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MDEV-16546 post-review fixes

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* clarify the help text for --system-versioning-insert-history
* move the vers_write=false check from Item_field::fix_fields()
  next to other vers field checks in find_field_in_table()
* move row_start validation from handler::write_row() next to
  vers_update_fields()
* make secure_timestamp check to happen in one place only,
  extract it into a function is_set_timestamp_vorbidden().
* overwriting vers fields is an error, just like setting @@timestamp
* don't run vers_insert_history() for every row
This commit is contained in:
Sergei Golubchik
2022-09-06 19:28:42 +02:00
parent a2cda88631
commit 8d2ec37a40
16 changed files with 162 additions and 88 deletions
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1
mysql-test/main/mysqld--help.result
View File

@@ -1386,6 +1386,7 @@ The following specify which files/extra groups are read (specified before remain
to ALTER to ALTER
--system-versioning-insert-history --system-versioning-insert-history
Allows direct inserts into ROW_START and ROW_END columns Allows direct inserts into ROW_START and ROW_END columns
if secure_timestamp allows changing @@timestamp
--table-cache=# Deprecated; use --table-open-cache instead. --table-cache=# Deprecated; use --table-open-cache instead.
--table-definition-cache=# --table-definition-cache=#
The number of cached table definitions The number of cached table definitions

2
mysql-test/suite/sys_vars/r/sysvars_server_embedded.result
View File

@@ -3555,7 +3555,7 @@ COMMAND_LINE_ARGUMENT NULL
VARIABLE_NAME SYSTEM_VERSIONING_INSERT_HISTORY VARIABLE_NAME SYSTEM_VERSIONING_INSERT_HISTORY
VARIABLE_SCOPE SESSION VARIABLE_SCOPE SESSION
VARIABLE_TYPE BOOLEAN VARIABLE_TYPE BOOLEAN
VARIABLE_COMMENT Allows direct inserts into ROW_START and ROW_END columns VARIABLE_COMMENT Allows direct inserts into ROW_START and ROW_END columns if secure_timestamp allows changing @@timestamp
NUMERIC_MIN_VALUE NULL NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL NUMERIC_BLOCK_SIZE NULL

2
mysql-test/suite/sys_vars/r/sysvars_server_notembedded.result
View File

@@ -4275,7 +4275,7 @@ COMMAND_LINE_ARGUMENT NULL
VARIABLE_NAME SYSTEM_VERSIONING_INSERT_HISTORY VARIABLE_NAME SYSTEM_VERSIONING_INSERT_HISTORY
VARIABLE_SCOPE SESSION VARIABLE_SCOPE SESSION
VARIABLE_TYPE BOOLEAN VARIABLE_TYPE BOOLEAN
VARIABLE_COMMENT Allows direct inserts into ROW_START and ROW_END columns VARIABLE_COMMENT Allows direct inserts into ROW_START and ROW_END columns if secure_timestamp allows changing @@timestamp
NUMERIC_MIN_VALUE NULL NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL NUMERIC_BLOCK_SIZE NULL

