move to storage/innobase

1 files changed, 98 insertions, 0 deletions

diff --git a/storage/innobase/include/dict0crea.ic b/storage/innobase/include/dict0crea.ic
new file mode 100644
index 00000000000..2d0d9dcb858
--- /dev/null
+++ b/storage/innobase/include/dict0crea.ic
@@ -0,0 +1,98 @@
+/*****************************************************************************
+
+Copyright (c) 1996, 2012, Oracle and/or its affiliates. All Rights Reserved.
+
+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
+Foundation; version 2 of the License.
+
+This program is distributed in the hope that it will be useful, but WITHOUT
+ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License along with
+this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Suite 500, Boston, MA 02110-1335 USA
+
+*****************************************************************************/
+
+/**************************************************//**
+@file include/dict0crea.ic
+Database object creation
+
+Created 1/8/1996 Heikki Tuuri
+*******************************************************/
+
+#include "mem0mem.h"
+
+/*********************************************************************//**
+Checks if a table name contains the string "/#sql" which denotes temporary
+tables in MySQL.
+@return true if temporary table */
+UNIV_INTERN
+bool
+row_is_mysql_tmp_table_name(
+/*========================*/
+	const char*     name) __attribute__((warn_unused_result));
+				/*!< in: table name in the form
+				'database/tablename' */
+
+
+/********************************************************************//**
+Generate a foreign key constraint name when it was not named by the user.
+A generated constraint has a name of the format dbname/tablename_ibfk_NUMBER,
+where the numbers start from 1, and are given locally for this table, that is,
+the number is not global, as it used to be before MySQL 4.0.18.  */
+UNIV_INLINE
+dberr_t
+dict_create_add_foreign_id(
+/*=======================*/
+	ulint*		id_nr,	/*!< in/out: number to use in id generation;
+				incremented if used */
+	const char*	name,	/*!< in: table name */
+	dict_foreign_t*	foreign)/*!< in/out: foreign key */
+{
+	if (foreign->id == NULL) {
+		/* Generate a new constraint id */
+		ulint	namelen	= strlen(name);
+		char*	id	= static_cast<char*>(
+					mem_heap_alloc(foreign->heap,
+						       namelen + 20));
+
+		if (row_is_mysql_tmp_table_name(name)) {
+
+			/* no overflow if number < 1e13 */
+			sprintf(id, "%s_ibfk_%lu", name,
+				(ulong) (*id_nr)++);
+		} else {
+			char	table_name[MAX_TABLE_NAME_LEN + 20] = "";
+			uint	errors = 0;
+
+			strncpy(table_name, name,
+				MAX_TABLE_NAME_LEN + 20);
+
+			innobase_convert_to_system_charset(
+				strchr(table_name, '/') + 1,
+				strchr(name, '/') + 1,
+				MAX_TABLE_NAME_LEN, &errors);
+
+			if (errors) {
+				strncpy(table_name, name,
+					MAX_TABLE_NAME_LEN + 20);
+			}
+
+			/* no overflow if number < 1e13 */
+			sprintf(id, "%s_ibfk_%lu", table_name,
+				(ulong) (*id_nr)++);
+
+			if (innobase_check_identifier_length(
+				strchr(id,'/') + 1)) {
+				return(DB_IDENTIFIER_TOO_LONG);
+			}
+		}
+		foreign->id = id;
+	}
+
+	return(DB_SUCCESS);
+}
+