into bodhi.(none):/opt/local/work/mysql-5.0-runtime
client/mysqldump.c:
Auto merged
mysql-test/r/mysqldump.result:
Auto merged
sql/sql_base.cc:
Auto merged
sql/table.cc:
Auto merged
mysql-test/r/innodb_mysql.result:
Manual merge.
mysql-test/t/innodb_mysql.test:
Manual merge.
sql/sql_table.cc:
Manual merge.
between perm and temp tables. Review fixes.
The original bug report complains that if we locked a temporary table
with LOCK TABLES statement, we would not leave LOCK TABLES mode
when this temporary table is dropped.
Additionally, the bug was escalated when it was discovered than
when a temporary transactional table that was previously
locked with LOCK TABLES statement was dropped, futher actions with
this table, such as UNLOCK TABLES, would lead to a crash.
The problem originates from incomplete support of transactional temporary
tables. When we added calls to handler::store_lock()/handler::external_lock()
to operations that work with such tables, we only covered the normal
server code flow and did not cover LOCK TABLES mode.
In LOCK TABLES mode, ::external_lock(LOCK) would sometimes be called without
matching ::external_lock(UNLOCK), e.g. when a transactional temporary table
was dropped. Additionally, this table would be left in the list of LOCKed
TABLES.
The patch aims to address this inadequacy. Now, whenever an instance
of 'handler' is destroyed, we assert that it was priorly
external_lock(UNLOCK)-ed. All the places that violate this assert
were fixed.
This patch introduces no changes in behavior -- the discrepancy in
behavior will be fixed when we start calling ::store_lock()/::external_lock()
for all tables, regardless whether they are transactional or not,
temporary or not.
mysql-test/r/innodb_mysql.result:
Update test results (Bug#24918)
mysql-test/t/innodb_mysql.test:
Add a test case for Bug#24918
sql/handler.h:
Make handler::external_lock() a protected method. Backport from 5.1 its
public wrapper handler::ha_external_lock().
Assert that the handler is not closed if it is still locked.
sql/lock.cc:
In mysql_lock_tables only call lock_external() for the list of tables that
we called store_lock() for.
E.g. get_lock_data() does not add non-transactional temporary tables to the
lock list, so lock_external() should not be called for them.
Use handler::ha_external_lock() instead of handler::external_lock().
Add comments for mysql_lock_remove(), parameterize one strange
side effect that it has. At least in one place where mysql_lock_remove
is used, this side effect is not desired (DROP TABLE). The parameter
will be dropped in 5.1, along with the side effect.
sql/mysql_priv.h:
Update declaration of mysql_lock_remove().
sql/opt_range.cc:
Deploy handler::ha_external_lock() instead of handler::external_lock()
sql/sql_base.cc:
When closing a temporary table, remove the table from the list of LOCKed
TABLES of this thread, in case it's there.
It's there if it is a transactional temporary table.
Use a new declaration of mysql_lock_remove().
sql/sql_class.h:
Extend the comment for THD::temporary_tables.
sql/sql_table.cc:
Deploy handler::ha_external_lock() instead of handler::external_lock()
into gleb.loc:/home/uchum/work/bk/5.0-opt
mysql-test/t/create.test:
Auto merged
sql/field.cc:
Auto merged
sql/sql_base.cc:
Auto merged
sql/table.cc:
Auto merged
mysql-test/r/create.result:
Merge with 5.0 (main).
into magare.gmz:/home/kgeorge/mysql/autopush/B29644-5.0-opt
sql/ha_innodb.cc:
Auto merged
sql/sql_base.cc:
Auto merged
mysql-test/r/innodb_mysql.result:
5.0-opt merge
mysql-test/t/innodb_mysql.test:
5.0-opt merge
by long running transaction
On Windows opened files can't be deleted. There was a special
upgraded lock mode (TL_WRITE instead of TL_WRITE_ALLOW_READ)
in ALTER TABLE to make sure nobody has the table opened
when deleting the old table in ALTER TABLE. This special mode
was causing ALTER TABLE to hang waiting on a lock inside InnoDB.
This special lock is no longer necessary as the server is
closing the tables it needs to delete in ALTER TABLE.
Fixed by removing the special lock.
Note that this also reverses the fix for bug 17264 that deals with
another consequence of this special lock mode being used.
mysql-test/r/innodb_mysql.result:
Bug #29644: test case
mysql-test/t/innodb_mysql.test:
Bug #29644: test case
sql/ha_innodb.cc:
Bug #29644: reverse the (now excessive) fix
for bug 17264 (but leave the test case).
sql/sql_base.cc:
Bug #29644: don't need a special lock mode for Win32 anymore:
the table is closed before the drop.
The need arose when working on Bug 26141, where it became
necessary to replace TABLE_LIST with its forward declaration in a few
headers, and this involved a lot of s/TABLE_LIST/st_table_list/.
Although other workarounds exist, this patch is in line
with our general strategy of moving away from typedef-ed names.
Sometime in future we might also rename TABLE_LIST to follow the
coding style, but this is a huge change.
sql/item.cc:
st_table_list -> TABLE_LIST
sql/item.h:
st_table_list -> TABLE_LIST
sql/mysql_priv.h:
st_table_list -> TABLE_LIST
sql/sql_base.cc:
st_table_list -> TABLE_LIST
sql/sql_lex.cc:
st_table_list -> TABLE_LIST
sql/sql_lex.h:
st_table_list -> TABLE_LIST
sql/sql_select.cc:
st_table_list -> TABLE_LIST
sql/sql_show.cc:
st_table_list -> TABLE_LIST
sql/sql_udf.h:
Was not needed.
sql/table.cc:
st_table_list -> TABLE_LIST
sql/table.h:
st_table_list -> TABLE_LIST
into macbook.gmz:/Users/kgeorge/mysql/work/B26162-5.0-opt
mysql-test/r/trigger.result:
Auto merged
mysql-test/t/trigger.test:
Auto merged
sql/sql_base.cc:
Auto merged
sql/sql_yacc.yy:
Auto merged
The value of "low-priority-updates" option and the LOW PRIORITY
prefix was taken into account at parse time.
This caused triggers (among others) to ignore this flag (if
supplied for the DML statement).
Moved reading of the LOW_PRIORITY flag at run time.
Fixed an incosistency when handling
SET GLOBAL LOW_PRIORITY_UPDATES : now it is in effect for
delayed INSERTs.