19
mysql-test/suite/versioning/r/insert.result
View File

@@ -141,6 +141,8 @@ t1 CREATE TABLE `t1` (
insert into t1(x, row_start, row_end) values (3, '1980-01-01 00:00:00', '1980-01-01 00:00:01'); insert into t1(x, row_start, row_end) values (3, '1980-01-01 00:00:00', '1980-01-01 00:00:01');
insert into t2(y, row_start, row_end) values (4, '1980-01-01 00:00:00', '1980-01-01 00:00:01'); insert into t2(y, row_start, row_end) values (4, '1980-01-01 00:00:00', '1980-01-01 00:00:01');
insert into t3 values (5, '1980-01-01 00:00:00', '1980-01-01 00:00:01'); insert into t3 values (5, '1980-01-01 00:00:00', '1980-01-01 00:00:01');
insert into t3 values (5, '1980-01-02 00:00:00', '1980-01-01 00:00:01');
ERROR HY000: Incorrect row_start value: '1980-01-02 00:00:00.000000'
select x, row_start, row_end from t1 for system_time all; select x, row_start, row_end from t1 for system_time all;
x row_start row_end x row_start row_end
3 1980-01-01 00:00:00.000000 1980-01-01 00:00:01.000000 3 1980-01-01 00:00:00.000000 1980-01-01 00:00:01.000000
@@ -286,18 +288,19 @@ row_start = '1980-01-01 00:00:00' row_end = '1980-01-01 00:00:01'
# restart: --secure-timestamp=YES # restart: --secure-timestamp=YES
set @@system_versioning_insert_history= 1; set @@system_versioning_insert_history= 1;
insert into t1(x, row_start, row_end) values (8, '1980-01-01 00:00:00', '1980-01-01 00:00:01'); insert into t1(x, row_start, row_end) values (8, '1980-01-01 00:00:00', '1980-01-01 00:00:01');
ERROR 42S22: Unknown column 'row_start' in 'field list' ERROR HY000: The MariaDB server is running with the --secure-timestamp=YES option so it cannot execute this statement
# restart: --secure-timestamp=REPLICATION # restart: --secure-timestamp=REPLICATION
create user nobody;
grant all privileges on test.* to nobody;
set @@system_versioning_insert_history= 1; set @@system_versioning_insert_history= 1;
insert into t1(x, row_start, row_end) values (9, '1980-01-01 00:00:00', '1980-01-01 00:00:01'); insert into test.t1(x, row_start, row_end) values (9, '1980-01-01 00:00:00', '1980-01-01 00:00:01');
ERROR 42S22: Unknown column 'row_start' in 'field list' ERROR 42000: Access denied; you need (at least one of) the BINLOG REPLAY privilege(s) for this operation
# restart: --secure-timestamp=SUPER # restart: --secure-timestamp=SUPER
set @@system_versioning_insert_history= 1; set @@system_versioning_insert_history= 1;
insert into t1(x, row_start, row_end) values (10, '1980-01-01 00:00:00', '1980-01-01 00:00:01'); insert into test.t1(x, row_start, row_end) values (10, '1980-01-01 00:00:00', '1980-01-01 00:00:01');
create user nobody; set @@system_versioning_insert_history= 1;
use test; insert into test.t1(x, row_start, row_end) values (7, '1980-01-01 00:00:00', '1980-01-01 00:00:01');
insert into t1(x, row_start, row_end) values (7, '1980-01-01 00:00:00', '1980-01-01 00:00:01'); ERROR 42000: Access denied; you need (at least one of) the SUPER, BINLOG REPLAY privilege(s) for this operation
ERROR 42S22: Unknown column 'row_start' in 'field list'
use test; use test;
# restart: --secure-timestamp=NO # restart: --secure-timestamp=NO
drop tables t1, t2, t3; drop tables t1, t2, t3;

21
mysql-test/suite/versioning/r/partition.result
View File

@@ -3257,6 +3257,7 @@ delete from t partition (px);
ERROR HY000: Unknown partition 'px' in table 't' ERROR HY000: Unknown partition 'px' in table 't'
unlock tables; unlock tables;
drop table t; drop table t;
set timestamp= default;
# #
# MDEV-28978 Assertion failure in THD::binlog_query or unexpected # MDEV-28978 Assertion failure in THD::binlog_query or unexpected
# ER_ERROR_ON_WRITE with auto-partitioning # ER_ERROR_ON_WRITE with auto-partitioning
@@ -3266,4 +3267,24 @@ insert into t () values (),(),(),(),(),();
update t set a = 1; update t set a = 1;
update t set a = 2 limit 0; update t set a = 2 limit 0;
drop table t; drop table t;
#
# MDEV-16546 System versioning setting to allow history modification
#
create table t1 (a varchar(100)) with system versioning
partition by system_time interval 1 day
starts '2021-09-30 00:00:00' partitions 3;
set system_versioning_insert_history=1;
insert into t1 (a,row_start,row_end) values
('p0', '2021-09-30', '2021-09-30 10:00:00'),
('p1', '2021-09-30', '2021-10-01 10:00:00'),
('overflows, so also p1','2021-09-30', '2021-10-10 10:00:00'),
('pn, current', '2021-09-30', '2038-01-19 03:14:07.999999');
select table_name,partition_name,partition_ordinal_position,partition_method,partition_description,table_rows
from information_schema.partitions where table_schema='test';
table_name partition_name partition_ordinal_position partition_method partition_description table_rows
t1 p0 1 SYSTEM_TIME 2021-10-01 00:00:00 1
t1 p1 2 SYSTEM_TIME 2021-10-02 00:00:00 2
t1 pn 3 SYSTEM_TIME CURRENT 1
drop table t1;
set system_versioning_insert_history=0;
set global innodb_stats_persistent= @save_persistent; set global innodb_stats_persistent= @save_persistent;

