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Author SHA1 Message Date
Evan Miller b36f2bff1d Merge branch 'master' into backend-thread-safety 2020-08-20 15:22:52 -04:00
Evan Miller 0f017883f6 Merge pull request #33 from evanmiller/remove-dmalloc 
Remove references to dmalloc
 2020-08-20 15:22:17 -04:00
Evan Miller 90ee7bfcb5 Remove references to dmalloc 
There are more modern tools for memory debugging, get rid of DMALLOC
crap in the source code.

I've left one reference in backend.c to prevent a merge conflict but
this can be removed later.
 2020-08-20 08:59:08 -04:00
Evan Miller 452cd29343 Get rid of more static memory 
* Replace backend_is_init (formerly is_init) with relationships_table

* Remove deprecated functions that used static variables

* Move static "bound" variable to MdbHandle as relationships_values
 2020-08-20 08:47:13 -04:00
Evan Miller 588663675e Move backend dictionary and state to MdbHandle 
Attempt to make the backend handling logic thread-safe. This removes the
last MDB_CONSTRUCTOR. Also get rid of some JAVA junk and make the
remaining static variables in backend.c constant. Finally remove some
obsolete fields from MdbFile.
 2020-08-20 07:58:53 -04:00
Evan Miller c2087a95cc Merge pull request #30 from nyalldawson/fix_28 
ODBC requires dates formatted in ISO standards
 2020-08-20 06:26:17 -04:00
Nyall Dawson d0ea8a9a86 ODBC requires dates formatted in ISO standards 2020-08-20 14:07:17 +10:00
Evan Miller 5d078838ed [API break] Make date/boolean formats thread safe 
Store the preferred date and boolean formats in the MdbHandle rather
than in global memory.
 2020-08-19 21:26:06 -04:00
Evan Miller 7b51824c89 Consolidate / fix UUID formatting 2020-08-19 20:53:35 -04:00
Evan Miller 2887fa49ed Merge pull request #24 from evanmiller/odbc-thread-safety 
Make the ODBC driver thread-safe. Multiple simultaneous handles should work fine now, but individual handles should only be used by one thread at at time.
 2020-08-19 19:55:29 -04:00
Evan Miller 673c7700b9 Store OLE strings on the statement object 
Also cut MDB_OLE out into its own code path. This removes the last of
the global / thread-local storage in the ODBC driver, I think.
 2020-08-19 19:24:40 -04:00
Evan Miller 55e0d4ff07 Store sqlState separtely on ODBC env / handle / stmts 
Also fix the fact that "08001" was always returned by SQLError instead
of the actual SQL state.
 2020-08-19 17:34:57 -04:00
Evan Miller 00b3ab9571 Store statement and handle errors separately 2020-08-19 17:22:54 -04:00
Evan Miller a84c07980f Make lastError thread-safe 2020-08-19 17:03:06 -04:00
Evan Miller e67c8e6d52 Remove obsolete comment about thread safety 2020-08-19 16:32:13 -04:00
Evan Miller 3d63f16fc0 Fix errors 
It helps to enable ODBC when testing ODBC :-P
 2020-08-19 16:16:25 -04:00
Evan Miller 684fa55781 Fix unused variable warning 2020-08-19 15:50:57 -04:00
Evan Miller 9020ca9a1e Attempt to make the ODBC driver thread-safe 
I'm not sure if this is a complete solution - some of the global state
has been moved to thread-local storage. So passing an ODBC handle across
threads may have unexpected results. But at least it's not global state.

Each ODBC handle now has its own iconv_t object.

