenced_table_name)) {
 		/* Do not print the database name of the referenced table */
-		ut_print_name(file, trx, dict_remove_db_name(
+		ut_print_name(file, trx, TRUE, dict_remove_db_name(
 					foreign->referenced_table_name));
 	} else {
 		/* Look for the '/' in the table name */
@@ -4212,9 +4291,10 @@ dict_print_info_on_foreign_key_in_create_format(
 			i++;
 		}
 
-		ut_print_namel(file, trx, foreign->referenced_table_name, i);
+		ut_print_namel(file, trx, TRUE,
+				foreign->referenced_table_name, i);
 		putc('.', file);
-		ut_print_name(file, trx,
+		ut_print_name(file, trx, TRUE,
 				foreign->referenced_table_name + i + 1);
 	}
 
@@ -4222,7 +4302,8 @@ dict_print_info_on_foreign_key_in_create_format(
 	putc('(', file);
 
 	for (i = 0;;) {
-		ut_print_name(file, trx, foreign->referenced_col_names[i]);
+		ut_print_name(file, trx, FALSE,
+				foreign->referenced_col_names[i]);
 		if (++i < foreign->n_fields) {
 			fputs(", ", file);
 		} else {
@@ -4296,12 +4377,12 @@ dict_print_info_on_foreign_keys(
 					putc(' ', file);
 				}
 
-				ut_print_name(file, trx,
+				ut_print_name(file, trx, FALSE,
 					foreign->foreign_col_names[i]);
 			}
 
 			fputs(") REFER ", file);
-			ut_print_name(file, trx,
+			ut_print_name(file, trx, TRUE,
 					foreign->referenced_table_name);
 			putc('(', file);
 
@@ -4309,7 +4390,7 @@ dict_print_info_on_foreign_keys(
 				if (i) {
 					putc(' ', file);
 				}
-				ut_print_name(file, trx,
+				ut_print_name(file, trx, FALSE,
 					foreign->referenced_col_names[i]);
 			}
 
@@ -4356,7 +4437,7 @@ dict_index_name_print(
 	const dict_index_t*	index)	/* in: index to print */
 {
 	fputs("index ", file);
-	ut_print_name(file, trx, index->name);
+	ut_print_name(file, trx, FALSE, index->name);
 	fputs(" of table ", file);
-	ut_print_name(file, trx, index->table_name);
+	ut_print_name(file, trx, TRUE, index->table_name);
 }

dict/dict0load.c

@@ -184,7 +184,7 @@ dict_print(void)
 
 		if (table == NULL) {
 			fputs("InnoDB: Failed to load table ", stderr);
-			ut_print_namel(stderr, NULL, (char*) field, len);
+			ut_print_namel(stderr, NULL, TRUE, (char*) field, len);
 			putc('\n', stderr);
 		} else {
 			/* The table definition was corrupt if there

handler/ha_innodb.cc

@@ -706,6 +706,61 @@ innobase_get_cset_width(
 	}
 }
 
+/**********************************************************************
+Converts an identifier to a table name.
+
+NOTE that the exact prototype of this function has to be in
+/innobase/dict/dict0dict.c! */
+extern "C"
+void
+innobase_convert_from_table_id(
+/*===========================*/
+	char*		to,	/* out: converted identifier */
+	const char*	from,	/* in: identifier to convert */
+	ulint		len)	/* in: length of 'to', in bytes */
+{
+	uint	errors;
+
+	strconvert(current_thd->charset(), from,
+		   &my_charset_filename, to, len, &errors);
+}
+
+/**********************************************************************
+Converts an identifier to UTF-8.
+
+NOTE that the exact prototype of this function has to be in
+/innobase/dict/dict0dict.c! */
+extern "C"
+void
+innobase_convert_from_id(
+/*=====================*/
+	char*		to,	/* out: converted identifier */
+	const char*	from,	/* in: identifier to convert */
+	ulint		len)	/* in: length of 'to', in bytes */
+{
+	uint	errors;
+
+	strconvert(current_thd->charset(), from,
+		   system_charset_info, to, len, &errors);
+}
+
+/**********************************************************************
+Removes the filename encoding of a table or database name.
+
+NOTE that the exact prototype of this function has to be in
+/innobase/dict/dict0dict.c! */
+extern "C"
+void
+innobase_convert_from_filename(
+/*===========================*/
+	char*		s)	/* in: identifier; out: decoded identifier */
+{
+	uint	errors;
+
+	strconvert(&my_charset_filename, s,
+		   system_charset_info, s, strlen(s), &errors);
+}
+
 /**********************************************************************
 Compares NUL-terminated UTF-8 strings case insensitively.
 
@@ -736,6 +791,21 @@ innobase_casedn_str(
 	my_casedn_str(system_charset_info, a);
 }
 
+/**************************************************************************
+Determines the connection character set.
+
+NOTE that the exact prototype of this function has to be in
+/innobase/dict/dict0dict.c! */
+extern "C"
+struct charset_info_st*
+innobase_get_charset(
+/*=================*/
+				/* out: connection character set */
+	void*	mysql_thd)	/* in: MySQL thread handle */
+{
+	return(((THD*) mysql_thd)->charset());
+}
+
 /*************************************************************************
 Creates a temporary file. */
 extern "C"
@@ -1135,23 +1205,70 @@ innobase_invalidate_query_cache(
 }
 