19
mysql-test/suite/versioning/r/rpl.result
View File

@@ -434,6 +434,25 @@ x check_row_ts(row_start, row_end)
select row_start = '1980-01-01 00:00:00', row_end = '1980-01-01 00:00:01' from t3 for system_time all where x = 3; select row_start = '1980-01-01 00:00:00', row_end = '1980-01-01 00:00:01' from t3 for system_time all where x = 3;
row_start = '1980-01-01 00:00:00' row_end = '1980-01-01 00:00:01' row_start = '1980-01-01 00:00:00' row_end = '1980-01-01 00:00:01'
1 1 1 1
# why a slave cannot have system_versioning_insert_history always on
connection master;
set @@system_versioning_insert_history= 0;
set sql_mode='';
create or replace table t1 (a int,
rs timestamp(6) as row start, re timestamp(6) as row end,
period for system_time (rs,re)) with system versioning;
insert t1 values (1, '2000-01-01 02:03:04', '2001-01-01 02:03.04');
Warnings:
Warning 1906 The value specified for generated column 'rs' in table 't1' has been ignored
Warning 1906 The value specified for generated column 're' in table 't1' has been ignored
select a,check_row_ts(rs,re) from t1 for system_time all;
a check_row_ts(rs,re)
1 CURRENT ROW
connection slave;
select a,check_row_ts(rs,re) from t1 for system_time all;
a check_row_ts(rs,re)
1 CURRENT ROW
set sql_mode=default;
connection master; connection master;
drop tables t1, t2, t3; drop tables t1, t2, t3;
include/rpl_end.inc include/rpl_end.inc

21
mysql-test/suite/versioning/t/insert.test
View File

@@ -108,6 +108,8 @@ show create table t1;
insert into t1(x, row_start, row_end) values (3, '1980-01-01 00:00:00', '1980-01-01 00:00:01'); insert into t1(x, row_start, row_end) values (3, '1980-01-01 00:00:00', '1980-01-01 00:00:01');
insert into t2(y, row_start, row_end) values (4, '1980-01-01 00:00:00', '1980-01-01 00:00:01'); insert into t2(y, row_start, row_end) values (4, '1980-01-01 00:00:00', '1980-01-01 00:00:01');
insert into t3 values (5, '1980-01-01 00:00:00', '1980-01-01 00:00:01'); insert into t3 values (5, '1980-01-01 00:00:00', '1980-01-01 00:00:01');
--error ER_WRONG_VALUE
insert into t3 values (5, '1980-01-02 00:00:00', '1980-01-01 00:00:01');
select x, row_start, row_end from t1 for system_time all; select x, row_start, row_end from t1 for system_time all;
select y, row_start, row_end from t2 for system_time all; select y, row_start, row_end from t2 for system_time all;
@@ -215,22 +217,25 @@ select row_start = '1980-01-01 00:00:00', row_end = '1980-01-01 00:00:01' from t
--let $restart_parameters= --secure-timestamp=YES --let $restart_parameters= --secure-timestamp=YES
--source include/restart_mysqld.inc --source include/restart_mysqld.inc
set @@system_versioning_insert_history= 1; set @@system_versioning_insert_history= 1;
--error ER_BAD_FIELD_ERROR --error ER_OPTION_PREVENTS_STATEMENT
insert into t1(x, row_start, row_end) values (8, '1980-01-01 00:00:00', '1980-01-01 00:00:01'); insert into t1(x, row_start, row_end) values (8, '1980-01-01 00:00:00', '1980-01-01 00:00:01');
--let $restart_parameters= --secure-timestamp=REPLICATION --let $restart_parameters= --secure-timestamp=REPLICATION
--source include/restart_mysqld.inc --source include/restart_mysqld.inc
create user nobody;
grant all privileges on test.* to nobody;
change_user nobody;
set @@system_versioning_insert_history= 1; set @@system_versioning_insert_history= 1;
--error ER_BAD_FIELD_ERROR --error ER_SPECIFIC_ACCESS_DENIED_ERROR
insert into t1(x, row_start, row_end) values (9, '1980-01-01 00:00:00', '1980-01-01 00:00:01'); insert into test.t1(x, row_start, row_end) values (9, '1980-01-01 00:00:00', '1980-01-01 00:00:01');
change_user root;
--let $restart_parameters= --secure-timestamp=SUPER --let $restart_parameters= --secure-timestamp=SUPER
--source include/restart_mysqld.inc --source include/restart_mysqld.inc
set @@system_versioning_insert_history= 1; set @@system_versioning_insert_history= 1;
insert into t1(x, row_start, row_end) values (10, '1980-01-01 00:00:00', '1980-01-01 00:00:01'); insert into test.t1(x, row_start, row_end) values (10, '1980-01-01 00:00:00', '1980-01-01 00:00:01');
create user nobody;
change_user nobody; change_user nobody;
use test; set @@system_versioning_insert_history= 1;
--error ER_BAD_FIELD_ERROR --error ER_SPECIFIC_ACCESS_DENIED_ERROR
insert into t1(x, row_start, row_end) values (7, '1980-01-01 00:00:00', '1980-01-01 00:00:01'); insert into test.t1(x, row_start, row_end) values (7, '1980-01-01 00:00:00', '1980-01-01 00:00:01');
change_user root; change_user root;
use test; use test;
--let $restart_parameters= --secure-timestamp=NO --let $restart_parameters= --secure-timestamp=NO

