MySQL-5.5.35 merge

7 files changed, 48 insertions, 29 deletions

diff --git a/storage/innobase/include/btr0cur.h b/storage/innobase/include/btr0cur.h
index 283a6eec852..78637ea7295 100644
--- a/storage/innobase/include/btr0cur.h
+++ b/storage/innobase/include/btr0cur.h
@@ -636,6 +636,21 @@ btr_cur_set_deleted_flag_for_ibuf(
 					uncompressed */
 	ibool		val,		/*!< in: value to set */
 	mtr_t*		mtr);		/*!< in/out: mini-transaction */
+
+/***********************************************************//**
+Writes a redo log record of updating a record in-place. */
+UNIV_INTERN
+void
+btr_cur_update_in_place_log(
+/*========================*/
+	ulint		flags,		/*!< in: flags */
+	rec_t*		rec,		/*!< in: record */
+	dict_index_t*	index,		/*!< in: index where cursor positioned */
+	const upd_t*	update,		/*!< in: update vector */
+	trx_t*		trx,		/*!< in: transaction */
+	roll_ptr_t	roll_ptr,	/*!< in: roll ptr */
+	mtr_t*		mtr);		/*!< in: mtr */
+
 /*######################################################################*/
 
 /** In the pessimistic delete, if the page data size drops below this
diff --git a/storage/innobase/include/btr0pcur.h b/storage/innobase/include/btr0pcur.h
index 4312f73ca4a..d9ce02283d7 100644
--- a/storage/innobase/include/btr0pcur.h
+++ b/storage/innobase/include/btr0pcur.h
@@ -1,6 +1,6 @@
 /*****************************************************************************
 
-Copyright (c) 1996, 2011, Oracle and/or its affiliates. All Rights Reserved.
+Copyright (c) 1996, 2013, 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
@@ -447,6 +447,27 @@ btr_pcur_move_to_prev_on_page(
 /*==========================*/
 	btr_pcur_t*	cursor);/*!< in/out: persistent cursor */
 
+/** Position state of persistent B-tree cursor. */
+enum pcur_pos_t {
+	/** The persistent cursor is not positioned. */
+	BTR_PCUR_NOT_POSITIONED = 0,
+	/** The persistent cursor was previously positioned.
+	TODO: currently, the state can be BTR_PCUR_IS_POSITIONED,
+	though it really should be BTR_PCUR_WAS_POSITIONED,
+	because we have no obligation to commit the cursor with
+	mtr; similarly latch_mode may be out of date. This can
+	lead to problems if btr_pcur is not used the right way;
+	all current code should be ok. */
+	BTR_PCUR_WAS_POSITIONED,
+	/** The persistent cursor is positioned by optimistic get to the same
+	record as it was positioned at. Not used for rel_pos == BTR_PCUR_ON.
+	It may need adjustment depending on previous/current search direction
+	and rel_pos. */
+	BTR_PCUR_IS_POSITIONED_OPTIMISTIC,
+	/** The persistent cursor is positioned by index search.
+	Or optimistic get for rel_pos == BTR_PCUR_ON. */
+	BTR_PCUR_IS_POSITIONED
+};
 
 /* The persistent B-tree cursor structure. This is used mainly for SQL
 selects, updates, and deletes. */
@@ -480,10 +501,8 @@ struct btr_pcur_struct{
 	ib_uint64_t	modify_clock;	/*!< the modify clock value of the
 					buffer block when the cursor position
 					was stored */
-	ulint		pos_state;	/*!< see TODO note below!
-					BTR_PCUR_IS_POSITIONED,
-					BTR_PCUR_WAS_POSITIONED,
-					BTR_PCUR_NOT_POSITIONED */
+	enum pcur_pos_t	pos_state;	/*!< btr_pcur_store_position() and
+					btr_pcur_restore_position() state. */
 	ulint		search_mode;	/*!< PAGE_CUR_G, ... */
 	trx_t*		trx_if_known;	/*!< the transaction, if we know it;
 					otherwise this field is not defined;
@@ -499,21 +518,6 @@ struct btr_pcur_struct{
 					is not NULL */
 };
 
