WL#1012: All changes as one single changeset.

This includes both code and test cases.


BitKeeper/deleted/.del-ctype_ucs_binlog.result~280d136b1a0bcf17:
  Delete: mysql-test/r/ctype_ucs_binlog.result
BitKeeper/deleted/.del-rpl_delete_all.result~7c050d592614b3f:
  Delete: mysql-test/r/rpl_delete_all.result
BitKeeper/deleted/.del-rpl000013-slave.opt~18266ad8a2403e8d:
  Delete: mysql-test/t/rpl000013-slave.opt
BitKeeper/deleted/.del-rpl_delete_all.test~700a1490277780e0:
  Delete: mysql-test/t/rpl_delete_all.test
mysql-test/extra/binlog_tests/binlog.test:
  Import patch wl1012.patch
mysql-test/extra/binlog_tests/blackhole.test:
  Import patch wl1012.patch
mysql-test/extra/binlog_tests/ctype_cp932.test:
  Import patch wl1012.patch
mysql-test/extra/binlog_tests/ctype_cp932_binlog.test:
  Import patch wl1012.patch
mysql-test/extra/binlog_tests/ctype_ucs_binlog.test:
  Import patch wl1012.patch
mysql-test/extra/binlog_tests/drop_temp_table.test:
  Import patch wl1012.patch
mysql-test/extra/binlog_tests/insert_select-binlog.test:
  Import patch wl1012.patch
mysql-test/extra/binlog_tests/mix_innodb_myisam_binlog.test:
  Import patch wl1012.patch
mysql-test/extra/rpl_tests/rpl_ddl.test:
  Import patch wl1012.patch
mysql-test/extra/rpl_tests/rpl_deadlock.test:
  Import patch wl1012.patch
mysql-test/extra/rpl_tests/rpl_err_ignoredtable.test:
  Import patch wl1012.patch
mysql-test/extra/rpl_tests/rpl_flsh_tbls.test:
  Import patch wl1012.patch
mysql-test/extra/rpl_tests/rpl_loaddata_m.test:
  Import patch wl1012.patch
mysql-test/extra/rpl_tests/rpl_log.test:
  Import patch wl1012.patch
mysql-test/extra/rpl_tests/rpl_max_relay_size.test:
  Import patch wl1012.patch
mysql-test/extra/rpl_tests/rpl_multi_query.test:
  Import patch wl1012.patch
mysql-test/extra/rpl_tests/rpl_reset_slave.test:
  Import patch wl1012.patch
mysql-test/extra/rpl_tests/rpl_stm_000001.test:
  Import patch wl1012.patch
mysql-test/extra/rpl_tests/rpl_stm_EE_err.test:
  Import patch wl1012.patch
mysql-test/extra/rpl_tests/rpl_stm_charset.test:
  Import patch wl1012.patch
mysql-test/extra/rpl_tests/rpl_user_variables.test:
  Import patch wl1012.patch
mysql-test/r/binlog_stm_binlog.result:
  Import patch wl1012.patch
mysql-test/r/binlog_stm_blackhole.result:
  Import patch wl1012.patch
mysql-test/r/binlog_stm_ctype_cp932.result:
  Import patch wl1012.patch
mysql-test/r/binlog_stm_ctype_ucs.result:
  Import patch wl1012.patch
mysql-test/r/binlog_stm_drop_tmp_tbl.result:
  Import patch wl1012.patch
mysql-test/r/binlog_stm_insert_select.result:
  Import patch wl1012.patch
mysql-test/r/binlog_stm_mix_innodb_myisam.result:
  Import patch wl1012.patch
mysql-test/r/rpl_000012.result:
  Import patch wl1012.patch
mysql-test/r/rpl_000015.result:
  Import patch wl1012.patch
mysql-test/r/rpl_deadlock_innodb.result:
  Import patch wl1012.patch
mysql-test/r/rpl_flushlog_loop.result:
  Import patch wl1012.patch
mysql-test/r/rpl_loaddata_s.result:
  Import patch wl1012.patch
mysql-test/r/rpl_stm_000001.result:
  Import patch wl1012.patch
mysql-test/r/rpl_stm_EE_err.result:
  Import patch wl1012.patch
mysql-test/r/rpl_stm_charset.result:
  Import patch wl1012.patch
mysql-test/r/rpl_stm_ddl.result:
  Import patch wl1012.patch
mysql-test/r/rpl_stm_err_ignoredtable.result:
  Import patch wl1012.patch
mysql-test/r/rpl_stm_flsh_tbls.result:
  Import patch wl1012.patch
mysql-test/r/rpl_stm_loaddata_m.result:
