Calling List<Cached_item>::delete_elements for the same list twice
caused a crash of the server in the function JOIN::cleaunup.
Ensured that delete_elements() in JOIN::cleanup would be called only once.
mysql-test/r/subselect.result:
Added a test case for bug #38191.
mysql-test/t/subselect.test:
Added a test case for bug #38191.
sql/sql_select.cc:
Fixed bug #38191.
Ensured that delete_elements() in JOIN::cleanup would be called only once.
Tables in the table definition cache are keeping a cache buffer for blob
fields which can consume a lot of memory.
This patch introduces a maximum size threshold for these buffers.
sql/sql_base.cc:
Added function free_field_buffers_larger_than to reclaim memory from blob
field buffers too large to be cached.
sql/table.cc:
Added function free_field_buffers_larger_than
Range scan in descending order for c <= <col> <= c type of
ranges was ignoring the DESC flag.
However some engines like InnoDB have the primary key parts
as a suffix for every secondary key.
When such primary key suffix is used for ordering ignoring
the DESC is not valid.
But we generally would like to do this because it's faster.
Fixed by performing only reverse scan if the primary key is used.
Removed some dead code in the process.
mysql-test/r/innodb_mysql.result:
Bug#37830 : test case
mysql-test/t/innodb_mysql.test:
Bug#37830 : test case
sql/opt_range.cc:
Bug#37830 :
- preserve and use used_key_parts to
distinguish when a primary key suffix is used
- removed some dead code
sql/opt_range.h:
Bug#37830 :
- preserve used_key_parts
- dead code removed
sql/sql_select.cc:
Bug#37830 : Do only reverse order traversal
if the primary key suffix is used.
If the server failed to expired log files during start up it could crash.
sql/log.cc:
Added predicate to protect againt cases when current_thd might be NULL.
Don't initalize federated if it's disabled by a command line option.
sql/ha_federated.cc:
Folow-up on Bug#37069: Don't initalize federated if it's disabled
by a command line option.
Range scan in descending order for c <= <col> <= c type of
ranges was ignoring the DESC flag.
However some engines like InnoDB have the primary key parts
as a suffix for every secondary key.
When such primary key suffix is used for ordering ignoring
the DESC is not valid.
But we generally would like to do this because it's faster.
Fixed by performing only reverse scan if the primary key is used.
Removed some dead code in the process.
mysql-test/r/innodb_mysql.result:
Bug#37830 : test case
mysql-test/t/innodb_mysql.test:
Bug#37830 : test case
sql/opt_range.cc:
Bug#37830 :
- preserve and use used_key_parts to
distinguish when a primary key suffix is used
- removed some dead code
sql/opt_range.h:
Bug#37830 :
- preserve used_key_parts
- dead code removed
sql/sql_select.cc:
Bug#37830 : Do only reverse order traversal
if the primary key suffix is used.
- In QUICK_INDEX_MERGE_SELECT::read_keys_and_merge: when we got table->sort from Unique,
tell init_read_record() not to use rr_from_cache() because a) rowids are already sorted
and b) it might be that the the data is used by filesort(), which will need record rowids
(which rr_from_cache() cannot provide).
- Fully de-initialize the table->sort read in QUICK_INDEX_MERGE_SELECT::get_next(). This fixes BUG#35477.
(bk trigger: file as fix for BUG#35478).
sql/filesort.cc:
BUG#35478: sort_union() returns bad data when sort_buffer_size is hit
- make find_all_keys() use quick->get_next() instead of init_read_record(r)/r.read_record() calls
- added dbug printout
sql/mysql_priv.h:
BUG#35478: sort_union() returns bad data when sort_buffer_size is hit
- Added parameter to init_read_record
sql/opt_range.cc:
BUG#35478: sort_union() returns bad data when sort_buffer_size is hit
- In QUICK_INDEX_MERGE_SELECT::read_keys_and_merge: when we got table->sort from Unique,
tell init_read_record() not to use rr_from_cache() because a) rowids are already sorted
and b) it might be that the the data is used by filesort(), which will need record rowids
(which rr_from_cache() cannot provide).
