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Merge 10.2 into 10.3

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This commit is contained in:
Marko Mäkelä 2020-07-20 15:11:59 +03:00
commit acc58fd835
21 changed files with 166 additions and 122 deletions

5
CMakeLists.txt
View file

@ -1,5 +1,5 @@
# Copyright (c) 2006, 2017, Oracle and/or its affiliates.
# Copyright (c) 2008, 2019, MariaDB Corporation.
# Copyright (c) 2008, 2020, MariaDB Corporation.
#
# 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
@ -183,6 +183,7 @@ ENDIF()
OPTION(NOT_FOR_DISTRIBUTION "Allow linking with GPLv2-incompatible system libraries. Only set it you never plan to distribute the resulting binaries" OFF)
INCLUDE(check_compiler_flag)
INCLUDE(check_linker_flag)
OPTION(WITH_ASAN "Enable address sanitizer" OFF)
@ -245,7 +246,7 @@ IF(NOT WITH_TSAN)
ENDIF()
# security-enhancing flags
MY_CHECK_AND_SET_COMPILER_FLAG("-pie -fPIC")
MY_CHECK_AND_SET_COMPILER_FLAG("-Wl,-z,relro,-z,now")
MY_CHECK_AND_SET_LINKER_FLAG("-Wl,-z,relro,-z,now")
MY_CHECK_AND_SET_COMPILER_FLAG("-fstack-protector --param=ssp-buffer-size=4")
MY_CHECK_AND_SET_COMPILER_FLAG("-D_FORTIFY_SOURCE=2" RELEASE RELWITHDEBINFO)
ENDIF()

27
cmake/check_linker_flag.cmake Normal file
View file

@ -0,0 +1,27 @@
include(CheckCXXSourceCompiles)
FUNCTION(MY_CHECK_AND_SET_LINKER_FLAG flag_to_set)
# Let's avoid expensive compiler tests on Windows:
IF(WIN32)
RETURN()
ENDIF()
STRING(REGEX REPLACE "[-,= +]" "_" result "HAVE_LINK_FLAG_${flag_to_set}")
SET(SAVE_CMAKE_REQUIRED_LINK_OPTIONS "${CMAKE_REQUIRED_LINK_OPTIONS}")
STRING(REGEX REPLACE "^-Wno-" "-W" flag_to_check ${flag_to_set})
SET(CMAKE_REQUIRED_LINK_OPTIONS ${CMAKE_REQUIRED_LINK_OPTIONS} ${flag_to_check})
CHECK_CXX_SOURCE_COMPILES("int main(void) { return 0; }" ${result})
SET(CMAKE_REQUIRED_LINK_OPTIONS "${SAVE_CMAKE_REQUIRED_LINK_OPTIONS}")
IF (${result})
FOREACH(linktype SHARED MODULE EXE)
IF(ARGN)
FOREACH(type ${ARGN})
SET(CMAKE_${linktype}_LINKER_FLAGS_${type}
"${CMAKE_${linktype}_LINKER_FLAGS_${type}} ${flag_to_set}" PARENT_SCOPE)
ENDFOREACH()
ELSE()
SET(CMAKE_${linktype}_LINKER_FLAGS
"${CMAKE_${linktype}_LINKER_FLAGS} ${flag_to_set}" PARENT_SCOPE)
ENDIF()
ENDFOREACH()
ENDIF()
ENDFUNCTION()