19
mysql-test/suite/versioning/t/partition.test
View File

@@ -2494,8 +2494,8 @@ lock tables t write;
--error ER_UNKNOWN_PARTITION --error ER_UNKNOWN_PARTITION
delete from t partition (px); delete from t partition (px);
unlock tables; unlock tables;
# cleanup
drop table t; drop table t;
set timestamp= default;
--echo # --echo #
--echo # MDEV-28978 Assertion failure in THD::binlog_query or unexpected --echo # MDEV-28978 Assertion failure in THD::binlog_query or unexpected
@@ -2508,6 +2508,23 @@ update t set a = 2 limit 0;
# cleanup # cleanup
drop table t; drop table t;
--echo #
--echo # MDEV-16546 System versioning setting to allow history modification
--echo #
create table t1 (a varchar(100)) with system versioning
partition by system_time interval 1 day
starts '2021-09-30 00:00:00' partitions 3;
set system_versioning_insert_history=1;
insert into t1 (a,row_start,row_end) values
('p0', '2021-09-30', '2021-09-30 10:00:00'),
('p1', '2021-09-30', '2021-10-01 10:00:00'),
('overflows, so also p1','2021-09-30', '2021-10-10 10:00:00'),
('pn, current', '2021-09-30', '2038-01-19 03:14:07.999999');
select table_name,partition_name,partition_ordinal_position,partition_method,partition_description,table_rows
from information_schema.partitions where table_schema='test';
drop table t1;
set system_versioning_insert_history=0;
--disable_prepare_warnings --disable_prepare_warnings
set global innodb_stats_persistent= @save_persistent; set global innodb_stats_persistent= @save_persistent;
--source suite/versioning/common_finish.inc --source suite/versioning/common_finish.inc

13
mysql-test/suite/versioning/t/rpl.test
View File

@@ -336,6 +336,19 @@ select x, check_row_ts(row_start, row_end) from t3 for system_time all order by
select row_start = '1980-01-01 00:00:00', row_end = '1980-01-01 00:00:01' from t3 for system_time all where x = 3; select row_start = '1980-01-01 00:00:00', row_end = '1980-01-01 00:00:01' from t3 for system_time all where x = 3;
--remove_file $DATAFILE --remove_file $DATAFILE
--echo # why a slave cannot have system_versioning_insert_history always on
connection master;
set @@system_versioning_insert_history= 0;
set sql_mode='';
create or replace table t1 (a int,
rs timestamp(6) as row start, re timestamp(6) as row end,
period for system_time (rs,re)) with system versioning;
insert t1 values (1, '2000-01-01 02:03:04', '2001-01-01 02:03.04');
select a,check_row_ts(rs,re) from t1 for system_time all;
sync_slave_with_master;
select a,check_row_ts(rs,re) from t1 for system_time all;
set sql_mode=default;
connection master; connection master;
drop tables t1, t2, t3; drop tables t1, t2, t3;