 /*********************************************************************
-Get the quote character to be used in SQL identifiers.
+Display an SQL identifier.
 This definition must match the one in innobase/ut/ut0ut.c! */
 extern "C"
-int
-mysql_get_identifier_quote_char(
-/*============================*/
-				/* out: quote character to be
-				used in SQL identifiers; EOF if none */
+void
+innobase_print_identifier(
+/*======================*/
+	FILE*		f,	/* in: output stream */
 	trx_t*		trx,	/* in: transaction */
+	ibool		table_id,/* in: TRUE=decode table name */
 	const char*	name,	/* in: name to print */
 	ulint		namelen)/* in: length of name */
 {
+	const char*	s	= name;
+	char*		qname	= NULL;
+	int		q;
+
+	if (table_id) {
+		/* Decode the table name.  The filename_to_tablename()
+		function expects a NUL-terminated string.  The input and
+		output strings buffers must not be shared.  The function
+		only produces more output when the name contains other
+		characters than [0-9A-Z_a-z]. */
+		char*	temp_name = my_malloc(namelen + 1, MYF(MY_WME));
+		uint	qnamelen = namelen
+				+ (1 + sizeof srv_mysql50_table_name_prefix);
+
+		if (temp_name) {
+			qname = my_malloc(qnamelen, MYF(MY_WME));
+			if (qname) {
+				memcpy(temp_name, name, namelen);
+				temp_name[namelen] = 0;
+				s = qname;
+				namelen = filename_to_tablename(temp_name,
+						qname, qnamelen);
+			}
+			my_free(temp_name, MYF(0));
+		}
+	}
+
 	if (!trx || !trx->mysql_thd) {
-		return(EOF);
+
+		q = '"';
+	} else {
+		/* TODO: convert from UTF-8 to trx->mysql_thd->charset() ? */
+		q = get_quote_char_for_identifier((THD*) trx->mysql_thd,
+						s, (int) namelen);
+	}
+
+	if (q == EOF) {
+		fwrite(s, 1, namelen, f);
+	} else {
+		const char*	e = s + namelen;
+		putc(q, f);
+		while (s < e) {
+			int	c = *s++;
+			if (c == q) {
+				putc(c, f);
+			}
+			putc(c, f);
 		}
-	return(get_quote_char_for_identifier((THD*) trx->mysql_thd,
-						name, (int) namelen));
+		putc(q, f);
+	}
+
+	my_free(qname, MYF(MY_ALLOW_ZERO_PTR));
 }
 
 /**************************************************************************
@@ -1267,6 +1384,24 @@ innobase_init(void)
 
 	ut_a(DATA_MYSQL_TRUE_VARCHAR == (ulint)MYSQL_TYPE_VARCHAR);
 
+#ifdef UNIV_DEBUG
+	static const char	test_filename[] = "-@";
+	char			test_tablename[sizeof test_filename
+				+ sizeof srv_mysql50_table_name_prefix];
+	if ((sizeof test_tablename) - 1
+			!= filename_to_tablename(test_filename, test_tablename,
+			sizeof test_tablename)
+			|| strncmp(test_tablename,
+			srv_mysql50_table_name_prefix,
+			sizeof srv_mysql50_table_name_prefix)
+			|| strcmp(test_tablename
+			+ sizeof srv_mysql50_table_name_prefix,
+			test_filename)) {
+		sql_print_error("tablename encoding has been changed");
+		goto error;
+	}
+#endif /* UNIV_DEBUG */
+
 	/* Check that values don't overflow on 32-bit systems. */
 	if (sizeof(ulint) == 4) {
 		if (innobase_buffer_pool_size > UINT_MAX32) {
@@ -4690,7 +4825,7 @@ ha_innobase::create(
 	/* Get the transaction associated with the current thd, or create one
 	if not yet created */
 
-	parent_trx = check_trx_exists(current_thd);
+	parent_trx = check_trx_exists(thd);
 
 	/* In case MySQL calls this in the middle of a SELECT query, release
 	possible adaptive hash latch to avoid deadlocks of threads */
@@ -4786,20 +4921,9 @@ ha_innobase::create(
 		}
 	}
 
-	if (current_thd->query != NULL) {
-		LEX_STRING q;
-
-		if (thd->convert_string(&q, system_charset_info,
-					current_thd->query,
-					current_thd->query_length,
-					current_thd->charset())) {
-			error = HA_ERR_OUT_OF_MEM;
-
-			goto cleanup;
-		}
-
+	if (thd->query != NULL) {
 		error = row_table_add_foreign_constraints(trx,
-			q.str, norm_name,
+			thd->query, norm_name,
 			create_info->options & HA_LEX_CREATE_TMP_TABLE);
 
 		error = convert_error_code_to_mysql(error, NULL);
@@ -4955,7 +5079,7 @@ ha_innobase::delete_table(
 	/* Get the transaction associated with the current thd, or create one
 	if not yet created */
 
-	parent_trx = check_trx_exists(current_thd);
+	parent_trx = check_trx_exists(thd);
 
 	/* In case MySQL calls this in the middle of a SELECT query, release
 	possible adaptive hash latch to avoid deadlocks of threads */

include/dict0dict.h

@@ -44,18 +44,6 @@ dict_get_db_name_len(
 				/* out: database name length */
 	const char*	name);	/* in: table name in the form
 				dbname '/' tablename */
-/*************************************************************************
-Accepts a specified string. Comparisons are case-insensitive. */
-
-const char*
-dict_accept(
-/*========*/
-				/* out: if string was accepted, the pointer
-				is moved after that, else ptr is returned */
-	const char*	ptr,	/* in: scan from this */
-	const char*	string,	/* in: accept only this string as the next
-				non-whitespace string */
-	ibool*		success);/* out: TRUE if accepted */
 /************************************************************************
 Decrements the count of open MySQL handles to a table. */
 