Tested by checking the effect of LOW_PRIORITY flag via a
trigger.
include/thr_lock.h:
Bug #26162: moved reading of the LOW PRIORITY flag at run time
mysql-test/r/trigger.result:
Bug #26162: test case
mysql-test/t/trigger.test:
Bug #26162: test case
sql/set_var.cc:
Bug #26162: fixed the handling of the "low-priority-updates" option
sql/sql_base.cc:
Bug #26162: moved reading of the LOW PRIORITY flag at run time
sql/sql_yacc.yy:
Bug #26162: moved reading of the LOW PRIORITY flag at run time
into bk-internal.mysql.com:/data0/bk/mysql-5.0-opt
mysql-test/r/sp.result:
Auto merged
mysql-test/t/sp.test:
Auto merged
mysql-test/t/strict.test:
Auto merged
mysql-test/t/subselect3.test:
Auto merged
sql/mysqld.cc:
Auto merged
sql/sp_head.cc:
Auto merged
sql/sql_base.cc:
Auto merged
sql/sql_class.h:
Auto merged
sql/sql_table.cc:
Auto merged
sql/sql_update.cc:
Auto merged
sql/sql_view.cc:
Manual merge
into bk-internal.mysql.com:/data0/bk/mysql-5.0-opt
client/mysqldump.c:
Auto merged
mysql-test/r/mysqldump.result:
Auto merged
mysql-test/r/ps_2myisam.result:
Auto merged
mysql-test/r/ps_3innodb.result:
Auto merged
mysql-test/r/ps_4heap.result:
Auto merged
mysql-test/r/ps_5merge.result:
Auto merged
mysql-test/r/ps_6bdb.result:
Auto merged
mysql-test/r/ps_7ndb.result:
Auto merged
sql/field.h:
Auto merged
sql/item_func.cc:
Auto merged
sql/my_decimal.h:
Auto merged
sql/sql_base.cc:
Auto merged
If a stored function or a trigger was killed it had aborted but no error
was thrown. This allows the caller statement to continue without a notice.
This may lead to a wrong data being inserted/updated to/deleted as in such
cases the correct result of a stored function isn't guaranteed. In the case
of triggers it allows the caller statement to ignore kill signal and to
waste time because of re-evaluation of triggers that always will fail
because thd->killed flag is still on.
Now the Item_func_sp::execute() and the sp_head::execute_trigger() functions
check whether a function or a trigger were killed during execution and
throws an appropriate error if so.
Now the fill_record() function stops filling record if an error was reported
through thd->net.report_error.
sql/item_func.cc:
Bug#27563: Stored functions and triggers wasn't throwing an error when killed.
Now the Item_func_sp::execute() function checks whether a trigger was killed
during execution and throws an appropriate error if so.
sql/sp_head.cc:
Bug#27563: Stored functions and triggers wasn't throwing an error when killed.
Now the sp_head::execute_trigger() function checks whether a function was
killed during execution and throws an appropriate error if so.
sql/sql_base.cc:
Bug#27563: Stored functions and triggers wasn't throwing an error when killed.
Now the fill_record() function stops filling record if an error was reported
through thd->net.report_error.
mysql-test/r/kill.result:
Added a test case for the bug#27563: Stored functions and triggers wasn't
throwing an error when killed.
mysql-test/t/kill.test:
Added a test case for the bug#27563: Stored functions and triggers wasn't
throwing an error when killed.
When processing the USE/FORCE index hints
the optimizer was not checking if the indexes
specified are enabled (see ALTER TABLE).
Fixed by:
Backporting the fix for bug 20604 to 5.0
mysql-test/r/key.result:
Test for BUG 20604.
The important part of the test is the explain output that
tests what indexes are used.
mysql-test/r/myisam.result:
Bug #28476: test cases
mysql-test/t/key.test:
Bug 20604:
The minimal test case that reveals the bug. The optimizer for
aggregates relies on keys disabled with ALTER TABLE ... DISABLE KEYS
not being in the set TABLE::keys_in_use_for_query.
When the execution engine tries to use a disabled index, MyISAM
returns an error.
mysql-test/t/myisam.test:
Bug #28476: test cases
sql/sql_base.cc:
Bug #28476:
- Ignore disabled indexes in USE/FORCE index
sql/sql_select.cc:
Bug 20604 : The intersection operation between table->s->keys_in_use
and table->keys_in_use_for_query is no longer necessary.
We can trust that the latter is a subset of the former.
sql/table.h:
Bug 20604:
Added comments to TABLE_SHARE::keys_in_use and
TABLE::keys_in_use_for_query.
Adjust the check that defines the error message to be returned.
mysql-test/r/sp-error.result:
Update results (more accurate error code)
mysql-test/r/sp-prelocking.result:
Update results (more accurate error code)
mysql-test/r/trigger.result:
Update results (more accurate error code)
mysql-test/t/sp-error.test:
ER_NOT_LOCKED -> ER_NO_SUCH_TABLE
mysql-test/t/sp-prelocking.test:
Add a test case for Bug#27907
mysql-test/t/trigger.test:
ER_NOT_LOCKED -> ER_NO_SUCH_TABLE
sql/sql_base.cc:
Adjust the check for where-we-are for a better error message.
into siva.hindu.god:/home/tsmith/m/bk/maint/50
mysql-test/r/type_datetime.result:
Auto merged
mysql-test/t/outfile.test:
Auto merged
mysql-test/t/type_datetime.test:
Auto merged
sql/field.cc:
Auto merged
sql/item.cc:
Auto merged
sql/item.h:
Auto merged
sql/item_cmpfunc.cc:
Auto merged
sql/item_func.cc:
Auto merged
sql/item_func.h:
Auto merged
sql/my_decimal.h:
Auto merged
sql/mysql_priv.h:
Auto merged
sql/sp.cc:
Auto merged
sql/sql_base.cc:
Auto merged
sql/sql_class.h:
Auto merged
Made year 2000 handling more uniform
Removed year 2000 handling out from calc_days()
The above removes some bugs in date/datetimes with year between 0 and 200
Now we get a note when we insert a datetime value into a date column
For default values to CREATE, don't give errors for warning level NOTE
Fixed some compiler failures
Added library ws2_32 for windows compilation (needed if we want to compile with IOCP support)
Removed duplicate typedef TIME and replaced it with MYSQL_TIME
Better (more complete) fix for: Bug#21103 "DATE column not compared as DATE"
Fixed properly Bug#18997 "DATE_ADD and DATE_SUB perform year2K autoconversion magic on 4-digit year value"
Fixed Bug#23093 "Implicit conversion of 9912101 to date does not match cast(9912101 as date)"
include/my_time.h:
Removed not used define YY_MAGIC_BELOW
Added prototype for year_2000_handling()
mysql-test/r/date_formats.result:
Updated results (fixed bug in date_format() with year < 99
mysql-test/r/func_sapdb.result:
Added more testing of make_date()
mysql-test/r/ps_2myisam.result:
Now we get a note when we insert a datetime value into a date column
mysql-test/r/ps_3innodb.result:
Now we get a note when we insert a datetime value into a date column
mysql-test/r/ps_4heap.result:
Now we get a note when we insert a datetime value into a date column
mysql-test/r/ps_5merge.result:
Now we get a note when we insert a datetime value into a date column
mysql-test/r/ps_7ndb.result:
Now we get a note when we insert a datetime value into a date column
mysql-test/r/strict.result:
zero-year in str_to_date() throws warning in strict
mysql-test/r/type_date.result:
Added test for date conversions
mysql-test/r/type_datetime.result:
Added testcase for datetime to date conversion.
mysql-test/t/date_formats.test:
Added testing of dates < 200
mysql-test/t/func_sapdb.test:
More testing of makedate()
mysql-test/t/type_date.test:
Added test for date conversions
mysql-test/t/type_datetime.test:
Added testcase for datetime to date conversion
sql/field.cc:
Give note if we insert a datetime value in a date field
Don't give notes if we are doing internal test conversions (like from convert_constant_item())
More documentation (store functions can now return '3' to inform that the function did return a NOTE (not warning or error))
Revert some changes in Field_newdate::store() to get more optimal code
Field::set_warning() will now ignore notes if CHECK_FIELD_IGNORE is set.