24
sql/handler.cc
View File

@@ -7573,30 +7573,6 @@ int handler::ha_write_row(const uchar *buf)
DBUG_RETURN(error); DBUG_RETURN(error);
} }
if (table->versioned() && !table->vers_write)
{
Field *row_start= table->vers_start_field();
Field *row_end= table->vers_end_field();
MYSQL_TIME ltime;
bitmap_set_bit(table->read_set, row_start->field_index);
bitmap_set_bit(table->read_set, row_end->field_index);
/*
Inserting the history row directly, check ROW_START <= ROW_END and
ROW_START is non-zero.
*/
if ((row_start->cmp(row_start->ptr, row_end->ptr) >= 0) ||
row_start->get_date(&ltime, Datetime::Options(
TIME_NO_ZERO_DATE, time_round_mode_t(time_round_mode_t::FRAC_NONE))))
{
String val;
row_start->val_str(&val);
my_error(ER_WRONG_VALUE, MYF(0), row_start->field_name.str, val.ptr());
DBUG_RETURN(HA_ERR_GENERIC);
}
}
MYSQL_INSERT_ROW_START(table_share->db.str, table_share->table_name.str); MYSQL_INSERT_ROW_START(table_share->db.str, table_share->table_name.str);
mark_trx_read_write(); mark_trx_read_write();
increment_statistics(&SSV::ha_write_count); increment_statistics(&SSV::ha_write_count);

7
sql/item.cc
View File

@@ -6127,13 +6127,6 @@ bool Item_field::fix_fields(THD *thd, Item **reference)
else if (!from_field) else if (!from_field)
goto error; goto error;
if (thd->column_usage == MARK_COLUMNS_WRITE &&
from_field != view_ref_found &&
thd->vers_insert_history(from_field))
{
DBUG_ASSERT(from_field->table->versioned());
from_field->table->vers_write= false;
}
table_list= (cached_table ? cached_table : table_list= (cached_table ? cached_table :
from_field != view_ref_found ? from_field != view_ref_found ?
from_field->table->pos_in_table_list : 0); from_field->table->pos_in_table_list : 0);

1
sql/mysqld.h
View File

@@ -309,6 +309,7 @@ extern uint default_password_lifetime;
extern my_bool disconnect_on_expired_password; extern my_bool disconnect_on_expired_password;
enum secure_timestamp { SECTIME_NO, SECTIME_SUPER, SECTIME_REPL, SECTIME_YES }; enum secure_timestamp { SECTIME_NO, SECTIME_SUPER, SECTIME_REPL, SECTIME_YES };
bool is_set_timestamp_forbidden(THD *thd);
#ifdef HAVE_MMAP #ifdef HAVE_MMAP
extern PSI_mutex_key key_PAGE_lock, key_LOCK_sync, key_LOCK_active, extern PSI_mutex_key key_PAGE_lock, key_LOCK_sync, key_LOCK_active,