  Import patch wl1012.patch
mysql-test/r/rpl_stm_log.result:
  Import patch wl1012.patch
mysql-test/r/rpl_stm_max_relay_size.result:
  Import patch wl1012.patch
mysql-test/r/rpl_stm_multi_query.result:
  Import patch wl1012.patch
mysql-test/r/rpl_stm_mystery22.result:
  Import patch wl1012.patch
mysql-test/r/rpl_stm_reset_slave.result:
  Import patch wl1012.patch
mysql-test/r/rpl_stm_rewrt_db.result:
  Import patch wl1012.patch
mysql-test/r/rpl_stm_sp.result:
  Import patch wl1012.patch
mysql-test/r/rpl_stm_timezone.result:
  Import patch wl1012.patch
mysql-test/r/rpl_stm_until.result:
  Import patch wl1012.patch
mysql-test/r/rpl_stm_user_variables.result:
  Import patch wl1012.patch
mysql-test/r/rpl_stm_view.result:
  Import patch wl1012.patch
mysql-test/t/binlog_row_binlog-master.opt:
  Import patch wl1012.patch
mysql-test/t/rpl_000012.test:
  Import patch wl1012.patch
mysql-test/t/rpl_000015-slave.sh:
  Import patch wl1012.patch
mysql-test/t/rpl_000015.slave-mi:
  Import patch wl1012.patch
mysql-test/t/rpl_000015.test:
  Import patch wl1012.patch
mysql-test/t/rpl_deadlock_innodb-slave.opt:
  Import patch wl1012.patch
mysql-test/t/rpl_flushlog_loop-master.opt:
  Import patch wl1012.patch
mysql-test/t/rpl_flushlog_loop-master.sh:
  Import patch wl1012.patch
mysql-test/t/rpl_flushlog_loop-slave.opt:
  Import patch wl1012.patch
mysql-test/t/rpl_flushlog_loop-slave.sh:
  Import patch wl1012.patch
mysql-test/t/rpl_flushlog_loop.test:
  Import patch wl1012.patch
mysql-test/t/rpl_loaddata_s-slave.opt:
  Import patch wl1012.patch
mysql-test/t/rpl_loaddata_s.test:
  Import patch wl1012.patch
mysql-test/t/rpl_stm_000001-slave.opt:
  Import patch wl1012.patch
mysql-test/t/rpl_stm_err_ignoredtable-slave.opt:
  Import patch wl1012.patch
mysql-test/t/rpl_stm_loaddata_m-master.opt:
  Import patch wl1012.patch
mysql-test/t/rpl_stm_log-master.opt:
  Import patch wl1012.patch
mysql-test/t/rpl_stm_log-slave.opt:
  Import patch wl1012.patch
mysql-test/t/rpl_stm_mystery22.test:
  Import patch wl1012.patch
mysql-test/t/rpl_stm_rewrt_db-slave.opt:
  Import patch wl1012.patch
mysql-test/t/rpl_stm_rewrt_db.test:
  Import patch wl1012.patch
mysql-test/t/rpl_stm_sp-master.opt:
  Import patch wl1012.patch
mysql-test/t/rpl_stm_sp-slave.opt:
  Import patch wl1012.patch
mysql-test/t/rpl_stm_sp.test:
  Import patch wl1012.patch
mysql-test/t/rpl_stm_timezone-master.opt:
  Import patch wl1012.patch
mysql-test/t/rpl_stm_timezone-slave.opt:
  Import patch wl1012.patch
BUILD/SETUP.sh:
  Import patch wl1012.patch
Makefile.am:
  Import patch wl1012.patch
mysql-test/t/rpl_stm_timezone.test:
  Import patch wl1012.patch
mysql-test/t/rpl_stm_until.test:
  Import patch wl1012.patch
mysql-test/t/rpl_stm_view.test:
  Import patch wl1012.patch
client/Makefile.am:
  Import patch wl1012.patch
client/client_priv.h:
  Import patch wl1012.patch
client/mysqlbinlog.cc:
  Import patch wl1012.patch
configure.in:
  Import patch wl1012.patch
include/Makefile.am:
  Import patch wl1012.patch
include/base64.h:
  Import patch wl1012.patch
include/config-win.h:
  Import patch wl1012.patch
include/my_base.h:
  Import patch wl1012.patch
include/my_global.h:
  Import patch wl1012.patch
mysql-test/Makefile.am:
  Import patch wl1012.patch
mysql-test/mysql-test-run.pl:
  Import patch wl1012.patch
mysql-test/mysql-test-run.sh:
  Import patch wl1012.patch
mysql-test/r/date_formats.result:
  Import patch wl1012.patch
mysql-test/r/flush_block_commit.result:
  Import patch wl1012.patch
mysql-test/r/innodb.result:
  Import patch wl1012.patch
mysql-test/r/rpl000017.result:
  Import patch wl1012.patch
mysql-test/r/rpl_change_master.result:
  Import patch wl1012.patch
mysql-test/r/rpl_commit_after_flush.result:
  Import patch wl1012.patch
mysql-test/r/rpl_create_database.result:
  Import patch wl1012.patch
mysql-test/r/rpl_do_grant.result:
  Import patch wl1012.patch
mysql-test/r/rpl_loaddata.result:
  Import patch wl1012.patch
mysql-test/r/rpl_log_pos.result:
  Import patch wl1012.patch
mysql-test/r/rpl_multi_delete.result:
  Import patch wl1012.patch
mysql-test/r/rpl_multi_update.result:
  Import patch wl1012.patch
mysql-test/r/rpl_openssl.result:
  Import patch wl1012.patch
mysql-test/r/rpl_replicate_do.result:
  Import patch wl1012.patch
mysql-test/r/rpl_rotate_logs.result:
  Import patch wl1012.patch
mysql-test/r/rpl_server_id1.result:
  Import patch wl1012.patch
mysql-test/r/rpl_server_id2.result:
  Import patch wl1012.patch
mysql-test/r/rpl_temporary.result:
  Import patch wl1012.patch
mysql-test/r/user_var-binlog.result:
  Import patch wl1012.patch
mysql-test/t/create_select_tmp.test:
  Import patch wl1012.patch
mysql-test/t/date_formats.test:
  Import patch wl1012.patch
mysql-test/t/disabled.def:
  Import patch wl1012.patch
mysql-test/t/innodb.test:
  Import patch wl1012.patch
mysql-test/t/mysqlbinlog.test:
  Import patch wl1012.patch
mysql-test/t/mysqlbinlog2.test:
  Import patch wl1012.patch
mysql-test/t/rpl000002.test:
  Import patch wl1012.patch
mysql-test/t/rpl000006.test:
  Import patch wl1012.patch
mysql-test/t/rpl000013.test:
  Import patch wl1012.patch
mysql-test/t/rpl000017.test:
  Import patch wl1012.patch
mysql-test/t/rpl_auto_increment.test:
  Import patch wl1012.patch
mysql-test/t/rpl_change_master.test:
  Import patch wl1012.patch
mysql-test/t/rpl_commit_after_flush.test:
  Import patch wl1012.patch
mysql-test/t/rpl_create_database.test:
  Import patch wl1012.patch
mysql-test/t/rpl_do_grant.test:
  Import patch wl1012.patch
mysql-test/t/rpl_drop.test:
  Import patch wl1012.patch
mysql-test/t/rpl_empty_master_crash.test:
  Import patch wl1012.patch
mysql-test/t/rpl_failed_optimize.test:
  Import patch wl1012.patch
mysql-test/t/rpl_heap.test:
  Import patch wl1012.patch
mysql-test/t/rpl_insert_id.test:
  Import patch wl1012.patch
mysql-test/t/rpl_insert_ignore.test:
  Import patch wl1012.patch
mysql-test/t/rpl_loaddata.test:
  Import patch wl1012.patch
mysql-test/t/rpl_log_pos.test:
  Import patch wl1012.patch
mysql-test/t/rpl_multi_delete.test:
  Import patch wl1012.patch
mysql-test/t/rpl_multi_update.test:
  Import patch wl1012.patch
mysql-test/t/rpl_multi_update2.test:
  Import patch wl1012.patch
mysql-test/t/rpl_multi_update3.test:
  Import patch wl1012.patch
mysql-test/t/rpl_openssl.test:
  Import patch wl1012.patch
mysql-test/t/rpl_redirect.test:
  Import patch wl1012.patch
mysql-test/t/rpl_relayrotate.test:
  Import patch wl1012.patch
mysql-test/t/rpl_replicate_do.test:
  Import patch wl1012.patch
mysql-test/t/rpl_rotate_logs.test:
  Import patch wl1012.patch
mysql-test/t/rpl_server_id1.test:
  Import patch wl1012.patch
mysql-test/t/rpl_sp_effects.test:
  Import patch wl1012.patch
mysql-test/t/rpl_temporary.test:
  Import patch wl1012.patch
mysql-test/t/rpl_trigger.test:
  Import patch wl1012.patch
