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1.1 parser 1: /** @file
2: Parser Oracle driver.
3:
1.29 paf 4: Copyright(c) 2001, 2003 ArtLebedev Group (http://www.artlebedev.com)
1.1 parser 5:
1.19 paf 6: Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru)
1.1 parser 7:
8: 2001.07.30 using Oracle 8.1.6 [@test tested with Oracle 7.x.x]
9: */
1.48 ! paf 10: static const char *RCSId="$Id: parser3oracle.C,v 1.47 2003/12/24 12:29:56 paf Exp $";
1.1 parser 11:
12: #include "config_includes.h"
13:
14: #include "pa_sql_driver.h"
15:
16: #include <oci.h>
17:
18: #define MAX_COLS 500
19: #define MAX_IN_LOBS 5
20: #define MAX_LOB_NAME_LENGTH 100
21: #define MAX_OUT_STRING_LENGTH 4000
22:
23: #define EMPTY_CLOB_FUNC_CALL "empty_clob()"
24:
25: #include "ltdl.h"
26:
27: #define MAX_STRING 0x400
28: #define MAX_NUMBER 20
29:
30: #if _MSC_VER
31: # define snprintf _snprintf
32: # define strcasecmp _stricmp
33: # define strncasecmp _strnicmp
34: #endif
35:
36: #ifndef max
37: inline int max(int a, int b) { return a>b?a:b; }
38: inline int min(int a, int b){ return a<b?a:b; }
39: #endif
40:
1.45 paf 41: #if _MSC_VER
42: // interaction between '_setjmp' and C++ object destruction is non-portable
43: // but we forced to do that under HPUX
44: #pragma warning(disable:4611)
45: #endif
46:
1.33 paf 47: /// @todo small memory leaks here
1.10 paf 48: static int pa_setenv(const char *name, const char *value, bool do_append) {
49: const char *prev_value=0;
50: if(do_append)
51: prev_value=getenv(name);
1.4 paf 52: #ifdef HAVE_PUTENV
53: // MEM_LEAK_HERE. refer to EOF man putenv
1.10 paf 54: char *buf=(char *)::malloc(strlen(name)
55: +1
56: +(prev_value?strlen(prev_value):0)
57: +strlen(value)
58: +1);
1.4 paf 59: strcpy(buf, name);
60: strcat(buf, "=");
1.10 paf 61: if(prev_value)
62: strcat(buf, prev_value);
1.4 paf 63: strcat(buf, value);
1.5 paf 64: /*
65: if(FILE *f=fopen("f", "at")) {
66: fprintf(f, "****************************%s\n", buf);
67: // for (char **env = environ; env != NULL && *env != NULL; env++)
68: // fputs(*env, f);
69:
70: fclose(f);
71: }
72: */
1.4 paf 73: return putenv(buf);
74: #else
75: //#ifdef HAVE_SETENV
1.10 paf 76: if(value) {
77: if(prev_value) {
78: // MEM_LEAK_HERE
1.33 paf 79: char *buf=(char *)::malloc(strlen(prev_value)
1.10 paf 80: +strlen(value)
81: +1);
82: strcpy(buf, prev_value);
83: strcat(buf, value);
1.24 paf 84: value=buf;
85: }
1.10 paf 86:
1.24 paf 87: return setenv(name, value, 1/*overwrite*/);
1.10 paf 88: } else {
1.4 paf 89: unsetenv(name);
90: return 0;
91: }
92: #endif
93: }
94:
1.1 parser 95: static char *lsplit(char *string, char delim) {
96: if(string) {
97: char *v=strchr(string, delim);
98: if(v) {
99: *v=0;
100: return v+1;
101: }
102: }
103: return 0;
104: }
105:
1.4 paf 106: static char *lsplit(char **string_ref, char delim) {
107: char *result=*string_ref;
108: char *next=lsplit(*string_ref, delim);
109: *string_ref=next;
110: return result;
111: }
112:
1.1 parser 113: #ifndef DOXYGEN
114: struct OracleSQL_connection_struct {
1.42 paf 115: SQL_Driver_services *services;
116:
1.1 parser 117: jmp_buf mark; char error[MAX_STRING];
1.27 paf 118: SQL_Error sql_error;
1.1 parser 119: OCIEnv *envhp;
120: OCIServer *srvhp;
121: OCIError *errhp;
122: OCISvcCtx *svchp;
123: OCISession *usrhp;
1.39 paf 124:
1.46 paf 125: char* fetch_buffers[MAX_COLS];
126:
1.42 paf 127: struct Options {
128: bool bLowerCaseColumnNames;
129: const char* cstrClientCharset;
130: } options;
1.1 parser 131: };
132:
133: struct OracleSQL_query_lobs {
134: struct return_rows {
135: struct return_row {
136: OCILobLocator *locator; ub4 len;
137: int ind;
138: ub2 rcode;
139: } *row;
140: int count;
141: };
142: struct cbf_context_struct {
143: OracleSQL_connection_struct *cs;
144: return_rows *rows;
145: };
146: struct Item {
147: const char *name_ptr; size_t name_size;
148: char *data_ptr; size_t data_size;
149: OCILobLocator *locator;
150: OCIBind *bind;
151: return_rows rows;
152: } items[MAX_IN_LOBS];
153: int count;
154: };
155: #endif
156:
157: // forwards
1.27 paf 158: void check(OracleSQL_connection_struct &cs, const char *step, sword status);
159: void check(OracleSQL_connection_struct &cs, bool error);
1.1 parser 160: static sb4 cbf_no_data(
161: dvoid *ctxp,
162: OCIBind *bindp,
163: ub4 iter, ub4 index,
164: dvoid **bufpp,
165: ub4 *alenpp,
166: ub1 *piecep,
167: dvoid **indpp);
168: static sb4 cbf_get_data(dvoid *ctxp,
169: OCIBind *bindp,
170: ub4 iter, ub4 index,
171: dvoid **bufpp,
172: ub4 **alenp,
173: ub1 *piecep,
174: dvoid **indpp,
175: ub2 **rcodepp);
1.38 paf 176: void tolower(char *out, const char *in, size_t size);
1.44 paf 177: void toupper(char *out, const char *in, size_t size);
1.1 parser 178:
1.42 paf 179: static const char *options2env(char *s, OracleSQL_connection_struct::Options* options) {
180: while(s) {
181: if(char *key=lsplit(&s, '&')) {
182: if(*key) {
183: if(char *value=lsplit(key, '=')) {
184: if( strcmp( key, "ClientCharset" ) == 0 ) {
1.44 paf 185: if(options) {
186: toupper(value, value, strlen(value));
1.42 paf 187: options->cstrClientCharset = value;
1.44 paf 188: }
1.42 paf 189: continue;
190: }
191:
192: if( strcmp( key, "LowerCaseColumnNames" ) == 0 ) {
193: if(options)
194: options->bLowerCaseColumnNames = atoi(value)!=0;
195: continue;
196: }
197:
198: bool do_append=key[strlen(key)-1]=='+'; // PATH+=
199: if(do_append)
200: key[strlen(key)-1]=0; // remove trailing +
201: if(strncmp(key, "ORACLE_", 7)==0 // ORACLE_HOME & co
202: || strncmp(key, "ORA_", 4)==0 // ORA_ENCRYPT_LOGIN & co
203: || strncmp(key, "NLS_", 4)==0 // NLS_LANG & co
204: || do_append
205: ) {
206: if(pa_setenv(key, value, do_append)!=0)
207: return "problem changing process environment" /*key*/;
208: } else
209: return "unknown option" /*key*/;
210: } else
211: return "option without =value" /*key*/;
212: }
213: }
214: }
215: return 0;
216: }
217:
1.1 parser 218: /**
219: OracleSQL server driver
220: */
221: class OracleSQL_Driver : public SQL_Driver {
222: public:
223:
224: OracleSQL_Driver() : SQL_Driver() {
225: }
226:
227: /// get api version
228: int api_version() { return SQL_DRIVER_API_VERSION; }
1.6 paf 229: /** initialize driver by loading sql dynamic link library
230: @todo ?objects=1 which would turn on OCI_OBJECT init flag
231: */
1.5 paf 232: const char *initialize(char *dlopen_file_spec) {
233: char *options=lsplit(dlopen_file_spec, '?');
1.1 parser 234:
235: const char *error=dlopen_file_spec?
