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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: */
1.49 ! paf 10: static const char *RCSId="$Id: parser3oracle.C,v 1.48 2003/12/24 12:47:36 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
1.49 ! paf 114: struct Connection {
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 {
1.49 ! paf 143: Connection *connection;
1.1 parser 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
1.49 ! paf 158: void check(Connection& connection, const char *step, sword status);
! 159: void check(Connection& connection, 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:
1.49 ! paf 179: static const char *options2env(char *s, Connection::Options* options) {
1.42 paf 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,
1.49 ! paf 264: void **aconnection ///< output: Connection *
1.1 parser 265: ) {
266: // connections are cross-request, do not use services._alloc [linked with request]
1.49 ! paf 267: Connection& connection=*(Connection *)::calloc(sizeof(Connection), 1);
! 268: connection.services=&services;
! 269: connection.options.bLowerCaseColumnNames = true;
1.1 parser 270:
271: char *user=used_only_in_connect_url;
272: char *service=lsplit(user, '@');
273: char *pwd=lsplit(user, ':');
1.4 paf 274: char *options=lsplit(service, '?');
1.1 parser 275:
276: if(!(user && pwd && service))
277: services._throw("mailformed connect part, must be 'user:pass@service'");
278:
1.49 ! paf 279: if(const char *error=options2env(options, &connection.options))
1.5 paf 280: services._throw(error);
1.4 paf 281:
1.49 ! paf 282: if(setjmp(connection.mark))
! 283: services._throw(connection.error);
1.1 parser 284:
285: // Allocate and initialize OCIError handle, attempt #1
286: /*
287: grabbed from sample
288: /server.804/a58234/oci_func.htm#446192
289: but doc
290: /server.804/a58234/oci_func.htm#446100
291: doesnt have this param listed as allowed
292: 8.1.6 client library barks as OCI_INVALID_HANDLE
293: and debugging revealed that OCI_HTYPE_ENV param value is invalid
294: later in doc
295: /server.804/a58234/oci_func.htm#446192
296: on OCIEnvInit thay say
297: "No changes are done to an already initialized handle"
298: think, this is some sort of backward compatibility wonder.
299: leaving as it is, and without check()
300: */
1.49 ! paf 301: OCIHandleAlloc((dvoid *)NULL, (dvoid **) &connection.envhp, (ub4)OCI_HTYPE_ENV, 0, 0);
1.1 parser 302: // Initialize an environment handle, attempt #2
1.49 ! paf 303: check(connection, "EnvInit", OCIEnvInit(
! 304: &connection.envhp, (ub4)OCI_DEFAULT, 0, 0));
1.1 parser 305: // Allocate and initialize OCIError handle
1.49 ! paf 306: check(connection, "HandleAlloc errhp", OCIHandleAlloc(
! 307: (dvoid *)connection.envhp, (dvoid **) &connection.errhp, (ub4)OCI_HTYPE_ERROR, 0, 0));
1.1 parser 308: // Allocate and initialize OCIServer handle
1.49 ! paf 309: check(connection, "HandleAlloc srvhp", OCIHandleAlloc(
! 310: (dvoid *)connection.envhp, (dvoid **) &connection.srvhp, (ub4)OCI_HTYPE_SERVER, 0, 0));
1.1 parser 311: // Attach to a 'service'; initialize server context handle
1.49 ! paf 312: check(connection, "ServerAttach", OCIServerAttach(
! 313: connection.srvhp, connection.errhp, (text *)service, (sb4)strlen(service), (ub4)OCI_DEFAULT));
1.1 parser 314: // Allocate and initialize OCISvcCtx handle
1.49 ! paf 315: check(connection, "HandleAlloc svchp", OCIHandleAlloc(
! 316: (dvoid *)connection.envhp, (dvoid **) &connection.svchp, (ub4)OCI_HTYPE_SVCCTX, 0, 0));
1.1 parser 317: // set attribute server context in the service context
1.49 ! paf 318: check(connection, "AttrSet server-service", OCIAttrSet(
! 319: (dvoid *)connection.svchp, (ub4)OCI_HTYPE_SVCCTX,
! 320: (dvoid *)connection.srvhp, (ub4)0,
! 321: (ub4)OCI_ATTR_SERVER, (OCIError *)connection.errhp));
1.1 parser 322: // allocate a user context handle
1.49 ! paf 323: check(connection, "HandleAlloc usrhp", OCIHandleAlloc(
! 324: (dvoid *)connection.envhp, (dvoid **)&connection.usrhp, (ub4)OCI_HTYPE_SESSION, 0, 0));
1.1 parser 325: // set 'user' name
1.49 ! paf 326: check(connection, "AttrSet user-session", OCIAttrSet(
! 327: (dvoid *)connection.usrhp, (ub4)OCI_HTYPE_SESSION,
1.1 parser 328: (dvoid *)user, (ub4)strlen(user),
1.49 ! paf 329: OCI_ATTR_USERNAME, connection.errhp));
1.1 parser 330: // set 'pwd' password
1.49 ! paf 331: check(connection, "AttrSet pwd-session", OCIAttrSet(
! 332: (dvoid *)connection.usrhp, (ub4)OCI_HTYPE_SESSION,
1.1 parser 333: (dvoid *)pwd, (ub4)strlen(pwd),
1.49 ! paf 334: OCI_ATTR_PASSWORD, connection.errhp));
1.1 parser 335: // Authenticate a user
1.49 ! paf 336: check(connection, "SessionBegin", OCISessionBegin(
! 337: connection.svchp, connection.errhp, connection.usrhp,
