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Author SHA1 Message Date
Sergei Golubchik
24d6cd7d62 cleanup: Arg_comparator::cache_converted_constant() 
It's a generic function, not using anything from Arg_comparator.
Make it a static function, not a class method, to be able to use
it later without Arg_comparator
 2018-03-14 12:40:00 +01:00
Sergei Golubchik
c2671e97a3 cleanup: make find_date_time_item() static 2018-03-14 12:40:00 +01:00
Sergei Golubchik
75ac5789b4 cleanup: typos, comments, whitespace 2018-03-14 12:40:00 +01:00
Sergei Golubchik
bf1ca14ff3 cleanup: Item_func_case 
reorder items in args[] array. Instead of

  when1,then1,when2,then2,...[,case][,else]

sort them as

  [case,]when1,when2,...,then1,then2,...[,else]

in this case all items used for comparison take a continuous part
of the array and can be aggregated directly. and all items that
can be returned take a continuous part of the array and can be
aggregated directly. Old code had to copy them to a temporary
array before aggreation, and then copy back (thd->change_item_tree)
everything that was changed.
 2018-03-14 12:40:00 +01:00
Sergei Golubchik
4771ae4b22 Merge branch 'github/10.1' into 10.2 2018-02-06 14:50:50 +01:00
Oleksandr Byelkin
f694df6ac5 Fix of NULLIF print statement. 2018-02-02 17:23:05 +01:00
Sergei Golubchik
d4df7bc9b1 Merge branch 'github/10.0' into 10.1 2018-02-02 10:09:44 +01:00
Vicențiu Ciorbaru
d833bb65d5 Merge remote-tracking branch '5.5' into 10.0 2018-01-24 12:29:31 +02:00
Oleksandr Byelkin
76577e1e26 typo fix 2018-01-24 10:58:27 +01:00
Oleksandr Byelkin
ba8d0fa700 MDEV-14786: Server crashes in Item_cond::transform on 2nd execution of SP querying from a view 
MDEV-14957: JOIN::prepare gets unusable "conds" as argument

Do not touch merged derived (it is irreversible)

Fix first argument of in_optimizer for calls possible before fix_fields()
 2018-01-23 13:42:41 +01:00
Vicențiu Ciorbaru
985d2d393c Merge remote-tracking branch 'origin/10.1' into 10.2 2017-12-22 12:23:39 +02:00
Vicențiu Ciorbaru
e3d89652e5 Merge branch '10.0' into 10.1 2017-12-20 13:30:05 +02:00
Vicențiu Ciorbaru
042f763268 Merge remote-tracking branch '5.5' into 10.0 2017-12-20 12:51:57 +02:00
Marko Mäkelä
ece9c54e10 Merge 10.1 into 10.2 2017-12-14 08:40:01 +02:00
Marko Mäkelä
ce07d09fd3 Merge 10.0 into 10.1 2017-12-12 19:28:26 +02:00
Alexander Barkov
20089f5a39 MDEV-14596 Crash in INTERVAL(ROW(..),ROW(..)) 2017-12-08 14:40:27 +04:00
Sergei Golubchik
7f1900705b Merge branch '10.1' into 10.2 2017-11-21 19:47:46 +01:00
Oleksandr Byelkin
2913f615f0 MDEV-8949: COLUMN_CREATE unicode name breakage 
Use utf-mb4 if it is possible.
 2017-11-14 10:49:46 +01:00
Sergei Golubchik
7002291b8a Merge branch '10.0' into 10.1 2017-11-10 01:14:58 +01:00
Sergei Golubchik
7ec6c6fa62 typo 2017-11-09 20:47:56 +01:00
Alexander Barkov
62333983e4 Merge remote-tracking branch 'origin/10.1' into 10.2 2017-11-09 15:41:26 +04:00
Alexander Barkov
0fdb0bdf27 Merge remote-tracking branch 'origin/10.0' into 10.1 2017-11-09 14:05:53 +04:00
Oleksandr Byelkin
c2c93fc6e4 MDEV-14164: Unknown column error when adding aggregate to function in oracle style procedure FOR loop 
Make differentiation between pullout for merge and pulout of outer field during exists2in transformation.
In last case the field was outer and so we can safely start from name resolution context of the SELECT where it was pulled.
Old behavior lead to inconsistence between list of tables and outer name resolution context (which skips one SELECT for merge purposes) which creates problem vor name resolution.
 2017-11-09 09:31:03 +01:00
Vladislav Vaintroub
7354dc6773 MDEV-13384 - misc Windows warnings fixed 2017-09-28 17:20:46 +00:00
Vladislav Vaintroub
eba44874ca MDEV-13844 : Fix Windows warnings. Fix DBUG_PRINT. 
- Fix win64 pointer truncation warnings
(usually coming from misusing 0x%lx and long cast in DBUG)

- Also fix printf-format warnings

Make the above mentioned warnings fatal.