- Fully de-initialize the table->sort read in QUICK_INDEX_MERGE_SELECT::get_next().
sql/records.cc:
BUG#35478: sort_union() returns bad data when sort_buffer_size is hit
- Added disable_rr_cache parameter to init_read_record
- Added comment
sql/sql_acl.cc:
BUG#35478: sort_union() returns bad data when sort_buffer_size is hit
- Added parameter to init_read_record
sql/sql_delete.cc:
BUG#35478: sort_union() returns bad data when sort_buffer_size is hit
- Added parameter to init_read_record
sql/sql_help.cc:
BUG#35478: sort_union() returns bad data when sort_buffer_size is hit
- Added parameter to init_read_record
sql/sql_select.cc:
BUG#35478: sort_union() returns bad data when sort_buffer_size is hit
- Added parameter to init_read_record
sql/sql_table.cc:
BUG#35478: sort_union() returns bad data when sort_buffer_size is hit
- Added parameter to init_read_record
sql/sql_udf.cc:
BUG#35478: sort_union() returns bad data when sort_buffer_size is hit
- Added parameter to init_read_record
sql/sql_update.cc:
BUG#35478: sort_union() returns bad data when sort_buffer_size is hit
- Added parameter to init_read_record
build)
The crash was caused by freeing the internal parser stack during the parser
execution.
This occured only for complex stored procedures, after reallocating the parser
stack using my_yyoverflow(), with the following C call stack:
- MYSQLparse()
- any rule calling sp_head::restore_lex()
- lex_end()
- x_free(lex->yacc_yyss), xfree(lex->yacc_yyvs)
The root cause is the implementation of stored procedures, which breaks the
assumption from 4.1 that there is only one LEX structure per parser call.
The solution is to separate the LEX structure into:
- attributes that represent a statement (the current LEX structure),
- attributes that relate to the syntax parser itself (Yacc_state),
so that parsing multiple statements in stored programs can create multiple
LEX structures while not changing the unique Yacc_state.
Now, Yacc_state and the existing Lex_input_stream are aggregated into
Parser_state, a structure that represent the complete state of the (Lexical +
Syntax) parser.
mysql-test/r/parser_stack.result:
Bug#35577 (CREATE PROCEDURE causes either crash or syntax error depending on
build)
mysql-test/t/parser_stack.test:
Bug#35577 (CREATE PROCEDURE causes either crash or syntax error depending on
build)
sql/sp.cc:
Bug#35577 (CREATE PROCEDURE causes either crash or syntax error depending on
build)
sql/sp_head.cc:
Bug#35577 (CREATE PROCEDURE causes either crash or syntax error depending on
build)
sql/sql_class.cc:
Bug#35577 (CREATE PROCEDURE causes either crash or syntax error depending on
build)
sql/sql_class.h:
Bug#35577 (CREATE PROCEDURE causes either crash or syntax error depending on
build)
sql/sql_lex.cc:
Bug#35577 (CREATE PROCEDURE causes either crash or syntax error depending on
build)
sql/sql_lex.h:
Bug#35577 (CREATE PROCEDURE causes either crash or syntax error depending on
build)
sql/sql_parse.cc:
Bug#35577 (CREATE PROCEDURE causes either crash or syntax error depending on
build)
sql/sql_prepare.cc:
Bug#35577 (CREATE PROCEDURE causes either crash or syntax error depending on
build)
sql/sql_trigger.cc:
Bug#35577 (CREATE PROCEDURE causes either crash or syntax error depending on
build)
sql/sql_view.cc:
Bug#35577 (CREATE PROCEDURE causes either crash or syntax error depending on
build)
sql/sql_yacc.yy:
Bug#35577 (CREATE PROCEDURE causes either crash or syntax error depending on
build)
and value-list
The server returns unexpected results if a right side of the
NOT IN clause consists of NULL value and some constants of
the same type, for example:
SELECT * FROM t WHERE NOT t.id IN (NULL, 1, 2)
may return 3, 4, 5 etc if a table contains these values.