1.1 parser 338: OCI_CRED_RDBMS, OCI_DEFAULT));
339: // remember connection in session
1.49 ! paf 340: check(connection, "AttrSet service-session", OCIAttrSet(
! 341: (dvoid *)connection.svchp, (ub4)OCI_HTYPE_SVCCTX,
! 342: (dvoid *)connection.usrhp, (ub4)0,
! 343: OCI_ATTR_SESSION, connection.errhp));
1.1 parser 344:
345: // return created connection
1.49 ! paf 346: *(Connection **)aconnection=&connection;
1.1 parser 347: }
1.49 ! paf 348: void disconnect(void *aconnection) {
! 349: Connection& connection=*static_cast<Connection *>(aconnection);
1.47 paf 350:
351: // free fetch buffers
352: for(int i=0; i<MAX_COLS; i++) {
1.49 ! paf 353: if(void* fetch_buffer=connection.fetch_buffers[i])
1.47 paf 354: ::free(fetch_buffer);
355: else
356: break;
357: }
358:
1.1 parser 359: // Terminate a user session
360: OCISessionEnd(
1.49 ! paf 361: connection.svchp, connection.errhp, connection.usrhp, (ub4)OCI_DEFAULT);
1.1 parser 362: // Detach from a server; uninitialize server context handle
363: OCIServerDetach(
1.49 ! paf 364: connection.srvhp, connection.errhp, (ub4)OCI_DEFAULT);
1.1 parser 365: // Free a previously allocated handles
366: /*
367: oci will free them up as belonging to env
368: OCIHandleFree(
1.49 ! paf 369: (dvoid *)connection.srvhp, (ub4)OCI_HTYPE_SERVER);
1.1 parser 370: OCIHandleFree(
1.49 ! paf 371: (dvoid *)connection.svchp, (ub4)OCI_HTYPE_SVCCTX);
1.1 parser 372: OCIHandleFree(
1.49 ! paf 373: (dvoid *)connection.errhp, (ub4)OCI_HTYPE_ERROR);
1.1 parser 374: */
375: OCIHandleFree(
1.49 ! paf 376: (dvoid *)connection.envhp, (ub4)OCI_HTYPE_ENV);
1.1 parser 377:
378: // connections are cross-request, do not use services._alloc [linked with request]
1.49 ! paf 379: ::free(&connection);
1.1 parser 380: }
1.49 ! paf 381: void commit(void *aconnection) {
! 382: Connection& connection=*static_cast<Connection *>(aconnection);
! 383: if(setjmp(connection.mark))
! 384: connection.services->_throw(connection.error);
1.1 parser 385:
1.49 ! paf 386: check(connection, "commit", OCITransCommit(connection.svchp, connection.errhp, 0));
1.1 parser 387: }
1.49 ! paf 388: void rollback(void *aconnection) {
! 389: Connection& connection=*static_cast<Connection *>(aconnection);
! 390: if(setjmp(connection.mark))
! 391: connection.services->_throw(connection.error);
1.1 parser 392:
1.42 paf 393: // sometimes rollback is done in context when this yields error which masks previous error
394: // consider consequent errors not very important to report, reporting first one
1.49 ! paf 395: /*check(connection, "rollback", */OCITransRollback(connection.svchp, connection.errhp, 0)/*)*/;
1.1 parser 396: }
397:
1.45 paf 398: bool ping(void* /*connection*/) {
1.1 parser 399: // maybe OCIServerVersion?
1.4 paf 400: // select 0 from dual
1.1 parser 401: return true;
402: }
403:
1.49 ! paf 404: const char* quote(void *aconnection,
1.42 paf 405: const char *from, unsigned int length)
406: {
1.49 ! paf 407: Connection& connection=*static_cast<Connection *>(aconnection);
! 408: char *result=(char*)connection.services->malloc_atomic(length*2+1);
1.32 paf 409: char *to=result;
410: while(length--) {
411: switch(*from) {
412: case '\'': // "'" -> "''"
1.35 paf 413: *to++='\'';
1.32 paf 414: break;
1.1 parser 415: }
1.32 paf 416: *to++=*from++;
417: }
418: *to=0;
419: return result;
1.1 parser 420: }
1.49 ! paf 421: void query(void *aconnection,
1.1 parser 422: const char *astatement, unsigned long offset, unsigned long limit,
1.42 paf 423: SQL_Driver_query_event_handlers& handlers)
424: {
1.49 ! paf 425: Connection& connection=*static_cast<Connection *>(aconnection);
1.1 parser 426: OracleSQL_query_lobs lobs={{0}, 0};
427: OCIStmt *stmthp=0;
428:
1.49 ! paf 429: SQL_Driver_services& services=*connection.services;
1.42 paf 430:
431: // transcode from $request:charset to connect-string?client_charset
432: size_t transcoded_statement_size;
1.49 ! paf 433: if(const char* cstrClientCharset=connection.options.cstrClientCharset)
1.42 paf 434: services.transcode(astatement, strlen(astatement),
435: astatement, transcoded_statement_size,
436: services.request_charset(),
437: cstrClientCharset);
438:
1.1 parser 439: bool failed=false;
1.49 ! paf 440: if(setjmp(connection.mark)) {
1.1 parser 441: failed=true;
442: goto cleanup;
443: } else {
1.49 ! paf 444: const char *statement=preprocess_statement(connection, astatement, lobs);
1.1 parser 445:
1.49 ! paf 446: check(connection, "HandleAlloc STMT", OCIHandleAlloc(
! 447: (dvoid *)connection.envhp, (dvoid **) &stmthp, (ub4)OCI_HTYPE_STMT, 0, 0));
! 448: check(connection, "syntax",
! 449: OCIStmtPrepare(stmthp, connection.errhp, (unsigned char *)statement,
1.1 parser 450: (ub4)strlen((char *)statement),
