5 files changed, 82 insertions, 2 deletions
diff --git a/storage/innobase/include/db0err.h b/storage/innobase/include/db0err.h
index af3e78fe833..bab6fa46370 100644
--- a/storage/innobase/include/db0err.h
+++ b/storage/innobase/include/db0err.h
@@ -76,6 +76,12 @@ Created 5/24/1996 Heikki Tuuri
 #define DB_FOREIGN_EXCEED_MAX_CASCADE 50/* Foreign key constraint related
 					cascading delete/update exceeds
 					maximum allowed depth */
+#define DB_FOREIGN_NO_INDEX	51	/* the child (foreign) table does not
+					have an index that contains the
+					foreign keys as its prefix columns */
+#define DB_REFERENCING_NO_INDEX	52	/* the parent (referencing) table does
+					not have an index that contains the
+					foreign keys as its prefix columns */
 
 /* The following are partial failure codes */
 #define DB_FAIL			1000
diff --git a/storage/innobase/include/dict0dict.h b/storage/innobase/include/dict0dict.h
index e76f23d0767..369d354c520 100644
--- a/storage/innobase/include/dict0dict.h
+++ b/storage/innobase/include/dict0dict.h
@@ -588,6 +588,22 @@ dict_table_is_comp_noninline(
 					/* out: TRUE if table uses the
 					compact page format */
 	const dict_table_t*	table);	/* in: table */
+/*********************************************************************//**
+Obtain exclusive locks on all index trees of the table. This is to prevent
+accessing index trees while InnoDB is updating internal metadata for
+operations such as truncate tables. */
+UNIV_INLINE
+void
+dict_table_x_lock_indexes(
+/*======================*/
+	dict_table_t*	table);	/* in: table */
+/*********************************************************************//**
+Release the exclusive locks on all index tree. */
+UNIV_INLINE
+void
+dict_table_x_unlock_indexes(
+/*========================*/
+	dict_table_t*	table);	/* in: table */
 /************************************************************************
 Checks if a column is in the ordering columns of the clustered index of a
 table. Column prefixes are treated like whole columns. */
diff --git a/storage/innobase/include/dict0dict.ic b/storage/innobase/include/dict0dict.ic
index 7d38cbcd1fa..5cdbdbeb03d 100644
--- a/storage/innobase/include/dict0dict.ic
+++ b/storage/innobase/include/dict0dict.ic
@@ -298,6 +298,48 @@ dict_table_is_comp(
 	return(UNIV_LIKELY(table->flags & DICT_TF_COMPACT));
 }
 
+/*********************************************************************//**
+Obtain exclusive locks on all index trees of the table. This is to prevent
+accessing index trees while InnoDB is updating internal metadata for
+operations such as truncate tables. */
+UNIV_INLINE
+void
+dict_table_x_lock_indexes(
+/*======================*/
+	dict_table_t*	table)	/* in: table */
+{
+	dict_index_t*   index;
+
+	ut_a(table);
+	ut_ad(mutex_own(&(dict_sys->mutex)));
+
+	/* Loop through each index of the table and lock them */
+	for (index = dict_table_get_first_index(table);
+	     index != NULL;
+	     index = dict_table_get_next_index(index)) {
+		rw_lock_x_lock(dict_index_get_lock(index));
+	}
+}
+
+/*********************************************************************//**
+Release the exclusive locks on all index tree. */
+UNIV_INLINE
+void
+dict_table_x_unlock_indexes(
+/*========================*/
+	dict_table_t*	table)	/* in: table */
+{
+	dict_index_t*   index;
+
+	ut_a(table);
+	ut_ad(mutex_own(&(dict_sys->mutex)));
+
+	for (index = dict_table_get_first_index(table);
+	     index != NULL;
+	     index = dict_table_get_next_index(index)) {
+		rw_lock_x_unlock(dict_index_get_lock(index));
+	}
+}
 /************************************************************************
 Gets the number of fields in the internal representation of an index,
 including fields added by the dictionary system. */
diff --git a/storage/innobase/include/fil0fil.h b/storage/innobase/include/fil0fil.h
index 251d6c22547..7e85a0b412b 100644
--- a/storage/innobase/include/fil0fil.h
+++ b/storage/innobase/include/fil0fil.h
@@ -202,8 +202,10 @@ the chain but does not delete them. */
 ibool
 fil_space_free(
 /*===========*/
-			/* out: TRUE if success */
-	ulint	id);	/* in: space id */
+				/* out: TRUE if success */
+	ulint	id,		/* in: space id */
+	ibool	x_latched);	/* in: TRUE if caller has space->latch
+				in X mode */
 /***********************************************************************
 Returns the size of the space in pages. The tablespace must be cached in the
 memory cache. */
@@ -710,6 +712,14 @@ fil_page_get_type(
 			written to page, the return value not defined */
 	byte*	page);	/* in: file page */
 
+/***********************************************************************
+Returns TRUE if a single-table tablespace is being deleted. */
+
+ibool
+fil_tablespace_is_being_deleted(
+/*============================*/
+				/* out: TRUE if space is being deleted */
+	ulint		id);	/* in: space id */
 
 typedef	struct fil_space_struct	fil_space_t;
 
diff --git a/storage/innobase/include/univ.i b/storage/innobase/include/univ.i
index 97d022d284e..ce5d8a092bf 100644
--- a/storage/innobase/include/univ.i
+++ b/storage/innobase/include/univ.i
@@ -234,6 +234,12 @@ typedef unsigned long long int	ullint;
 /* Maximum value for a ulint */
 #define ULINT_MAX		((ulint)(-2))
 
+/* THe 'undefined' value for ullint */
+#define ULLINT_UNDEFINED        ((ullint)(-1))
+
+/* Maximum value for a ullint */
+#define ULLINT_MAX		((ullint)(-2))
+
 /* This 'ibool' type is used within Innobase. Remember that different included
 headers may define 'bool' differently. Do not assume that 'bool' is a ulint! */
 #define ibool			ulint