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38,753 Commits 56 Branches 76 Tags 287 MiB
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341 Commits

Author SHA1 Message Date
dimitr
f7aa490111 The final part of my little PLAN enhancement. 2003-09-14 15:37:05 +00:00
dimitr
5ec79f66ef PLAN enhancements. The DSQL part of this change will follow. 2003-09-10 13:24:49 +00:00
arnobrinkman
6770751035 Don't forget the OR operations Arno 2003-09-08 08:56:13 +00:00
brodsom
382cd1c45e Code cleaning 2003-09-08 01:45:09 +00:00
arnobrinkman
75486586c9 Added some comments and boolean replacement 2003-09-04 21:37:55 +00:00
brodsom
f76f59a61e Replace BOOLEAN, TRUE and FALSE 2003-09-04 21:20:01 +00:00
arnobrinkman
bfd32caffa Fix wrong last commit :-( 2003-09-02 16:39:58 +00:00
arnobrinkman
e5574959ad Change BOOLEAN to bool type 2003-09-01 23:22:22 +00:00
arnobrinkman
df3c6abf15 1) fix: Unique index must be complete used else we keep on looking for another one. 
2) MERGE can also handle expressions, stupid example :
  SELECT
    *
  FROM
    RDB$RELATIONS r,
    RDB$RELATION_FIELDS rf
  WHERE
    rf.RDB$RELATION_NAME || 'A' = r.RDB$RELATION_NAME || 'A'
3) Do some code style issues
 2003-08-31 22:41:19 +00:00
arnobrinkman
5ce032f2d9 Optimizer fix. Compound-indices were choosen above single-indices where we need only the single-field-index. 2003-08-30 19:51:44 +00:00
brodsom
6a2ef35fda -Remove NULL_PTR 
-Remove unneeded NULL casts
-Remove (void) function return cast
 2003-08-28 13:16:03 +00:00
skidder
27ebbfe696 Get rid of alloca usage 2003-08-19 12:49:33 +00:00
skidder
b05dc24810 Forward port removal of artificial index number limitation from 1.0.3. 
Fix bug in dbb_max_idx calculation. Do not port GC and metadata versioning
changes as they seem very dangerous to me.
 2003-08-18 21:13:56 +00:00
brodsom
daf2d5ff2c -Fix cast warnings 
-Fix signed/unsigned comparison warnings
-Fix format warnings
-Add MinGW 3.0 rc header
 2003-08-09 21:15:32 +00:00
arnobrinkman
e091f9e9c3 bugfix: All flags csb_flags were cleared except csb_active. Thanks to Claudio V. 2003-08-08 21:35:27 +00:00
dimitr
38a973d2b1 Let's fix the cause instead of the effect. No more buffer overflows. 2003-07-15 13:35:23 +00:00
alexpeshkoff
5933e22503 added static function declaration 2003-07-08 12:26:44 +00:00
alexpeshkoff
8ecb3a933b fixed AV on some combinations of CAST, BETWEEN and sub-select 2003-07-08 12:12:34 +00:00
dimitr
7374918a78 Bugfix for SF #736318. 2003-06-27 17:04:07 +00:00
arnobrinkman
ec7ff125ce bugfix: When 1 merge was done no other merge could be generated. for example with 4 stored procedures. 2003-06-26 22:14:55 +00:00
arnobrinkman
d26fd757cb bugfix: More bugfixes for 'no current record for fetch operation' errors. 
These were mostly related to queries where a MERGE was done and/or SP/VIEW/Aggregates/Unions were used together.
 2003-06-09 23:04:29 +00:00
dimitr
cb844e541a Fixed random crashes with big queries prepared. 2003-06-05 16:09:37 +00:00
arnobrinkman
98b28378a9 bugfix FB1.5: Optimizer crashed when all indices of a table had the selectivity of 1 2003-05-16 22:15:39 +00:00
brodsom
a4903c9278 - Comment unneeded checks or conditions 2003-04-02 11:13:11 +00:00
dimitr
46fd65228a Cleanup. 2003-03-25 09:51:52 +00:00
dimitr
20ce2e24d8 Fixed optimizer bug introduced by me appr. one month ago. 2003-03-25 09:40:15 +00:00
tamlin
de27710a5e Fixed a comment mistake (*/ leftover at EOL of //) spotted by Claudio. 2003-03-09 09:06:47 +00:00
brodsom
a808195f28 Avoid undefined function warning 2003-03-07 00:36:44 +00:00
tamlin
3ef654d69f Just a bit of cleanup, nothing interesting. 2003-03-02 16:17:08 +00:00
arnobrinkman
28c3eb69a3 Comments added 2003-02-27 23:07:15 +00:00
tamlin
b99ae4c70c Basic code cleanup and fixed a problem spotted by Dmitry Yemanov. 2003-02-27 18:46:49 +00:00
tamlin
66527bca20 Fix optimizer crasher with too many streams (UCHAR overflow/wrap-around). 2003-02-27 16:28:53 +00:00
arnobrinkman
57eb03f09f bugfix: Fix FB1.5 optimizer bug which causes the server to crash. 2003-02-25 18:34:52 +00:00
dimitr
09c3847515 A bit reworked fixed-size vector allocations. Thanks to Mike for the hint. 2003-02-23 10:23:19 +00:00
dimitr
18549a8e14 Cleanup and some economy of the stack space (in favor of the heap). Performance penalty isn't noticable. 2003-02-22 17:09:02 +00:00
dimitr
02963521f8 Some cleanup of the optimizer. 2003-02-22 15:10:29 +00:00
dimitr
09dec233aa Made the optimizer a bit better in the case of old index statistics. 2003-02-22 12:20:53 +00:00
tamlin
f5676d103e A little bit of code cleanup and addition of a few asserts, to get early warning before it crashes. 2003-02-22 10:10:37 +00:00
arnobrinkman
59c31c48bc Let the optimizer build MERGE/SORT where possible. 