The Item_func_in::val_int method has been modified:
unnecessary resets of an Item_func_case::has_null field
value has been moved outside of an argument comparison
loop. (Also unnecessary re-initialization of the null_value
field has been moved).
mysql-test/r/func_in.result:
Added test case for bug #37761.
mysql-test/t/func_in.test:
Added test case for bug #37761.
sql/item_cmpfunc.cc:
Bug #37761: IN handles NULL differently for table-subquery
and value-list
The Item_func_in::val_int method has been modified:
unnecessary resets of an Item_func_case::has_null field
value has been moved outside of an argument comparison
loop. (Also unnecessary re-initialization of the null_value
field has been moved).
Problem was that ha_partition had HA_FILE_BASED flag set
(since it uses a .par file), but after open it uses the first partitions
flags, which results in different case handling for create and for
open.
Solution was to change the underlying partition name so it was consistent.
(Only happens when lower_case_table_names = 2, i.e. Mac OS X and storage
engines without HA_FILE_BASED, like InnoDB and Memory.)
(Recommit after adding rename of check_lowercase_names to
get_canonical_filename, and moved it from handler.h to mysql_priv.h)
NOTE: if a mixed case name for a partitioned table was created when
lower_case_table_name = 2 it should be renamed or dropped before using
the updated version (See bug#37402 for more info)
mysql-test/include/have_case_insensitive_file_system.inc:
Bug#37402: Mysql cant read partitioned table with capital letter in the name
Added include file.
mysql-test/include/have_lowercase0.inc:
Bug#37402: Mysql cant read partitioned table with capital letter in the name
moved case insensitive file system to a new file, leaving only
lower_case_table_names.
mysql-test/include/have_lowercase2.inc:
Bug#37402: Mysql cant read partitioned table with capital letter in the name
Added include file.
mysql-test/lib/mtr_report.pl:
Bug#37402: Mysql cant read partitioned table with capital letter in the name
Removed a duplicate row and suppressed warning about setting
lower_case_table_names to 2 on case sensitive file systems.
mysql-test/r/case_insensitive_file_system.require:
Bug#37402: Mysql cant read partitioned table with capital letter in the name
Added requirement file.
mysql-test/r/lowercase0.require:
Bug#37402: Mysql cant read partitioned table with capital letter in the name
moved case insensitive file system to a new file, leaving only
lower_case_table_names.
mysql-test/suite/parts/inc/partition_mgm.inc:
Bug#37402: Mysql cant read partitioned table with capital letter in the name
New include file for testing partitioning management functions for different
settings of lower_case_table_names.
mysql-test/suite/parts/r/partition_mgm_lc0_archive.result:
Bug#37402: Mysql cant read partitioned table with capital letter in the name
New result file.
mysql-test/suite/parts/r/partition_mgm_lc0_innodb.result:
Bug#37402: Mysql cant read partitioned table with capital letter in the name
New result file.
mysql-test/suite/parts/r/partition_mgm_lc0_memory.result:
Bug#37402: Mysql cant read partitioned table with capital letter in the name
New result file.
mysql-test/suite/parts/r/partition_mgm_lc0_myisam.result:
Bug#37402: Mysql cant read partitioned table with capital letter in the name
New result file.
mysql-test/suite/parts/r/partition_mgm_lc0_ndb.result:
Bug#37402: Mysql cant read partitioned table with capital letter in the name
New result file.
mysql-test/suite/parts/r/partition_mgm_lc1_archive.result:
Bug#37402: Mysql cant read partitioned table with capital letter in the name
New result file.
mysql-test/suite/parts/r/partition_mgm_lc1_innodb.result:
Bug#37402: Mysql cant read partitioned table with capital letter in the name
New result file.
mysql-test/suite/parts/r/partition_mgm_lc1_memory.result:
Bug#37402: Mysql cant read partitioned table with capital letter in the name
New result file.
mysql-test/suite/parts/r/partition_mgm_lc1_myisam.result:
Bug#37402: Mysql cant read partitioned table with capital letter in the name
New result file.
mysql-test/suite/parts/r/partition_mgm_lc1_ndb.result:
Bug#37402: Mysql cant read partitioned table with capital letter in the name
New result file.