451: (ub4)OCI_NTV_SYNTAX, (ub4)OCI_DEFAULT));
452: {
453: for(int i=0; i<lobs.count; i++) {
1.49 ! paf 454: check(connection, "alloc output var desc", OCIDescriptorAlloc(
! 455: (dvoid *)connection.envhp, (dvoid **)&lobs.items[i].locator, (ub4)OCI_DTYPE_LOB, 0, 0));
1.1 parser 456:
1.49 ! paf 457: check(connection, "bind output", OCIBindByPos(stmthp,
! 458: &lobs.items[i].bind, connection.errhp,
1.1 parser 459: (ub4)1+i,
460: (dvoid *)&lobs.items[i].locator,
461: (sword)sizeof (lobs.items[i].locator), SQLT_CLOB, (dvoid *)0,
462: (ub2 *)0, (ub2 *)0, (ub4)0, (ub4 *)0, OCI_DATA_AT_EXEC));
463:
464: lobs.items[i].rows.count=0;
1.49 ! paf 465: OracleSQL_query_lobs::cbf_context_struct cbf_context={&connection, &lobs.items[i].rows};
! 466: check(connection, "bind dynamic", OCIBindDynamic(
! 467: lobs.items[i].bind, connection.errhp,
1.1 parser 468: (dvoid *) &cbf_context, cbf_no_data,
469: (dvoid *) &cbf_context, cbf_get_data));
470: }
471: }
472:
1.49 ! paf 473: execute_prepared(connection,
1.26 paf 474: statement, stmthp, lobs,
475: offset, limit, handlers);
1.1 parser 476: }
477: cleanup: // no check call after this point!
478: {
479: for(int i=0; i<lobs.count; i++) {
480: /* free var locator */
481: if(OCILobLocator *locator=lobs.items[i].locator)
482: OCIDescriptorFree((dvoid *)locator, (ub4)OCI_DTYPE_LOB);
483:
484: /* free rows descriptors */
485: OracleSQL_query_lobs::return_rows &rows=lobs.items[i].rows;
486: for(int r=0; r<rows.count; r++)
487: OCIDescriptorFree((dvoid *)rows.row[r].locator, (ub4)OCI_DTYPE_LOB);
488: }
489: }
490: if(stmthp)
491: OCIHandleFree((dvoid *)stmthp, (ub4)OCI_HTYPE_STMT);
492:
1.26 paf 493: if(failed) {
1.49 ! paf 494: if(connection.sql_error.defined())
! 495: services._throw(connection.sql_error);
! 496: services._throw(connection.error);
1.26 paf 497: }
1.1 parser 498: }
499:
500: private: // private funcs
501:
1.49 ! paf 502: const char *preprocess_statement(Connection& connection,
1.1 parser 503: const char *astatement, OracleSQL_query_lobs &lobs) {
504: size_t statement_size=strlen(astatement);
1.49 ! paf 505: SQL_Driver_services& services=*connection.services;
1.1 parser 506:
1.32 paf 507: char *result=(char *)services.malloc_atomic(statement_size
1.1 parser 508: +MAX_STRING // in case of short 'strings'
509: +11/* returning */+6/* into */+(MAX_LOB_NAME_LENGTH+2/*:, */)*2/*ret into*/*MAX_IN_LOBS
510: +1);
511: const char *o=astatement;
512:
513: // /**xxx**/'literal' -> EMPTY_CLOB_FUNC_CALL
514: char *n=result;
515: while(*o) {
516: if(
517: o[0]=='/' &&
518: o[1]=='*' &&
519: o[2]=='*') { // name start
1.34 paf 520: const char* saved_o=o;
1.1 parser 521: o+=3;
522: const char *name_begin=o;
523: while(*o)
524: if(
525: o[0]=='*' &&
526: o[1]=='*' &&
527: o[2]=='/' &&
528: o[3]=='\'') { // name end
1.34 paf 529: saved_o=0; // found, marking that
1.1 parser 530: const char *name_end=o;
531: o+=4;
532: OracleSQL_query_lobs::Item &item=lobs.items[lobs.count++];
533: item.name_ptr=name_begin; item.name_size=name_end-name_begin;
1.32 paf 534: item.data_ptr=(char *)services.malloc_atomic(statement_size/*max*/); item.data_size=0;
1.1 parser 535:
536: const char *start=o;
537: bool escaped=false;
538: while(*o && !(o[0]=='\'' && o[1]!='\'' && !escaped)) {
1.14 paf 539: escaped=o[0]=='\'' && o[1]=='\'';
1.1 parser 540: if(escaped) {
541: // write pending, skip "\" or "'"
542: if(size_t size=o-start) {
543: memcpy(item.data_ptr+item.data_size, start, size);
544: item.data_size+=size;
545: }
546: start=++o;
547: } else
548: o++;
549: }
550: if(size_t size=o-start) {
551: memcpy(item.data_ptr+item.data_size, start, size);
552: item.data_size+=size;
553: }
554: if(*o)
555: o++; // skip "'"
556:
557: n+=sprintf(n, EMPTY_CLOB_FUNC_CALL);
558: break;
559: } else
560: o++; // /**skip**/'xxx'
1.34 paf 561: if(saved_o) {
562: o=saved_o;
563: *n++=*o++;
564: }
1.1 parser 565: } else
566: *n++=*o++;
567: }
568: *n=0;
569:
570: if(lobs.count) {
571: int i;
572: n+=sprintf(n, " returning ");
573: for(i=0; i<lobs.count; i++) {
574: if(i)
575: *n++=',';
576: n+=sprintf(n, "%.*s", lobs.items[i].name_size, lobs.items[i].name_ptr);
577: }
578: n+=sprintf(n, " into ");
579: for(i=0; i<lobs.count; i++) {
580: if(i)
1.41 paf 581: *n++=',';
1.1 parser 582: n+=sprintf(n, ":%.*s", lobs.items[i].name_size, lobs.items[i].name_ptr);
583: }
584: }
585:
586: return result;
587: }
588:
589: void execute_prepared(
1.49 ! paf 590: Connection& connection,
1.1 parser 591: const char *statement, OCIStmt *stmthp, OracleSQL_query_lobs &lobs,
592: unsigned long offset, unsigned long limit,
593: SQL_Driver_query_event_handlers& handlers) {
594:
595: ub2 stmt_type=0; // UNKNOWN
596: /*
597: //gpfs on sun. paf 000818
598: //Zanyway, this is needed before.