24
mysql-test/main/stat_tables_innodb.result
View file

@ -855,4 +855,28 @@ drop table t1;
# please keep this at the last
set @@global.histogram_size=@save_histogram_size;
set optimizer_switch=@save_optimizer_switch_for_stat_tables_test;
#
# MDEV-22851: Engine independent index statistics are incorrect for large tables on Windows.
#
CREATE TABLE t1(a INT) ENGINE=INNODB;
INSERT INTO t1 SELECT 1 FROM seq_1_to_60000;
SET @save_use_stat_tables= @@use_stat_tables;
SET use_stat_tables= preferably;
SELECT count(*) FROM t1;
count(*)
60000
CREATE INDEX idx ON t1(a);
ANALYZE TABLE t1 PERSISTENT FOR COLUMNS (a) INDEXES (idx);
Table Op Msg_type Msg_text
test.t1 analyze status Engine-independent statistics collected
test.t1 analyze status OK
SELECT * FROM mysql.index_stats where table_name='t1';
db_name table_name index_name prefix_arity avg_frequency
test t1 idx 1 60000.0000
SELECT * FROM mysql.column_stats where table_name='t1';
db_name table_name column_name min_value max_value nulls_ratio avg_length avg_frequency hist_size hist_type histogram
test t1 a 1 1 0.0000 4.0000 60000.0000 0 NULL NULL
SET use_stat_tables= @save_use_stat_tables;
DROP TABLE t1;
# end of 10.1 tests
SET SESSION STORAGE_ENGINE=DEFAULT;

20
mysql-test/main/stat_tables_innodb.test
View file

@ -1,4 +1,5 @@
--source include/have_innodb.inc
--source include/have_sequence.inc
SET SESSION STORAGE_ENGINE='InnoDB';
@ -9,4 +10,23 @@ set optimizer_switch='extended_keys=on';
set optimizer_switch=@save_optimizer_switch_for_stat_tables_test;
--echo #
--echo # MDEV-22851: Engine independent index statistics are incorrect for large tables on Windows.
--echo #
CREATE TABLE t1(a INT) ENGINE=INNODB;
INSERT INTO t1 SELECT 1 FROM seq_1_to_60000;
SET @save_use_stat_tables= @@use_stat_tables;
SET use_stat_tables= preferably;
SELECT count(*) FROM t1;
CREATE INDEX idx ON t1(a);
ANALYZE TABLE t1 PERSISTENT FOR COLUMNS (a) INDEXES (idx);
SELECT * FROM mysql.index_stats where table_name='t1';
SELECT * FROM mysql.column_stats where table_name='t1';
SET use_stat_tables= @save_use_stat_tables;
DROP TABLE t1;
--echo # end of 10.1 tests
SET SESSION STORAGE_ENGINE=DEFAULT;

8
sql/mysqld.cc
View file

@ -4734,8 +4734,10 @@ static int init_common_variables()
get corrupted if accesses with names of different case.
*/
DBUG_PRINT("info", ("lower_case_table_names: %d", lower_case_table_names));
if(mysql_real_data_home_ptr == NULL || *mysql_real_data_home_ptr == 0)
mysql_real_data_home_ptr= mysql_real_data_home;
SYSVAR_AUTOSIZE(lower_case_file_system,
test_if_case_insensitive(mysql_real_data_home));
test_if_case_insensitive(mysql_real_data_home_ptr));
if (!lower_case_table_names && lower_case_file_system == 1)
{
if (lower_case_table_names_used)
@ -4752,7 +4754,7 @@ static int init_common_variables()
{
if (global_system_variables.log_warnings)
sql_print_warning("Setting lower_case_table_names=2 because file "
"system for %s is case insensitive", mysql_real_data_home);
"system for %s is case insensitive", mysql_real_data_home_ptr);
SYSVAR_AUTOSIZE(lower_case_table_names, 2);
}
}
@ -4763,7 +4765,7 @@ static int init_common_variables()
sql_print_warning("lower_case_table_names was set to 2, even though your "
"the file system '%s' is case sensitive. Now setting "
"lower_case_table_names to 0 to avoid future problems.",
mysql_real_data_home);
mysql_real_data_home_ptr);
SYSVAR_AUTOSIZE(lower_case_table_names, 0);
}
else