mysql-test/suite/parts/r/partition_mgm_lc2_archive.result:
Bug#37402: Mysql cant read partitioned table with capital letter in the name
New result file.
mysql-test/suite/parts/r/partition_mgm_lc2_innodb.result:
Bug#37402: Mysql cant read partitioned table with capital letter in the name
New result file.
mysql-test/suite/parts/r/partition_mgm_lc2_memory.result:
Bug#37402: Mysql cant read partitioned table with capital letter in the name
New result file.
mysql-test/suite/parts/r/partition_mgm_lc2_myisam.result:
Bug#37402: Mysql cant read partitioned table with capital letter in the name
New result file.
mysql-test/suite/parts/r/partition_mgm_lc2_ndb.result:
Bug#37402: Mysql cant read partitioned table with capital letter in the name
New result file.
mysql-test/suite/parts/t/partition_mgm_lc0_archive.test:
Bug#37402: Mysql cant read partitioned table with capital letter in the name
New test file.
mysql-test/suite/parts/t/partition_mgm_lc0_innodb.test:
Bug#37402: Mysql cant read partitioned table with capital letter in the name
New test file.
mysql-test/suite/parts/t/partition_mgm_lc0_memory.test:
Bug#37402: Mysql cant read partitioned table with capital letter in the name
New test file.
mysql-test/suite/parts/t/partition_mgm_lc0_myisam.test:
Bug#37402: Mysql cant read partitioned table with capital letter in the name
New test file.
mysql-test/suite/parts/t/partition_mgm_lc0_ndb.test:
Bug#37402: Mysql cant read partitioned table with capital letter in the name
New test file.
mysql-test/suite/parts/t/partition_mgm_lc1_archive-master.opt:
Bug#37402: Mysql cant read partitioned table with capital letter in the name
New opt file.
mysql-test/suite/parts/t/partition_mgm_lc1_archive.test:
Bug#37402: Mysql cant read partitioned table with capital letter in the name
New test file.
mysql-test/suite/parts/t/partition_mgm_lc1_innodb-master.opt:
Bug#37402: Mysql cant read partitioned table with capital letter in the name
New opt file.
mysql-test/suite/parts/t/partition_mgm_lc1_innodb.test:
Bug#37402: Mysql cant read partitioned table with capital letter in the name
New test file.
mysql-test/suite/parts/t/partition_mgm_lc1_memory-master.opt:
Bug#37402: Mysql cant read partitioned table with capital letter in the name
New opt file.
mysql-test/suite/parts/t/partition_mgm_lc1_memory.test:
Bug#37402: Mysql cant read partitioned table with capital letter in the name
New test file.
mysql-test/suite/parts/t/partition_mgm_lc1_myisam-master.opt:
Bug#37402: Mysql cant read partitioned table with capital letter in the name
New opt file.
mysql-test/suite/parts/t/partition_mgm_lc1_myisam.test:
Bug#37402: Mysql cant read partitioned table with capital letter in the name
New test file.
mysql-test/suite/parts/t/partition_mgm_lc1_ndb-master.opt:
Bug#37402: Mysql cant read partitioned table with capital letter in the name
New opt file.
mysql-test/suite/parts/t/partition_mgm_lc1_ndb.test:
Bug#37402: Mysql cant read partitioned table with capital letter in the name
New test file.
mysql-test/suite/parts/t/partition_mgm_lc2_archive-master.opt:
Bug#37402: Mysql cant read partitioned table with capital letter in the name
New opt file.
mysql-test/suite/parts/t/partition_mgm_lc2_archive.test:
Bug#37402: Mysql cant read partitioned table with capital letter in the name
New test file.
mysql-test/suite/parts/t/partition_mgm_lc2_innodb-master.opt:
Bug#37402: Mysql cant read partitioned table with capital letter in the name
New opt file.
mysql-test/suite/parts/t/partition_mgm_lc2_innodb.test:
Bug#37402: Mysql cant read partitioned table with capital letter in the name
New test file.
mysql-test/suite/parts/t/partition_mgm_lc2_memory-master.opt:
Bug#37402: Mysql cant read partitioned table with capital letter in the name
New opt file.