1.49 ! paf 599: check(connection, "get stmt type", OCIAttrGet(
1.1 parser 600: (dvoid *)stmthp, (ub4)OCI_HTYPE_STMT, (ub1 *)&stmt_type,
1.49 ! paf 601: (ub4 *)0, OCI_ATTR_STMT_TYPE, connection.errhp));
1.1 parser 602: */
1.16 paf 603:
1.17 paf 604: while(isspace(*statement))
1.16 paf 605: statement++;
1.1 parser 606: if(strncasecmp(statement, "select", 6)==0)
607: stmt_type=OCI_STMT_SELECT;
608: else if(strncasecmp(statement, "insert", 6)==0)
609: stmt_type=OCI_STMT_INSERT;
610: else if(strncasecmp(statement, "update", 6)==0)
611: stmt_type=OCI_STMT_UPDATE;
612:
1.49 ! paf 613: sword status=OCIStmtExecute(connection.svchp, stmthp, connection.errhp,
1.1 parser 614: (ub4)stmt_type==OCI_STMT_SELECT?0:1, (ub4)0,
615: (OCISnapshot *)NULL,
616: (OCISnapshot *)NULL, (ub4)OCI_DEFAULT);
617:
618: if(status!=OCI_NO_DATA)
1.49 ! paf 619: check(connection, "execute", status);
1.1 parser 620:
621: {
622: for(int i=0; i<lobs.count; i++)
623: if(ub4 bytes_to_write=lobs.items[i].data_size) {
624: OracleSQL_query_lobs::return_rows *rows=&lobs.items[i].rows;
625: for(int r=0; r<rows->count; r++) {
626: OCILobLocator *locator=rows->row[r].locator;
1.49 ! paf 627: check(connection, "lobwrite", OCILobWrite (
! 628: connection.svchp, connection.errhp,
1.1 parser 629: locator, &bytes_to_write, 1,
630: (dvoid *)lobs.items[i].data_ptr, (ub4)bytes_to_write, OCI_ONE_PIECE,
631: (dvoid *)0, 0, (ub2)0,
632: (ub1) SQLCS_IMPLICIT));
633: }
634: }
635: }
636:
637: switch(stmt_type) {
638: case OCI_STMT_SELECT:
1.49 ! paf 639: fetch_table(connection,
1.1 parser 640: stmthp, offset, limit,
641: handlers);
642: break;
643: default:
644: /*
645: case OCI_STMT_INSERT:
646: case OCI_STMT_UPDATE:
647: */
648: break;
649: }
650: }
651:
1.49 ! paf 652: void fetch_table(Connection& connection,
1.1 parser 653: OCIStmt *stmthp, unsigned long offset, unsigned long limit,
1.42 paf 654: SQL_Driver_query_event_handlers& handlers)
655: {
1.49 ! paf 656: SQL_Driver_services& services=*connection.services;
1.12 paf 657:
1.10 paf 658: ub4 prefetch_rows=100;
1.49 ! paf 659: check(connection, "AttrSet prefetch-rows", OCIAttrSet(
1.9 paf 660: (dvoid *)stmthp, (ub4)OCI_HTYPE_STMT,
661: (dvoid *)&prefetch_rows, (ub4)0,
1.49 ! paf 662: (ub4)OCI_ATTR_PREFETCH_ROWS, (OCIError *)connection.errhp));
1.9 paf 663:
1.20 paf 664: ub4 prefetch_mem_size=100*0x400;
1.49 ! paf 665: check(connection, "AttrSet prefetch-memory", OCIAttrSet(
1.9 paf 666: (dvoid *)stmthp, (ub4)OCI_HTYPE_STMT,
667: (dvoid *)&prefetch_mem_size, (ub4)0,
1.49 ! paf 668: (ub4)OCI_ATTR_PREFETCH_MEMORY, (OCIError *)connection.errhp));
1.1 parser 669:
670: OCIParam *mypard;
671: ub2 dtype;
672: text *col_name;
673:
1.40 paf 674: struct Col {
1.1 parser 675: ub2 type;
676: char *str;
677: OCILobLocator *var;
678: OCIDefine *def;
679: sb2 indicator;
680: } cols[MAX_COLS]={0};
681: int column_count=0;
682:
683: bool failed=false;
1.49 ! paf 684: jmp_buf saved_mark; memcpy(saved_mark, connection.mark, sizeof(jmp_buf));
! 685: if(setjmp(connection.mark)) {
1.1 parser 686: failed=true;
687: goto cleanup;
688: } else {
1.27 paf 689: // idea of preincrementing is that at error time all handles would free up
690: while(++column_count<=MAX_COLS) {
691: /* get next descriptor, if there is one */
1.49 ! paf 692: if(OCIParamGet(stmthp, OCI_HTYPE_STMT, connection.errhp, (void **)&mypard,
1.27 paf 693: (ub4) column_count)!=OCI_SUCCESS) {
694: --column_count;
695: break;
696: }
697:
698: /* Retrieve the data type attribute */
1.49 ! paf 699: check(connection, "get type", OCIAttrGet(
1.27 paf 700: (dvoid*) mypard, (ub4)OCI_DTYPE_PARAM,
701: (dvoid*) &dtype, (ub4 *)0, (ub4)OCI_ATTR_DATA_TYPE,
1.49 ! paf 702: (OCIError *)connection.errhp));
1.27 paf 703:
704: /* Retrieve the column name attribute */
