merged with XtraDB 1.1.8-26.0

1 files changed, 44 insertions, 44 deletions

diff --git a/storage/xtradb/include/btr0cur.h b/storage/xtradb/include/btr0cur.h
index 4f33aacc48e..cbc6103c2ee 100644
--- a/storage/xtradb/include/btr0cur.h
+++ b/storage/xtradb/include/btr0cur.h
@@ -1,6 +1,6 @@
 /*****************************************************************************
 
-Copyright (c) 1994, 2010, Innobase Oy. All Rights Reserved.
+Copyright (c) 1994, 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
@@ -11,8 +11,8 @@ 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., 59 Temple
-Place, Suite 330, Boston, MA 02111-1307 USA
+this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Suite 500, Boston, MA 02110-1335 USA
 
 *****************************************************************************/
 
@@ -36,6 +36,9 @@ Created 10/16/1994 Heikki Tuuri
 #define BTR_NO_LOCKING_FLAG	2	/* do no record lock checking */
 #define BTR_KEEP_SYS_FLAG	4	/* sys fields will be found from the
 					update vector or inserted entry */
+#define BTR_KEEP_POS_FLAG	8	/* btr_cur_pessimistic_update()
+					must keep cursor position when
+					moving columns to big_rec */
 
 #ifndef UNIV_HOTBACKUP
 #include "que0types.h"
@@ -310,7 +313,9 @@ btr_cur_pessimistic_update(
 /*=======================*/
 	ulint		flags,	/*!< in: undo logging, locking, and rollback
 				flags */
-	btr_cur_t*	cursor,	/*!< in: cursor on the record to update */
+	btr_cur_t*	cursor,	/*!< in/out: cursor on the record to update;
+				cursor may become invalid if *big_rec == NULL
+				|| !(flags & BTR_KEEP_POS_FLAG) */
 	mem_heap_t**	heap,	/*!< in/out: pointer to memory heap, or NULL */
 	big_rec_t**	big_rec,/*!< out: big rec vector whose fields have to
 				be stored externally by the caller, or NULL */
@@ -364,10 +369,13 @@ UNIV_INTERN
 ibool
 btr_cur_compress_if_useful(
 /*=======================*/
-	btr_cur_t*	cursor,	/*!< in: cursor on the page to compress;
+	btr_cur_t*	cursor,	/*!< in/out: cursor on the page to compress;
 				cursor does not stay valid if compression
 				occurs */
-	mtr_t*		mtr);	/*!< in: mtr */
+	ibool		adjust,	/*!< in: TRUE if should adjust the
+				cursor position even if compression occurs */
+	mtr_t*		mtr)	/*!< in/out: mini-transaction */
+	__attribute__((nonnull));
 /*******************************************************//**
 Removes the record on which the tree cursor is positioned. It is assumed
 that the mtr has an x-latch on the page where the cursor is positioned,
@@ -492,6 +500,27 @@ btr_cur_disown_inherited_fields(
 	const upd_t*	update,	/*!< in: update vector */
 	mtr_t*		mtr)	/*!< in/out: mini-transaction */
 	__attribute__((nonnull(2,3,4,5,6)));
+
+/** Operation code for btr_store_big_rec_extern_fields(). */
+enum blob_op {
+	/** Store off-page columns for a freshly inserted record */
+	BTR_STORE_INSERT = 0,
+	/** Store off-page columns for an insert by update */
+	BTR_STORE_INSERT_UPDATE,
+	/** Store off-page columns for an update */
+	BTR_STORE_UPDATE
+};
+
+/*******************************************************************//**
+Determine if an operation on off-page columns is an update.
+@return TRUE if op != BTR_STORE_INSERT */
+UNIV_INLINE
+ibool
+btr_blob_op_is_update(
+/*==================*/
+	enum blob_op	op)	/*!< in: operation */
+	__attribute__((warn_unused_result));
+
 /*******************************************************************//**
 Stores the fields in big_rec_vec to the tablespace and puts pointers to
 them in rec.  The extern flags in rec will have to be set beforehand.
@@ -499,52 +528,23 @@ The fields are stored on pages allocated from leaf node
 file segment of the index tree.
 @return	DB_SUCCESS or DB_OUT_OF_FILE_SPACE */
 UNIV_INTERN
-ulint
-btr_store_big_rec_extern_fields_func(
-/*=================================*/
+enum db_err
+btr_store_big_rec_extern_fields(
+/*============================*/
 	dict_index_t*	index,		/*!< in: index of rec; the index tree
 					MUST be X-latched */
 	buf_block_t*	rec_block,	/*!< in/out: block containing rec */
-	rec_t*		rec,		/*!< in: record */
+	rec_t*		rec,		/*!< in/out: record */
 	const ulint*	offsets,	/*!< in: rec_get_offsets(rec, index);
 					the "external storage" flags in offsets
 					will not correspond to rec when
 					this function returns */
-#ifdef UNIV_DEBUG
-	mtr_t*		local_mtr,	/*!< in: mtr containing the
-					latch to rec and to the tree */
-#endif /* UNIV_DEBUG */
-#if defined UNIV_DEBUG || defined UNIV_BLOB_LIGHT_DEBUG
-	ibool		update_in_place,/*! in: TRUE if the record is updated
-					in place (not delete+insert) */
-#endif /* UNIV_DEBUG || UNIV_BLOB_LIGHT_DEBUG */
-	const big_rec_t*big_rec_vec)	/*!< in: vector containing fields
+	const big_rec_t*big_rec_vec,	/*!< in: vector containing fields
 					to be stored externally */
-	__attribute__((nonnull));
-
-/** Stores the fields in big_rec_vec to the tablespace and puts pointers to
-them in rec.  The extern flags in rec will have to be set beforehand.
-The fields are stored on pages allocated from leaf node
-file segment of the index tree.
-@param index	in: clustered index; MUST be X-latched by mtr
-@param b	in/out: block containing rec; MUST be X-latched by mtr
-@param rec	in/out: clustered index record
-@param offsets	in: rec_get_offsets(rec, index);
-		the "external storage" flags in offsets will not be adjusted
-@param mtr	in: mini-transaction that holds x-latch on index and b
-@param upd	in: TRUE if the record is updated in place (not delete+insert)
-@param big	in: vector containing fields to be stored externally
-@return	DB_SUCCESS or DB_OUT_OF_FILE_SPACE */
-#ifdef UNIV_DEBUG
-# define btr_store_big_rec_extern_fields(index,b,rec,offsets,mtr,upd,big) \
-	btr_store_big_rec_extern_fields_func(index,b,rec,offsets,mtr,upd,big)
-#elif defined UNIV_BLOB_LIGHT_DEBUG
-# define btr_store_big_rec_extern_fields(index,b,rec,offsets,mtr,upd,big) \
-	btr_store_big_rec_extern_fields_func(index,b,rec,offsets,upd,big)
-#else
-# define btr_store_big_rec_extern_fields(index,b,rec,offsets,mtr,upd,big) \
-	btr_store_big_rec_extern_fields_func(index,b,rec,offsets,big)
-#endif
+	mtr_t*		btr_mtr,	/*!< in: mtr containing the
+					latches to the clustered index */
+	enum blob_op	op)		/*! in: operation code */
+	__attribute__((nonnull, warn_unused_result));
 
 /*******************************************************************//**
 Frees the space in an externally stored field to the file space