236: dlink(dlopen_file_spec):"client library column is empty";
237: if(!error) {
1.39 paf 238: error=options2env(options, 0);
1.1 parser 239:
1.5 paf 240: if(!error)
241: OCIInitialize((ub4)OCI_THREADED/*| OCI_OBJECT*/, (dvoid *)0,
242: (dvoid * (*)(void *, unsigned int))0,
243: (dvoid * (*)(void*, void*, unsigned int))0,
244: (void (*)(void*, void*))0
245: );
1.1 parser 246: }
247:
248: return error;
249: }
250:
251: /** connect
252: @param used_only_in_connect_url
1.4 paf 253: format: @b user:pass@service?
254: ORACLE_HOME=/u01/app/oracle/product/8.1.5&
1.5 paf 255: ORA_NLS33=/u01/app/oracle/product/8.1.5/ocommon/nls/admin/data&
1.4 paf 256: NLS_LANG=RUSSIAN_AMERICA.CL8MSWIN1251&
257: ORA_ENCRYPT_LOGIN=TRUE
258:
259: @todo environment manupulation doesnt look thread safe
1.1 parser 260: */
261: void connect(
262: char *used_only_in_connect_url,
263: SQL_Driver_services& services,
264: void **connection ///< output: OracleSQL_connection_struct *
265: ) {
266: // connections are cross-request, do not use services._alloc [linked with request]
267: OracleSQL_connection_struct &cs=
268: *(OracleSQL_connection_struct *)::calloc(sizeof(OracleSQL_connection_struct), 1);
1.42 paf 269: cs.services=&services;
270: cs.options.bLowerCaseColumnNames = true;
1.1 parser 271:
272: char *user=used_only_in_connect_url;
273: char *service=lsplit(user, '@');
274: char *pwd=lsplit(user, ':');
1.4 paf 275: char *options=lsplit(service, '?');
1.1 parser 276:
277: if(!(user && pwd && service))
278: services._throw("mailformed connect part, must be 'user:pass@service'");
279:
1.42 paf 280: if(const char *error=options2env(options, &cs.options))
1.5 paf 281: services._throw(error);
1.4 paf 282:
1.1 parser 283: if(setjmp(cs.mark))
284: services._throw(cs.error);
285:
286: // Allocate and initialize OCIError handle, attempt #1
287: /*
288: grabbed from sample
289: /server.804/a58234/oci_func.htm#446192
290: but doc
291: /server.804/a58234/oci_func.htm#446100
292: doesnt have this param listed as allowed
293: 8.1.6 client library barks as OCI_INVALID_HANDLE
294: and debugging revealed that OCI_HTYPE_ENV param value is invalid
295: later in doc
296: /server.804/a58234/oci_func.htm#446192
297: on OCIEnvInit thay say
298: "No changes are done to an already initialized handle"
299: think, this is some sort of backward compatibility wonder.