@@ -219,6 +207,17 @@ dict_table_referenced_by_foreign_key(
 				/* out: TRUE if table is referenced by a
 				foreign key */
 	dict_table_t*	table);	/* in: InnoDB table */
+/**************************************************************************
+Determines whether a string starts with the specified keyword. */
+
+ibool
+dict_str_starts_with_keyword(
+/*=========================*/
+					/* out: TRUE if str starts
+					with keyword */
+	void*		mysql_thd,	/* in: MySQL thread handle */
+	const char*	str,		/* in: string to scan for keyword */
+	const char*	keyword);	/* in: keyword to look for */
 /*************************************************************************
 Scans a table create SQL string and adds to the data dictionary
 the foreign key constraints declared in the string. This function

include/srv0srv.h

@@ -18,6 +18,9 @@ Created 10/10/1995 Heikki Tuuri
 
 extern const char*	srv_main_thread_op_info;
 
+/* Prefix used by MySQL to indicate pre-5.1 table name encoding */
+extern const char	srv_mysql50_table_name_prefix[9];
+
 /* When this event is set the lock timeout and InnoDB monitor
 thread starts running */
 extern os_event_t	srv_lock_timeout_thread_event;

include/ut0ut.h

@@ -224,6 +224,7 @@ ut_print_name(
 /*==========*/
 	FILE*		f,	/* in: output stream */
 	struct trx_struct*trx,	/* in: transaction */
+	ibool		table_id,/* in: TRUE=decode table name */
 	const char*	name);	/* in: name to print */
 
 /**************************************************************************
@@ -234,6 +235,7 @@ ut_print_namel(
 /*===========*/
 	FILE*		f,	/* in: output stream */
 	struct trx_struct*trx,	/* in: transaction (NULL=no quotes) */
+	ibool		table_id,/* in: TRUE=decode table name */
 	const char*	name,	/* in: name to print */
 	ulint		namelen);/* in: length of name */
 

lock/lock0lock.c

@@ -1860,7 +1860,7 @@ lock_rec_enqueue_waiting(
 		fputs(
 "  InnoDB: Error: a record lock wait happens in a dictionary operation!\n"
 "InnoDB: Table name ", stderr);
-		ut_print_name(stderr, trx, index->table_name);
+		ut_print_name(stderr, trx, TRUE, index->table_name);
 		fputs(".\n"
 "InnoDB: Submit a detailed bug report to http://bugs.mysql.com\n",
 			stderr);
@@ -1899,7 +1899,7 @@ lock_rec_enqueue_waiting(
 	if (lock_print_waits) {
 		fprintf(stderr, "Lock wait for trx %lu in index ",
 			(ulong) ut_dulint_get_low(trx->id));
-		ut_print_name(stderr, trx, index->name);
+		ut_print_name(stderr, trx, FALSE, index->name);
 	}
 #endif /* UNIV_DEBUG */
 
@@ -3555,7 +3555,7 @@ lock_table_enqueue_waiting(
 		fputs(
 "  InnoDB: Error: a table lock wait happens in a dictionary operation!\n"
 "InnoDB: Table name ", stderr);
-		ut_print_name(stderr, trx, table->name);
+		ut_print_name(stderr, trx, TRUE, table->name);
 		fputs(".\n"
 "InnoDB: Submit a detailed bug report to http://bugs.mysql.com\n",
 			stderr);
@@ -4074,7 +4074,8 @@ lock_table_print(
 	ut_a(lock_get_type(lock) == LOCK_TABLE);
 
 	fputs("TABLE LOCK table ", file);
-	ut_print_name(file, lock->trx, lock->un_member.tab_lock.table->name);
+	ut_print_name(file, lock->trx, TRUE,
+				lock->un_member.tab_lock.table->name);
 	fprintf(file, " trx id %lu %lu",
 		(ulong) (lock->trx)->id.high, (ulong) (lock->trx)->id.low);
 

row/row0ins.c

@@ -601,7 +601,7 @@ row_ins_set_detailed(
 	rewind(srv_misc_tmpfile);
 
 	if (os_file_set_eof(srv_misc_tmpfile)) {
-		ut_print_name(srv_misc_tmpfile, trx,
+		ut_print_name(srv_misc_tmpfile, trx, TRUE,
 				foreign->foreign_table_name);
 		dict_print_info_on_foreign_key_in_create_format(
 				srv_misc_tmpfile,
@@ -643,22 +643,22 @@ row_ins_foreign_report_err(
 	trx_print(ef, trx, 600);
 