705: ub4 col_name_len;
1.49 ! paf 706: check(connection, "get name", OCIAttrGet(
1.27 paf 707: (dvoid*) mypard, (ub4)OCI_DTYPE_PARAM,
708: (dvoid**) &col_name, (ub4 *) &col_name_len, (ub4)OCI_ATTR_NAME,
1.49 ! paf 709: (OCIError *)connection.errhp));
1.27 paf 710:
1.40 paf 711: Col& col=cols[column_count-1];
1.27 paf 712: {
1.38 paf 713: size_t length=(size_t)col_name_len;
714: char *ptr=(char *)services.malloc_atomic(length+1);
1.49 ! paf 715: if( connection.options.bLowerCaseColumnNames )
1.39 paf 716: tolower(ptr, (char *)col_name, length);
717: else
718: memcpy(ptr, col_name, length);
1.38 paf 719: ptr[length]=0;
1.49 ! paf 720: check(connection, handlers.add_column(connection.sql_error, ptr, length));
1.27 paf 721: }
722:
723: ub2 coerce_type=dtype;
724: sb4 size=0;
725: void *ptr;
726:
727: switch(dtype) {
728: case SQLT_CLOB:
1.1 parser 729: {
1.49 ! paf 730: check(connection, "alloc output var desc", OCIDescriptorAlloc(
! 731: (dvoid *)connection.envhp, (dvoid **)(ptr=&col.var),
1.27 paf 732: (ub4)OCI_DTYPE_LOB,
733: 0, (dvoid **)0));
734:
735: size=0;
1.1 parser 736: break;
737: }
1.27 paf 738: default:
739: coerce_type=SQLT_STR;
1.49 ! paf 740: char*& buf=connection.fetch_buffers[column_count-1];
1.46 paf 741: ptr=buf; // get cached buffer
742: if(!ptr) // allocate if needed, caching it
1.47 paf 743: ptr=buf=(char *)::/*see disconnect*/malloc(MAX_OUT_STRING_LENGTH+1/*terminator*/);
1.46 paf 744: col.str=(char*)ptr;
1.27 paf 745: size=MAX_OUT_STRING_LENGTH;
746: break;
1.1 parser 747: }
748:
1.40 paf 749: col.type=coerce_type;
1.1 parser 750:
1.48 paf 751: // http://i/docs/oracle/server.804/a58234/oci_func.htm#449680
752: // this call implicitly allocates the define handle
753: // http://sunsite.eunnet.net/documentation/oracle.8.0.4/server.804/a58234/basics.htm
754: // when a statement handle is freed, any bind and define handles associated with it
755: // are also freed
1.49 ! paf 756: col.def=0; check(connection, "DefineByPos", OCIDefineByPos(
! 757: stmthp, &col.def, connection.errhp,
1.27 paf 758: column_count, (ub1 *) ptr, size,
1.40 paf 759: coerce_type, (dvoid *) &col.indicator,
1.27 paf 760: (ub2 *)0, (ub2 *)0, OCI_DEFAULT));
761: }
762:
1.49 ! paf 763: check(connection, handlers.before_rows(connection.sql_error));
1.27 paf 764:
765: for(unsigned long row=0; !limit||row<offset+limit; row++) {
1.49 ! paf 766: sword status=OCIStmtFetch(stmthp, connection.errhp, (ub4)1, (ub4)OCI_FETCH_NEXT,
1.27 paf 767: (ub4)OCI_DEFAULT);
768: if(status==OCI_NO_DATA)
769: break;
1.49 ! paf 770: check(connection, "fetch", status);
1.3 paf 771:
1.27 paf 772: if(row>=offset) {
1.49 ! paf 773: check(connection, handlers.add_row(connection.sql_error));
1.27 paf 774: for(int i=0; i<column_count; i++) {
1.37 paf 775: size_t length=0;
1.42 paf 776: char* strm=0;
1.27 paf 777: if(!cols[i].indicator) // not NULL
778: switch(cols[i].type) {
779: case SQLT_CLOB:
780: {
781: ub4 offset=1;
782: OCILobLocator *var=(OCILobLocator *)cols[i].var;
1.42 paf 783: size_t read_size=0;
1.45 paf 784: strm=(char*)services.malloc_atomic(1/*for terminator*/); // set type of memory block
1.42 paf 785: do {
786: char buf[MAX_STRING*10];
1.45 paf 787: ub4 amtp=0/*to be read in stream mode*/;
788: // http://i/docs/oracle/server.804/a58234/oci_func.htm#427818
1.49 ! paf 789: status=OCILobRead(connection.svchp, connection.errhp,
1.42 paf 790: var, &amtp, offset, (dvoid *)buf,
791: sizeof(buf),
792: (dvoid *)0, 0,
793: (ub2)0, (ub1)SQLCS_IMPLICIT);
794: if(status!=OCI_SUCCESS && status!=OCI_NEED_DATA)
1.49 ! paf 795: check(connection, "lobread", status);
1.42 paf 796:
1.45 paf 797: strm=(char*)services.realloc(strm, read_size+amtp+1/*for termintator*/);
1.42 paf 798: memcpy(strm+read_size, buf, amtp);
799: read_size+=amtp;
800: offset+=amtp;