300: leaving as it is, and without check()
301: */
302: OCIHandleAlloc((dvoid *)NULL, (dvoid **) &cs.envhp, (ub4)OCI_HTYPE_ENV, 0, 0);
303: // Initialize an environment handle, attempt #2
1.27 paf 304: check(cs, "EnvInit", OCIEnvInit(
1.1 parser 305: &cs.envhp, (ub4)OCI_DEFAULT, 0, 0));
306: // Allocate and initialize OCIError handle
1.27 paf 307: check(cs, "HandleAlloc errhp", OCIHandleAlloc(
1.1 parser 308: (dvoid *)cs.envhp, (dvoid **) &cs.errhp, (ub4)OCI_HTYPE_ERROR, 0, 0));
309: // Allocate and initialize OCIServer handle
1.27 paf 310: check(cs, "HandleAlloc srvhp", OCIHandleAlloc(
1.1 parser 311: (dvoid *)cs.envhp, (dvoid **) &cs.srvhp, (ub4)OCI_HTYPE_SERVER, 0, 0));
312: // Attach to a 'service'; initialize server context handle
1.27 paf 313: check(cs, "ServerAttach", OCIServerAttach(
1.1 parser 314: cs.srvhp, cs.errhp, (text *)service, (sb4)strlen(service), (ub4)OCI_DEFAULT));
315: // Allocate and initialize OCISvcCtx handle
1.27 paf 316: check(cs, "HandleAlloc svchp", OCIHandleAlloc(
1.1 parser 317: (dvoid *)cs.envhp, (dvoid **) &cs.svchp, (ub4)OCI_HTYPE_SVCCTX, 0, 0));
318: // set attribute server context in the service context
1.27 paf 319: check(cs, "AttrSet server-service", OCIAttrSet(
1.1 parser 320: (dvoid *)cs.svchp, (ub4)OCI_HTYPE_SVCCTX,
321: (dvoid *)cs.srvhp, (ub4)0,
322: (ub4)OCI_ATTR_SERVER, (OCIError *)cs.errhp));
323: // allocate a user context handle
1.27 paf 324: check(cs, "HandleAlloc usrhp", OCIHandleAlloc(
1.1 parser 325: (dvoid *)cs.envhp, (dvoid **)&cs.usrhp, (ub4)OCI_HTYPE_SESSION, 0, 0));
326: // set 'user' name
1.27 paf 327: check(cs, "AttrSet user-session", OCIAttrSet(
1.1 parser 328: (dvoid *)cs.usrhp, (ub4)OCI_HTYPE_SESSION,
329: (dvoid *)user, (ub4)strlen(user),
330: OCI_ATTR_USERNAME, cs.errhp));
331: // set 'pwd' password
1.27 paf 332: check(cs, "AttrSet pwd-session", OCIAttrSet(
1.1 parser 333: (dvoid *)cs.usrhp, (ub4)OCI_HTYPE_SESSION,
334: (dvoid *)pwd, (ub4)strlen(pwd),
335: OCI_ATTR_PASSWORD, cs.errhp));
336: // Authenticate a user
1.27 paf 337: check(cs, "SessionBegin", OCISessionBegin(
1.1 parser 338: cs.svchp, cs.errhp, cs.usrhp,
339: OCI_CRED_RDBMS, OCI_DEFAULT));
340: // remember connection in session
1.27 paf 341: check(cs, "AttrSet service-session", OCIAttrSet(
1.1 parser 342: (dvoid *)cs.svchp, (ub4)OCI_HTYPE_SVCCTX,
343: (dvoid *)cs.usrhp, (ub4)0,
344: OCI_ATTR_SESSION, cs.errhp));
345:
346: // return created connection
347: *(OracleSQL_connection_struct **)connection=&cs;
348: }
349: void disconnect(void *connection) {
350: OracleSQL_connection_struct &cs=*(OracleSQL_connection_struct *)connection;
1.47 paf 351:
352: // free fetch buffers
353: for(int i=0; i<MAX_COLS; i++) {
354: if(void* fetch_buffer=cs.fetch_buffers[i])
355: ::free(fetch_buffer);
356: else
357: break;
358: }
359:
1.1 parser 360: // Terminate a user session
361: OCISessionEnd(
362: cs.svchp, cs.errhp, cs.usrhp, (ub4)OCI_DEFAULT);
363: // Detach from a server; uninitialize server context handle
364: OCIServerDetach(
365: cs.srvhp, cs.errhp, (ub4)OCI_DEFAULT);
366: // Free a previously allocated handles
367: /*
368: oci will free them up as belonging to env
369: OCIHandleFree(
370: (dvoid *)cs.srvhp, (ub4)OCI_HTYPE_SERVER);
371: OCIHandleFree(
372: (dvoid *)cs.svchp, (ub4)OCI_HTYPE_SVCCTX);
373: OCIHandleFree(
374: (dvoid *)cs.errhp, (ub4)OCI_HTYPE_ERROR);
375: */
376: OCIHandleFree(
377: (dvoid *)cs.envhp, (ub4)OCI_HTYPE_ENV);
378:
379: // connections are cross-request, do not use services._alloc [linked with request]
380: ::free(&cs);
381: }
1.42 paf 382: void commit(void *connection) {
1.1 parser 383: OracleSQL_connection_struct &cs=*(OracleSQL_connection_struct *)connection;
384: if(setjmp(cs.mark))
1.42 paf 385: cs.services->_throw(cs.error);
1.1 parser 386:
1.27 paf 387: check(cs, "commit", OCITransCommit(cs.svchp, cs.errhp, 0));
1.1 parser 388: }
1.42 paf 389: void rollback(void *connection) {
1.1 parser 390: OracleSQL_connection_struct &cs=*(OracleSQL_connection_struct *)connection;
391: if(setjmp(cs.mark))
1.42 paf 392: cs.services->_throw(cs.error);
1.1 parser 393:
1.42 paf 394: // sometimes rollback is done in context when this yields error which masks previous error
395: // consider consequent errors not very important to report, reporting first one
396: /*check(cs, "rollback", */OCITransRollback(cs.svchp, cs.errhp, 0)/*)*/;
1.1 parser 397: }
398:
1.45 paf 399: bool ping(void* /*connection*/) {
1.1 parser 400: // maybe OCIServerVersion?