14
sql/sql_statistics.cc
View file

@ -2106,8 +2106,8 @@ int alloc_statistics_for_table(THD* thd, TABLE *table)
sizeof(Index_statistics) * keys);
uint key_parts= table->s->ext_key_parts;
ulong *idx_avg_frequency= (ulong*) alloc_root(&table->mem_root,
sizeof(ulong) * key_parts);
ulonglong *idx_avg_frequency= (ulonglong*) alloc_root(&table->mem_root,
sizeof(ulonglong) * key_parts);
uint columns= 0;
for (field_ptr= table->field; *field_ptr; field_ptr++)
@ -2152,7 +2152,7 @@ int alloc_statistics_for_table(THD* thd, TABLE *table)
}
}
memset(idx_avg_frequency, 0, sizeof(ulong) * key_parts);
memset(idx_avg_frequency, 0, sizeof(ulonglong) * key_parts);
KEY *key_info, *end;
for (key_info= table->key_info, end= key_info + table->s->keys;
@ -2268,14 +2268,14 @@ static int alloc_statistics_for_table_share(THD* thd, TABLE_SHARE *table_share)
}
uint key_parts= table_share->ext_key_parts;
ulong *idx_avg_frequency= table_stats->idx_avg_frequency;
ulonglong *idx_avg_frequency= table_stats->idx_avg_frequency;
if (!idx_avg_frequency)
{
idx_avg_frequency= (ulong*) alloc_root(&stats_cb->mem_root,
sizeof(ulong) * key_parts);
idx_avg_frequency= (ulonglong*) alloc_root(&stats_cb->mem_root,
sizeof(ulonglong) * key_parts);
if (idx_avg_frequency)
{
memset(idx_avg_frequency, 0, sizeof(ulong) * key_parts);
memset(idx_avg_frequency, 0, sizeof(ulonglong) * key_parts);
table_stats->idx_avg_frequency= idx_avg_frequency;
for (key_info= table_share->key_info, end= key_info + keys;
key_info < end;

18
sql/sql_statistics.h
View file

@ -267,7 +267,9 @@ public:
uchar *min_max_record_buffers; /* Record buffers for min/max values */
Column_statistics *column_stats; /* Array of statistical data for columns */
Index_statistics *index_stats; /* Array of statistical data for indexes */
ulong *idx_avg_frequency; /* Array of records per key for index prefixes */
/* Array of records per key for index prefixes */
ulonglong *idx_avg_frequency;
uchar *histograms; /* Sequence of histograms */
};
@ -319,7 +321,7 @@ private:
CHAR values are stripped of trailing spaces.
Flexible values are stripped of their length prefixes.
*/
ulong avg_length;
ulonglong avg_length;
/*
The ratio N/D multiplied by the scale factor Scale_factor_avg_frequency,
@ -327,7 +329,7 @@ private:
N is the number of rows with not null value in the column,
D the number of distinct values among them
*/
ulong avg_frequency;
ulonglong avg_frequency;
public:
@ -377,12 +379,12 @@ public:
void set_avg_length (double val)
{
avg_length= (ulong) (val * Scale_factor_avg_length);
avg_length= (ulonglong) (val * Scale_factor_avg_length);
}
void set_avg_frequency (double val)
{
avg_frequency= (ulong) (val * Scale_factor_avg_frequency);
avg_frequency= (ulonglong) (val * Scale_factor_avg_frequency);
}
bool min_max_values_are_provided()
@ -421,11 +423,11 @@ private:
in the first k components, and D is the number of distinct
k-component prefixes among them
*/
ulong *avg_frequency;
ulonglong *avg_frequency;
public:
void init_avg_frequency(ulong *ptr) { avg_frequency= ptr; }
void init_avg_frequency(ulonglong *ptr) { avg_frequency= ptr; }
bool avg_frequency_is_inited() { return avg_frequency != NULL; }
@ -436,7 +438,7 @@ public:
void set_avg_frequency(uint i, double val)
{
avg_frequency[i]= (ulong) (val * Scale_factor_avg_frequency);
avg_frequency[i]= (ulonglong) (val * Scale_factor_avg_frequency);
}
};