New parameters to make_truncated_value_warning()
sql/field.h:
Give note if we insert a datetime value in a date field
Don't give notes if we are doing internal test conversions (like from convert_constant_item())
More documentation (store functions can now return '3' to inform that the function did return a NOTE (not warning or error))
Revert some changes in Field_newdate::store() to get more optimal code
Field::set_warning() will now ignore notes if CHECK_FIELD_IGNORE is set.
New parameters to make_truncated_value_warning()
sql/item.cc:
Give note if we insert a datetime value in a date field
Don't give notes if we are doing internal test conversions (like from convert_constant_item())
More documentation (store functions can now return '3' to inform that the function did return a NOTE (not warning or error))
Revert some changes in Field_newdate::store() to get more optimal code
Field::set_warning() will now ignore notes if CHECK_FIELD_IGNORE is set.
New parameters to make_truncated_value_warning()
sql/item.h:
TIME -> MYSQL_TIME
sql/item_cmpfunc.cc:
Don't print notes in convert_constant_item()
sql/item_func.h:
TIME -> MYSQL_TIME
sql/item_timefunc.cc:
New parameters to make_truncated_value_warning()
Moved year 2000 handling out from calc_days()
sql/item_timefunc.h:
TIME -> MYSQL_TIME
sql/my_decimal.cc:
TIME -> MYSQL_TIME
sql/my_decimal.h:
TIME -> MYSQL_TIME
sql/mysql_priv.h:
Added error level to make_truncated_value_warning()
sql/protocol.cc:
TIME -> MYSQL_TIME
sql/protocol.h:
TIME -> MYSQL_TIME
sql/sp.cc:
TIME -> MYSQL_TIME
sql/sql_base.cc:
Make testing of result value of save_in_field() uniform
sql/sql_class.h:
TIME -> MYSQL_TIME
sql/sql_show.cc:
TIME -> MYSQL_TIME
sql/structs.h:
TIME -> MYSQL_TIME
sql/time.cc:
Added error level to make_truncated_value_warning()
sql/tztime.cc:
TIME -> MYSQL_TIME
sql/tztime.h:
TIME -> MYSQL_TIME
sql/unireg.cc:
For default values to CREATE, don't give errors for warning level NOTE
(Fixed failed CREATE when we give a datetime value to a date field)
sql-common/my_time.c:
Added year_2000_handling()
Removed year 2000 handling from calc_daynr()
into vajra.(none):/opt/local/work/mysql-5.0-21483
sql/sp_head.cc:
Auto merged
sql/sql_base.cc:
Auto merged
sql/sql_insert.cc:
Auto merged
sql/sql_lex.h:
Auto merged
Bug#21483 "Server abort or deadlock on INSERT DELAYED with another
implicit insert"
Also fixes and adds test cases for bugs:
20497 "Trigger with INSERT DELAYED causes Error 1165"
21714 "Wrong NEW.value and server abort on INSERT DELAYED to a
table with a trigger".
Post-review fixes.
Problem:
In MySQL INSERT DELAYED is a way to pipe all inserts into a
given table through a dedicated thread. This is necessary for
simplistic storage engines like MyISAM, which do not have internal
concurrency control or threading and thus can not
achieve efficient INSERT throughput without support from SQL layer.
DELAYED INSERT works as follows:
For every distinct table, which can accept DELAYED inserts and has
pending data to insert, a dedicated thread is created to write data
to disk. All user connection threads that attempt to
delayed-insert into this table interact with the dedicated thread in
producer/consumer fashion: all records to-be inserted are pushed
into a queue of the dedicated thread, which fetches the records and
writes them.
In this design, client connection threads never open or lock
the delayed insert table.
This functionality was introduced in version 3.23 and does not take
into account existence of triggers, views, or pre-locking.
E.g. if INSERT DELAYED is called from a stored function, which,
in turn, is called from another stored function that uses the delayed
table, a deadlock can occur, because delayed locking by-passes
pre-locking. Besides:
* the delayed thread works directly with the subject table through
the storage engine API and does not invoke triggers
* even if it was patched to invoke triggers, if triggers,
in turn, used other tables, the delayed thread would
have to open and lock involved tables (use pre-locking).
* even if it was patched to use pre-locking, without deadlock
detection the delayed thread could easily lock out user
connection threads in case when the same table is used both
in a trigger and on the right side of the insert query:
the delayed thread would not release locks until all inserts
are complete, and user connection can not complete inserts
without having locks on the tables used on the right side of the
query.
Solution:
These considerations suggest two general alternatives for the
future of INSERT DELAYED:
* it is considered a full-fledged alternative to normal INSERT
* it is regarded as an optimisation that is only relevant
for simplistic engines.
Since we missed our chance to provide complete support of new
features when 5.0 was in development, the first alternative
currently renders infeasible.
However, even the second alternative, which is to detect
new features and convert DELAYED insert into a normal insert,
is not easy to implement.
The catch-22 is that we don't know if the subject table has triggers
or is a view before we open it, and we only open it in the
delayed thread. We don't know if the query involves pre-locking
until we have opened all tables, and we always first create
the delayed thread, and only then open the remaining tables.
This patch detects the problematic scenarios and converts
DELAYED INSERT to a normal INSERT using the following approach:
* if the statement is executed under pre-locking (e.g. from
within a stored function or trigger) or the right
side may require pre-locking, we detect the situation
before creating a delayed insert thread and convert the statement
to a conventional INSERT.
* if the subject table is a view or has triggers, we shutdown
the delayed thread and convert the statement to a conventional
INSERT.
mysql-test/r/insert.result:
Update test results.
mysql-test/t/insert.test:
Add a test case for Bug#21483, Bug#20497, Bug#21714 (INSERT DELAYED
and stored routines, triggers).
sql/sp_head.cc:
Upgrade lock type to TL_WRITE when computing the pre-locking set.
sql/sql_base.cc:
Use a new method.
sql/sql_insert.cc:
INSERT DELAYED and pre-locking:
- if under pre-locking, upgrade the lock type to TL_WRITE
and proceed as a normal write
- if DELAYED table has triggers, also request a lock upgrade.
- make sure errors in the delayed thread are propagated
correctly
sql/sql_lex.h:
Add a method to check if a parsed tree refers to stored
routines.
Bug #20662 "Infinite loop in CREATE TABLE IF NOT EXISTS ... SELECT
with locked tables"
Bug #20903 "Crash when using CREATE TABLE .. SELECT and triggers"
Bug #24738 "CREATE TABLE ... SELECT is not isolated properly"
Bug #24508 "Inconsistent results of CREATE TABLE ... SELECT when
temporary table exists"
Deadlock occured when one tried to execute CREATE TABLE IF NOT
EXISTS ... SELECT statement under LOCK TABLES which held
read lock on target table.
Attempt to execute the same statement for already existing
target table with triggers caused server crashes.
Also concurrent execution of CREATE TABLE ... SELECT statement
and other statements involving target table suffered from
various races (some of which might've led to deadlocks).