1.4 paf 401: // select 0 from dual
1.1 parser 402: return true;
403: }
404:
1.42 paf 405: const char* quote(void *connection,
406: const char *from, unsigned int length)
407: {
408: OracleSQL_connection_struct &cs=*(OracleSQL_connection_struct *)connection;
409: char *result=(char*)cs.services->malloc_atomic(length*2+1);
1.32 paf 410: char *to=result;
411: while(length--) {
412: switch(*from) {
413: case '\'': // "'" -> "''"
1.35 paf 414: *to++='\'';
1.32 paf 415: break;
1.1 parser 416: }
1.32 paf 417: *to++=*from++;
418: }
419: *to=0;
420: return result;
1.1 parser 421: }
1.42 paf 422: void query(void *connection,
1.1 parser 423: const char *astatement, unsigned long offset, unsigned long limit,
1.42 paf 424: SQL_Driver_query_event_handlers& handlers)
425: {
1.1 parser 426: OracleSQL_connection_struct &cs=*(OracleSQL_connection_struct *)connection;
427: OracleSQL_query_lobs lobs={{0}, 0};
428: OCIStmt *stmthp=0;
429:
1.42 paf 430: SQL_Driver_services& services=*cs.services;
431:
432: // transcode from $request:charset to connect-string?client_charset
433: size_t transcoded_statement_size;
434: if(const char* cstrClientCharset=cs.options.cstrClientCharset)
435: services.transcode(astatement, strlen(astatement),
436: astatement, transcoded_statement_size,
437: services.request_charset(),
438: cstrClientCharset);
439:
1.1 parser 440: bool failed=false;
441: if(setjmp(cs.mark)) {
442: failed=true;
443: goto cleanup;
444: } else {
1.42 paf 445: const char *statement=preprocess_statement(cs, astatement, lobs);
1.1 parser 446:
1.27 paf 447: check(cs, "HandleAlloc STMT", OCIHandleAlloc(
1.1 parser 448: (dvoid *)cs.envhp, (dvoid **) &stmthp, (ub4)OCI_HTYPE_STMT, 0, 0));
1.27 paf 449: check(cs, "syntax",
1.1 parser 450: OCIStmtPrepare(stmthp, cs.errhp, (unsigned char *)statement,
451: (ub4)strlen((char *)statement),
452: (ub4)OCI_NTV_SYNTAX, (ub4)OCI_DEFAULT));
453: {
454: for(int i=0; i<lobs.count; i++) {
1.27 paf 455: check(cs, "alloc output var desc", OCIDescriptorAlloc(
1.1 parser 456: (dvoid *)cs.envhp, (dvoid **)&lobs.items[i].locator, (ub4)OCI_DTYPE_LOB, 0, 0));
457:
1.27 paf 458: check(cs, "bind output", OCIBindByPos(stmthp,
1.1 parser 459: &lobs.items[i].bind, cs.errhp,
460: (ub4)1+i,
461: (dvoid *)&lobs.items[i].locator,
462: (sword)sizeof (lobs.items[i].locator), SQLT_CLOB, (dvoid *)0,
463: (ub2 *)0, (ub2 *)0, (ub4)0, (ub4 *)0, OCI_DATA_AT_EXEC));
464:
465: lobs.items[i].rows.count=0;
1.42 paf 466: OracleSQL_query_lobs::cbf_context_struct cbf_context={&cs, &lobs.items[i].rows};
1.27 paf 467: check(cs, "bind dynamic", OCIBindDynamic(
1.1 parser 468: lobs.items[i].bind, cs.errhp,
469: (dvoid *) &cbf_context, cbf_no_data,
470: (dvoid *) &cbf_context, cbf_get_data));
471: }
472: }
473:
1.45 paf 474: execute_prepared(cs,
1.26 paf 475: statement, stmthp, lobs,
476: offset, limit, handlers);
1.1 parser 477: }
478: cleanup: // no check call after this point!
479: {
480: for(int i=0; i<lobs.count; i++) {
481: /* free var locator */
482: if(OCILobLocator *locator=lobs.items[i].locator)
483: OCIDescriptorFree((dvoid *)locator, (ub4)OCI_DTYPE_LOB);
484:
485: /* free rows descriptors */
486: OracleSQL_query_lobs::return_rows &rows=lobs.items[i].rows;
487: for(int r=0; r<rows.count; r++)
488: OCIDescriptorFree((dvoid *)rows.row[r].locator, (ub4)OCI_DTYPE_LOB);
489: }
490: }
491: if(stmthp)
492: OCIHandleFree((dvoid *)stmthp, (ub4)OCI_HTYPE_STMT);
493:
1.26 paf 494: if(failed) {
1.27 paf 495: if(cs.sql_error.defined())
496: services._throw(cs.sql_error);
1.1 parser 497: services._throw(cs.error);
1.26 paf 498: }
1.1 parser 499: }
500:
501: private: // private funcs
502:
1.42 paf 503: const char *preprocess_statement(OracleSQL_connection_struct &cs,
1.1 parser 504: const char *astatement, OracleSQL_query_lobs &lobs) {
505: size_t statement_size=strlen(astatement);
1.42 paf 506: SQL_Driver_services& services=*cs.services;
1.1 parser 507:
1.32 paf 508: char *result=(char *)services.malloc_atomic(statement_size
1.1 parser 509: +MAX_STRING // in case of short 'strings'
510: +11/* returning */+6/* into */+(MAX_LOB_NAME_LENGTH+2/*:, */)*2/*ret into*/*MAX_IN_LOBS
511: +1);
512: const char *o=astatement;
513:
514: // /**xxx**/'literal' -> EMPTY_CLOB_FUNC_CALL
515: char *n=result;
516: while(*o) {
517: if(
518: o[0]=='/' &&
519: o[1]=='*' &&
520: o[2]=='*') { // name start
1.34 paf 521: const char* saved_o=o;
1.1 parser 522: o+=3;
523: const char *name_begin=o;
524: while(*o)
525: if(
526: o[0]=='*' &&
527: o[1]=='*' &&
528: o[2]=='/' &&
529: o[3]=='\'') { // name end
1.34 paf 530: saved_o=0; // found, marking that
1.1 parser 531: const char *name_end=o;
532: o+=4;
533: OracleSQL_query_lobs::Item &item=lobs.items[lobs.count++];
534: item.name_ptr=name_begin; item.name_size=name_end-name_begin;
1.32 paf 535: item.data_ptr=(char *)services.malloc_atomic(statement_size/*max*/); item.data_size=0;
1.1 parser 536:
537: const char *start=o;
538: bool escaped=false;
539: while(*o && !(o[0]=='\'' && o[1]!='\'' && !escaped)) {
1.14 paf 540: escaped=o[0]=='\'' && o[1]=='\'';
1.1 parser 541: if(escaped) {
542: // write pending, skip "\" or "'"
543: if(size_t size=o-start) {
544: memcpy(item.data_ptr+item.data_size, start, size);
545: item.data_size+=size;
546: }
547: start=++o;
548: } else
549: o++;
550: }
551: if(size_t size=o-start) {
552: memcpy(item.data_ptr+item.data_size, start, size);
553: item.data_size+=size;
554: }
555: if(*o)
556: o++; // skip "'"
557:
558: n+=sprintf(n, EMPTY_CLOB_FUNC_CALL);
559: break;
560: } else
561: o++; // /**skip**/'xxx'
1.34 paf 562: if(saved_o) {
563: o=saved_o;
564: *n++=*o++;
565: }
1.1 parser 566: } else
567: *n++=*o++;
568: }
569: *n=0;
570:
571: if(lobs.count) {
572: int i;
573: n+=sprintf(n, " returning ");
574: for(i=0; i<lobs.count; i++) {
575: if(i)
576: *n++=',';
577: n+=sprintf(n, "%.*s", lobs.items[i].name_size, lobs.items[i].name_ptr);
578: }
579: n+=sprintf(n, " into ");
580: for(i=0; i<lobs.count; i++) {
581: if(i)
1.41 paf 582: *n++=',';
1.1 parser 583: n+=sprintf(n, ":%.*s", lobs.items[i].name_size, lobs.items[i].name_ptr);
584: }
585: }
586:
587: return result;
588: }
589:
590: void execute_prepared(
1.45 paf 591: OracleSQL_connection_struct &cs,
1.1 parser 592: const char *statement, OCIStmt *stmthp, OracleSQL_query_lobs &lobs,
593: unsigned long offset, unsigned long limit,
594: SQL_Driver_query_event_handlers& handlers) {
595:
596: ub2 stmt_type=0; // UNKNOWN
597: /*
598: //gpfs on sun. paf 000818
599: //Zanyway, this is needed before.