8
storage/innobase/buf/buf0dblwr.cc
View file

@ -563,7 +563,7 @@ buf_dblwr_process()
const ulint page_no = page_get_page_no(page);
const page_id_t page_id(space_id, page_no);
if (page_no >= space->size) {
if (UNIV_UNLIKELY(page_no >= space->size)) {
/* Do not report the warning if the tablespace
is scheduled for truncation or was truncated
@ -571,10 +571,12 @@ buf_dblwr_process()
if (!srv_is_tablespace_truncated(space_id)
&& !srv_was_tablespace_truncated(space)
&& !srv_is_undo_tablespace(space_id)) {
ib::warn() << "A copy of page " << page_id
ib::warn() << "A copy of page " << page_no
<< " in the doublewrite buffer slot "
<< page_no_dblwr
<< " is not within space bounds";
<< " is beyond the end of tablespace "
<< space->name
<< " (" << space->size << " pages)";
}
continue;
}

8
storage/innobase/buf/buf0flu.cc
View file

@ -1393,9 +1393,11 @@ buf_flush_try_neighbors(
}
}
const ulint space_size = fil_space_get_size(page_id.space());
if (high > space_size) {
high = space_size;
if (fil_space_t *s = fil_space_acquire_for_io(page_id.space())) {
high = s->max_page_number_for_io(high);
s->release_for_io();
} else {
return 0;
}
DBUG_PRINT("ib_buf", ("flush %u:%u..%u",

13
storage/innobase/buf/buf0rea.cc
View file

@ -279,11 +279,7 @@ buf_read_ahead_random(
high = (page_id.page_no() / buf_read_ahead_random_area + 1)
* buf_read_ahead_random_area;
/* Remember the tablespace version before we ask the tablespace size
below: if DISCARD + IMPORT changes the actual .ibd file meanwhile, we
do not try to read outside the bounds of the tablespace! */
if (fil_space_t* space = fil_space_acquire(page_id.space())) {
#ifdef UNIV_DEBUG
if (srv_file_per_table) {
ulint size = 0;
@ -301,9 +297,7 @@ buf_read_ahead_random(
}
#endif /* UNIV_DEBUG */
if (high > space->size) {
high = space->size;
}
high = space->max_page_number_for_io(high);
space->release();
} else {
return(0);
@ -580,13 +574,10 @@ buf_read_ahead_linear(
return(0);
}
/* Remember the tablespace version before we ask te tablespace size
below: if DISCARD + IMPORT changes the actual .ibd file meanwhile, we
do not try to read outside the bounds of the tablespace! */
ulint space_size;
if (fil_space_t* space = fil_space_acquire(page_id.space())) {
space_size = space->size;
space_size = space->committed_size;
space->release();
if (high > space_size) {

39
storage/innobase/fil/fil0fil.cc
View file

@ -365,34 +365,6 @@ fil_space_get(
return(space);
}
/** Returns the latch of a file space.
@param[in] id space id
@param[out] flags tablespace flags
@return latch protecting storage allocation */
rw_lock_t*
fil_space_get_latch(
ulint id,
ulint* flags)
{
fil_space_t* space;
ut_ad(fil_system.is_initialised());
mutex_enter(&fil_system.mutex);
space = fil_space_get_by_id(id);
ut_a(space);
if (flags) {
*flags = space->flags;
}
mutex_exit(&fil_system.mutex);
return(&(space->latch));
}
/** Note that the tablespace has been imported.
Initially, purpose=FIL_TYPE_IMPORT so that no redo log is
written while the space ID is being updated in each page. */
@ -563,13 +535,17 @@ bool fil_node_t::read_page0(bool first)
}
this->size = ulint(size_bytes / psize);
space->size += this->size;
space->committed_size = space->size += this->size;
} else if (space->id != TRX_SYS_SPACE || space->size_in_header) {
/* If this is not the first-time open, do nothing.
For the system tablespace, we always get invoked as
first=false, so we detect the true first-time-open based
on size_in_header and proceed to initiailze the data. */
on size_in_header and proceed to initialize the data. */
return true;
} else {
/* Initialize the size of predefined tablespaces
to FSP_SIZE. */
space->committed_size = size;
}
ut_ad(space->free_limit == 0 || space->free_limit == free_limit);
@ -1090,6 +1066,9 @@ fil_mutex_enter_and_prepare_for_io(
ut_a(success);
/* InnoDB data files cannot shrink. */
ut_a(space->size >= size);
if (size > space->committed_size) {
space->committed_size = size;
}
/* There could be multiple concurrent I/O requests for
this tablespace (multiple threads trying to extend

