search for: thishandl

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2005 Nov 16
1
RODBC and Very long field lengths
...ng to retrieve a string from a very long memo field (512*20*9=9360 characters = 74880 bytes) in an MSAccess database. It appears that RODBC set a maximum buffer size for a single column of 65535 bytes. ########## cut from RODBC.c ########## } else { /* transfer as character */ int datalen = thisHandle->ColData[i].ColSize; if (datalen <= 0 || datalen < COLMAX) datalen = COLMAX; /* sanity check as the reports are sometimes unreliable */ if (datalen > 65535) datalen = 65535; ###################################### Can I increase this by just changeing the value in RODBC....
2008 Jul 14
0
RODBC Seg Fault
...GSEGV, Segmentation fault. [Switching to Thread -1208248640 (LWP 14060)] 0x08059036 in R_ClearExternalPtr (s=0x0) at memory.c:2445 2445 memory.c: No such file or directory. in memory.c (gdb) bt #0 0x08059036 in R_ClearExternalPtr (s=0x0) at memory.c:2445 #1 0x006b17cb in inRODBCClose (thisHandle=0x8c1f358) at RODBC.c:1250 #2 0x006b190d in chanFinalizer (ptr=0x9100380) at RODBC.c:1271 #3 0x0805b6eb in R_RunWeakRefFinalizer (w=0x90da4f8) at memory.c:1062 #4 0x0805b810 in RunFinalizers () at memory.c:1107 #5 0x0805cf17 in R_gc_internal (size_needed=1) at memory.c:2205 #6 0x0805da69 in R...
2006 Feb 27
4
prepared query with RODBC ?
Dear List, Would anyone know how to perform prepared queries with ROBC ? I had a shot with some of the internal (non-exported) functions of the package but ended up with a segfault, so I prefer asking around before experimenting further... Thanks, Laurent