1.27 paf 600: check(cs, "get stmt type", OCIAttrGet(
1.1 parser 601: (dvoid *)stmthp, (ub4)OCI_HTYPE_STMT, (ub1 *)&stmt_type,
602: (ub4 *)0, OCI_ATTR_STMT_TYPE, cs.errhp));
603: */
1.16 paf 604:
1.17 paf 605: while(isspace(*statement))
1.16 paf 606: statement++;
1.1 parser 607: if(strncasecmp(statement, "select", 6)==0)
608: stmt_type=OCI_STMT_SELECT;
609: else if(strncasecmp(statement, "insert", 6)==0)
610: stmt_type=OCI_STMT_INSERT;
611: else if(strncasecmp(statement, "update", 6)==0)
612: stmt_type=OCI_STMT_UPDATE;
613:
614: sword status=OCIStmtExecute(cs.svchp, stmthp, cs.errhp,
615: (ub4)stmt_type==OCI_STMT_SELECT?0:1, (ub4)0,
616: (OCISnapshot *)NULL,
617: (OCISnapshot *)NULL, (ub4)OCI_DEFAULT);
618:
619: if(status!=OCI_NO_DATA)
1.27 paf 620: check(cs, "execute", status);
1.1 parser 621:
622: {
623: for(int i=0; i<lobs.count; i++)
624: if(ub4 bytes_to_write=lobs.items[i].data_size) {
625: OracleSQL_query_lobs::return_rows *rows=&lobs.items[i].rows;
626: for(int r=0; r<rows->count; r++) {
627: OCILobLocator *locator=rows->row[r].locator;
1.27 paf 628: check(cs, "lobwrite", OCILobWrite (
1.1 parser 629: cs.svchp, cs.errhp,
630: locator, &bytes_to_write, 1,
631: (dvoid *)lobs.items[i].data_ptr, (ub4)bytes_to_write, OCI_ONE_PIECE,
632: (dvoid *)0, 0, (ub2)0,
633: (ub1) SQLCS_IMPLICIT));
634: }
635: }
636: }
637:
638: switch(stmt_type) {
639: case OCI_STMT_SELECT:
1.42 paf 640: fetch_table(cs,
1.1 parser 641: stmthp, offset, limit,
642: handlers);
643: break;
644: default:
645: /*
646: case OCI_STMT_INSERT:
647: case OCI_STMT_UPDATE:
648: */
649: break;
650: }
651: }
652:
1.42 paf 653: void fetch_table(OracleSQL_connection_struct &cs,
1.1 parser 654: OCIStmt *stmthp, unsigned long offset, unsigned long limit,
1.42 paf 655: SQL_Driver_query_event_handlers& handlers)
656: {
657: SQL_Driver_services& services=*cs.services;
1.12 paf 658:
1.10 paf 659: ub4 prefetch_rows=100;
1.27 paf 660: check(cs, "AttrSet prefetch-rows", OCIAttrSet(
1.9 paf 661: (dvoid *)stmthp, (ub4)OCI_HTYPE_STMT,
662: (dvoid *)&prefetch_rows, (ub4)0,
663: (ub4)OCI_ATTR_PREFETCH_ROWS, (OCIError *)cs.errhp));
664:
1.20 paf 665: ub4 prefetch_mem_size=100*0x400;
1.27 paf 666: check(cs, "AttrSet prefetch-memory", OCIAttrSet(
1.9 paf 667: (dvoid *)stmthp, (ub4)OCI_HTYPE_STMT,
668: (dvoid *)&prefetch_mem_size, (ub4)0,
669: (ub4)OCI_ATTR_PREFETCH_MEMORY, (OCIError *)cs.errhp));
1.1 parser 670:
671: OCIParam *mypard;
672: ub2 dtype;
673: text *col_name;
674:
1.40 paf 675: struct Col {
1.1 parser 676: ub2 type;
677: char *str;
678: OCILobLocator *var;
679: OCIDefine *def;
680: sb2 indicator;
681: } cols[MAX_COLS]={0};
682: int column_count=0;
683:
684: bool failed=false;
685: jmp_buf saved_mark; memcpy(saved_mark, cs.mark, sizeof(jmp_buf));
686: if(setjmp(cs.mark)) {
687: failed=true;
688: goto cleanup;
689: } else {
1.27 paf 690: // idea of preincrementing is that at error time all handles would free up
691: while(++column_count<=MAX_COLS) {
692: /* get next descriptor, if there is one */
693: if(OCIParamGet(stmthp, OCI_HTYPE_STMT, cs.errhp, (void **)&mypard,
694: (ub4) column_count)!=OCI_SUCCESS) {
695: --column_count;
696: break;
697: }
698:
699: /* Retrieve the data type attribute */
700: check(cs, "get type", OCIAttrGet(
701: (dvoid*) mypard, (ub4)OCI_DTYPE_PARAM,
702: (dvoid*) &dtype, (ub4 *)0, (ub4)OCI_ATTR_DATA_TYPE,
703: (OCIError *)cs.errhp));
704:
705: /* Retrieve the column name attribute */
706: ub4 col_name_len;
707: check(cs, "get name", OCIAttrGet(
708: (dvoid*) mypard, (ub4)OCI_DTYPE_PARAM,
709: (dvoid**) &col_name, (ub4 *) &col_name_len, (ub4)OCI_ATTR_NAME,
710: (OCIError *)cs.errhp));
711:
1.40 paf 712: Col& col=cols[column_count-1];
1.27 paf 713: {
1.38 paf 714: size_t length=(size_t)col_name_len;
715: char *ptr=(char *)services.malloc_atomic(length+1);
1.42 paf 716: if( cs.options.bLowerCaseColumnNames )
1.39 paf 717: tolower(ptr, (char *)col_name, length);
718: else
719: memcpy(ptr, col_name, length);
1.38 paf 720: ptr[length]=0;
721: check(cs, handlers.add_column(cs.sql_error, ptr, length));
1.27 paf 722: }
723:
724: ub2 coerce_type=dtype;
725: sb4 size=0;
726: void *ptr;