Finally, attempt to execute CREATE TABLE ... SELECT in case
when a temporary table with same name was already present
led to the insertion of data into this temporary table and
creation of empty non-temporary table.
All above problems stemmed from the old implementation of CREATE
TABLE ... SELECT in which we created, opened and locked target
table without any special protection in a separate step and not
with the rest of tables used by this statement.
This underminded deadlock-avoidance approach used in server
and created window for races. It also excluded target table
from prelocking causing problems with trigger execution.
The patch solves these problems by implementing new approach to
handling of CREATE TABLE ... SELECT for base tables.
We try to open and lock table to be created at the same time as
the rest of tables used by this statement. If such table does not
exist at this moment we create and place in the table cache special
placeholder for it which prevents its creation or any other usage
by other threads.
We still use old approach for creation of temporary tables.
Also note that we decided to postpone introduction of some tests
for concurrent behaviour of CREATE TABLE ... SELECT till 5.1.
The main reason for this is absence in 5.0 ability to set @@debug
variable at runtime, which can be circumvented only by using several
test files with individual .opt files. Since the latter is likely
to slowdown test-suite unnecessary we chose not to push this tests
into 5.0, but run them manually for this version and later push
their optimized version into 5.1
mysql-test/r/create.result:
Extended test coverage for CREATE TABLE ... SELECT. In particular added
tests for bug #24508 "Inconsistent results of CREATE TABLE ... SELECT
when temporary table exists" and bug #20662 "Infinite loop in CREATE
TABLE IF NOT EXISTS ... SELECT with locked tables".
mysql-test/r/trigger.result:
Added test case for bug #20903 "Crash when using CREATE TABLE .. SELECT
and triggers"
mysql-test/t/create.test:
Extended test coverage for CREATE TABLE ... SELECT. In particular added
tests for bug #24508 "Inconsistent results of CREATE TABLE ... SELECT
when temporary table exists" and bug #20662 "Infinite loop in CREATE
TABLE IF NOT EXISTS ... SELECT with locked tables".
mysql-test/t/trigger.test:
Added test case for bug #20903 "Crash when using CREATE TABLE .. SELECT
and triggers"
sql/lock.cc:
Now for creation of name-lock placeholder in lock_table_name() we use
auxiliary function table_cache_insert_placeholder().
sql/mysql_priv.h:
Made build_table_path() function available outside of sql_table.cc file.
reopen_name_locked_table() now has 3rd argument which controls linking
in of table being opened into THD::open_tables (this is useful in
cases when placeholder used for name-locking is already linked into
this list).
Added declaration of auxiliary function table_cache_insert_placeholder()
which is used for creation of table placeholders for name-locking.
Added declaration of table_cache_has_open_placeholder() function which
can be used for checking if table cache contains an open placeholder for
the table and if this placeholder was created by another thread.
(This function is needed only in 5.0 where we use it in various versions
of CREATE TABLE in order to protect it from concurrent CREATE TABLE
... SELECT operations for the table. Starting from 5.1 we use different
approach so it is going to be removed there).
Made close_old_data_files() static within sql_base.cc file.
Added auxiliary drop_open_table() routine.
Moved declaration of refresh_version to table.h header to make it
accessible from inline methods of TABLE class.
MYSQL_OPEN_IGNORE_LOCKED_TABLES flag is no longer used. Instead
MYSQL_OPEN_TEMPORARY_ONLY option was added.
sql/sql_base.cc:
Added support for the new approach to the handling of CREATE TABLE
... SELECT for base tables.
Now we try to open and lock table to be created at the same time as
the rest of tables used by this statement. If such table does not
exist at this moment we create and place in the table cache special
placeholder for it which prevents its creation or any other usage
by other threads.
Note significant distinctions of this placeholder from the placeholder
used for normal name-lock: 1) It is treated like open table by other
name-locks so it does not allow name-lock taking operations like DROP
TABLE or RENAME TABLE to proceed. 2) it is linked into THD::open_tables
list and automatically removed during close_thread_tables() call.
open_tables():
Implemented logic described above. To do this added
auxiliary check_if_table_exists() function.
Removed support for MYSQL_OPEN_IGNORE_LOCKED_TABLES option
which is no longer used.
Added MYSQL_OPEN_TEMPORARY_ONLY which is used to restrict
search for temporary tables only.
close_cached_tables()/close_thread_table()/reopen_tables()/
close_old_data_files()/table_is_used()/remove_table_from_cache():
Added support for open placeholders (note that we also use them
when we need to re-open tables during flush).
Added auxiliary drop_open_table() routine.
reopen_name_locked_table():
Now has 3rd argument which controls linking in of table being
opened into THD::open_tables (this is useful in cases when
placeholder used for name-locking is already linked into
this list).
Added auxiliary table_cache_insert_placeholder() routine which
simplifies creation of placeholders used for name-locking.
Added table_cache_has_open_placeholder() function which can be
used for checking if table cache contains an open placeholder for
the table and if this placeholder was created by another thread.
(This function is needed only in 5.0 where we use it in various versions
of CREATE TABLE in order to protect it from concurrent CREATE TABLE
... SELECT operations for the table. Starting from 5.1 we use different
approach so it is going to be removed there).
sql/sql_handler.cc:
Adjusted mysql_ha_mark_tables_for_reopen() routine to properly
handle placeholders which now can be linked into open tables
list.
sql/sql_insert.cc:
Introduced new approach to handling of base tables in CREATE TABLE
... SELECT statement.
Now we try to open and lock table to be created at the same time as
the rest of tables used by this statement. If such table does not
exist at this moment we create and place in the table cache special
placeholder for it which prevents its creation or any other usage
by other threads. By doing this we avoid races which existed with
previous approach in which we created, opened and locked target in
separate step without any special protection.
This also allows properly calculate prelocking set in cases when
target table already exists and has some on insert triggers.
Note that we don't employ the same approach for temporary tables
(this is okay as such tables are unaffected by other threads).
Changed create_table_from_items() and select_create methods to
implement this approach.
sql/sql_parse.cc:
The new approach to handling of CREATE TABLE ... SELECT for
base tables assumes that all tables (including table to be
created) are opened and (or) locked at the same time.
So in cases when we create base table we have to pass to
open_and_lock_tables() table list which includes target table.
sql/sql_prepare.cc:
The new approach to handling of CREATE TABLE ... SELECT for
base tables assumes that all tables (including table to be
created) are opened and (or) locked at the same time.
So in cases when we create base table we have to pass to
open_and_lock_tables() table list which includes target table.
sql/sql_table.cc:
Now mysql_create_table_internal(), mysql_create_like_table() and
mysql_alter_table() not only check that destination table doesn't
exist on disk but also check that there is no create placeholder
in table cache for it (i.e. there is no CREATE TABLE ... SELECT
operation in progress for it). Note that starting from 5.1 we
use different approach in order to to protect CREATE TABLE ... SELECT
from concurrent CREATE TABLE (ALTER TABLE ... RENAME) operations,
the latter simply take name-locks on table before its creation
(on target table name before renaming).