34
storage/innobase/fsp/fsp0fsp.cc
View file

@ -408,7 +408,7 @@ xdes_get_descriptor_with_space_hdr(
ulint size;
ulint descr_page_no;
page_t* descr_page;
ut_ad(mtr_memo_contains(mtr, &space->latch, MTR_MEMO_X_LOCK));
ut_ad(mtr_memo_contains(mtr, space, MTR_MEMO_SPACE_X_LOCK));
ut_ad(mtr_memo_contains_page(mtr, sp_header, MTR_MEMO_PAGE_SX_FIX));
ut_ad(page_offset(sp_header) == FSP_HEADER_OFFSET);
/* Read free limit and space size */
@ -552,7 +552,7 @@ xdes_lst_get_descriptor(
fil_addr_t lst_node,
mtr_t* mtr)
{
ut_ad(mtr_memo_contains(mtr, &space->latch, MTR_MEMO_X_LOCK));
ut_ad(mtr_memo_contains(mtr, space, MTR_MEMO_SPACE_X_LOCK));
ut_ad(page_size.equals_to(page_size_t(space->flags)));
return(fut_get_ptr(space->id, page_size, lst_node, RW_SX_LATCH, mtr)
- XDES_FLST_NODE);
@ -1014,42 +1014,22 @@ fsp_fill_free_list(
MLOG_2BYTES, mtr);
}
/* Initialize the ibuf bitmap page in a separate
mini-transaction because it is low in the latching
order, and we must be able to release its latch.
Note: Insert-Buffering is disabled for tables that
reside in the temp-tablespace. */
if (space->purpose != FIL_TYPE_TEMPORARY) {
mtr_t ibuf_mtr;
mtr_start(&ibuf_mtr);
ibuf_mtr.set_named_space(space);
/* Avoid logging while truncate table
fix-up is active. */
if (srv_is_tablespace_truncated(space->id)) {
mtr_set_log_mode(
&ibuf_mtr, MTR_LOG_NO_REDO);
}
const page_id_t page_id(
space->id,
i + FSP_IBUF_BITMAP_OFFSET);
block = buf_page_create(
page_id, page_size, &ibuf_mtr);
page_id, page_size, mtr);
buf_page_get(
page_id, page_size, RW_SX_LATCH,
&ibuf_mtr);
page_id, page_size, RW_SX_LATCH, mtr);
buf_block_dbg_add_level(block, SYNC_FSP_PAGE);
fsp_init_file_page(space, block, &ibuf_mtr);
fsp_init_file_page(space, block, mtr);
ibuf_bitmap_page_init(block, &ibuf_mtr);
mtr_commit(&ibuf_mtr);
ibuf_bitmap_page_init(block, mtr);
}
}
@ -1471,7 +1451,7 @@ fsp_free_extent(
fsp_header_t* header;
xdes_t* descr;
ut_ad(mtr_memo_contains(mtr, &space->latch, MTR_MEMO_X_LOCK));
ut_ad(mtr_memo_contains(mtr, space, MTR_MEMO_SPACE_X_LOCK));
header = fsp_get_space_header(space, page_size, mtr);