727:
728: switch(dtype) {
729: case SQLT_CLOB:
1.1 parser 730: {
1.27 paf 731: check(cs, "alloc output var desc", OCIDescriptorAlloc(
1.40 paf 732: (dvoid *)cs.envhp, (dvoid **)(ptr=&col.var),
1.27 paf 733: (ub4)OCI_DTYPE_LOB,
734: 0, (dvoid **)0));
735:
736: size=0;
1.1 parser 737: break;
738: }
1.27 paf 739: default:
740: coerce_type=SQLT_STR;
1.46 paf 741: char*& buf=cs.fetch_buffers[column_count-1];
742: ptr=buf; // get cached buffer
743: if(!ptr) // allocate if needed, caching it
1.47 paf 744: ptr=buf=(char *)::/*see disconnect*/malloc(MAX_OUT_STRING_LENGTH+1/*terminator*/);
1.46 paf 745: col.str=(char*)ptr;
1.27 paf 746: size=MAX_OUT_STRING_LENGTH;
747: break;
1.1 parser 748: }
749:
1.40 paf 750: col.type=coerce_type;
1.1 parser 751:
1.48 ! paf 752: // http://i/docs/oracle/server.804/a58234/oci_func.htm#449680
! 753: // this call implicitly allocates the define handle
! 754: // http://sunsite.eunnet.net/documentation/oracle.8.0.4/server.804/a58234/basics.htm
! 755: // when a statement handle is freed, any bind and define handles associated with it
! 756: // are also freed
1.40 paf 757: col.def=0; check(cs, "DefineByPos", OCIDefineByPos(
758: stmthp, &col.def, cs.errhp,
1.27 paf 759: column_count, (ub1 *) ptr, size,
1.40 paf 760: coerce_type, (dvoid *) &col.indicator,
1.27 paf 761: (ub2 *)0, (ub2 *)0, OCI_DEFAULT));
762: }
763:
764: check(cs, handlers.before_rows(cs.sql_error));
765:
766: for(unsigned long row=0; !limit||row<offset+limit; row++) {
767: sword status=OCIStmtFetch(stmthp, cs.errhp, (ub4)1, (ub4)OCI_FETCH_NEXT,
768: (ub4)OCI_DEFAULT);
769: if(status==OCI_NO_DATA)
770: break;
771: check(cs, "fetch", status);
1.3 paf 772:
1.27 paf 773: if(row>=offset) {
774: check(cs, handlers.add_row(cs.sql_error));
775: for(int i=0; i<column_count; i++) {
1.37 paf 776: size_t length=0;
1.42 paf 777: char* strm=0;
1.27 paf 778: if(!cols[i].indicator) // not NULL
779: switch(cols[i].type) {
780: case SQLT_CLOB:
781: {
782: ub4 offset=1;
783: OCILobLocator *var=(OCILobLocator *)cols[i].var;
1.42 paf 784: size_t read_size=0;
1.45 paf 785: strm=(char*)services.malloc_atomic(1/*for terminator*/); // set type of memory block
1.42 paf 786: do {
787: char buf[MAX_STRING*10];
1.45 paf 788: ub4 amtp=0/*to be read in stream mode*/;
789: // http://i/docs/oracle/server.804/a58234/oci_func.htm#427818
1.42 paf 790: status=OCILobRead(cs.svchp, cs.errhp,
791: var, &amtp, offset, (dvoid *)buf,
792: sizeof(buf),
793: (dvoid *)0, 0,
794: (ub2)0, (ub1)SQLCS_IMPLICIT);
795: if(status!=OCI_SUCCESS && status!=OCI_NEED_DATA)
796: check(cs, "lobread", status);
797:
1.45 paf 798: strm=(char*)services.realloc(strm, read_size+amtp+1/*for termintator*/);
1.42 paf 799: memcpy(strm+read_size, buf, amtp);
800: read_size+=amtp;
801: offset+=amtp;
802: } while(status==OCI_NEED_DATA);
803:
804: length=(size_t)read_size;
805: strm[length]=0;
1.1 parser 806: break;
807: }
1.27 paf 808: default:
1.32 paf 809: if(const char *value=cols[i].str) {
1.37 paf 810: length=strlen(value);
1.42 paf 811: strm=(char*)services.malloc_atomic(length+1);
812: memcpy(strm, value, length+1);
1.27 paf 813: } else {
1.37 paf 814: length=0;
1.42 paf 815: strm=0;
1.27 paf 816: }
817: break;
818: }
1.42 paf 819:
820: const char* str=strm;
821: if(str && length)
822: {
823: // transcode to $request:charset from connect-string?client_charset
1.43 paf 824: if(const char* cstrClientCharset=cs.options.cstrClientCharset) {
825: const char* dest;
826: size_t dest_length;
1.42 paf 827: services.transcode(str, length,
828: dest, dest_length,
829: cstrClientCharset,
830: services.request_charset());
1.43 paf 831: str=dest;
832: length=dest_length;
833: }
1.42 paf 834: }
835:
1.37 paf 836: check(cs, handlers.add_row_cell(cs.sql_error, str, length));
1.1 parser 837: }
838: }
839: }
840: }
841:
842: cleanup: // no check call after this point!
843: for(int i=0; i<column_count; i++) {
844: switch(cols[i].type) {
845: case SQLT_CLOB:
846: /* free var locator */
847: OCIDescriptorFree((dvoid *) cols[i].var, (ub4)OCI_DTYPE_LOB);
848: break;
849: default:
850: break;
851: }
852: }
853:
854: if(failed) // need rethrow?