Also made build_table_path() available from other files and
asjusted calls to reopen_name_locked_table(), which now takes
extra argument, which controls linking of open table into
THD::open_tables list.
sql/sql_trigger.cc:
reopen_name_locked_tables() now has one more argument which controls
linking of opened table into the THD::open_tables list.
sql/sql_yacc.yy:
The new approach to handling of CREATE TABLE ... SELECT statement
for base tables assumes that all tables including table to be
created are open and (or) locked at the same time. Therefore
we need to set correct lock for target table.
sql/table.h:
Moved declaration of refresh_version variable from mysql_priv.h
to make it accessible from inline methods of TABLE class.
Renamed TABLE::locked_by_flush member to open_placeholder since
now it is also used for taking exclusive name-lock and not only
by flush.
Introduced TABLE::is_name_opened() helper method which can be used
to distinguish TABLE instances corresponding to open tables or
placeholders for them from closed instances (e.g. due to their old
version). Also introduced TABLE::needs_reopen_or_name_lock() helper
which allows to check if TABLE instance corresponds to outdated
version of table or to name-lock placeholder.
Introduced TABLE_LIST::create member which marks elements of
table list corresponds to the table to be created.
Adjusted TABLE_LIST::placeholder() method to take into account
name-lock placeholders for tables to be created (this, for example,
allows to properly handle such placeholders in lock_tables()).
When fields are inserted instead of * in the select list they were not marked
for check for the ONLY_FULL_GROUP_BY mode.
The Field_iterator_table::create_item() function now marks newly created
items for check when in the ONLY_FULL_GROUP_BY mode.
The setup_wild() and the insert_fields() functions now maintain the
cur_pos_in_select_list counter for the ONLY_FULL_GROUP_BY mode.
sql/sql_base.cc:
Bug#27874: Non-grouped columns are allowed by * in ONLY_FULL_GROUP_BY mode.
The setup_wild() and the insert_fields() functions now maintain the
cur_pos_in_select_list counter for the ONLY_FULL_GROUP_BY mode.
sql/table.cc:
Bug#27874: Non-grouped columns are allowed by * in ONLY_FULL_GROUP_BY mode.
The Field_iterator_table::create_item() function now marks newly created
items for check when in the ONLY_FULL_GROUP_BY mode.
mysql-test/r/group_by.result:
Added a test case for the bug#27874: Non-grouped columns are allowed by * in ONLY_FULL_GROUP_BY mode.
mysql-test/t/group_by.test:
Added a test case for the bug#27874: Non-grouped columns are allowed by * in ONLY_FULL_GROUP_BY mode.
into bk-internal.mysql.com:/data0/bk/mysql-5.0-marvel
client/mysql.cc:
Auto merged
heap/hp_write.c:
Auto merged
sql/ha_ndbcluster.cc:
Auto merged
sql/handler.cc:
Auto merged
sql/item.cc:
Auto merged
sql/mysqld.cc:
Auto merged
sql/opt_range.cc:
Auto merged
sql/sql_base.cc:
Auto merged
sql/sql_class.cc:
Auto merged
sql/sql_class.h:
Auto merged
sql/sql_delete.cc:
Auto merged
sql/sql_insert.cc:
Auto merged
sql/sql_load.cc:
Auto merged
sql/sql_select.cc:
Auto merged
sql/sql_table.cc:
Auto merged
NO_AUTO_VALUE_ON_ZERO mode.
In the NO_AUTO_VALUE_ON_ZERO mode the table->auto_increment_field_not_null
variable is used to indicate that a non-NULL value was specified by the user
for an auto_increment column. When an INSERT .. ON DUPLICATE updates the
auto_increment field this variable is set to true and stays unchanged for the
next insert operation. This makes the next inserted row sometimes wrongly have
0 as the value of the auto_increment field.
Now the fill_record() function resets the table->auto_increment_field_not_null
variable before filling the record.
The table->auto_increment_field_not_null variable is also reset by the
open_table() function for a case if we missed some auto_increment_field_not_null
handling bug.
Now the table->auto_increment_field_not_null is reset at the end of the
mysql_load() function.
Reset the table->auto_increment_field_not_null variable after each
write_row() call in the copy_data_between_tables() function.
sql/field_conv.cc:
Bug#23233: 0 as LAST_INSERT_ID() after INSERT .. ON DUPLICATE in the
NO_AUTO_VALUE_ON_ZERO mode.
A comment is corrected.
sql/handler.cc:
Bug#23233: 0 as LAST_INSERT_ID() after INSERT .. ON DUPLICATE in the
NO_AUTO_VALUE_ON_ZERO mode.
Now the handler::update_auto_increment() function doesn't reset the
table->auto_increment_field_not_null variable as it is done in the
fill_record() function.
sql/sql_base.cc:
Bug#23233: 0 as LAST_INSERT_ID() after INSERT .. ON DUPLICATE in the
NO_AUTO_VALUE_ON_ZERO mode.
Now the fill_record() function resets the table->auto_increment_field_not_null
variable before filling the record.
The table->auto_increment_field_not_null variable is also reset by the
open_table() function for a case if we missed some auto_increment_field_not_null
handling bug.
sql/sql_insert.cc:
Bug#23233: 0 as LAST_INSERT_ID() after INSERT .. ON DUPLICATE in the
NO_AUTO_VALUE_ON_ZERO mode.
Now the the table->auto_increment_field_not_null is reset at the end of the
mysql_insert() an in the select_insert class destructor.
sql/sql_load.cc:
Bug#23233: 0 as LAST_INSERT_ID() after INSERT .. ON DUPLICATE in the
NO_AUTO_VALUE_ON_ZERO mode.
Now the table->auto_increment_field_not_null is reset at the end of the
mysql_load() function.
sql/sql_table.cc:
Bug#23233: 0 as LAST_INSERT_ID() after INSERT .. ON DUPLICATE in the
NO_AUTO_VALUE_ON_ZERO mode.
Reset the table->auto_increment_field_not_null variable after each
write_row() call in the copy_data_between_tables() function.
sql/table.h:
Bug#23233: 0 as LAST_INSERT_ID() after INSERT .. ON DUPLICATE in the
NO_AUTO_VALUE_ON_ZERO mode.
A comment added.
mysql-test/r/insert_update.result:
Added the test case for the bug#23233: 0 as LAST_INSERT_ID() after
INSERT .. ON DUPLICATE in the NO_AUTO_VALUE_ON_ZERO mode.
mysql-test/t/insert_update.test:
Added the test case for the bug#23233: 0 as LAST_INSERT_ID() after
INSERT .. ON DUPLICATE in the NO_AUTO_VALUE_ON_ZERO mode.