801: } while(status==OCI_NEED_DATA);
802:
803: length=(size_t)read_size;
804: strm[length]=0;
1.1 parser 805: break;
806: }
1.27 paf 807: default:
1.32 paf 808: if(const char *value=cols[i].str) {
1.37 paf 809: length=strlen(value);
1.42 paf 810: strm=(char*)services.malloc_atomic(length+1);
811: memcpy(strm, value, length+1);
1.27 paf 812: } else {
1.37 paf 813: length=0;
1.42 paf 814: strm=0;
1.27 paf 815: }
816: break;
817: }
1.42 paf 818:
819: const char* str=strm;
820: if(str && length)
821: {
822: // transcode to $request:charset from connect-string?client_charset
1.49 ! paf 823: if(const char* cstrClientCharset=connection.options.cstrClientCharset) {
1.43 paf 824: const char* dest;
825: size_t dest_length;
1.42 paf 826: services.transcode(str, length,
827: dest, dest_length,
828: cstrClientCharset,
829: services.request_charset());
1.43 paf 830: str=dest;
831: length=dest_length;
832: }
1.42 paf 833: }
834:
1.49 ! paf 835: check(connection, handlers.add_row_cell(connection.sql_error, str, length));
1.1 parser 836: }
837: }
838: }
839: }
840:
841: cleanup: // no check call after this point!
842: for(int i=0; i<column_count; i++) {
843: switch(cols[i].type) {
844: case SQLT_CLOB:
845: /* free var locator */
846: OCIDescriptorFree((dvoid *) cols[i].var, (ub4)OCI_DTYPE_LOB);
847: break;
848: default:
849: break;
850: }
851: }
852:
853: if(failed) // need rethrow?
854: longjmp(saved_mark, 1);
855: }
856:
857: private: // conn client library funcs
858:
1.49 ! paf 859: friend void check(Connection& connection, const char *step, sword status);
1.1 parser 860: friend sb4 cbf_get_data(dvoid *ctxp,
861: OCIBind *bindp,
862: ub4 iter, ub4 index,
863: dvoid **bufpp,
864: ub4 **alenp,
865: ub1 *piecep,
866: dvoid **indpp,
867: ub2 **rcodepp);
868:
869:
870: #define OCI_DECL(name, params) \
871: typedef sword (*t_OCI##name)params; t_OCI##name OCI##name
872:
873: OCI_DECL(Initialize, (ub4 mode, dvoid *ctxp,
874: dvoid * (*malocfp)(dvoid *ctxp, size_t size),
875: dvoid * (*ralocfp)(dvoid *ctxp, dvoid *memptr, size_t newsize),
876: void (*mfreefp)(dvoid *ctxp, dvoid *memptr) ));
877:
878: OCI_DECL(EnvInit, (OCIEnv **envp, ub4 mode,
879: size_t xtramem_sz, dvoid **usrmempp));
880:
881: OCI_DECL(AttrGet, (CONST dvoid *trgthndlp, ub4 trghndltyp,
882: dvoid *attributep, ub4 *sizep, ub4 attrtype,
883: OCIError *errhp));
884:
885: OCI_DECL(AttrSet, (dvoid *trgthndlp, ub4 trghndltyp, dvoid *attributep,
886: ub4 size, ub4 attrtype, OCIError *errhp));
887:
888: OCI_DECL(BindByPos, (OCIStmt *stmtp, OCIBind **bindp, OCIError *errhp,
889: ub4 position, dvoid *valuep, sb4 value_sz,
890: ub2 dty, dvoid *indp, ub2 *alenp, ub2 *rcodep,
891: ub4 maxarr_len, ub4 *curelep, ub4 mode));
892:
893: OCI_DECL(BindDynamic, (OCIBind *bindp, OCIError *errhp, dvoid *ictxp,
894: OCICallbackInBind icbfp, dvoid *octxp,
895: OCICallbackOutBind ocbfp));
896:
897: OCI_DECL(DefineByPos, (OCIStmt *stmtp, OCIDefine **defnp, OCIError *errhp,
898: ub4 position, dvoid *valuep, sb4 value_sz, ub2 dty,
899: dvoid *indp, ub2 *rlenp, ub2 *rcodep, ub4 mode));
900:
901: OCI_DECL(DescriptorAlloc, (CONST dvoid *parenth, dvoid **descpp,
902: CONST ub4 type, CONST size_t xtramem_sz,
903: dvoid **usrmempp));
904:
905: OCI_DECL(DescriptorFree, (dvoid *descp, CONST ub4 type));
906:
907:
908: OCI_DECL(ErrorGet, (dvoid *hndlp, ub4 recordno, OraText *sqlstate,
909: sb4 *errcodep, OraText *bufp, ub4 bufsiz, ub4 type));
910:
911: OCI_DECL(HandleAlloc, (CONST dvoid *parenth, dvoid **hndlpp, CONST ub4 type,
912: CONST size_t xtramem_sz, dvoid **usrmempp));
913:
914: OCI_DECL(HandleFree, (dvoid *hndlp, CONST ub4 type));
915:
916: OCI_DECL(LobGetLength, (OCISvcCtx *svchp, OCIError *errhp,
917: OCILobLocator *locp,
918: ub4 *lenp));
919:
920: OCI_DECL(LobRead, (OCISvcCtx *svchp, OCIError *errhp, OCILobLocator *locp,
921: ub4 *amtp, ub4 offset, dvoid *bufp, ub4 bufl,
922: dvoid *ctxp, sb4 (*cbfp)(dvoid *ctxp,
923: CONST dvoid *bufp,
924: ub4 len,
925: ub1 piece),
926: ub2 csid, ub1 csfrm));
927:
928: OCI_DECL(LobWrite, (OCISvcCtx *svchp, OCIError *errhp, OCILobLocator *locp,
929: ub4 *amtp, ub4 offset, dvoid *bufp, ub4 buflen,
930: ub1 piece, dvoid *ctxp,
931: sb4 (*cbfp)(dvoid *ctxp,
932: dvoid *bufp,
933: ub4 *len,
934: ub1 *piece),
935: ub2 csid, ub1 csfrm));
936:
937: OCI_DECL(ParamGet, (CONST dvoid *hndlp, ub4 htype, OCIError *errhp,
938: dvoid **parmdpp, ub4 pos));
939:
940: OCI_DECL(ServerAttach, (OCIServer *srvhp, OCIError *errhp,
941: CONST OraText *dblink, sb4 dblink_len, ub4 mode));
942:
943: OCI_DECL(ServerDetach, (OCIServer *srvhp, OCIError *errhp, ub4 mode));
944:
945: OCI_DECL(SessionBegin, (OCISvcCtx *svchp, OCIError *errhp, OCISession *usrhp,
946: ub4 credt, ub4 mode));
947:
948: OCI_DECL(SessionEnd, (OCISvcCtx *svchp, OCIError *errhp, OCISession *usrhp,
949: ub4 mode));
950:
951: OCI_DECL(StmtExecute, (OCISvcCtx *svchp, OCIStmt *stmtp, OCIError *errhp,
952: ub4 iters, ub4 rowoff, CONST OCISnapshot *snap_in,
953: OCISnapshot *snap_out, ub4 mode));
954:
955: OCI_DECL(StmtFetch, (OCIStmt *stmtp, OCIError *errhp, ub4 nrows,
956: ub2 orientation, ub4 mode));
957:
958: OCI_DECL(StmtPrepare, (OCIStmt *stmtp, OCIError *errhp, CONST OraText *stmt,
959: ub4 stmt_len, ub4 language, ub4 mode));
960:
961: OCI_DECL(TransCommit, (OCISvcCtx *svchp, OCIError *errhp, ub4 flags));
962:
963: OCI_DECL(TransRollback, (OCISvcCtx *svchp, OCIError *errhp, ub4 flags));
964:
965: private: // conn client library funcs linking
966:
967: const char *dlink(const char *dlopen_file_spec) {
968: if(lt_dlinit())
969: return lt_dlerror();
970: lt_dlhandle handle=lt_dlopen(dlopen_file_spec);
971: if(!handle)
972: return lt_dlerror(); //"can not open the dynamic link module";
973:
974: #define DSLINK(name, action) \
975: name=(t_##name)lt_dlsym(handle, #name); \
976: if(!name) \
977: action;
978:
979: #define OCI_LINK(name) DSLINK(OCI##name, return "function OCI" #name " was not found")
980:
981: OCI_LINK(Initialize);
982: OCI_LINK(EnvInit);
983: OCI_LINK(AttrGet); OCI_LINK(AttrSet);
984: OCI_LINK(BindByPos); OCI_LINK(BindDynamic);
985: OCI_LINK(DefineByPos);
986: OCI_LINK(DescriptorAlloc); OCI_LINK(DescriptorFree);
987: OCI_LINK(ErrorGet);
988: OCI_LINK(HandleAlloc); OCI_LINK(HandleFree);
989: OCI_LINK(LobGetLength);
990: OCI_LINK(LobRead); OCI_LINK(LobWrite);
991: OCI_LINK(ParamGet);
992: OCI_LINK(ServerAttach); OCI_LINK(ServerDetach);
993: OCI_LINK(SessionBegin); OCI_LINK(SessionEnd);
994: OCI_LINK(StmtExecute); OCI_LINK(StmtFetch); OCI_LINK(StmtPrepare);
995: OCI_LINK(TransCommit); OCI_LINK(TransRollback);
996:
997: return 0;
998: }
999:
1000: } *OracleSQL_driver;
1001:
1.49 ! paf 1002: void check(Connection& connection, const char *step, sword status) {
1.1 parser 1003:
1004: const char *msg;
1005: char reason[MAX_STRING/2];
1006:
1007: switch (status) {
1.22 paf 1008: case OCI_SUCCESS: // hurrah
1009: case OCI_SUCCESS_WITH_INFO: // ignoring. example: count(column) when column contains NULLs,
1010: // count() not counting them and gives that status
1011: return;
1.1 parser 1012: case OCI_ERROR:
1013: {
1.45 paf 1014: sb4 errcode;
1.49 ! paf 1015: if(OracleSQL_driver->OCIErrorGet((dvoid *)connection.errhp, (ub4)1, (text *)NULL, &errcode,
1.45 paf 1016: (text *)reason, (ub4)sizeof(reason), OCI_HTYPE_ERROR)==OCI_SUCCESS) {
1017: msg=reason;
1018:
1019: // transcode to $request:charset from connect-string?client_charset
1.49 ! paf 1020: if(const char* cstrClientCharset=connection.options.cstrClientCharset) {
1.45 paf 1021: if(msg) {
1022: if(size_t msg_length=strlen(msg)) {