 	fputs("Foreign key constraint fails for table ", ef);
-	ut_print_name(ef, trx, foreign->foreign_table_name);
+	ut_print_name(ef, trx, TRUE, foreign->foreign_table_name);
 	fputs(":\n", ef);
 	dict_print_info_on_foreign_key_in_create_format(ef, trx, foreign,
 		TRUE);
 	putc('\n', ef);
 	fputs(errstr, ef);
 	fputs(" in parent table, in index ", ef);
-	ut_print_name(ef, trx, foreign->referenced_index->name);
+	ut_print_name(ef, trx, FALSE, foreign->referenced_index->name);
 	if (entry) {
 		fputs(" tuple:\n", ef);
 		dtuple_print(ef, entry);
 	}
 	fputs("\nBut in child table ", ef);
-	ut_print_name(ef, trx, foreign->foreign_table_name);
+	ut_print_name(ef, trx, TRUE, foreign->foreign_table_name);
 	fputs(", in index ", ef);
-	ut_print_name(ef, trx, foreign->foreign_index->name);
+	ut_print_name(ef, trx, FALSE, foreign->foreign_index->name);
 	if (rec) {
 		fputs(", there is a record:\n", ef);
 		rec_print(ef, rec, foreign->foreign_index);
@@ -696,20 +696,20 @@ row_ins_foreign_report_add_err(
 	fputs(" Transaction:\n", ef);
 	trx_print(ef, trx, 600);
 	fputs("Foreign key constraint fails for table ", ef);
-	ut_print_name(ef, trx, foreign->foreign_table_name);
+	ut_print_name(ef, trx, TRUE, foreign->foreign_table_name);
 	fputs(":\n", ef);
 	dict_print_info_on_foreign_key_in_create_format(ef, trx, foreign,
 		TRUE);
 	fputs("\nTrying to add in child table, in index ", ef);
-	ut_print_name(ef, trx, foreign->foreign_index->name);
+	ut_print_name(ef, trx, FALSE, foreign->foreign_index->name);
 	if (entry) {
 		fputs(" tuple:\n", ef);
 		dtuple_print(ef, entry);
 	}
 	fputs("\nBut in parent table ", ef);
-	ut_print_name(ef, trx, foreign->referenced_table_name);
+	ut_print_name(ef, trx, TRUE, foreign->referenced_table_name);
 	fputs(", in index ", ef);
-	ut_print_name(ef, trx, foreign->referenced_index->name);
+	ut_print_name(ef, trx, FALSE, foreign->referenced_index->name);
 	fputs(",\nthe closest match we can find is record:\n", ef);
 	if (rec && page_rec_is_supremum(rec)) {
 		/* If the cursor ended on a supremum record, it is better
@@ -1277,16 +1277,19 @@ row_ins_check_foreign_constraint(
 			fputs(" Transaction:\n", ef);
 			trx_print(ef, trx, 600);
 			fputs("Foreign key constraint fails for table ", ef);
-			ut_print_name(ef, trx, foreign->foreign_table_name);
+			ut_print_name(ef, trx, TRUE,
+					foreign->foreign_table_name);
 			fputs(":\n", ef);
 			dict_print_info_on_foreign_key_in_create_format(ef,
 					trx, foreign, TRUE);
 			fputs("\nTrying to add to index ", ef);
-			ut_print_name(ef, trx, foreign->foreign_index->name);
+			ut_print_name(ef, trx, FALSE,
+					foreign->foreign_index->name);
 			fputs(" tuple:\n", ef);
 			dtuple_print(ef, entry);
 			fputs("\nBut the parent table ", ef);
-			ut_print_name(ef, trx, foreign->referenced_table_name);
+			ut_print_name(ef, trx, TRUE,
+					foreign->referenced_table_name);
 		fputs("\nor its .ibd file does not currently exist!\n", ef);
 			mutex_exit(&dict_foreign_err_mutex);
 

row/row0mysql.c

@@ -680,7 +680,7 @@ row_prebuilt_free(
 "InnoDB: table handle. Magic n %lu, magic n2 %lu, table name",
 		(ulong) prebuilt->magic_n,
 		(ulong) prebuilt->magic_n2);
-		ut_print_name(stderr, NULL, prebuilt->table->name);
+		ut_print_name(stderr, NULL, TRUE, prebuilt->table->name);
 		putc('\n', stderr);
 
 		mem_analyze_corruption(prebuilt);
@@ -773,7 +773,7 @@ row_update_prebuilt_trx(
 		"InnoDB: Error: trying to use a corrupt\n"
 		"InnoDB: table handle. Magic n %lu, table name",
 		(ulong) prebuilt->magic_n);
-		ut_print_name(stderr, NULL, prebuilt->table->name);
+		ut_print_name(stderr, NULL, TRUE, prebuilt->table->name);
 		putc('\n', stderr);
 
 		mem_analyze_corruption(prebuilt);
@@ -1094,7 +1094,8 @@ row_insert_for_mysql(
 		"InnoDB: Error: trying to free a corrupt\n"
 		"InnoDB: table handle. Magic n %lu, table name",
 		(ulong) prebuilt->magic_n);
-		ut_print_name(stderr, prebuilt->trx, prebuilt->table->name);
+		ut_print_name(stderr, prebuilt->trx, TRUE,
+				prebuilt->table->name);
 		putc('\n', stderr);
 
 		mem_analyze_corruption(prebuilt);
@@ -1329,7 +1330,8 @@ row_update_for_mysql(
 		"InnoDB: Error: trying to free a corrupt\n"
 		"InnoDB: table handle. Magic n %lu, table name",
 		(ulong) prebuilt->magic_n);
-		ut_print_name(stderr, prebuilt->trx, prebuilt->table->name);
+		ut_print_name(stderr, prebuilt->trx, TRUE,
+				prebuilt->table->name);
 		putc('\n', stderr);
 
 		mem_analyze_corruption(prebuilt);
@@ -1941,7 +1943,7 @@ row_create_table_for_mysql(
 
 			fputs("  InnoDB: Warning: cannot create table ",
 								stderr);
-			ut_print_name(stderr, trx, table->name);
+			ut_print_name(stderr, trx, TRUE, table->name);
 			fputs(" because tablespace full\n", stderr);
 
 			if (dict_table_get_low(table->name)) {
@@ -1954,7 +1956,7 @@ row_create_table_for_mysql(
 			ut_print_timestamp(stderr);
 
 			fputs("  InnoDB: Error: table ", stderr);
-			ut_print_name(stderr, trx, table->name);
+			ut_print_name(stderr, trx, TRUE, table->name);
 			fputs(" already exists in InnoDB internal\n"
      "InnoDB: data dictionary. Have you deleted the .frm file\n"
      "InnoDB: and not used DROP TABLE? Have you used DROP DATABASE\n"
@@ -2031,7 +2033,7 @@ row_create_index_for_mysql(
 				ut_print_timestamp(stderr);
 
 				fputs("  InnoDB: Error: column ", stderr);
-				ut_print_name(stderr, trx,
+				ut_print_name(stderr, trx, FALSE,
 				dict_index_get_nth_field(index, i)->name);
 				fputs(" appears twice in ", stderr);
 				dict_index_name_print(stderr, trx, index);
@@ -2196,7 +2198,7 @@ row_drop_table_for_mysql_in_background(
 	trx->check_foreigns = FALSE;
 