66
sql/sql_base.cc
View File

@@ -6309,12 +6309,18 @@ find_field_in_table(THD *thd, TABLE *table, const char *name, size_t length,
!DBUG_IF("test_completely_invisible")) !DBUG_IF("test_completely_invisible"))
DBUG_RETURN((Field*)0); DBUG_RETURN((Field*)0);
if (field->invisible == INVISIBLE_SYSTEM && if (thd->column_usage != MARK_COLUMNS_READ &&
thd->column_usage != MARK_COLUMNS_READ && thd->column_usage != COLUMNS_READ)
thd->column_usage != COLUMNS_READ && {
!thd->vers_insert_history(field)) if (thd->vers_insert_history(field))
{
DBUG_ASSERT(table->versioned());
table->vers_write= false;
}
else if (field->invisible == INVISIBLE_SYSTEM)
DBUG_RETURN((Field*)0); DBUG_RETURN((Field*)0);
} }
}
else else
{ {
if (!allow_rowid || if (!allow_rowid ||
@@ -8832,6 +8838,37 @@ err_no_arena:
} }
static bool vers_update_or_validate_fields(TABLE *table)
{
if (!table->versioned())
return 0;
if (table->vers_write)
{
table->vers_update_fields();
return 0;
}
Field *row_start= table->vers_start_field();
Field *row_end= table->vers_end_field();
MYSQL_TIME ltime;
/*
Inserting the history row directly, check ROW_START < ROW_END and
ROW_START is non-zero.
*/
if ((row_start->cmp(row_start->ptr, row_end->ptr) < 0) &&
!row_start->get_date(&ltime, Datetime::Options(
TIME_NO_ZERO_DATE, time_round_mode_t(time_round_mode_t::FRAC_NONE))))
return 0;
StringBuffer<MAX_DATETIME_FULL_WIDTH+1> val;
row_start->val_str(&val);
my_error(ER_WRONG_VALUE, MYF(0), row_start->field_name.str, val.c_ptr());
return 1;
}
/****************************************************************************** /******************************************************************************
** Fill a record with data (for INSERT or UPDATE) ** Fill a record with data (for INSERT or UPDATE)
** Returns : 1 if some field has wrong type ** Returns : 1 if some field has wrong type
@@ -8897,7 +8934,7 @@ fill_record(THD *thd, TABLE *table_arg, List<Item> &fields, List<Item> &values,
rfield->field_index == table->next_number_field->field_index) rfield->field_index == table->next_number_field->field_index)
table->auto_increment_field_not_null= TRUE; table->auto_increment_field_not_null= TRUE;
const bool skip_sys_field= rfield->vers_sys_field() && const bool skip_sys_field= rfield->vers_sys_field() &&
(update || !thd->vers_insert_history(rfield)); (update || table->vers_write);
if ((rfield->vcol_info || skip_sys_field) && if ((rfield->vcol_info || skip_sys_field) &&
!value->vcol_assignment_allowed_value() && !value->vcol_assignment_allowed_value() &&
table->s->table_category != TABLE_CATEGORY_TEMPORARY) table->s->table_category != TABLE_CATEGORY_TEMPORARY)
@@ -8953,8 +8990,9 @@ fill_record(THD *thd, TABLE *table_arg, List<Item> &fields, List<Item> &values,
table_arg->update_default_fields(ignore_errors)) table_arg->update_default_fields(ignore_errors))
goto err; goto err;
if (table_arg->versioned() && !only_unvers_fields) if (!only_unvers_fields && vers_update_or_validate_fields(table_arg))
table_arg->vers_update_fields(); goto err;
/* Update virtual fields */ /* Update virtual fields */
if (table_arg->vfield && if (table_arg->vfield &&
table_arg->update_virtual_fields(table_arg->file, VCOL_UPDATE_FOR_WRITE)) table_arg->update_virtual_fields(table_arg->file, VCOL_UPDATE_FOR_WRITE))
@@ -9178,14 +9216,12 @@ fill_record(THD *thd, TABLE *table, Field **ptr, List<Item> &values,
/* Ensure the end of the list of values is not reached */ /* Ensure the end of the list of values is not reached */
DBUG_ASSERT(value); DBUG_ASSERT(value);
bool vers_sys_field= table->versioned() && field->vers_sys_field(); const bool skip_sys_field= field->vers_sys_field() &&
table->vers_write;
if (field->field_index == autoinc_index) if (field->field_index == autoinc_index)
table->auto_increment_field_not_null= TRUE; table->auto_increment_field_not_null= TRUE;
if ((unlikely(field->vcol_info) || if ((unlikely(field->vcol_info) || (skip_sys_field && !ignore_errors)) &&
(vers_sys_field &&
!ignore_errors &&
!thd->vers_insert_history(field))) &&
!value->vcol_assignment_allowed_value() && !value->vcol_assignment_allowed_value() &&
table->s->table_category != TABLE_CATEGORY_TEMPORARY) table->s->table_category != TABLE_CATEGORY_TEMPORARY)
{ {
@@ -9193,7 +9229,7 @@ fill_record(THD *thd, TABLE *table, Field **ptr, List<Item> &values,
ER_WARNING_NON_DEFAULT_VALUE_FOR_GENERATED_COLUMN, ER_WARNING_NON_DEFAULT_VALUE_FOR_GENERATED_COLUMN,
ER_THD(thd, ER_WARNING_NON_DEFAULT_VALUE_FOR_GENERATED_COLUMN), ER_THD(thd, ER_WARNING_NON_DEFAULT_VALUE_FOR_GENERATED_COLUMN),
field->field_name.str, table->s->table_name.str); field->field_name.str, table->s->table_name.str);
if (vers_sys_field) if (skip_sys_field)
continue; continue;
} }
@@ -9210,8 +9246,8 @@ fill_record(THD *thd, TABLE *table, Field **ptr, List<Item> &values,
thd->abort_on_warning= FALSE; thd->abort_on_warning= FALSE;
if (table->default_field && table->update_default_fields(ignore_errors)) if (table->default_field && table->update_default_fields(ignore_errors))
goto err; goto err;
if (table->versioned()) if (vers_update_or_validate_fields(table))
table->vers_update_fields(); goto err;
if (table->vfield && if (table->vfield &&
table->update_virtual_fields(table->file, VCOL_UPDATE_FOR_WRITE)) table->update_virtual_fields(table->file, VCOL_UPDATE_FOR_WRITE))
goto err; goto err;