855: longjmp(saved_mark, 1);
856: }
857:
858: private: // conn client library funcs
859:
1.27 paf 860: friend void check(OracleSQL_connection_struct &cs, const char *step, sword status);
1.1 parser 861: friend sb4 cbf_get_data(dvoid *ctxp,
862: OCIBind *bindp,
863: ub4 iter, ub4 index,
864: dvoid **bufpp,
865: ub4 **alenp,
866: ub1 *piecep,
867: dvoid **indpp,
868: ub2 **rcodepp);
869:
870:
871: #define OCI_DECL(name, params) \
872: typedef sword (*t_OCI##name)params; t_OCI##name OCI##name
873:
874: OCI_DECL(Initialize, (ub4 mode, dvoid *ctxp,
875: dvoid * (*malocfp)(dvoid *ctxp, size_t size),
876: dvoid * (*ralocfp)(dvoid *ctxp, dvoid *memptr, size_t newsize),
877: void (*mfreefp)(dvoid *ctxp, dvoid *memptr) ));
878:
879: OCI_DECL(EnvInit, (OCIEnv **envp, ub4 mode,
880: size_t xtramem_sz, dvoid **usrmempp));
881:
882: OCI_DECL(AttrGet, (CONST dvoid *trgthndlp, ub4 trghndltyp,
883: dvoid *attributep, ub4 *sizep, ub4 attrtype,
884: OCIError *errhp));
885:
886: OCI_DECL(AttrSet, (dvoid *trgthndlp, ub4 trghndltyp, dvoid *attributep,
887: ub4 size, ub4 attrtype, OCIError *errhp));
888:
889: OCI_DECL(BindByPos, (OCIStmt *stmtp, OCIBind **bindp, OCIError *errhp,
890: ub4 position, dvoid *valuep, sb4 value_sz,
891: ub2 dty, dvoid *indp, ub2 *alenp, ub2 *rcodep,
892: ub4 maxarr_len, ub4 *curelep, ub4 mode));
893:
894: OCI_DECL(BindDynamic, (OCIBind *bindp, OCIError *errhp, dvoid *ictxp,
895: OCICallbackInBind icbfp, dvoid *octxp,
896: OCICallbackOutBind ocbfp));
897:
898: OCI_DECL(DefineByPos, (OCIStmt *stmtp, OCIDefine **defnp, OCIError *errhp,
899: ub4 position, dvoid *valuep, sb4 value_sz, ub2 dty,
900: dvoid *indp, ub2 *rlenp, ub2 *rcodep, ub4 mode));
901:
902: OCI_DECL(DescriptorAlloc, (CONST dvoid *parenth, dvoid **descpp,
903: CONST ub4 type, CONST size_t xtramem_sz,
904: dvoid **usrmempp));
905:
906: OCI_DECL(DescriptorFree, (dvoid *descp, CONST ub4 type));
907:
908:
909: OCI_DECL(ErrorGet, (dvoid *hndlp, ub4 recordno, OraText *sqlstate,
910: sb4 *errcodep, OraText *bufp, ub4 bufsiz, ub4 type));
911:
912: OCI_DECL(HandleAlloc, (CONST dvoid *parenth, dvoid **hndlpp, CONST ub4 type,
913: CONST size_t xtramem_sz, dvoid **usrmempp));
914:
915: OCI_DECL(HandleFree, (dvoid *hndlp, CONST ub4 type));
916:
917: OCI_DECL(LobGetLength, (OCISvcCtx *svchp, OCIError *errhp,
918: OCILobLocator *locp,
919: ub4 *lenp));
920:
921: OCI_DECL(LobRead, (OCISvcCtx *svchp, OCIError *errhp, OCILobLocator *locp,
922: ub4 *amtp, ub4 offset, dvoid *bufp, ub4 bufl,
923: dvoid *ctxp, sb4 (*cbfp)(dvoid *ctxp,
924: CONST dvoid *bufp,
925: ub4 len,
926: ub1 piece),
927: ub2 csid, ub1 csfrm));
928:
929: OCI_DECL(LobWrite, (OCISvcCtx *svchp, OCIError *errhp, OCILobLocator *locp,
930: ub4 *amtp, ub4 offset, dvoid *bufp, ub4 buflen,
931: ub1 piece, dvoid *ctxp,
932: sb4 (*cbfp)(dvoid *ctxp,
933: dvoid *bufp,
934: ub4 *len,
935: ub1 *piece),
936: ub2 csid, ub1 csfrm));
937:
938: OCI_DECL(ParamGet, (CONST dvoid *hndlp, ub4 htype, OCIError *errhp,
939: dvoid **parmdpp, ub4 pos));
940:
941: OCI_DECL(ServerAttach, (OCIServer *srvhp, OCIError *errhp,
942: CONST OraText *dblink, sb4 dblink_len, ub4 mode));
943:
944: OCI_DECL(ServerDetach, (OCIServer *srvhp, OCIError *errhp, ub4 mode));
945:
946: OCI_DECL(SessionBegin, (OCISvcCtx *svchp, OCIError *errhp, OCISession *usrhp,
947: ub4 credt, ub4 mode));
948:
949: OCI_DECL(SessionEnd, (OCISvcCtx *svchp, OCIError *errhp, OCISession *usrhp,
950: ub4 mode));
951:
952: OCI_DECL(StmtExecute, (OCISvcCtx *svchp, OCIStmt *stmtp, OCIError *errhp,
953: ub4 iters, ub4 rowoff, CONST OCISnapshot *snap_in,
954: OCISnapshot *snap_out, ub4 mode));
955:
956: OCI_DECL(StmtFetch, (OCIStmt *stmtp, OCIError *errhp, ub4 nrows,
957: ub2 orientation, ub4 mode));
958:
959: OCI_DECL(StmtPrepare, (OCIStmt *stmtp, OCIError *errhp, CONST OraText *stmt,
960: ub4 stmt_len, ub4 language, ub4 mode));
961:
962: OCI_DECL(TransCommit, (OCISvcCtx *svchp, OCIError *errhp, ub4 flags));
963:
964: OCI_DECL(TransRollback, (OCISvcCtx *svchp, OCIError *errhp, ub4 flags));
965:
966: private: // conn client library funcs linking
967:
968: const char *dlink(const char *dlopen_file_spec) {
969: if(lt_dlinit())
970: return lt_dlerror();
971: lt_dlhandle handle=lt_dlopen(dlopen_file_spec);
972: if(!handle)
973: return lt_dlerror(); //"can not open the dynamic link module";
974:
975: #define DSLINK(name, action) \
976: name=(t_##name)lt_dlsym(handle, #name); \
977: if(!name) \
978: action;
979:
980: #define OCI_LINK(name) DSLINK(OCI##name, return "function OCI" #name " was not found")
981:
982: OCI_LINK(Initialize);
983: OCI_LINK(EnvInit);
984: OCI_LINK(AttrGet); OCI_LINK(AttrSet);
985: OCI_LINK(BindByPos); OCI_LINK(BindDynamic);
986: OCI_LINK(DefineByPos);
987: OCI_LINK(DescriptorAlloc); OCI_LINK(DescriptorFree);
988: OCI_LINK(ErrorGet);
989: OCI_LINK(HandleAlloc); OCI_LINK(HandleFree);