 /*	fputs("InnoDB: Error: Dropping table ", stderr);
-	ut_print_name(stderr, name);
+	ut_print_name(stderr, trx, TRUE, name);
 	fputs(" in background drop list\n", stderr); */
 
 	/* Try to drop the table in InnoDB */
@@ -2360,7 +2362,7 @@ row_add_table_to_background_drop_list(
 	UT_LIST_ADD_LAST(row_mysql_drop_list, row_mysql_drop_list, drop);
 
 /*	fputs("InnoDB: Adding table ", stderr);
-	ut_print_name(stderr, drop->table_name);
+	ut_print_name(stderr, trx, TRUE, drop->table_name);
 	fputs(" to background drop list\n", stderr); */
 
 	mutex_exit(&kernel_mutex);
@@ -2429,7 +2431,7 @@ do not allow the discard. We also reserve the data dictionary latch. */
 	if (table->space == 0) {
 		ut_print_timestamp(stderr);
 		fputs("  InnoDB: Error: table ", stderr);
-		ut_print_name(stderr, trx, name);
+		ut_print_name(stderr, trx, TRUE, name);
 		fputs("\n"
 "InnoDB: is in the system tablespace 0 which cannot be discarded\n", stderr);
 		err = DB_ERROR;
@@ -2441,7 +2443,7 @@ do not allow the discard. We also reserve the data dictionary latch. */
 
 		ut_print_timestamp(stderr);
 		fputs("  InnoDB: You are trying to DISCARD table ", stderr);
-		ut_print_name(stderr, trx, table->name);
+		ut_print_name(stderr, trx, TRUE, table->name);
 		fputs("\n"
 		 "InnoDB: though there is a foreign key check running on it.\n"
 		 "InnoDB: Cannot discard the table.\n",
@@ -2475,10 +2477,10 @@ do not allow the discard. We also reserve the data dictionary latch. */
 		ut_print_timestamp(ef);
 
 		fputs("  Cannot DISCARD table ", ef);
-		ut_print_name(ef, trx, name);
+		ut_print_name(ef, trx, TRUE, name);
 		fputs("\n"
 			"because it is referenced by ", ef);
-		ut_print_name(ef, trx, foreign->foreign_table_name);
+		ut_print_name(ef, trx, TRUE, foreign->foreign_table_name);
 		putc('\n', ef);
 		mutex_exit(&dict_foreign_err_mutex);
 
@@ -2590,7 +2592,7 @@ row_import_tablespace_for_mysql(
 	if (!success) {
 		ut_print_timestamp(stderr);
 		fputs("  InnoDB: Error: cannot reset lsn's in table ", stderr);
-		ut_print_name(stderr, trx, name);
+		ut_print_name(stderr, trx, TRUE, name);
 		fputs("\n"
 		"InnoDB: in ALTER TABLE ... IMPORT TABLESPACE\n", stderr);
 
@@ -2611,7 +2613,7 @@ row_import_tablespace_for_mysql(
 	if (!table) {
 		ut_print_timestamp(stderr);
 		fputs("  InnoDB: table ", stderr);
-		ut_print_name(stderr, trx, name);
+		ut_print_name(stderr, trx, TRUE, name);
 		fputs("\n"
 "InnoDB: does not exist in the InnoDB data dictionary\n"
 "InnoDB: in ALTER TABLE ... IMPORT TABLESPACE\n",
@@ -2625,7 +2627,7 @@ row_import_tablespace_for_mysql(
 	if (table->space == 0) {
 		ut_print_timestamp(stderr);
 		fputs("  InnoDB: Error: table ", stderr);
-		ut_print_name(stderr, trx, name);
+		ut_print_name(stderr, trx, TRUE, name);
 		fputs("\n"
 "InnoDB: is in the system tablespace 0 which cannot be imported\n", stderr);
 		err = DB_ERROR;
@@ -2638,7 +2640,7 @@ row_import_tablespace_for_mysql(
 		fputs(
 "  InnoDB: Error: you are trying to IMPORT a tablespace\n"
 "InnoDB: ", stderr);
-		ut_print_name(stderr, trx, name);
+		ut_print_name(stderr, trx, TRUE, name);
 		fputs(", though you have not called DISCARD on it yet\n"
 "InnoDB: during the lifetime of the mysqld process!\n", stderr);
 
@@ -2663,7 +2665,7 @@ row_import_tablespace_for_mysql(
 			fputs(
 "  InnoDB: cannot find or open in the database directory the .ibd file of\n"
 "InnoDB: table ", stderr);
-			ut_print_name(stderr, trx, name);
+			ut_print_name(stderr, trx, TRUE, name);
 			fputs("\n"
 "InnoDB: in ALTER TABLE ... IMPORT TABLESPACE\n",
 			stderr);
@@ -2783,10 +2785,10 @@ do not allow the TRUNCATE. We also reserve the data dictionary latch. */
 		ut_print_timestamp(ef);
 
 		fputs("  Cannot truncate table ", ef);
-		ut_print_name(ef, trx, table->name);
+		ut_print_name(ef, trx, TRUE, table->name);
 		fputs(" by DROP+CREATE\n"
 			"InnoDB: because it is referenced by ", ef);
-		ut_print_name(ef, trx, foreign->foreign_table_name);
+		ut_print_name(ef, trx, TRUE, foreign->foreign_table_name);
 		putc('\n', ef);
 		mutex_exit(&dict_foreign_err_mutex);
 