1.49 ! paf 1023: connection.services->transcode(msg, msg_length,
1.45 paf 1024: msg, msg_length,
1025: cstrClientCharset,
1.49 ! paf 1026: connection.services->request_charset());
1.45 paf 1027: }
1.42 paf 1028: }
1029: }
1.45 paf 1030: } else
1031: msg="[can not get error description]";
1032: break;
1.1 parser 1033: }
1034: case OCI_NEED_DATA:
1035: msg="NEED_DATA"; break;
1036: case OCI_NO_DATA:
1037: msg="NODATA"; break;
1038: case OCI_INVALID_HANDLE:
1039: msg="INVALID_HANDLE"; break;
1040: case OCI_STILL_EXECUTING:
1041: msg="STILL_EXECUTE"; break;
1042: case OCI_CONTINUE:
1043: msg="CONTINUE"; break;
1044: default:
1045: msg="unknown"; break;
1046: }
1047:
1.49 ! paf 1048: snprintf(connection.error, sizeof(connection.error), "%s (%s, %d)",
1.22 paf 1049: msg, step, (int)status);
1.49 ! paf 1050: longjmp(connection.mark, 1);
1.1 parser 1051: }
1052:
1.49 ! paf 1053: void check(Connection& connection, bool error) {
1.27 paf 1054: if(error)
1.49 ! paf 1055: longjmp(connection.mark, 1);
1.27 paf 1056: }
1.1 parser 1057:
1058: /* ----------------------------------------------------------------- */
1059: /* Intbind callback that does not do any data input. */
1060: /* ----------------------------------------------------------------- */
1061: static sb4 cbf_no_data(
1.45 paf 1062: dvoid* /*ctxp*/,
1063: OCIBind* /*bindp*/,
1064: ub4 /*iter*/, ub4 /*index*/,
1.1 parser 1065: dvoid **bufpp,
1066: ub4 *alenpp,
1067: ub1 *piecep,
1068: dvoid **indpp) {
1069: *bufpp=(dvoid *)0;
1070: *alenpp=0;
1071: static sb2 null_ind=-1;
1072: *indpp=(dvoid *) &null_ind;
1073: *piecep=OCI_ONE_PIECE;
1074:
1075: return OCI_CONTINUE;
1076: }
1077:
1078: /* ----------------------------------------------------------------- */
1079: /* Outbind callback for returning data. */
1080: /* ----------------------------------------------------------------- */
1081: static sb4 cbf_get_data(dvoid *ctxp,
1082: OCIBind *bindp,
1.45 paf 1083: ub4 /*iter*/, ub4 index,
1.1 parser 1084: dvoid **bufpp,
1085: ub4 **alenp,
1086: ub1 *piecep,
1087: dvoid **indpp,
1088: ub2 **rcodepp) {
1089: OracleSQL_query_lobs::cbf_context_struct &context=
1090: *(OracleSQL_query_lobs::cbf_context_struct *)ctxp;
1091:
1092: if(index==0) {
1093: static ub4 rows;
1.49 ! paf 1094: check(*context.connection, "AttrGet cbf_get_data ROWS_RETURNED",
1.1 parser 1095: OracleSQL_driver->OCIAttrGet(
1096: (CONST dvoid *) bindp, OCI_HTYPE_BIND, (dvoid *)&rows,
1.49 ! paf 1097: (ub4 *)sizeof(ub2), OCI_ATTR_ROWS_RETURNED, context.connection->errhp)) ;
1.1 parser 1098: context.rows->count=(ub2)rows;
1099: context.rows->row=(OracleSQL_query_lobs::return_rows::return_row *)
1.49 ! paf 1100: context.connection->services->malloc_atomic(sizeof(OracleSQL_query_lobs::return_rows::return_row)*rows);
1.1 parser 1101: }
1102:
1103: OracleSQL_query_lobs::return_rows::return_row &var=context.rows->row[index];
1104:
1.49 ! paf 1105: check(*context.connection, "alloc output var desc dynamic", OracleSQL_driver->OCIDescriptorAlloc(
! 1106: (dvoid *) context.connection->envhp, (dvoid **)&var.locator,
1.1 parser 1107: (ub4)OCI_DTYPE_LOB,
1108: 0, (dvoid **)0));
1109:
1110: *bufpp=var.locator;
1111: *alenp=&var.len;
1112: *indpp=(dvoid *) &var.ind;
1113: *piecep=OCI_ONE_PIECE;
1114: *rcodepp=&var.rcode;
1115:
1116: return OCI_CONTINUE;
1117: }
1118:
1.38 paf 1119: void tolower(char *out, const char *in, size_t size) {
1120: while(size--)
1.45 paf 1121: *out++=(char)tolower(*in++);
1.1 parser 1122: }
1.44 paf 1123: void toupper(char *out, const char *in, size_t size) {
1124: while(size--)
1.45 paf 1125: *out++=(char)toupper(*in++);
1.44 paf 1126: }
1127:
1.1 parser 1128:
1129: extern "C" SQL_Driver *SQL_DRIVER_CREATE() {
1130: return OracleSQL_driver=new OracleSQL_Driver();
1131: }