- fix pthread_join on Windows to set return value.
 2017-09-28 17:20:46 +00:00
Vicențiu Ciorbaru
33209350f7 MDEV-13649: Server crashes in set_field_to_null_with_conversions or in Field::set_notnull 
Item_cond did not correctly propagate with_window_func flag in the Item
tree. Without it, we would not call Item::split_sum_func correctly and the
window function's result_field would remain NULL.
 2017-09-19 15:14:10 +03:00
Sergei Golubchik
cb1e76e4de Merge branch '10.1' into 10.2 2017-08-17 11:38:34 +02:00
Alexey Botchkov
79d2853354 MDEV-12604 Comparison of JSON_EXTRACT result differs with Mysql. 
JSON_EXTRACT behaves specifically in the comparison,
        so we have to implement specific method for that in
        Arg_comparator.
 2017-08-11 00:50:29 +04:00
Sergei Golubchik
8e8d42ddf0 Merge branch '10.0' into 10.1 2017-08-08 10:18:43 +02:00
Alexey Botchkov
bb71d9abf2 MDEV-12604 Comparison of JSON_EXTRACT result differs with Mysql. 
Comparison fixed to take the actual type of JSON value into
        account. Bug in escaping handling fixed.
 2017-08-08 10:35:26 +04:00
Sergei Golubchik
2fcd8c1252 MDEV-13173 An RLIKE that previously worked on 10.0 now returns "Got error 'pcre_exec: recursion limit of 100 exceeded' from regexp" 
1. use Regexp_processor_pcre::set_recursion_limit() to set the
   recursion limit depending on the current available stack size
2. make pcre stack frame to be estimated no less than 500 bytes.
   sometimes pcre estimates it too low, even though the manual
   says 500+16 bytes (it was estimated only 188 for me, actual
   frame size was 512).
3. do it for embedded too
 2017-07-20 20:13:28 +02:00
Sergei Golubchik
75f80004b1 MDEV-12939 A query crashes MariaDB in Item_func_regex::cleanup 
and
MDEV-13144 regexp on views - crashed mariadb server

implement Item_func_regex::build_clone()
 2017-07-05 17:15:57 +02:00
Marko Mäkelä
2d8fdfbde5 Merge 10.1 into 10.2 
Replace have_innodb_zip.inc with innodb_page_size_small.inc.
 2017-06-08 12:45:08 +03:00
Sergei Golubchik
5e0038b376 cleanup: remove Regexp_processor_pcre::m_subpatterns_needed 
it's unused now.
 2017-05-29 21:07:54 +02:00
Sergei Golubchik
2372bfaa7b MDEV-12942 REGEXP_INSTR returns 1 when using brackets 
always use full m_SubStrVec length in pcre_exec, we don't know
how many subexpressions user's regexp will have
 2017-05-29 21:07:54 +02:00
Marko Mäkelä
70505dd45b Merge 10.1 into 10.2 2017-05-22 09:46:51 +03:00
Marko Mäkelä
13a350ac29 Merge 10.0 into 10.1 2017-05-19 12:29:37 +03:00
Sergei Golubchik
52aa200919 MDEV-12420 max_recursive_iterations did not prevent a stack-overflow and segfault 
post-review fixes
* move pcre-specific variable out of mysys
* don't use current_thd
* move a commonly used macro to my_sys.h
* remove new sysvar
 2017-05-15 22:23:10 +02:00
Daniel Black
fbc057ad36 MDEV-12420: add full list of pcre error messages 2017-05-15 22:23:10 +02:00
Daniel Black
d672f88ef7 MDEV-12420: PCRE stack overflow 
It was possible to construct a PCRE expression that exceeded the stack.
resulting in a crash:

With fix:

MariaDB [(none)]> SELECT 1
    -> FROM dual
    -> WHERE ('Alpha,Bravo,Charlie,Delta,Echo,Foxtrot,StrataCentral,Golf,Hotel,India,Juliet,Kilo,Lima,Mike,StrataL3,November,Oscar,StrataL2,Sand,P3,P4SwitchTest,Arsys,Poppa,ExtensionMgr,Arp,Quebec,Romeo,StrataApiV2,PtReyes,Sierra,SandAcl,Arrow,Artools,BridgeTest,Tango,SandT,PAlaska,Namespace,Agent,Qos,PatchPanel,ProjectReport,Ark,Gimp,Agent,SliceAgent,Arnet,Bgp,Ale,Tommy,Central,AsicPktTestLib,Hsc,SandL3,Abuild,Pca9555,Standby,ControllerDut,CalSys,SandLib,Sb820,PointV2,BfnLib,Evpn,BfnSdk,Sflow,ManagementActive,AutoTest,GatedTest,Bgp,Sand,xinetd,BfnAgentLib,bf-utils,Hello,BfnState,Eos,Artest,Qos,Scd,ThermoMgr,Uniform,EosUtils,Eb,FanController,Central,BfnL3,BfnL2,tcp_wrappers,Victor,Environment,Route,Failover,Whiskey,Xray,Gimp,BfnFixed,Strata,SoCal,XApi,Msrp,XpProfile,tcpdump,PatchPanel,ArosTest,FhTest,Arbus,XpAcl,MacConc,XpApi,telnet,QosTest,Alpha2,BfnVlan,Stp,VxlanControllerTest,MplsAgent,Bravo2,Lanz,BfnMbb,Intf,XCtrl,Unicast,SandTunnel,L3Unicast,Ipsec,MplsTest,Rsvp,EthIntf,StageMgr,Sol,MplsUtils,Nat,Ira,P4NamespaceDut,Counters,Charlie2,Aqlc,Mlag,Power,OpenFlow,Lag,RestApi,BfdTest,strongs,Sfa,CEosUtils,Adt746,MaintenanceMode,MlagDut,EosImage,IpEth,MultiProtocol,Launcher,Max3179,Snmp,Acl,IpEthTest,PhyEee,bf-syslibs,tacc,XpL2,p4-ar-switch,p4-bf-switch,LdpTest,BfnPhy,Mirroring,Phy6,Ptp'
    ->
    -> REGEXP '^((?!\b(Strata|StrataApi|StrataApiV2)\b).)*$');
Empty set, 1 warning (0.00 sec)

MariaDB [(none)]> show warnings;
+---------+------+---------------------------------------------------------+
| Level   | Code | Message                                                 |
+---------+------+---------------------------------------------------------+
| Warning | 1139 | Got error 'pcre_exec: Internal error (-21)' from regexp |
+---------+------+---------------------------------------------------------+
 2017-05-15 22:23:10 +02:00
Sergei Golubchik
da4d71d10d Merge branch '10.1' into 10.2 2017-03-30 12:48:42 +02:00
Marko Mäkelä
ad0c218a44 Merge 10.0 into 10.1 
Also, implement MDEV-11027 a little differently from 5.5 and 10.0:

recv_apply_hashed_log_recs(): Change the return type back to void
(DB_SUCCESS was always returned).

Report progress also via systemd using sd_notifyf().
 2017-03-09 08:53:08 +02:00
Tor Didriksen
e823023e4b Bug#18411494 WRONG COMPARSION ON BIG DECIMAL VALUES 
Problem: integer literals may be converted to floats for
comparison with decimal data. If the integers are large,
we may lose precision, and give wrong results.

Fix: for
  <non-const decimal expression> <cmp> <const string expression>
  or
  <const string expression> <cmp> <non-const decimal expression>
we override the compare_type chosen by item_cmp_type(), and
do comparison as decimal rather than float.

(cherry picked from commit 1cf3489ba4 and edited by Johannes Weißl <jargon@molb.org>)
 2017-03-06 23:36:48 +04:00
Sergei Golubchik
2195bb4e41 Merge branch '10.1' into 10.2 2017-02-10 17:01:45 +01:00
Sergei Golubchik
f7d030489d Merge branch '10.0' into 10.1 2017-01-17 20:17:35 +01:00
Sergei Golubchik
6728aae3b3 Merge branch '5.5' into 10.0 2017-01-17 16:22:25 +01:00
Sergei Golubchik
798fcb5416 bugfix: cmp_item_row::alloc_comparators() allocated on the wrong arena 
it used current_thd->alloc() and allocated on the thd's execution arena,
not on table->expr_arena.

Remove THD::arena_for_cached_items that is temporarily set in
update_virtual_fields(), and replaces THD arena in get_datetime_value().
Instead set THD arena to table->expr_arena for the whole  duration
of update_virtual_fields()
 2017-01-15 00:11:50 +01:00
Sergei Golubchik
67e2028161 MDEV-9690 concurrent queries with virtual columns crash in temporal code 
Item_func_le included Arg_comparator. Arg_comparator remembered
the current_thd during fix_fields and used that value during
execution to allocate Item_cache in get_datetime_value().
But for vcols fix_fields and val_int can happen in different threads.

Same bug for Item_func_in using in_datetime or cmp_item_datetime,
both also remembered current_thd at fix_fields() to use it later
for get_datetime_value().

As a fix, these objects no longer remember the current_thd,
and get_datetime_value() uses current_thd at run time. This
should not increase the number of current_thd calls much, as
Item_cache is created only once anyway.
 2017-01-15 00:11:02 +01:00
Sergei Golubchik
4a5d25c338 Merge branch '10.1' into 10.2 2016-12-29 13:23:18 +01:00
Sergei Golubchik
8c876adfb6 Item_func_like: print a not like b instead of !(a like b) 2016-12-12 20:44:45 +01:00