This is : Multiple STORED PROCEDURES and/or VIEWS with internally aggregate or union
 2003-02-22 00:48:38 +00:00
dimitr
17f69fc9e5 Fixed stack oveflow caused by deep recursion and big stack arrays in the optimizer. 2003-02-20 10:58:46 +00:00
arnobrinkman
afc3d38954 More optimizer enhancements. 
When an equal-node and other nodes (geq, leq, between...) are available for an index retrieval, then use the equal node always instead of the others.
 2003-02-15 01:35:19 +00:00
brodsom
3cb91fce80 Remove PIPE and STACK defines (PIPE_SERVER, PIPE_CLIENT, PIPE_LIBRARY, PIPE_SERVER_YVALUE, PIPE_BRIDGE_TO_V3, V3, V3_PATH, ALTPIPE)(STACK_EFFICIENT, STACK_REDUCTION) 2003-02-14 02:24:44 +00:00
dimitr
67749f906b Fixed exception handling. 2003-02-13 13:33:57 +00:00
dimitr
b096a2593d CONST -> const 2003-02-13 10:11:35 +00:00
eku
a7f18b2e31 Removed "register" variables from the source code. It's up to the compiler 
to hold variables in CPU registers.
 2003-02-10 13:28:35 +00:00
arnobrinkman
52a7ba0d51 bugfix: a simple LEFT JOIN on a VIEW with only a ON clause didn't use an index even if it was possible. 
SF BUG # [ 508594 ]
 2003-02-01 00:08:18 +00:00
arnobrinkman
fcb77779fa More and better optimizations with "complex" JOIN queries (LEFT JOIN, views, sp etc...). 
bugfix: An SORT can't be generated when there are already RSBs on the stack, because this will lead to strange values. See also SF BUG # [ 221921 ].
 2003-01-22 00:17:27 +00:00
arnobrinkman
d4624c794e bugfix: SF BUG # [ 221921 ] ORDER BY has no effect 2003-01-12 22:33:43 +00:00
arnobrinkman
a09fc594fb Reworked the last bugfix by dmitry 2003-01-12 13:55:35 +00:00
dimitr
ab4b67b24c 1. More proper implementation of my last bugfix. 
2. Fixed known problems with explicit plans.
 2003-01-11 19:04:36 +00:00
dimitr
2b0913546f Fix for the optimizer issue with compound indices. Leave it up to Arno to decide whether this fix is correct or not. 2003-01-11 18:02:17 +00:00
arnobrinkman
c83b1db4a7 more cosmetic changes to opt.cpp 
bugfix: When UNIONS where used in a VIEW and that VIEW was used in the where clause inside an sub-select then the engine crashed !!
 2002-12-31 00:12:18 +00:00
arnobrinkman
7e2b62528a bugfix: OUTER JOINs and no current record for fetch operation, caused by previous optimizer change 2002-12-28 00:20:45 +00:00
arnobrinkman
aa638632a3 another bugfix Alpha5 "no current record for fetch operation" 
Added code so that more index-retrieval can be used.
Cases where an LEFT OUTER JOIN messed-up the optimizer should be much lower.
Example :
SELECT * FROM
  SomeTable t1
  LEFT JOIN AnotherTable t2 ON (t1.PK_Key = t2.FK_Key)
  JOIN AnotherTable t3 ON (t1.PK_Key = t3.FK_Key)

This change fixed also BUG SF #219525.
 2002-12-16 00:45:35 +00:00
arnobrinkman
7f67f42a5f bugfix: no index was used for STARTING WITH and IS NULL comparison inside OR structures. 2002-12-04 20:05:04 +00:00
arnobrinkman
fb42c5b975 Cosmetic changes with thanks to Claudio V. 
A better/logical change so that the optimizer can use indices in sub-selects and aggregate-statements.
 2002-12-04 18:39:14 +00:00
eku
34e9391a97 Use the new macro FB_NELEM to calculate the number of elements in an array. 2002-12-02 09:45:52 +00:00
arnobrinkman
b5f4f72800 1) bugfix another LEFT JOIN and 'no current record for fetch operation'. 