@@ -2803,7 +2805,7 @@ do not allow the TRUNCATE. We also reserve the data dictionary latch. */
 	if (table->n_foreign_key_checks_running > 0) {
 		ut_print_timestamp(stderr);
 		fputs("  InnoDB: Cannot truncate table ", stderr);
-		ut_print_name(stderr, trx, table->name);
+		ut_print_name(stderr, trx, TRUE, table->name);
 		fputs(" by DROP+CREATE\n"
 "InnoDB: because there is a foreign key check running on it.\n",
 			stderr);
@@ -2918,7 +2920,7 @@ do not allow the TRUNCATE. We also reserve the data dictionary latch. */
 		trx->error_state = DB_SUCCESS;
 		ut_print_timestamp(stderr);
 fputs("  InnoDB: Unable to assign a new identifier to table ", stderr);
-		ut_print_name(stderr, trx, table->name);
+		ut_print_name(stderr, trx, TRUE, table->name);
 		fputs("\n"
 "InnoDB: after truncating it.  Background processes may corrupt the table!\n",
 			stderr);
@@ -3045,7 +3047,7 @@ row_drop_table_for_mysql(
 		ut_print_timestamp(stderr);
 
 		fputs("  InnoDB: Error: table ", stderr);
-		ut_print_name(stderr, trx, name);
+		ut_print_name(stderr, trx, TRUE, name);
 		fputs(" does not exist in the InnoDB internal\n"
 	"InnoDB: data dictionary though MySQL is trying to drop it.\n"
 	"InnoDB: Have you copied the .frm file of the table to the\n"
@@ -3081,10 +3083,10 @@ row_drop_table_for_mysql(
 		ut_print_timestamp(ef);
 
 		fputs("  Cannot drop table ", ef);
-		ut_print_name(ef, trx, name);
+		ut_print_name(ef, trx, TRUE, name);
 		fputs("\n"
 			"because it is referenced by ", ef);
-		ut_print_name(ef, trx, foreign->foreign_table_name);
+		ut_print_name(ef, trx, TRUE, foreign->foreign_table_name);
 		putc('\n', ef);
 		mutex_exit(&dict_foreign_err_mutex);
 
@@ -3103,7 +3105,7 @@ row_drop_table_for_mysql(
 		if (added) {
 			ut_print_timestamp(stderr);
 fputs("  InnoDB: Warning: MySQL is trying to drop table ", stderr);
-			ut_print_name(stderr, trx, table->name);
+			ut_print_name(stderr, trx, TRUE, table->name);
 			fputs("\n"
 "InnoDB: though there are still open handles to it.\n"
 "InnoDB: Adding the table to the background drop queue.\n",
@@ -3136,7 +3138,7 @@ fputs("  InnoDB: Warning: MySQL is trying to drop table ", stderr);
 		if (added) {
 			ut_print_timestamp(stderr);
 fputs("  InnoDB: You are trying to drop table ", stderr);
-			ut_print_name(stderr, trx, table->name);
+			ut_print_name(stderr, trx, TRUE, table->name);
 			fputs("\n"
 "InnoDB: though there is a foreign key check running on it.\n"
 "InnoDB: Adding the table to the background drop queue.\n",
@@ -3259,7 +3261,7 @@ fputs("  InnoDB: You are trying to drop table ", stderr);
 			ut_print_timestamp(stderr);
 			fputs("  InnoDB: Error: not able to remove table ",
 				stderr);
-			ut_print_name(stderr, trx, name);
+			ut_print_name(stderr, trx, TRUE, name);
 			fputs(" from the dictionary cache!\n", stderr);
 			err = DB_ERROR;
 		}
@@ -3277,7 +3279,7 @@ fputs("  InnoDB: You are trying to drop table ", stderr);
 				fprintf(stderr,
 "InnoDB: We removed now the InnoDB internal data dictionary entry\n"
 "InnoDB: of table ");
-				ut_print_name(stderr, trx, name);
+				ut_print_name(stderr, trx, TRUE, name);
 				fprintf(stderr, ".\n");
 
 				goto funct_exit;
@@ -3289,14 +3291,14 @@ fputs("  InnoDB: You are trying to drop table ", stderr);
 				fprintf(stderr,
 "InnoDB: We removed now the InnoDB internal data dictionary entry\n"
 "InnoDB: of table ");
-				ut_print_name(stderr, trx, name);
+				ut_print_name(stderr, trx, TRUE, name);
 				fprintf(stderr, ".\n");
 
 				ut_print_timestamp(stderr);
 				fprintf(stderr,
 "  InnoDB: Error: not able to delete tablespace %lu of table ",
 					(ulong) space_id);
-				ut_print_name(stderr, trx, name);
+				ut_print_name(stderr, trx, TRUE, name);
 				fputs("!\n", stderr);
 				err = DB_ERROR;
 			}
@@ -3364,10 +3366,10 @@ row_drop_database_for_mysql(
 			ut_print_timestamp(stderr);
 			fputs(
 	"  InnoDB: Warning: MySQL is trying to drop database ", stderr);
-			ut_print_name(stderr, trx, name);
+			ut_print_name(stderr, trx, TRUE, name);
 			fputs("\n"
 	"InnoDB: though there are still open handles to table ", stderr);
-			ut_print_name(stderr, trx, table_name);
+			ut_print_name(stderr, trx, TRUE, table_name);
 			fputs(".\n", stderr);
 