-#define BTR_PCUR_IS_POSITIONED	1997660512	/* TODO: currently, the state
-						can be BTR_PCUR_IS_POSITIONED,
-						though it really should be
-						BTR_PCUR_WAS_POSITIONED,
-						because we have no obligation
-						to commit the cursor with
-						mtr; similarly latch_mode may
-						be out of date. This can
-						lead to problems if btr_pcur
-						is not used the right way;
-						all current code should be
-						ok. */
-#define BTR_PCUR_WAS_POSITIONED	1187549791
-#define BTR_PCUR_NOT_POSITIONED 1328997689
-
 #define BTR_PCUR_OLD_STORED	908467085
 #define BTR_PCUR_OLD_NOT_STORED	122766467
 
diff --git a/storage/innobase/include/btr0pcur.ic b/storage/innobase/include/btr0pcur.ic
index 696dfc728dc..647e8d0cde9 100644
--- a/storage/innobase/include/btr0pcur.ic
+++ b/storage/innobase/include/btr0pcur.ic
@@ -1,6 +1,6 @@
 /*****************************************************************************
 
-Copyright (c) 1996, 2011, Oracle and/or its affiliates. All Rights Reserved.
+Copyright (c) 1996, 2013, 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
@@ -379,7 +379,7 @@ btr_pcur_commit_specify_mtr(
 	btr_pcur_t*	pcur,	/*!< in: persistent cursor */
 	mtr_t*		mtr)	/*!< in: mtr to commit */
 {
-	ut_a(pcur->pos_state == BTR_PCUR_IS_POSITIONED);
+	ut_ad(pcur->pos_state == BTR_PCUR_IS_POSITIONED);
 
 	pcur->latch_mode = BTR_NO_LATCHES;
 
diff --git a/storage/innobase/include/btr0sea.h b/storage/innobase/include/btr0sea.h
index 0ee68101ee7..081dc88435e 100644
--- a/storage/innobase/include/btr0sea.h
+++ b/storage/innobase/include/btr0sea.h
@@ -188,8 +188,6 @@ UNIV_INTERN
 ibool
 btr_search_validate(void);
 /*======================*/
-#else
-# define btr_search_validate()	TRUE
 #endif /* defined UNIV_AHI_DEBUG || defined UNIV_DEBUG */
 
 /** The search info struct in an index */
diff --git a/storage/innobase/include/dict0types.h b/storage/innobase/include/dict0types.h
index 330e6a25114..22407e2408e 100644
--- a/storage/innobase/include/dict0types.h
+++ b/storage/innobase/include/dict0types.h
@@ -63,4 +63,9 @@ typedef enum dict_err_ignore		dict_err_ignore_t;
 #define TEMP_TABLE_PREFIX                "#sql"
 #define TEMP_TABLE_PATH_PREFIX           "/" TEMP_TABLE_PREFIX
 
+#if defined UNIV_DEBUG || defined UNIV_IBUF_DEBUG
+/** Flag to control insert buffer debugging. */
+extern uint		ibuf_debug;
+#endif /* UNIV_DEBUG || UNIV_IBUF_DEBUG */
+
 #endif
diff --git a/storage/innobase/include/ibuf0ibuf.h b/storage/innobase/include/ibuf0ibuf.h
index 7fa077d5c8f..b34d06ffde3 100644
--- a/storage/innobase/include/ibuf0ibuf.h
+++ b/storage/innobase/include/ibuf0ibuf.h
@@ -63,11 +63,6 @@ typedef enum {
 /** Operations that can currently be buffered. */
 extern ibuf_use_t	ibuf_use;
 
-#if defined UNIV_DEBUG || defined UNIV_IBUF_DEBUG
-/** Flag to control insert buffer debugging. */
-extern uint		ibuf_debug;
-#endif /* UNIV_DEBUG || UNIV_IBUF_DEBUG */
-
 /** The insert buffer control structure */
 extern ibuf_t*		ibuf;
 
diff --git a/storage/innobase/include/log0log.h b/storage/innobase/include/log0log.h
index 5524272d811..b0e5e9bda3b 100644
--- a/storage/innobase/include/log0log.h
+++ b/storage/innobase/include/log0log.h
@@ -809,6 +809,8 @@ struct log_struct{
 					later; this is advanced when a flush
 					operation is completed to all the log
 					groups */
+	volatile ibool	is_extending;	/*!< this is set to true during extend
+					the log buffer size */
 	ib_uint64_t	written_to_some_lsn;
 					/*!< first log sequence number not yet
 					written to any log group; for this to