into mysql.com:/nfsdisk1/lars/MERGE/mysql-5.0-merge
sql/mysqld.cc:
Auto merged
sql/sql_base.cc:
Auto merged
sql/sql_class.cc:
Auto merged
sql/sql_select.cc:
Auto merged
into sergbook.mysql.com:/usr/home/serg/Abk/mysql-5.0
mysql-test/r/sp.result:
Auto merged
mysql-test/t/sp.test:
Auto merged
sql/ha_ndbcluster.cc:
Auto merged
sql/handler.cc:
Auto merged
sql/mysql_priv.h:
Auto merged
sql/sp_head.cc:
Auto merged
sql/sql_base.cc:
Auto merged
sql/sql_class.h:
Auto merged
sql/sql_insert.cc:
Auto merged
sql/sql_table.cc:
Auto merged
sql/sql_view.cc:
Auto merged
give some leeway on required permissions for SHOW FIELDS on views so
an unknonwn DEFINER will no longer break mysqldump
client/client_priv.h:
Bug #26817: mysqldump fails to backup database containing view with invalid definer
New option for mysqldump: redirect stderr to file ("2> for Windows")
client/mysqldump.c:
Bug #26817: mysqldump fails to backup database containing view with invalid definer
New option for mysqldump: redirect stderr to file ("2> for Windows")
mysql-test/r/information_schema_db.result:
Bug #26817: mysqldump fails to backup database containing view with invalid definer
New option for mysqldump: redirect stderr to file ("2> for Windows")
mysql-test/t/information_schema_db.test:
Bug #26817: mysqldump fails to backup database containing view with invalid definer
New option for mysqldump: redirect stderr to file ("2> for Windows")
sql/sql_base.cc:
Bug #26817: mysqldump fails to backup database containing view with invalid definer
be a little more lenient for SHOW FIELDS FROM
sql/sql_parse.cc:
Bug #26817: mysqldump fails to backup database containing view with invalid definer
be a little more lenient for SHOW FIELDS FROM on views on views
sql/sql_view.cc:
Bug #26817: mysqldump fails to backup database containing view with invalid definer
give SHOW FIELDS the same perks as SHOW CREATE
sql/table.cc:
Bug #26817: mysqldump fails to backup database containing view with invalid definer
give SHOW FIELDS the same perks as SHOW CREATE
into olga.mysql.com:/home/igor/dev-opt/mysql-5.0-opt-bug27229
sql/item.cc:
Auto merged
sql/item_sum.cc:
Auto merged
sql/sql_base.cc:
Auto merged
sql/sql_select.cc:
Auto merged
context was used as an argument of GROUP_CONCAT.
Ensured correct setting of the depended_from field in references
generated for set functions aggregated in outer selects.
A wrong value of this field resulted in wrong maps returned by
used_tables() for these references.
Made sure that a temporary table field is added for any set function
aggregated in outer context when creation of a temporary table is
needed to execute the inner subquery.
mysql-test/r/subselect.result:
Added a test case for bug #27229.
mysql-test/t/subselect.test:
Added a test case for bug #27229.
sql/item.cc:
Fixed bug #27229: crash when a set function aggregated in outer
context was used as an argument of GROUP_CONCAT.
Ensured correct setting of the depended_from field in references
generated for set functions aggregated in outer selects.
sql/item_sum.cc:
Fixed bug #27229: crash when a set function aggregated in outer
context was used as an argument of GROUP_CONCAT.
Added the field aggr_sel to the objects of the class Item_sum.
In any Item_sum object created for a set function this field
has to contain a pointer to the select where the set function
is aggregated.
sql/item_sum.h:
Fixed bug #27229: crash when a set function aggregated in outer
context was used as an argument of GROUP_CONCAT.
Added the field aggr_sel to the objects of the class Item_sum.
In any Item_sum object created for a set function this field
has to contain a pointer to the select where the set function
is aggregated.
Added a method that says whether a set function is aggregated
in outer context and, if so, returns the aggregating select.
Removed the field nest_level_tables_count introduced by the
patch for bug 24484 as aggr_sel->join->tables contains the
sane number.
sql/sql_base.cc:
Fixed bug #27229: crash when a set function aggregated in outer
context was used as an argument of GROUP_CONCAT.
Added the field aggr_sel to the objects of the class Item_sum.
Removed changes introduced by the patch for bug 24484 as
the field leaf_count of the THD class is not used anymore.
sql/sql_class.h:
Fixed bug #27229: crash when a set function aggregated in outer
context was used as an argument of GROUP_CONCAT.
Added the field aggr_sel to the objects of the class Item_sum.
Removed changes introduce by the patch for bug 24484 as
the field leaf_count of the THD class is not used anymore.
sql/sql_insert.cc:
Fixed bug #27229: crash when a set function aggregated in outer
context was used as an argument of GROUP_CONCAT.
Added the field aggr_sel to the objects of the class Item_sum.
Removed changes introduce by the patch for bug 24484 as
the field leaf_count of the THD class is not used anymore.
sql/sql_select.cc:
Fixed bug #27229: crash when a set function aggregated in outer
context was used as an argument of GROUP_CONCAT.
When creating a temporary table a field is added in it for any
set function aggregated in outer context.
what it actually means (Monty approved the renaming)
- correcting description of transaction_alloc command-line options
(our manual is correct)
- fix for a failure of rpl_trigger.
mysql-test/t/rpl_misc_functions.test:
test was cleaning up only on slave, but it's also needed on master,
otherwise it influences rpl_trigger.test
sql/lock.cc:
clearer name
sql/mysqld.cc:
I checked the code that those two variables are not about binlogging
but about the size of the transaction's memroot which is used
to create savepoint structures and to store list of tables to be invalidated
(for NDB). The manual has a correct description, no need to fix it.
sql/sql_base.cc:
clearer name
sql/sql_derived.cc:
clearer name
sql/sql_select.cc:
clearer name
sql/table.h:
clearer name: TMP_TABLE is used for non-transactional tables.
into mysql.com:/home/hf/work/mrg/mysql-5.0-opt
sql/item.h:
Auto merged
sql/sql_base.cc:
Auto merged
sql/sql_select.cc:
Auto merged
sql/sql_yacc.yy:
Auto merged
into magare.gmz:/home/kgeorge/mysql/autopush/B24484-5.0
mysql-test/r/subselect3.result:
Auto merged
sql/item.h:
Auto merged
sql/item_sum.cc:
Auto merged
sql/opt_range.cc:
Auto merged
sql/sql_base.cc:
Auto merged
sql/sql_class.h:
Auto merged
sql/sql_insert.cc:
Auto merged
sql/sql_select.cc:
Auto merged
To correctly decide which predicates can be evaluated with a given table
the optimizer must know the exact set of tables that a predicate depends
on. If that mask is too wide (refer to non-existing tables) the optimizer
can erroneously skip a predicate.
One such case of wrong table usage mask were the aggregate functions.
The have a all-1 mask (meaning depend on all tables, including non-existent
ones).
Fixed by making a real used_tables mask for the aggregates. The mask is
constructed in the following way :
1. OR the table dependency masks of all the arguments of the aggregate.
2. If all the arguments of the function are from the local name resolution
context and it is evaluated in the same name resolution
context where it is referenced all the tables from that name resolution
context are OR-ed to the dependency mask. This is to denote that an
aggregate function depends on the number of rows it processes.
3. Handle correctly the case of an aggregate function optimization (such that
the aggregate function can be pre-calculated and made a constant).
Made sure that an aggregate function is never a constant (unless subject of a
specific optimization and pre-calculation).