See #23
 2020-08-19 15:35:02 -04:00
Evan Miller 1ad0dd2d8b Simplify code 2020-08-18 21:20:40 -04:00
Evan Miller 008b3b462b Merge pull request #22 from nyalldawson/no_crash 
Don't crash when a table can't be read for some reason
 2020-08-18 21:10:52 -04:00
Evan Miller ab1a253f45 Merge pull request #21 from nyalldawson/fix_19 
Fix empty table results
 2020-08-18 21:10:11 -04:00
Nyall Dawson 40981d2fc6 Only handle tables in SQLColumns, not other objects 2020-08-19 10:50:12 +10:00
Nyall Dawson b72ac6b1c0 Don't crash when a table can't be read for some reason 2020-08-19 10:44:17 +10:00
Nyall Dawson 333f4712b9 Fix empty table results 
Fixes #19
 2020-08-19 10:28:01 +10:00
Evan Miller 463fd0af11 Make thread-safety a goal, why not 2020-08-18 12:59:56 -04:00
Evan Miller ea368bc0e3 Require Bison 3.0+ at configure time for SQL features 2020-08-18 10:02:56 -04:00
Evan Miller 2a808d8d05 Fix Travis Mac GCC configurations 2020-08-18 09:34:39 -04:00
Evan Miller 5758cd6861 Try fixing Mac build with explicit Yacc output file 2020-08-18 09:06:17 -04:00
Evan Miller 60c820245d Only set -Wno-yacc if $YACC supports it 2020-08-18 09:05:33 -04:00
Evan Miller 83666459d2 Add test coverage for mdb-sql 2020-08-18 09:04:20 -04:00
Evan Miller 78707f7aa3 Remove second -d flag 2020-08-18 07:48:54 -04:00
Evan Miller ec8492f1ee Try fixing Travis and Appveyor 
The new re-entrant parser requires Bison 3, which is not installed
on macOS by default. It also appears to require -Wno-yacc.
 2020-08-18 07:32:15 -04:00
Evan Miller 858e1dff49 Merge pull request #16 from nyalldawson/reentrant 
Make SQL parser/lexer reentrant
 2020-08-18 07:20:35 -04:00
Evan Miller 1e983c70f1 Merge pull request #18 from nyalldawson/fix_limit 
Fix LIMIT clause is ignored when executing SQL via ODBC, incorrect behavior with LIMIT 0
 2020-08-18 07:02:00 -04:00
Evan Miller 91c6d3048c Merge pull request #17 from nyalldawson/fix_leak 
Fix leak after running "SELECT COUNT(*)..." sql query
 2020-08-18 06:56:21 -04:00
Nyall Dawson 44529052be Try using homebrew version of bison 2020-08-18 15:21:36 +10:00
Nyall Dawson 083ec7f9e4 SELECT ... LIMIT 0 should return no rows, not all rows 2020-08-18 14:54:38 +10:00
Nyall Dawson 4e3ed3a5fd Fix LIMIT clause is ignored when executing SQL via ODBC 2020-08-18 14:54:19 +10:00
Nyall Dawson e82c1e9e1b Fix another leak 2020-08-18 14:36:44 +10:00
Nyall Dawson e8ab7e7ea6 Fix leak after running "SELECT COUNT(*)..." sql query 2020-08-18 12:36:29 +10:00
Nyall Dawson c65b402348 Fix leak after running "SELECT COUNT(*)..." sql query 2020-08-18 12:31:38 +10:00
Nyall Dawson 86741f4614 More thread safety 2020-08-18 12:28:20 +10:00
Nyall Dawson e92f14f9c4 Make SQL parser/lexer reentrant 
Provides thread safety for mdbtools ODBC driver
 2020-08-18 12:23:04 +10:00
Evan Miller 4cc7999022 Replace obsolete AC_TRY_LINK with AC_LINK_IFELSE 2020-08-14 07:18:23 -04:00
Evan Miller 6171472411 Change -Bsymbolic-functions to -Wl,-Bsymbolic-functions 2020-08-14 00:12:07 -04:00
Evan Miller dfd41f2283 Try fixing unixODBC deadlock with -Bsymbolic-functions 
This flag compels the dynamic library to prefer its own function symbols
to those in the global symbol table. This behavior should let us
directly call SQL* functions from inside other SQL* functions without
fear of interference by the host program.
 2020-08-13 21:52:03 -04:00
Evan Miller 4f330ea6be Enable GCC 10 on Travis 2020-08-13 06:44:05 -04:00
Evan Miller 2629ce5136 Appveyor fix 2020-08-13 06:44:00 -04:00
Evan Miller 3c6c8e07db Make mdb-count case-insensitive to table names 
This matches the behavior of mdb-export. Thanks to Nicholas Crookston.
 2020-08-13 06:32:41 -04:00
Evan Miller 4bde3609c1 Remove ODBC from appveyor for now 
Nothing seems to be working :-(
 2020-08-13 06:31:20 -04:00