mysql-test/t/sp.test:
  Import patch wl1012.patch
mysql-test/t/user_var-binlog.test:
  Import patch wl1012.patch
mysys/Makefile.am:
  Import patch wl1012.patch
mysys/base64.c:
  Import patch wl1012.patch
sql/Makefile.am:
  Import patch wl1012.patch
sql/ha_innodb.cc:
  Import patch wl1012.patch
sql/ha_innodb.h:
  Import patch wl1012.patch
sql/ha_partition.cc:
  Import patch wl1012.patch
sql/handler.cc:
  Import patch wl1012.patch
sql/handler.h:
  Import patch wl1012.patch
sql/item_sum.cc:
  Import patch wl1012.patch
sql/log.cc:
  Import patch wl1012.patch
sql/log_event.cc:
  Import patch wl1012.patch
sql/log_event.h:
  Import patch wl1012.patch
sql/mysql_priv.h:
  Import patch wl1012.patch
sql/mysqld.cc:
  Import patch wl1012.patch
sql/rpl_filter.h:
  Import patch wl1012.patch
sql/set_var.cc:
  Import patch wl1012.patch
sql/share/errmsg.txt:
  Import patch wl1012.patch
sql/slave.cc:
  Import patch wl1012.patch
sql/slave.h:
  Import patch wl1012.patch
sql/sp.cc:
  Import patch wl1012.patch
sql/sp_head.cc:
  Import patch wl1012.patch
sql/sql_acl.cc:
  Import patch wl1012.patch
sql/sql_base.cc:
  Import patch wl1012.patch
sql/sql_class.cc:
  Import patch wl1012.patch
sql/sql_class.h:
  Import patch wl1012.patch
sql/sql_delete.cc:
  Import patch wl1012.patch
sql/sql_insert.cc:
  Import patch wl1012.patch
sql/sql_lex.h:
  Import patch wl1012.patch
sql/sql_list.h:
  Import patch wl1012.patch
sql/sql_load.cc:
  Import patch wl1012.patch
sql/sql_parse.cc:
  Import patch wl1012.patch
sql/sql_plugin.cc:
  Import patch wl1012.patch
sql/sql_rename.cc:
  Import patch wl1012.patch
sql/sql_repl.h:
  Import patch wl1012.patch
sql/sql_select.cc:
  Import patch wl1012.patch
sql/sql_show.cc:
  Import patch wl1012.patch
sql/sql_table.cc:
  Import patch wl1012.patch
sql/sql_udf.cc:
  Import patch wl1012.patch
sql/sql_union.cc:
  Import patch wl1012.patch
sql/sql_update.cc:
  Import patch wl1012.patch
sql/sql_yacc.yy:
  Import patch wl1012.patch
sql/table.cc:
  Import patch wl1012.patch
sql/table.h:
  Import patch wl1012.patch
storage/innobase/include/lock0lock.h:
  Import patch wl1012.patch
storage/innobase/include/row0mysql.h:
  Import patch wl1012.patch
storage/innobase/include/row0vers.h:
  Import patch wl1012.patch
storage/innobase/lock/lock0lock.c:
  Import patch wl1012.patch
storage/innobase/row/row0mysql.c:
  Import patch wl1012.patch
storage/innobase/row/row0sel.c:
  Import patch wl1012.patch
storage/innobase/row/row0vers.c:
  Import patch wl1012.patch

1 files changed, 138 insertions, 0 deletions

diff --git a/storage/innobase/row/row0vers.c b/storage/innobase/row/row0vers.c
index 8e747423047..b32ab8822f4 100644
--- a/storage/innobase/row/row0vers.c
+++ b/storage/innobase/row/row0vers.c
@@ -490,3 +490,141 @@ row_vers_build_for_consistent_read(
 
 	return(err);
 }
+
+/*********************************************************************
+Constructs the last committed version of a clustered index record,
+which should be seen by a semi-consistent read. */
+
+ulint
+row_vers_build_for_semi_consistent_read(
+/*====================================*/
+				/* out: DB_SUCCESS or DB_MISSING_HISTORY */
+	rec_t*		rec,	/* in: record in a clustered index; the
+				caller must have a latch on the page; this
+				latch locks the top of the stack of versions
+				of this records */
+	mtr_t*		mtr,	/* in: mtr holding the latch on rec */
+	dict_index_t*	index,	/* in: the clustered index */