One other flaw was revealed and fixed in the process : references were
not calling the recalculation method for used_tables of their targets.
mysql-test/r/subselect3.result:
Bug #24484: test case
mysql-test/t/subselect3.test:
Bug #24484: test case
sql/item.h:
Bug #24484: Item_ref must update the used tables.
sql/item_sum.cc:
Bug #24484: correct calculation of used_tables for aggregates.
sql/item_sum.h:
Bug #24484: correct calculation of used_tables for aggregates.
sql/opt_range.cc:
Bug #24484: fixed ref resolution in loose index scan
sql/sql_base.cc:
Bug #24484: moved counting of leaf tables inside
setup_tables_and_check_access.
sql/sql_class.h:
Bug #24484: changed table count to more narrow type.
sql/sql_insert.cc:
Bug #24484: moved counting of leaf tables inside
setup_tables_and_check_access. Substract the first
table (and its subtables) of an INSERT statement
from leaf_count.
sql/sql_select.cc:
Bug #24484: correct check for aggregates
into bodhi.local:/opt/local/work/mysql-5.0-runtime
sql/field.cc:
Auto merged
sql/item.cc:
Auto merged
sql/item.h:
Auto merged
sql/item_func.cc:
Auto merged
sql/sp_head.cc:
Auto merged
sql/sql_base.cc:
Auto merged
sql/sql_select.cc:
Auto merged
sql/sql_show.cc:
Auto merged
sql/sql_table.cc:
Auto merged
sql/sql_yacc.yy:
Auto merged
mysql-test/r/sp.result:
SCCS merged
mysql-test/t/sp.test:
SCCS merged
include/my_global.h:
Introduce constants to be used instead of magic numbers.
sql/field.cc:
Polishing: use contants instead of magic numbers.
sql/ha_innodb.cc:
Polishing: use contants instead of magic numbers.
sql/handler.cc:
Polishing: use contants instead of magic numbers.
sql/item.cc:
Polishing: use contants instead of magic numbers.
sql/item.h:
Polishing: use contants instead of magic numbers.
sql/item_func.cc:
Polishing: use contants instead of magic numbers.
sql/item_subselect.cc:
Polishing: use contants instead of magic numbers.
sql/log_event.cc:
Polishing: use contants instead of magic numbers.
sql/sql_base.cc:
Polishing: use contants instead of magic numbers.
sql/sql_select.cc:
Polishing: use contants instead of magic numbers.
sql/sql_show.cc:
Polishing: use contants instead of magic numbers.
sql/sql_table.cc:
Polishing: use contants instead of magic numbers.
into mysql.com:/home/hf/work/mrg/mysql-5.0-opt
mysql-test/r/order_by.result:
Auto merged
mysql-test/r/subselect.result:
Auto merged
mysql-test/t/order_by.test:
Auto merged
mysql-test/t/sp.test:
Auto merged
sql/item.cc:
Auto merged
sql/item_cmpfunc.cc:
Auto merged
sql/item_cmpfunc.h:
Auto merged
sql/item_func.cc:
Auto merged
sql/mysql_priv.h:
Auto merged
sql/sql_base.cc:
Auto merged
sql/sql_insert.cc:
Auto merged
sql/sql_lex.cc:
Auto merged
sql/sql_lex.h:
Auto merged
sql/sql_load.cc:
Auto merged
sql/sql_parse.cc:
Auto merged
sql/sql_select.cc:
Auto merged
sql/sql_update.cc:
Auto merged
mysql-test/r/func_str.result:
merging
mysql-test/r/sp.result:
merging
mysql-test/r/view.result:
merging
mysql-test/t/func_str.test:
merging
mysql-test/t/view.test:
merging
into weblab.(none):/home/marcsql/TREE/mysql-5.0-8407_b
mysql-test/r/view.result:
Auto merged
sql/mysqld.cc:
Auto merged
sql/sp_head.cc:
Auto merged
sql/sp_head.h:
Auto merged
sql/sql_class.cc:
Auto merged
sql/sql_class.h:
Auto merged
sql/sql_update.cc:
Auto merged
sql/table.cc:
Auto merged
sql/table.h:
Auto merged
sql/sql_base.cc:
Manual merge
Bug 18914 (Calling certain SPs from triggers fail)
Bug 20713 (Functions will not not continue for SQLSTATE VALUE '42S02')
Bug 21825 (Incorrect message error deleting records in a table with a
trigger for inserting)
Bug 22580 (DROP TABLE in nested stored procedure causes strange dependency
error)
Bug 25345 (Cursors from Functions)
This fix resolves a long standing issue originally reported with bug 8407,
which affect the behavior of Stored Procedures, Stored Functions and Trigger
in many different ways, causing symptoms reported by all the bugs listed.
In all cases, the root cause of the problem traces back to 8407 and how the
server locks tables involved with sub statements.
Prior to this fix, the implementation of stored routines would:
- compute the transitive closure of all the tables referenced by a top level
statement
- open and lock all the tables involved
- execute the top level statement
"transitive closure of tables" means collecting:
- all the tables,
- all the stored functions,
- all the views,
- all the table triggers
- all the stored procedures
involved, and recursively inspect these objects definition to find more
references to more objects, until the list of every object referenced does
not grow any more.
This mechanism is known as "pre-locking" tables before execution.
The motivation for locking all the tables (possibly) used at once is to
prevent dead locks.
One problem with this approach is that, if the execution path the code
really takes during runtime does not use a given table, and if the table is
missing, the server would not execute the statement.
This in particular has a major impact on triggers, since a missing table
referenced by an update/delete trigger would prevent an insert trigger to run.
Another problem is that stored routines might define SQL exception handlers
to deal with missing tables, but the server implementation would never give
user code a chance to execute this logic, since the routine is never
executed when a missing table cause the pre-locking code to fail.
With this fix, the internal implementation of the pre-locking code has been
relaxed of some constraints, so that failure to open a table does not
necessarily prevent execution of a stored routine.
In particular, the pre-locking mechanism is now behaving as follows:
1) the first step, to compute the transitive closure of all the tables
possibly referenced by a statement, is unchanged.
2) the next step, which is to open all the tables involved, only attempts
to open the tables added by the pre-locking code, but silently fails without
reporting any error or invoking any exception handler is the table is not
present. This is achieved by trapping internal errors with
Prelock_error_handler
3) the locking step only locks tables that were successfully opened.
4) when executing sub statements, the list of tables used by each statements
is evaluated as before. The tables needed by the sub statement are expected
to be already opened and locked. Statement referencing tables that were not
opened in step 2) will fail to find the table in the open list, and only at
this point will execution of the user code fail.
5) when a runtime exception is raised at 4), the instruction continuation
destination (the next instruction to execute in case of SQL continue
handlers) is evaluated.
This is achieved with sp_instr::exec_open_and_lock_tables()
6) if a user exception handler is present in the stored routine, that
handler is invoked as usual, so that ER_NO_SUCH_TABLE exceptions can be
trapped by stored routines. If no handler exists, then the runtime execution
will fail as expected.
With all these changes, a side effect is that view security is impacted, in
two different ways.
First, a view defined as "select stored_function()", where the stored
function references a table that may not exist, is considered valid.
The rationale is that, because the stored function might trap exceptions
during execution and still return a valid result, there is no way to decide
when the view is created if a missing table really cause the view to be invalid.
Secondly, testing for existence of tables is now done later during
execution. View security, which consist of trapping errors and return a
generic ER_VIEW_INVALID (to prevent disclosing information) was only
implemented at very specific phases covering *opening* tables, but not
covering the runtime execution. Because of this existing limitation,
errors that were previously trapped and converted into ER_VIEW_INVALID are
not trapped, causing table names to be reported to the user.