mysql-test/suite/parts/t/partition_mgm_lc2_memory.test:
Bug#37402: Mysql cant read partitioned table with capital letter in the name
New test file.
mysql-test/suite/parts/t/partition_mgm_lc2_myisam-master.opt:
Bug#37402: Mysql cant read partitioned table with capital letter in the name
New opt file.
mysql-test/suite/parts/t/partition_mgm_lc2_myisam.test:
Bug#37402: Mysql cant read partitioned table with capital letter in the name
New test file.
mysql-test/suite/parts/t/partition_mgm_lc2_ndb-master.opt:
Bug#37402: Mysql cant read partitioned table with capital letter in the name
New opt file.
mysql-test/suite/parts/t/partition_mgm_lc2_ndb.test:
Bug#37402: Mysql cant read partitioned table with capital letter in the name
New test file.
mysql-test/t/lowercase_table3.test:
Bug#37402: Mysql cant read partitioned table with capital letter in the name
Moved case sensitive file system to a specific inc-file instead of
included in lowercase0.inc
sql/ha_partition.cc:
Bug#37402: Mysql cant read partitioned table with capital letter in the name
Problem was that ha_partition had HA_FILE_BASED set
(since it uses a .par file), but after open it uses the first partitions
table_flags(), which results in different case handling for create and for
open.
Solution was to change the underlying partition name so it was consistent.
(Only happens when lower_case_table_names = 2, i.e. Mac OS X)
sql/handler.cc:
Bug#37402: Mysql cant read partitioned table with capital letter in the name
Renamed check_lowercase_names to get_canonical_filename, and exported it
so that ha_partition.cc can use the function.
sql/mysql_priv.h:
Bug#37402: Mysql cant read partitioned table with capital letter in the name
Renamed check_lowercase_names to get_canonical_filename, and exported it
so that ha_partition.cc can use the function.
offset for time part in UUIDs was 1/1000 of what it
should be. In other words, offset was off.
Also handle the case where we count into the future
when several UUIDs are generated in one "tick", and
then the next call is late enough for us to unwind
some but not all of those borrowed ticks.
Lastly, handle the case where we keep borrowing and
borrowing until the tick-counter overflows by also
changing into a new "numberspace" by creating a new
random suffix.
mysql-test/r/func_misc.result:
Show that time-part of UUIDs is correct now.
mysql-test/t/func_misc.test:
Show that time-part of UUIDs is correct now
by replicating the C-code's resultin SQL.
Results also decode to expect date-data on
command-line (external validation).
No test for unwinding of borrowed ticks as
this a) is a race and b) depends on what timer
we get.
sql/item_strfunc.cc:
correct offset for date/time-part of UUID.
also make sure that when we counted into
the future earlier (several UUIDs generated
in same tick), we only give back as many
"borrowed" ticks as we can without duplicating
past timestamps. If our tick-counter overflows
before we can give back, or if the system-clock
is set back (by user or Daylight Saving Time),
we create a new random suffix to avoid
collisions and clear the tick-counter.
offset for time part in UUIDs was 1/1000 of what it
should be. In other words, offset was off.
Also handle the case where we count into the future
when several UUIDs are generated in one "tick", and
then the next call is late enough for us to unwind
some but not all of those borrowed ticks.
Lastly, handle the case where we keep borrowing and
borrowing until the tick-counter overflows by also
changing into a new "numberspace" by creating a new
random suffix.
mysql-test/r/func_misc.result:
Show that time-part of UUIDs is correct now.
mysql-test/t/func_misc.test:
Show that time-part of UUIDs is correct now
by replicating the C-code's resultin SQL.
Results also decode to expect date-data on
command-line (external validation).
No test for unwinding of borrowed ticks as
this a) is a race and b) depends on what timer
we get.
sql/item_strfunc.cc:
correct offset for date/time-part of UUID.
also make sure that when we counted into
the future earlier (several UUIDs generated
in same tick), we only give back as many
"borrowed" ticks as we can without duplicating
past timestamps. If our tick-counter overflows
before we can give back, or if the system-clock
is set back (by user or Daylight Saving Time),
we create a new random suffix to avoid
collisions and clear the tick-counter.