+	ulint**		offsets,/* in/out: offsets returned by
+				rec_get_offsets(rec, index) */
+	mem_heap_t**	offset_heap,/* in/out: memory heap from which
+				the offsets are allocated */
+	mem_heap_t*	in_heap,/* in: memory heap from which the memory for
+				old_vers is allocated; memory for possible
+				intermediate versions is allocated and freed
+				locally within the function */
+	rec_t**		old_vers)/* out, own: rec, old version, or NULL if the
+				record does not exist in the view, that is,
+				it was freshly inserted afterwards */
+{
+	rec_t*		version;
+	mem_heap_t*	heap		= NULL;
+	byte*		buf;
+	ulint		err;
+	dulint		rec_trx_id;
+
+	ut_ad(index->type & DICT_CLUSTERED);
+	ut_ad(mtr_memo_contains(mtr, buf_block_align(rec), MTR_MEMO_PAGE_X_FIX)
+		|| mtr_memo_contains(mtr, buf_block_align(rec),
+						MTR_MEMO_PAGE_S_FIX));
+#ifdef UNIV_SYNC_DEBUG
+	ut_ad(!rw_lock_own(&(purge_sys->latch), RW_LOCK_SHARED));
+#endif /* UNIV_SYNC_DEBUG */
+
+	ut_ad(rec_offs_validate(rec, index, *offsets));
+
+	rw_lock_s_lock(&(purge_sys->latch));
+	/* The S-latch on purge_sys prevents the purge view from
+	changing.  Thus, if we have an uncommitted transaction at
+	this point, then purge cannot remove its undo log even if
+	the transaction could commit now. */
+
+	version = rec;
+
+	for (;;) {
+		trx_t*		version_trx;
+		mem_heap_t*	heap2;
+		rec_t*		prev_version;
+		dulint		version_trx_id;
+
+		version_trx_id = row_get_rec_trx_id(
+					version, index, *offsets);
+		if (rec == version) {
+			rec_trx_id = version_trx_id;
+		}
+
+		mutex_enter(&kernel_mutex);
+		version_trx = trx_get_on_id(version_trx_id);
+		mutex_exit(&kernel_mutex);
+
+		if (!version_trx
+		    || version_trx->conc_state == TRX_NOT_STARTED
+		    || version_trx->conc_state == TRX_COMMITTED_IN_MEMORY) {
+
+			/* We found a version that belongs to a
+			committed transaction: return it. */
+
+			if (rec == version) {
+				*old_vers = rec;
+				err = DB_SUCCESS;
+				break;
+			}
+
+			/* We assume that a rolled-back transaction stays in
+			TRX_ACTIVE state until all the changes have been
+			rolled back and the transaction is removed from
+			the global list of transactions. */
+
+			if (!ut_dulint_cmp(rec_trx_id, version_trx_id)) {
+				/* The transaction was committed while
+				we searched for earlier versions.
+				Return the current version as a
+				semi-consistent read. */
+
+				version = rec;
+				*offsets = rec_get_offsets(version,
+					index, *offsets,
+					ULINT_UNDEFINED, offset_heap);
+			}
+
+			buf = mem_heap_alloc(in_heap, rec_offs_size(*offsets));
+			*old_vers = rec_copy(buf, version, *offsets);
+			rec_offs_make_valid(*old_vers, index, *offsets);
+			err = DB_SUCCESS;
+
+			break;
+		}
+
+		heap2 = heap;
+		heap = mem_heap_create(1024);
+
+		err = trx_undo_prev_version_build(rec, mtr, version, index,
+						*offsets, heap, &prev_version);
+		if (heap2) {
+			mem_heap_free(heap2); /* free version */
+		}
+
+		if (UNIV_UNLIKELY(err != DB_SUCCESS)) {
+			break;
+		}
+
+		if (prev_version == NULL) {
+			/* It was a freshly inserted version */
+			*old_vers = NULL;
+			err = DB_SUCCESS;
+
+			break;
+		}
+
+		version = prev_version;
+		*offsets = rec_get_offsets(version, index, *offsets,
+					ULINT_UNDEFINED, offset_heap);
+	}/* for (;;) */
+
+	if (heap) {
+		mem_heap_free(heap);
+	}
+	rw_lock_s_unlock(&(purge_sys->latch));
+
+	return(err);
+}