20
storage/innobase/include/fil0fil.h
View file

@ -130,6 +130,8 @@ struct fil_space_t : ilist_node<unflushed_spaces_tag_t>,
/*!< recovered tablespace size in pages;
0 if no size change was read from the redo log,
or if the size change was implemented */
/** the committed size of the tablespace in pages */
ulint committed_size;
ulint flags; /*!< FSP_SPACE_FLAGS and FSP_FLAGS_MEM_ flags;
see fsp0types.h,
fsp_flags_is_valid(),
@ -184,6 +186,15 @@ struct fil_space_t : ilist_node<unflushed_spaces_tag_t>,
/** @return whether the tablespace is about to be dropped */
bool is_stopping() const { return stop_new_ops; }
/** Clamp a page number for batched I/O, such as read-ahead.
@param offset page number limit
@return offset clamped to the tablespace size */
ulint max_page_number_for_io(ulint offset) const
{
const ulint limit= committed_size;
return limit > offset ? offset : limit;
}
/** @return whether doublewrite buffering is needed */
bool use_doublewrite() const
{
@ -676,15 +687,6 @@ extern fil_system_t fil_system;
#include "fil0crypt.h"
/** Returns the latch of a file space.
@param[in] id space id
@param[out] flags tablespace flags
@return latch protecting storage allocation */
rw_lock_t*
fil_space_get_latch(
ulint id,
ulint* flags);
/** Create a space memory object and put it to the fil_system hash table.
Error messages are issued to the server log.
@param[in] name tablespace name

5
storage/innobase/include/mtr0mtr.h
View file

@ -2,7 +2,7 @@
Copyright (c) 1995, 2017, Oracle and/or its affiliates. All Rights Reserved.
Copyright (c) 2012, Facebook Inc.
Copyright (c) 2013, 2019, MariaDB Corporation.
Copyright (c) 2013, 2020, MariaDB Corporation.
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
@ -307,7 +307,8 @@ struct mtr_t {
ut_ad(space->purpose == FIL_TYPE_TEMPORARY
|| space->purpose == FIL_TYPE_IMPORT
|| space->purpose == FIL_TYPE_TABLESPACE);
x_lock(&space->latch, file, line);
memo_push(space, MTR_MEMO_SPACE_X_LOCK);
rw_lock_x_lock_inline(&space->latch, 0, file, line);
}
/** Release an object in the memo stack.

4
storage/innobase/include/mtr0mtr.ic
View file

@ -1,7 +1,7 @@
/*****************************************************************************
Copyright (c) 1995, 2014, Oracle and/or its affiliates. All Rights Reserved.
Copyright (c) 2017, 2019, MariaDB Corporation.
Copyright (c) 2017, 2020, MariaDB Corporation.
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
@ -48,7 +48,7 @@ mtr_t::memo_push(void* object, mtr_memo_type_t type)
ut_ad(is_active());
ut_ad(object != NULL);
ut_ad(type >= MTR_MEMO_PAGE_S_FIX);
ut_ad(type <= MTR_MEMO_SX_LOCK);
ut_ad(type <= MTR_MEMO_SPACE_X_LOCK);
ut_ad(ut_is_2pow(type));
/* If this mtr has x-fixed a clean page then we set

7
storage/innobase/include/mtr0types.h
View file

@ -1,7 +1,7 @@
/*****************************************************************************
Copyright (c) 1995, 2015, Oracle and/or its affiliates. All Rights Reserved.
Copyright (c) 2017, 2019, MariaDB Corporation.
Copyright (c) 2017, 2020, MariaDB Corporation.
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
@ -267,7 +267,10 @@ enum mtr_memo_type_t {
MTR_MEMO_X_LOCK = RW_X_LATCH << 5,
MTR_MEMO_SX_LOCK = RW_SX_LATCH << 5
MTR_MEMO_SX_LOCK = RW_SX_LATCH << 5,
/** acquire X-latch on fil_space_t::latch */
MTR_MEMO_SPACE_X_LOCK = MTR_MEMO_SX_LOCK << 1
};
#endif /* !UNIV_CHECKSUM */