990: OCI_LINK(LobGetLength);
991: OCI_LINK(LobRead); OCI_LINK(LobWrite);
992: OCI_LINK(ParamGet);
993: OCI_LINK(ServerAttach); OCI_LINK(ServerDetach);
994: OCI_LINK(SessionBegin); OCI_LINK(SessionEnd);
995: OCI_LINK(StmtExecute); OCI_LINK(StmtFetch); OCI_LINK(StmtPrepare);
996: OCI_LINK(TransCommit); OCI_LINK(TransRollback);
997:
998: return 0;
999: }
1000:
1001: } *OracleSQL_driver;
1002:
1.27 paf 1003: void check(OracleSQL_connection_struct &cs, const char *step, sword status) {
1.1 parser 1004:
1005: const char *msg;
1006: char reason[MAX_STRING/2];
1007:
1008: switch (status) {
1.22 paf 1009: case OCI_SUCCESS: // hurrah
1010: case OCI_SUCCESS_WITH_INFO: // ignoring. example: count(column) when column contains NULLs,
1011: // count() not counting them and gives that status
1012: return;
1.1 parser 1013: case OCI_ERROR:
1014: {
1.45 paf 1015: sb4 errcode;
1016: if(OracleSQL_driver->OCIErrorGet((dvoid *)cs.errhp, (ub4)1, (text *)NULL, &errcode,
1017: (text *)reason, (ub4)sizeof(reason), OCI_HTYPE_ERROR)==OCI_SUCCESS) {
1018: msg=reason;
1019:
1020: // transcode to $request:charset from connect-string?client_charset
1021: if(const char* cstrClientCharset=cs.options.cstrClientCharset) {
1022: if(msg) {
1023: if(size_t msg_length=strlen(msg)) {
1024: cs.services->transcode(msg, msg_length,
1025: msg, msg_length,
1026: cstrClientCharset,
1027: cs.services->request_charset());
1028: }
1.42 paf 1029: }
1030: }
1.45 paf 1031: } else
1032: msg="[can not get error description]";
1033: break;
1.1 parser 1034: }
1035: case OCI_NEED_DATA:
1036: msg="NEED_DATA"; break;
1037: case OCI_NO_DATA:
1038: msg="NODATA"; break;
1039: case OCI_INVALID_HANDLE:
1040: msg="INVALID_HANDLE"; break;
1041: case OCI_STILL_EXECUTING:
1042: msg="STILL_EXECUTE"; break;
1043: case OCI_CONTINUE:
1044: msg="CONTINUE"; break;
1045: default:
1046: msg="unknown"; break;
1047: }
1048:
1.22 paf 1049: snprintf(cs.error, sizeof(cs.error), "%s (%s, %d)",
1050: msg, step, (int)status);
1.1 parser 1051: longjmp(cs.mark, 1);
1052: }
1053:
1.27 paf 1054: void check(OracleSQL_connection_struct &cs, bool error) {
1055: if(error)
1056: longjmp(cs.mark, 1);
1057: }
1.1 parser 1058:
1059: /* ----------------------------------------------------------------- */
1060: /* Intbind callback that does not do any data input. */
1061: /* ----------------------------------------------------------------- */
1062: static sb4 cbf_no_data(
1.45 paf 1063: dvoid* /*ctxp*/,
1064: OCIBind* /*bindp*/,
1065: ub4 /*iter*/, ub4 /*index*/,
1.1 parser 1066: dvoid **bufpp,
1067: ub4 *alenpp,
1068: ub1 *piecep,
1069: dvoid **indpp) {
1070: *bufpp=(dvoid *)0;
1071: *alenpp=0;
1072: static sb2 null_ind=-1;
1073: *indpp=(dvoid *) &null_ind;
1074: *piecep=OCI_ONE_PIECE;
1075:
1076: return OCI_CONTINUE;
1077: }
1078:
1079: /* ----------------------------------------------------------------- */
1080: /* Outbind callback for returning data. */
1081: /* ----------------------------------------------------------------- */
1082: static sb4 cbf_get_data(dvoid *ctxp,
1083: OCIBind *bindp,
1.45 paf 1084: ub4 /*iter*/, ub4 index,
1.1 parser 1085: dvoid **bufpp,
1086: ub4 **alenp,
1087: ub1 *piecep,
1088: dvoid **indpp,
1089: ub2 **rcodepp) {
1090: OracleSQL_query_lobs::cbf_context_struct &context=
1091: *(OracleSQL_query_lobs::cbf_context_struct *)ctxp;
1092:
1093: if(index==0) {
1094: static ub4 rows;
1.27 paf 1095: check(*context.cs, "AttrGet cbf_get_data ROWS_RETURNED",
1.1 parser 1096: OracleSQL_driver->OCIAttrGet(
1097: (CONST dvoid *) bindp, OCI_HTYPE_BIND, (dvoid *)&rows,
1098: (ub4 *)sizeof(ub2), OCI_ATTR_ROWS_RETURNED, context.cs->errhp)) ;
1099: context.rows->count=(ub2)rows;
1100: context.rows->row=(OracleSQL_query_lobs::return_rows::return_row *)
1.42 paf 1101: context.cs->services->malloc_atomic(sizeof(OracleSQL_query_lobs::return_rows::return_row)*rows);
1.1 parser 1102: }
1103:
1104: OracleSQL_query_lobs::return_rows::return_row &var=context.rows->row[index];
1105:
1.27 paf 1106: check(*context.cs, "alloc output var desc dynamic", OracleSQL_driver->OCIDescriptorAlloc(
1.1 parser 1107: (dvoid *) context.cs->envhp, (dvoid **)&var.locator,
1108: (ub4)OCI_DTYPE_LOB,
1109: 0, (dvoid **)0));
1110:
1111: *bufpp=var.locator;
1112: *alenp=&var.len;
1113: *indpp=(dvoid *) &var.ind;
1114: *piecep=OCI_ONE_PIECE;
1115: *rcodepp=&var.rcode;
1116:
1117: return OCI_CONTINUE;
1118: }
1119:
1.38 paf 1120: void tolower(char *out, const char *in, size_t size) {
1121: while(size--)
1.45 paf 1122: *out++=(char)tolower(*in++);
1.1 parser 1123: }
1.44 paf 1124: void toupper(char *out, const char *in, size_t size) {
1125: while(size--)
1.45 paf 1126: *out++=(char)toupper(*in++);
1.44 paf 1127: }
1128:
1.1 parser 1129:
1130: extern "C" SQL_Driver *SQL_DRIVER_CREATE() {
1131: return OracleSQL_driver=new OracleSQL_Driver();
1132: }