 			os_thread_sleep(1000000);
@@ -3383,10 +3385,10 @@ row_drop_database_for_mysql(
 
 		if (err != DB_SUCCESS) {
 			fputs("InnoDB: DROP DATABASE ", stderr);
-			ut_print_name(stderr, trx, name);
+			ut_print_name(stderr, trx, TRUE, name);
 			fprintf(stderr, " failed with error %lu for table ",
 				(ulint) err);
-			ut_print_name(stderr, trx, table_name);
+			ut_print_name(stderr, trx, TRUE, table_name);
 			putc('\n', stderr);
 			break;
 		}
@@ -3543,7 +3545,7 @@ row_rename_table_for_mysql(
 		ut_print_timestamp(stderr);
 
 		fputs("  InnoDB: Error: table ", stderr);
-		ut_print_name(stderr, trx, old_name);
+		ut_print_name(stderr, trx, TRUE, old_name);
 		fputs(" does not exist in the InnoDB internal\n"
 	"InnoDB: data dictionary though MySQL is trying to rename the table.\n"
 	"InnoDB: Have you copied the .frm file of the table to the\n"
@@ -3559,7 +3561,7 @@ row_rename_table_for_mysql(
 		ut_print_timestamp(stderr);
 
 		fputs("  InnoDB: Error: table ", stderr);
-		ut_print_name(stderr, trx, old_name);
+		ut_print_name(stderr, trx, TRUE, old_name);
 		fputs(
 	" does not have an .ibd file in the database directory.\n"
 	"InnoDB: You can look for further help from\n"
@@ -3704,17 +3706,17 @@ row_rename_table_for_mysql(
      "InnoDB: 1) Table rename would cause two FOREIGN KEY constraints\n"
      "InnoDB: to have the same internal name in case-insensitive comparison.\n"
      "InnoDB: 2) table ", stderr);
-		ut_print_name(stderr, trx, new_name);
+		ut_print_name(stderr, trx, TRUE, new_name);
 		fputs(" exists in the InnoDB internal data\n"
      "InnoDB: dictionary though MySQL is trying rename table ", stderr);
-		ut_print_name(stderr, trx, old_name);
+		ut_print_name(stderr, trx, TRUE, old_name);
 		fputs(" to it.\n"
      "InnoDB: Have you deleted the .frm file and not used DROP TABLE?\n"
      "InnoDB: You can look for further help from\n"
      "InnoDB: http://dev.mysql.com/doc/mysql/en/"
      "InnoDB_troubleshooting_datadict.html\n"
      "InnoDB: If table ", stderr);
-			ut_print_name(stderr, trx, new_name);
+			ut_print_name(stderr, trx, TRUE, new_name);
 			fputs(
 		" is a temporary table #sql..., then it can be that\n"
      "InnoDB: there are still queries running on the table, and it will be\n"
@@ -3742,9 +3744,9 @@ row_rename_table_for_mysql(
 			ut_print_timestamp(stderr);
 			fputs(" InnoDB: Error in table rename, cannot rename ",
 				stderr);
-			ut_print_name(stderr, trx, old_name);
+			ut_print_name(stderr, trx, TRUE, old_name);
 			fputs(" to ", stderr);
-			ut_print_name(stderr, trx, new_name);
+			ut_print_name(stderr, trx, TRUE, new_name);
 			putc('\n', stderr);
 			err = DB_ERROR;
 
@@ -3763,7 +3765,7 @@ row_rename_table_for_mysql(
 			if (old_is_tmp) {
 				fputs("  InnoDB: Error: in ALTER TABLE ",
 					stderr);
-				ut_print_name(stderr, trx, new_name);
+				ut_print_name(stderr, trx, TRUE, new_name);
 				fputs("\n"
 	"InnoDB: has or is referenced in foreign key constraints\n"
 	"InnoDB: which are not compatible with the new table definition.\n",
@@ -3772,7 +3774,7 @@ row_rename_table_for_mysql(
 				fputs(
 				"  InnoDB: Error: in RENAME TABLE table ",
 					stderr);
-				ut_print_name(stderr, trx, new_name);
+				ut_print_name(stderr, trx, TRUE, new_name);
 				fputs("\n"
 	"InnoDB: is referenced in foreign key constraints\n"
 	"InnoDB: which are not compatible with the new table definition.\n",
@@ -3986,7 +3988,7 @@ row_check_table_for_mysql(
 
 	while (index != NULL) {
 		/* fputs("Validating index ", stderr);
-		ut_print_name(stderr, index->name);
+		ut_print_name(stderr, trx, FALSE, index->name);
 		putc('\n', stderr); */
 
 		if (!btr_validate_tree(index->tree, prebuilt->trx)) {

row/row0row.c

@@ -480,12 +480,12 @@ row_build_row_ref_in_tuple(
 
 	ut_a(ref && index && rec);
 
-	if (!index->table) {
+	if (UNIV_UNLIKELY(!index->table)) {
 		fputs("InnoDB: table ", stderr);
 	notfound:
-		ut_print_name(stderr, trx, index->table_name);
+		ut_print_name(stderr, trx, TRUE, index->table_name);
 		fputs(" for index ", stderr);
-		ut_print_name(stderr, trx, index->name);
+		ut_print_name(stderr, trx, FALSE, index->name);
 		fputs(" not found\n", stderr);
 		ut_error;
 	}

row/row0sel.c

@@ -3248,7 +3248,7 @@ row_search_for_mysql(
 		"InnoDB: Error: trying to free a corrupt\n"
 		"InnoDB: table handle. Magic n %lu, table name ",
 		(ulong) prebuilt->magic_n);
-		ut_print_name(stderr, trx, prebuilt->table->name);
+		ut_print_name(stderr, trx, TRUE, prebuilt->table->name);
 		putc('\n', stderr);
 
 		mem_analyze_corruption(prebuilt);
@@ -3534,15 +3534,13 @@ stderr);
 
 	if (trx->isolation_level <= TRX_ISO_READ_COMMITTED
 		&& prebuilt->select_lock_type != LOCK_NONE
-		&& trx->mysql_query_str) {
+		&& trx->mysql_query_str && trx->mysql_thd) {
 