16
storage/innobase/mtr/mtr0mtr.cc
View file

@ -1,7 +1,7 @@
/*****************************************************************************
Copyright (c) 1995, 2017, Oracle and/or its affiliates. All Rights Reserved.
Copyright (c) 2017, 2019, MariaDB Corporation.
Copyright (c) 2017, 2020, MariaDB Corporation.
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
@ -218,6 +218,13 @@ static void memo_slot_release(mtr_memo_slot_t *slot)
case MTR_MEMO_SX_LOCK:
rw_lock_sx_unlock(reinterpret_cast<rw_lock_t*>(slot->object));
break;
case MTR_MEMO_SPACE_X_LOCK:
{
fil_space_t *space= static_cast<fil_space_t*>(slot->object);
space->committed_size= space->size;
rw_lock_x_unlock(&space->latch);
}
break;
case MTR_MEMO_X_LOCK:
rw_lock_x_unlock(reinterpret_cast<rw_lock_t*>(slot->object));
break;
@ -251,6 +258,13 @@ struct ReleaseLatches {
case MTR_MEMO_S_LOCK:
rw_lock_s_unlock(reinterpret_cast<rw_lock_t*>(slot->object));
break;
case MTR_MEMO_SPACE_X_LOCK:
{
fil_space_t *space= static_cast<fil_space_t*>(slot->object);
space->committed_size= space->size;
rw_lock_x_unlock(&space->latch);
}
break;
case MTR_MEMO_X_LOCK:
rw_lock_x_unlock(reinterpret_cast<rw_lock_t*>(slot->object));
break;

9
storage/innobase/row/row0import.cc
View file

@ -526,14 +526,6 @@ protected:
/** Space id of the file being iterated over. */
ulint m_space;
/** Minimum page number for which the free list has not been
initialized: the pages >= this limit are, by definition, free;
note that in a single-table tablespace where size < 64 pages,
this number is 64, i.e., we have initialized the space about
the first extent, but have not physically allocted those pages
to the file. @see FSP_LIMIT. */
ulint m_free_limit;
/** Current size of the space in pages */
ulint m_size;
@ -591,7 +583,6 @@ AbstractCallback::init(
}
m_size = mach_read_from_4(page + FSP_SIZE);
m_free_limit = mach_read_from_4(page + FSP_FREE_LIMIT);
if (m_space == ULINT_UNDEFINED) {
m_space = mach_read_from_4(FSP_HEADER_OFFSET + FSP_SPACE_ID
+ page);

3
storage/innobase/srv/srv0start.cc
View file

@ -691,6 +691,7 @@ static bool srv_undo_tablespace_open(const char* name, ulint space_id,
if (create_new_db) {
space->size = file->size = ulint(size >> srv_page_size_shift);
space->size_in_header = SRV_UNDO_TABLESPACE_SIZE_IN_PAGES;
space->committed_size = SRV_UNDO_TABLESPACE_SIZE_IN_PAGES;
} else {
success = file->read_page0(true);
if (!success) {
@ -2022,6 +2023,8 @@ files_checked:
if (sum_of_new_sizes > 0) {
/* New data file(s) were added */
mtr.start();
mtr.x_lock_space(fil_system.sys_space,
__FILE__, __LINE__);
buf_block_t* block = buf_page_get(
page_id_t(0, 0), univ_page_size,
RW_SX_LATCH, &mtr);

4
storage/innobase/trx/trx0rseg.cc
View file

@ -1,7 +1,7 @@
/*****************************************************************************
Copyright (c) 1996, 2016, Oracle and/or its affiliates. All Rights Reserved.
Copyright (c) 2017, 2019, MariaDB Corporation.
Copyright (c) 2017, 2020, MariaDB Corporation.
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
@ -299,7 +299,7 @@ trx_rseg_header_create(
{
buf_block_t* block;
ut_ad(mtr_memo_contains(mtr, &space->latch, MTR_MEMO_X_LOCK));
ut_ad(mtr_memo_contains(mtr, space, MTR_MEMO_SPACE_X_LOCK));
ut_ad(!sys_header == (space == fil_system.temp_space));
/* Allocate a new file segment for the rollback segment */

2
storage/innobase/trx/trx0sys.cc
View file

@ -1,7 +1,7 @@
/*****************************************************************************
Copyright (c) 1996, 2017, Oracle and/or its affiliates. All Rights Reserved.
Copyright (c) 2017, 2019, MariaDB Corporation.
Copyright (c) 2017, 2020, MariaDB Corporation.
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