2) Let sub-selects also use indices when there parent is a stored procedure.
 2002-11-23 23:36:22 +00:00
dimitr
3d55c724ae no message 2002-11-23 17:59:11 +00:00
arnobrinkman
5b4b3ef482 bugfix Optimizer LEFT OUTER JOIN and error : no current record for fetch operation 2002-11-21 23:02:54 +00:00
hippoman
7387e6fb70 changed nod,tra,req,trg,rel,ctx,prc struct names to local module names 2002-11-20 23:18:16 +00:00
arnobrinkman
e1f9fefb15 More optimizer improvement of handle AND nodes inside an OR node. 2002-11-18 21:31:01 +00:00
skidder
53f625e077 New explicit pessimistic locks implementation. It is logically consistent in all TPB modes and should be very fast. 2002-11-18 20:27:24 +00:00
hippoman
4a76e9e4fe change TRA,REQ,TRG,REL,CTX or PRC, to module local names. 2002-11-17 00:13:59 +00:00
skidder
5a712a4fee Fixed restore problem for databases having views that use procedures AND are used by procedures. General procedure metadata related cleanup. 2002-11-16 18:48:01 +00:00
hippoman
25c1dbd367 * Changed NOD struct name to JRD_NOD. 2002-11-11 19:42:47 +00:00
arnobrinkman
2600ac844b Update for explicit PLAN support and little cosmetic changes. 2002-11-09 01:42:10 +00:00
dimitr
8d62d05d5c Yep, I've joined with Arno in his struggle with the optimizer ;-) 2002-11-08 16:23:20 +00:00
arnobrinkman
65251221cd no message 2002-11-06 19:23:48 +00:00
arnobrinkman
b652434669 New changes to the optimizer. Better backward compatibility with forced PLAN's 2002-11-06 03:07:50 +00:00
arnobrinkman
d3ed97fa75 Give ASC a higher priority against same selectivity indices. 2002-11-04 21:57:39 +00:00
arnobrinkman
1d84ffbfd3 Added better support for using indices with "OR". 
Pick the best available compound index from all "AND" nodes.
 2002-11-02 03:20:52 +00:00
seanleyne
0b82f4aa07 Removed obsolete "Netware" port 2002-10-30 06:40:58 +00:00
tamlin
fb3cfa85da const correctness etc 2002-10-29 16:27:47 +00:00
arnobrinkman
3b053bc9c3 AB: Added support for detecting use of index with sub-selects in aggregate selects 2002-10-26 21:16:39 +00:00
skidder
6d499910f9 Move nulls first/last code out of SCROLLABLE_CURSORS ifdef 2002-10-12 20:27:26 +00:00
skidder
b9b600d7fd Fixed problem which caused complex outer joins to produce wrong results 2002-10-12 19:46:29 +00:00
skidder
b4cb6b07ff Fixed problem which caused complex outer joins to produce wrong results 2002-10-12 19:39:19 +00:00
skidder
6d64014e57 Changed engine to store source file name/line number information for EVERY allocation when DEBUG_GDS_ALLOC is defined. All allocation should be done using FB_NEW or FB_NEW_RPT macros instead of keyword new since now 2002-09-25 17:12:16 +00:00
eku
4eaf8c0914 Autoconf cleanup: 
o since the define 'VAX' was only used to tell that the byte order is
   LITTLE_ENDIAN (it have nothing else to do with the VAX computer family)
   it can safely replaced with '!WORDS_BIGENDIAN'.
 o check if pointers are 64 bit
 o replaced HAS_64BIT_POINTERS with 'SIZEOF_VOID_P == 8'
 2002-09-17 05:58:40 +00:00
skidder
f1b4c04d42 Added nulls first/last support 2002-09-10 18:34:00 +00:00
skywalker
d89b1a0842 Changes to make fb2 compile super version for linux 2002-07-29 15:37:59 +00:00
skywalker
82d8017317 Merged change from fb1. 2002-07-01 16:59:09 +00:00
dimitr
67fd70aa1d Fixed bug with uninitialized local variables. Thanks to Oleg LOA. 2002-06-20 10:10:28 +00:00
dimitr
c5f50577cb 1. New system variables - CONNECTION_ID and TRANSACTION_ID 
2. Universal triggers
 2002-06-14 12:09:37 +00:00
bellardo
895801a449 Changes to bring intl support to FB2. 2002-06-04 19:56:16 +00:00
bellardo
773836f1b1 Finished removal of setjmp/longjmp code, and fixed a handful of FB1->FB2 
porting bugs.
 2002-04-04 07:10:40 +00:00
skywalker
a887af3646 Changes to make it compile on linux. 
and work through a few issues.
 2002-01-04 11:34:22 +00:00
tamlin
80f7fb6dd4 New C++ memory pool 2001-12-24 02:51:06 +00:00
skywalker
365a7fe19c Changes to compile fb2 under autoconf includes some structural changes 2001-07-29 17:42:23 +00:00
tamlin
9a776a604e First steps towards a C++ conversion. 2001-05-23 13:26:42 +00:00