19
sql/sql_class.h
View File

@@ -5575,7 +5575,7 @@ public:
lex= backup_lex; lex= backup_lex;
} }
bool vers_insert_history(const Field *field) const bool vers_insert_history(const Field *field)
{ {
if (!field->vers_sys_field()) if (!field->vers_sys_field())
return false; return false;
@@ -5590,22 +5590,7 @@ public:
lex->sql_command != SQLCOM_REPLACE_SELECT && lex->sql_command != SQLCOM_REPLACE_SELECT &&
lex->sql_command != SQLCOM_LOAD) lex->sql_command != SQLCOM_LOAD)
return false; return false;
switch (opt_secure_timestamp) return !is_set_timestamp_forbidden(this);
{
case SECTIME_NO:
return true;
case SECTIME_SUPER:
if (security_ctx->master_access & SUPER_ACL)
return true;
return false;
case SECTIME_REPL:
if (slave_thread)
return true;
return false;
case SECTIME_YES:
return false;
}
return false;
} }
}; };

11
sql/sys_vars.cc
View File

@@ -4780,7 +4780,8 @@ static Sys_var_harows Sys_select_limit(
VALID_RANGE(0, HA_POS_ERROR), DEFAULT(HA_POS_ERROR), BLOCK_SIZE(1)); VALID_RANGE(0, HA_POS_ERROR), DEFAULT(HA_POS_ERROR), BLOCK_SIZE(1));
static const char *secure_timestamp_levels[]= {"NO", "SUPER", "REPLICATION", "YES", 0}; static const char *secure_timestamp_levels[]= {"NO", "SUPER", "REPLICATION", "YES", 0};
bool Sys_var_timestamp::on_check_access_session(THD *thd) const
bool is_set_timestamp_forbidden(THD *thd)
{ {
switch (opt_secure_timestamp) { switch (opt_secure_timestamp) {
case SECTIME_NO: case SECTIME_NO:
@@ -4798,6 +4799,11 @@ bool Sys_var_timestamp::on_check_access_session(THD *thd) const
my_error(ER_OPTION_PREVENTS_STATEMENT, MYF(0), buf); my_error(ER_OPTION_PREVENTS_STATEMENT, MYF(0), buf);
return true; return true;
} }
bool Sys_var_timestamp::on_check_access_session(THD *thd) const
{
return is_set_timestamp_forbidden(thd);
}
static Sys_var_timestamp Sys_timestamp( static Sys_var_timestamp Sys_timestamp(
"timestamp", "Set the time for this client", "timestamp", "Set the time for this client",
sys_var::ONLY_SESSION, NO_CMD_LINE, sys_var::ONLY_SESSION, NO_CMD_LINE,
@@ -6957,7 +6963,8 @@ static Sys_var_ulonglong Sys_max_rowid_filter_size(
static Sys_var_bit Sys_system_versioning_insert_history( static Sys_var_bit Sys_system_versioning_insert_history(
"system_versioning_insert_history", "system_versioning_insert_history",
"Allows direct inserts into ROW_START and ROW_END columns", "Allows direct inserts into ROW_START and ROW_END columns if "
"secure_timestamp allows changing @@timestamp",
SESSION_VAR(option_bits), CMD_LINE(OPT_ARG), SESSION_VAR(option_bits), CMD_LINE(OPT_ARG),
OPTION_INSERT_HISTORY, DEFAULT(FALSE), OPTION_INSERT_HISTORY, DEFAULT(FALSE),
NO_MUTEX_GUARD, IN_BINLOG); NO_MUTEX_GUARD, IN_BINLOG);

3
sql/table.cc
View File

@@ -9155,9 +9155,6 @@ bool TABLE::check_period_overlaps(const KEY &key,
void TABLE::vers_update_fields() void TABLE::vers_update_fields()
{ {
if (!vers_write)
return;
if (versioned(VERS_TIMESTAMP)) if (versioned(VERS_TIMESTAMP))
{ {
if (vers_start_field()->store_timestamp(in_use->query_start(), if (vers_start_field()->store_timestamp(in_use->query_start(),