 		/* Scan the MySQL query string; check if SELECT is the first
 		word there */
-		ibool	success;
-
-		dict_accept(*trx->mysql_query_str, "SELECT", &success);
 
-		if (success) {
+		if (dict_str_starts_with_keyword(trx->mysql_thd,
+				*trx->mysql_query_str, "SELECT")) {
 			/* It is a plain locking SELECT and the isolation
 			level is low: do not lock gaps */
 

srv/srv0srv.c

@@ -68,6 +68,9 @@ ibool	srv_error_monitor_active = FALSE;
 
 const char*	srv_main_thread_op_info = "";
 
+/* Prefix used by MySQL to indicate pre-5.1 table name encoding */
+const char	srv_mysql50_table_name_prefix[9] = "#mysql50#";
+
 /* Server parameters which are read from the initfile */
 
 /* The following three are dir paths which are catenated before file

trx/trx0rec.c

@@ -843,7 +843,7 @@ trx_undo_update_rec_get_update(
 "InnoDB: Submit a detailed bug report to http://bugs.mysql.com\n"
 "InnoDB: Run also CHECK TABLE ",
 				(ulong) dict_index_get_n_fields(index));
-			ut_print_name(stderr, trx, index->table_name);
+			ut_print_name(stderr, trx, TRUE, index->table_name);
 			fprintf(stderr, "\n"
 "InnoDB: n_fields = %lu, i = %lu, ptr %p\n",
 				(ulong) n_fields, (ulong) i, ptr);

trx/trx0roll.c

@@ -241,7 +241,7 @@ trx_rollback_to_savepoint_for_mysql(
 	if (trx->conc_state == TRX_NOT_STARTED) {
 		ut_print_timestamp(stderr);
 		fputs("  InnoDB: Error: transaction has a savepoint ", stderr);
-		ut_print_name(stderr, trx, savep->name);
+		ut_print_name(stderr, trx, FALSE, savep->name);
 		fputs(" though it is not started\n", stderr);
 		return(DB_ERROR);
 	}
@@ -544,7 +544,7 @@ trx_rollback_or_clean_all_without_sess(
 
 		if (table) {
 			fputs("InnoDB: Table found: dropping table ", stderr);
-			ut_print_name(stderr, trx, table->name);
+			ut_print_name(stderr, trx, TRUE, table->name);
 			fputs(" in recovery\n", stderr);
 
 			err = row_drop_table_for_mysql(table->name, trx, TRUE);

ut/ut0ut.c

@@ -20,18 +20,20 @@ Created 5/11/1994 Heikki Tuuri
 
 ibool	ut_always_false	= FALSE;
 
+#ifndef UNIV_HOTBACKUP
 /*********************************************************************
-Get the quote character to be used in SQL identifiers.
+Display an SQL identifier.
 This definition must match the one in sql/ha_innodb.cc! */
 extern
-int
-mysql_get_identifier_quote_char(
-/*============================*/
-				/* out: quote character to be
-				used in SQL identifiers; EOF if none */
+void
+innobase_print_identifier(
+/*======================*/
+	FILE*		f,	/* in: output stream */
 	trx_t*		trx,	/* in: transaction */
+	ibool		table_id,/* in: TRUE=decode table name */
 	const char*	name,	/* in: name to print */
 	ulint		namelen);/* in: length of name */
+#endif /* !UNIV_HOTBACKUP */
 
 /************************************************************
 Gets the high 32 bits in a ulint. That is makes a shift >> 32,
@@ -398,9 +400,10 @@ ut_print_name(
 /*==========*/
 	FILE*		f,	/* in: output stream */
 	trx_t*		trx,	/* in: transaction */
+	ibool		table_id,/* in: TRUE=decode table name */
 	const char*	name)	/* in: name to print */
 {
-	ut_print_namel(f, trx, name, strlen(name));
+	ut_print_namel(f, trx, table_id, name, strlen(name));
 }
 
 /**************************************************************************
@@ -411,29 +414,27 @@ ut_print_namel(
 /*===========*/
 	FILE*		f,	/* in: output stream */
 	trx_t*		trx,	/* in: transaction (NULL=no quotes) */
+	ibool		table_id,/* in: TRUE=decode table name */
 	const char*	name,	/* in: name to print */
 	ulint		namelen)/* in: length of name */
 {
-	const char*	s = name;
-	const char*	e = s + namelen;
 #ifdef UNIV_HOTBACKUP
-	int		q = '"';
-#else
-	int		q = mysql_get_identifier_quote_char(trx, name, namelen);
-#endif
-	if (q == EOF) {
 	fwrite(name, 1, namelen, f);
-		return;
-	}
-	putc(q, f);
-	while (s < e) {
-		int	c = *s++;
-		if (c == q) {
-			putc(c, f);
-		}
-		putc(c, f);
+#else
+	char*	slash = strchr(name, '/');
+
+	if (UNIV_LIKELY_NULL(slash)) {
+		/* Print the database name and table name separately. */
+		ut_ad(table_id);
+
+		innobase_print_identifier(f, trx, TRUE, name, slash - name);
+		putc('.', f);
+		innobase_print_identifier(f, trx, TRUE, slash + 1,
+				namelen - (slash - name) - 1);
+	} else {
+		innobase_print_identifier(f, trx, table_id, name, namelen);
 	}
-	putc(q, f);
+#endif
 }
 
 /**************************************************************************