This change is exposing an existing problem, which is independent and will
be resolved separately.
mysql-test/r/information_schema_db.result:
Revised the pre-locking code implementation, aligned the tests.
mysql-test/r/sp-error.result:
Revised the pre-locking code implementation, aligned the tests.
mysql-test/r/sp.result:
Revised the pre-locking code implementation, aligned the tests.
mysql-test/r/trigger.result:
Revised the pre-locking code implementation, aligned the tests.
mysql-test/r/view.result:
Revised the pre-locking code implementation, aligned the tests.
mysql-test/t/sp-error.test:
Revised the pre-locking code implementation, aligned the tests.
mysql-test/t/sp.test:
Revised the pre-locking code implementation, aligned the tests.
mysql-test/t/trigger.test:
Revised the pre-locking code implementation, aligned the tests.
sql/lock.cc:
table->placeholder now checks for schema_table
sql/mysqld.cc:
my_message_sql(): invoke internal exception handlers
sql/sp_head.cc:
exec_open_and_lock_tables(): open and lock tables, or return the
continuation destination of this instruction
sql/sp_head.h:
exec_open_and_lock_tables(): open and lock tables, or return the
continuation destination of this instruction
sql/sql_base.cc:
Prelock_error_handler: delay open table errors until execution
sql/sql_class.cc:
THD: add internal error handler, as an exception mechanism.
sql/sql_class.h:
THD: add internal error handler, as an exception mechanism.
sql/sql_update.cc:
table->placeholder now checks for schema_table
sql/table.cc:
st_table_list::hide_view_error(): masked more errors for view security
sql/table.h:
table->placeholder now checks for schema_table, and unopened tables
The flag alias_name_used was not set on for the outer references
in subqueries. It resulted in replacement of any outer reference
resolved against an alias for a full field name when the frm
representation of a view with a subquery was generated.
If the subquery and the outer query referenced the same table in
their from lists this replacement effectively changed the meaning
of the view and led to wrong results for selects from this view.
Modified several functions to ensure setting the right value of
the alias_name_used flag for outer references resolved against
aliases.
mysql-test/r/view.result:
Added a test case for bug #26560.
mysql-test/t/view.test:
Added a test case for bug #26560.
sql/item.cc:
Fixed bug #26560.
Made the function resolve_ref_in_select_and_group analyze the return
value of the last parameter with the type of the name resolution for
the submitted reference. If the reference has been resolved against
an alias name from select list then its flag alias_name_used is set on.
Now this value is used in Item_field::fix_outer_field to initialize the flag
when the item_ref object is created for an outer reference.
Added a parameter for the second Item_ref::Item_ref constructor to initialize
properly the flag alias_name_used. The default value of the parameter is FALSE.
If this flag is set on at the creation of an object by this constructor it
will never be changed. Corrected appropriately the Item_ref::set_properties
function.
The function Item_ref::print now prints alias name for an outer reference
if the flag alias_name_used is set on.
sql/item.h:
Fixed bug #26560.
Added a parameter for the second Item_ref::Item_ref constructor to initialize
properly the flag alias_name_used. The default value of the parameter is FALSE.
A similar change has been applied to the first Item_direct_ref::Item_direct_ref
constructor.
sql/mysql_priv.h:
Fixed bug #26560.
Added an an enumeration type enum_resolution_type to return info on
how the function find_item_in_list has resolved the submitted item.
The type is used only for this function.
sql/sql_base.cc:
Fixed bug #26560.
Made the last parameter of the function find_field_in_tables return
more detailed information on how the submitted item has been resolved.
Now it says whether the item has been resolved
against an alias name,
or as a field name without alias,
or as a field name hidden by alias,
or was resolved ignoring alias.
sql/sql_select.cc:
Fixed bug #26560.
Took into account the new type of the last parameter of the function
find_item_in_list.
When the ORDER BY clause gets fixed it's allowed to search in the current
item_list in order to find aliased fields and expressions. This is ok for a
SELECT but wrong for an UPDATE statement. If the ORDER BY clause will
contain a non-existing field which is mentioned in the UPDATE set list
then the server will crash due to using of non-existing (0x0) field.
When an Item_field is getting fixed it's allowed to search item list for
aliased expressions and fields only for selects.
sql/sql_base.cc:
Bug#25126: Wrongly resolved field leads to a crash.
When an Item_field is getting fixed it's allowed to search item list for
aliased expressions and fields only for selects.
sql/sql_select.cc:
Bug#25126: Wrongly resolved field leads to a crash.
When an Item_field is getting fixed it's allowed to search item list for
aliased expressions and fields only for selects.
mysql-test/r/update.result:
Added a test case for bug#25126: Wrongly resolved field leads to a crash.
mysql-test/t/update.test:
Added a test case for bug#25126: Wrongly resolved field leads to a crash.
into moonbone.local:/mnt/gentoo64/work/25122-bug-5.0-opt-mysql
sql/mysql_priv.h:
Auto merged
sql/sql_base.cc:
Auto merged
sql/sql_delete.cc:
Auto merged
sql/sql_insert.cc:
Auto merged
sql/sql_load.cc:
Auto merged
sql/sql_parse.cc:
Auto merged
sql/sql_update.cc:
Auto merged
When INSERT is done over a view the table being inserted into is
checked to be unique among all views tables. But if the view contains
self-joined table an error will be thrown even if all tables are used under
different aliases.
The unique_table() function now also checks tables' aliases when needed.
sql/mysql_priv.h:
Bug#25122: Views based on a self-joined table aren't insertable.
Updated prototype of the unique_table() function.
sql/sql_base.cc:
Bug#25122: Views based on a self-joined table aren't insertable.
Now the unique_table() function checks tables' aliases when needed.
sql/sql_delete.cc:
Bug#25122: Views based on a self-joined table aren't insertable.
Updated calls to the unique_table() function.
sql/sql_insert.cc:
Bug#25122: Views based on a self-joined table aren't insertable.
Updated calls to the unique_table() function.
sql/sql_load.cc:
Bug#25122: Views based on a self-joined table aren't insertable.
Updated calls to the unique_table() function.
sql/sql_parse.cc:
Bug#25122: Views based on a self-joined table aren't insertable.
Updated calls to the unique_table() function.
sql/sql_update.cc:
Bug#25122: Views based on a self-joined table aren't insertable.
Updated calls to the unique_table() function.
into weblab.(none):/home/marcsql/TREE/mysql-5.0-rt-merge
mysql-test/mysql-test-run.pl:
Auto merged
mysql-test/t/disabled.def:
Auto merged
server-tools/instance-manager/instance_options.cc:
Auto merged
server-tools/instance-manager/mysqlmanager.cc:
Auto merged
sql/item_cmpfunc.cc:
Auto merged
sql/item_cmpfunc.h:
Auto merged
sql/item_subselect.cc:
Auto merged
sql/item_subselect.h:
Auto merged
sql/sp_head.cc:
Auto merged
sql/sql_base.cc:
Auto merged
sql/sql_class.cc:
Auto merged
sql/sql_lex.cc:
Auto merged
sql/sql_lex.h:
Auto merged
sql/sql_parse.cc:
Auto merged
sql/sql_yacc.yy:
Auto merged
