/* // // ISAM - build file cluster // */ int tcob_build_vbidx(struct file_desc *f) { int r=0, i=0, ifilehandle, iresult, imode; tcb_fileio_vbidx_handle *h; struct keydesc *wkeydesc; #ifdef DEBUG_FILEISAM_RTS8 fprintf(stderr, "debug : tcob_build_vbidx 010.040 : f->filename=%s, f->flags.file_isvariable=%d;\n", f->filename, f->flags.file_isvariable); #endif h = (tcb_fileio_vbidx_handle *)f->dbp; if (f->flags.file_isvariable == 1) { imode = ISINOUT+ISVARLEN+ISEXCLLOCK; isreclen = f->reclen_min; } else { imode = ISINOUT+ISFIXLEN+ISEXCLLOCK; } wkeydesc = h->skeydesc; /* Define ISAM file - define primary key */ ifilehandle = isbuild(f->filename, f->reclen, wkeydesc, imode); #ifdef DEBUG_FILEISAM_RTS8 fprintf(stderr, "debug : tcob_build_vbidx 010.060 : f->filename=%s, f->reclen=%d, ifilehandle=%d;\n", f->filename, f->reclen, ifilehandle); #endif if (ifilehandle < 0) { r = tcob_eisam2ecob(0); return (r); } /* Define ISAM file - define secondary keys */ for (i=1; i < f->nkeys; i++) { wkeydesc = h->skeydesc + i; iresult = isaddindex(ifilehandle, wkeydesc); if (iresult != 0) { r = tcob_eisam2ecob(0); iresult = isclose(ifilehandle); iserase (f->filename); return (r); } } iresult = isclose(ifilehandle); if (iresult != 0) { r = tcob_eisam2ecob(0); iserase (f->filename); return (r); } h->ifilehandle = ifilehandle; #ifdef DEBUG_FILEISAM_RTS8 fprintf(stderr, "debug : tcob_build_vbidx 010.080 : r=%d;\n", r); #endif RETURN_STATUS(r); }
int main (int iArgc, char **ppcArgv) { int iResult, iLoop, iLoop2, iLoop3, iHandle; unsigned char cRecord [256]; struct keydesc sKeydesc; char cLogfileName [100], cCommand [100]; char cFileName [] = "IsamTest"; memset (&sKeydesc, 0, sizeof (sKeydesc)); sKeydesc.k_flags = COMPRESS; sKeydesc.k_nparts = 1; sKeydesc.k_start = 0; sKeydesc.k_leng = 2; sKeydesc.k_type = CHARTYPE; if (iArgc == 1) { printf ("Usage:\n\t%s create\nOR\n\t%s <#iterations>\n", ppcArgv [0], ppcArgv [0]); exit (1); } if (iArgc > 1 && strcmp (ppcArgv [1], "create") == 0) { iserase (cFileName); iHandle = isbuild (cFileName, 255, &sKeydesc, ISINOUT+ISFIXLEN+ISEXCLLOCK); if (iHandle < 0) { printf ("Error creating database: %d\n", iserrno); exit (-1); } sKeydesc.k_flags |= ISDUPS; sKeydesc.k_start = 3; sKeydesc.k_leng = 4; for (sKeydesc.k_start = 1; sKeydesc.k_start < 2; sKeydesc.k_start++) { if (isaddindex (iHandle, &sKeydesc)) { printf ("Error %d adding index %d\n", iserrno, sKeydesc.k_start); } } isclose (iHandle); sprintf (cLogfileName, "RECOVER"); #ifdef _WIN32 sprintf (cCommand, "del /f /q %s", cLogfileName); #else sprintf (cCommand, "rm -f %s; touch %s", cLogfileName, cLogfileName); #endif system (cCommand); return (0); } sprintf (cLogfileName, "RECOVER"); #ifdef _WIN32 iResult = open("RECOVER", O_CREAT | O_TRUNC | O_RDWR | O_BINARY, 0666); #else iResult = open("RECOVER", O_CREAT | O_TRUNC | O_RDWR, 0666); #endif close(iResult); iResult = islogopen (cLogfileName); if (iResult < 0) { printf ("Error opening log: %d\n", iserrno); exit (-1); } /* srand (time (NULL)); */ srand (9); for (iLoop = 0; iLoop < atoi (ppcArgv [1]); iLoop++) { if (!(iLoop % 100)) { printf ("iLoop=%d\n", iLoop); fflush(stdout); } iVBDlCount = 0; iVBRdCount = 0; iVBUpCount = 0; iVBWrCount = 0; iResult = isbegin (); if (iResult < 0) { printf ("Error begin transaction: %d\n", iserrno); exit (-1); } iHandle = isopen (cFileName, ISINOUT+ISFIXLEN+ISTRANS+ISAUTOLOCK); if (iHandle < 0) { printf ("Error opening database: %d\n", iserrno); exit (-1); } for (iLoop2 = 0; iLoop2 < 100; iLoop2++) { for (iLoop3 = 0; iLoop3 < 256; iLoop3++) { cRecord [iLoop3] = rand () % 256; } iResult =rand () % 4; /* fprintf(stderr, "I %d\n", iResult); */ switch (iResult) { case 0: if ((iResult = iswrite (iHandle, (char *) cRecord)) != 0) { if (iserrno != EDUPL && iserrno != ELOCKED) { printf ("Error writing: %d\n", iserrno); goto err; } } else { iVBWrCount++; } break; case 1: if ((iResult = isread (iHandle, (char *)cRecord, ISEQUAL)) != 0) { if (iserrno == ELOCKED) { ; /* printf ("Locked during deletion\n"); */ } else if (iserrno != ENOREC) { printf ("Error reading: %d\n", iserrno); goto err; } } else { iVBRdCount++; } break; case 2: for (iLoop3 = 0; iLoop3 < 256; iLoop3++) { cRecord [iLoop3] = rand () % 256; } if ((iResult = isrewrite (iHandle, (char *)cRecord)) != 0) { if (iserrno == ELOCKED) { ; /* printf ("Locked during rewrite\n"); */ } else if (iserrno != ENOREC) { printf ("Error rewriting: %d\n", iserrno); goto err; } } else { iVBUpCount++; } break; case 3: if ((iResult = isdelete (iHandle, (char *)cRecord)) != 0) { if (iserrno == ELOCKED) { ; /* printf ("Locked during deletion\n"); */ } else if (iserrno != ENOREC) { printf ("Error deleting: %d\n", iserrno); goto err; } } else iVBDlCount++; break; } } iResult = isflush (iHandle); if (iResult < 0) { printf ("Error flush: %d\n", iserrno); exit (-1); } iResult = isclose (iHandle); if (iResult < 0) { printf ("Error closing database: %d\n", iserrno); exit (-1); } iVBDlTotal += iVBDlCount; iVBRdTotal += iVBRdCount; iVBUpTotal += iVBUpCount; iVBWrTotal += iVBWrCount; switch (rand () % 2) { case 0: iVBDlCommit += iVBDlCount; iVBRdCommit += iVBRdCount; iVBUpCommit += iVBUpCount; iVBWrCommit += iVBWrCount; iResult = iscommit (); if (iResult < 0) { printf ("Error commit: %d\n", iserrno); exit (-1); } break; case 1: iResult = isrollback (); if (iResult < 0) { if (iserrno == EDUPL || iserrno == ENOREC) { printf ("Same BUG (%d) as in C-ISAM!\n", iserrno); } else { printf ("Error rollback: %d\n", iserrno); exit (-1); } } break; } } err: printf (" Total Commited\n"); printf (" -------- --------\n"); printf ("Delete Count: %8d %8d\n", iVBDlTotal, iVBDlCommit); printf ("Read Count: %8d %8d\n", iVBRdTotal, iVBRdCommit); printf ("Update Count: %8d %8d\n", iVBUpTotal, iVBUpCommit); printf ("Write Count: %8d %8d\n", iVBWrTotal, iVBWrCommit); printf (" -------- --------\n"); printf ("OPS OVERALL : %8d %8d\n", (iVBDlTotal + iVBRdTotal + iVBUpTotal + iVBWrTotal), (iVBDlCommit + iVBRdCommit + iVBUpCommit + iVBWrCommit)); printf (" ========\n"); printf ("ROWS ADDED THIS RUN: %8d\n", (iVBWrCommit - iVBDlCommit)); printf (" ========\n"); return (iResult); }
int idxopen (unit *ftnunit, char *name, int create, flag idxerr) { struct dictinfo info; int mode =(ftnunit->ureadonly ? ISINPUT : ISINOUT) + (ftnunit->ushared ? ISAUTOLOCK : ISEXCLLOCK); register int i; keys = ftnunit->ukeys; if (create) { if (ftnunit->url == 0) err (idxerr, 153, "indexed open"); if (ftnunit->unkeys == 0 || keys == NULL) err (idxerr, 161, "indexed open"); onekey.k_flags = ISNODUPS; KEYOFF (0)--; KEYEND (0)--; dokey (0, ONEKEY); if (ftnunit->unkeys == 1) { /* DLAI: need to change isbuild 2nd arg to XINT */ if ((ftnunit->isfd = isbuild (name, ftnunit->url, &onekey, mode)) < SUCCESS) ierr (idxerr, iserrno, "indexed open"); } else { if ((ftnunit->isfd = isbuild (name, ftnunit->url, &onekey, ISINOUT + ISEXCLLOCK)) < SUCCESS) ierr (idxerr, iserrno, "indexed open"); onekey.k_flags = ISDUPS; for (i = 1; i < ftnunit->unkeys; i++) { KEYOFF (i)--; KEYEND (i)--; dokey (i, ONEKEY); if (isaddindex (ftnunit->isfd, &onekey) < SUCCESS) ierr (idxerr, iserrno, "indexed open"); } if (ftnunit->ushared) { if (isclose (ftnunit->isfd) < SUCCESS) ierr (idxerr, iserrno, "indexed open"); if ((ftnunit->isfd = isopen (name, mode)) < SUCCESS) ierr (idxerr, iserrno, "indexed open"); } } } else { if ((ftnunit->isfd = isopen (name, mode)) < SUCCESS) ierr (idxerr, iserrno, "indexed open"); if (isindexinfo (ftnunit->isfd, &info, 0) < SUCCESS) ierr (idxerr, iserrno, "indexed open"); if (ftnunit->unkeys != info.di_nkeys) { if (ftnunit->unkeys) { err (idxerr, 148, "indexed open"); } else ftnunit->unkeys = info.di_nkeys; } if (!keys) keys = (Keyspec *) malloc (sizeof (Keyspec) * info.di_nkeys); for (i = 0; i < info.di_nkeys; i++) { if (isindexinfo (ftnunit->isfd, &onekey, i + 1) < SUCCESS) ierr (idxerr, iserrno, "indexed open"); /* LHL 5/4/89 * To fix bug 4428, problem about trying to open an existing indexed file. * This is put here because when the indexed file is created, the keys * are being stored like this. Refer to the above code. */ KEYOFF (i)--; KEYEND (i)--; /* end of fix */ if (ftnunit->ukeys && dokey (i, NOMATCH)) { err (idxerr, 148, "indexed open"); } else dokey (i, UNITKEY); } ftnunit->url = info.di_recsize; ftnunit->ukeys = keys; } return SUCCESS; }