Oracle C++ Call Interface Programmer's Guide

More documents

Recommendations

Info

Example OCCI Application } void CStudent::writeSQL(void *objectOCCI_, void *ctxOCCI_) { CStudent *objOCCI_ = (CStudent *) objectOCCI_; oracle::occi::AnyData streamOCCI_(ctxOCCI_); try { if (objOCCI_->isNull()) streamOCCI_.setNull(); else objOCCI_->writeSQL(streamOCCI_); } catch (oracle::occi::SQLException& excep) { excep.setErrorCtx(ctxOCCI_); } return; } void CStudent::writeSQL(oracle::occi::AnyData& streamOCCI_) { CPerson::writeSQL(streamOCCI_); streamOCCI_.setString(SCHOOL_NAME); } Example of Register Mappings Header File: registerMappings.h #ifndef REGISTERMAPPINGS_ORACLE # define REGISTERMAPPINGS_ORACLE #ifndef OCCI_ORACLE # include #endif #ifndef CFULLNAME_ORACLE # include "cfullname.h" #endif #ifndef CADDRESS_ORACLE # include "caddress.h" #endif 7-102 Oracle C++ Call Interface Programmer’s Guide
#ifndef CPERSON_ORACLE # include "cperson.h" #endif #ifndef CSTUDENT_ORACLE # include "cstudent.h" #endif void registerMappings(oracle::occi::Environment* envOCCI_); #endif Example OCCI Application Example of C++ Source File for Register Mappings: registerMappings.cpp #ifndef REGISTERMAPPINGS_ORACLE # include "registerMappings.h" #endif void registerMappings(oracle::occi::Environment* envOCCI_) { oracle::occi::Map *mapOCCI_ = envOCCI_->getMap(); mapOCCI_->put("SCOTT.FULL_NAME", CFullName::readSQL, CFullName::writeSQL); mapOCCI_->put("SCOTT.ADDRESS", CAddress::readSQL, CAddress::writeSQL); mapOCCI_->put("SCOTT.PERSON", CPerson::readSQL, CPerson::writeSQL); mapOCCI_->put("SCOTT.STUDENT", CStudent::readSQL, CStudent::writeSQL); } How to Use the Object Type Translator Utility 7-103
Page 1 and 2:
Oracle® C++ Call Interface Program
Page 3 and 4:
List List of Figures Tables Content
Page 5 and 6:
Null and Truncated Data............
Page 7 and 8:
6 Metadata Overview of Metadata ...
Page 9 and 10:
length() ..........................
Page 11 and 12:
flushCache().......................
Page 13 and 14:
getSecond() .......................
Page 15 and 16:
cos()..............................
Page 17 and 18:
operator new().....................
Page 19 and 20:
isTruncated() .....................
Page 21 and 22:
setCharacterStreamMode() ..........
Page 23 and 24:
Index occiinh.typ .................
Page 25 and 26:
List of Tables 2-1 Normal Data - No
Page 27 and 28:
Oracle C++ Call Interface Programme
Page 29 and 30:
Preface The Oracle C++ Call Interfa
Page 31 and 32:
Related Documentation Chapter 4, "D
Page 33 and 34:
Conventions in Text We use various
Page 35 and 36:
Convention Meaning Example UPPERCAS
Page 37 and 38:
What’s New in Orace C++ Call Inte
Page 39:
■ Number Class ■ operator signe
Page 43 and 44:
1 Introduction to OCCI This chapter
Page 45 and 46:
Building an OCCI Application Overvi
Page 47 and 48:
Processing of SQL Statements In an
Page 49 and 50:
Overview of PL/SQL SELECT dname FRO
Page 51 and 52:
Object Support Client-Side Object C
Page 53 and 54:
Metadata Class Object Support ■ B
Page 55 and 56:
2 Relational Programming This chapt
Page 57 and 58:
. . . stmt->closeResultSet(rs); con
Page 59 and 60:
const string poolUserName = "SCOTT"
Page 61 and 62:
■ executeArrayUpdate: To execute
Page 63 and 64:
Standard Statements Types of SQL St
Page 65 and 66:
Types of SQL Statements in the OCCI
Page 67 and 68:
Executing SQL Queries Executing SQL
Page 69 and 70:
Specifying the Query } Executing SQ
Page 71 and 72:
Status Definitions Executing Statem
Page 73 and 74:
Executing Statements Dynamically No
Page 75 and 76:
Null and Truncated Data Error Handl
Page 77 and 78:
Advanced Relational Techniques In T
Page 79 and 80:
Note: Advanced Relational Technique
Page 81 and 82:
Optimizing Performance Advanced Rel
Page 83 and 84:
Advanced Relational Techniques indi
Page 85 and 86:
3 Object Programming This chapter p
Page 87 and 88:
Persistent Objects Working with Obj
Page 89 and 90:
Values In the context of this manua
Page 91 and 92:
See Also: Developing an OCCI Object
Page 93 and 94:
Figure 3-1 Basic Object Operational
Page 95 and 96:
Developing an OCCI Object Applicati
Page 97 and 98:
Overview of Associative Access Maxi
Page 99 and 100:
Retrieving an Object Reference (REF
Page 101 and 102:
} Overview of Navigational Access T
Page 103 and 104:
Overview of Complex Object Retrieva
Page 105 and 106:
■ The reference to the root purch
Page 107 and 108:
} void *operator new(size_t size, c
Page 109 and 110:
Freeing Objects Type Inheritance Ty
Page 111 and 112:
Type Inheritance Instance substitut
Page 113 and 114:
A Sample OCCI Application void *ope
Page 115 and 116:
} cout
Page 117 and 118:
} A Sample OCCI Application /* comm
Page 119 and 120:
4 Datatypes This chapter is a refer
Page 121 and 122:
Internal Datatypes Note: There are
Page 123 and 124:
External Datatypes ■ OCCI_SQLT_CH
Page 125 and 126:
Table 4-2 External Datatypes, C++ D
Page 127 and 128:
External Datatypes CHARZ The extern
Page 129 and 130:
External Datatypes FLOAT The extern
Page 131 and 132:
External Datatypes LONG The externa
Page 133 and 134:
OCCI BYTES OCCI CLOB OCCI DATE See
Page 135 and 136:
External Datatypes When RAW data in
Page 137 and 138:
External Datatypes is not an intege
Page 139 and 140:
Table 4-5 Data Conversions Internal
Page 141 and 142:
LONG RAW I/O LONG VARRAW I/O OCCI B
Page 143 and 144:
The following topics are covered in
Page 145 and 146:
External LOBs (BFILEs) Overview of
Page 147 and 148:
Table 5-1 OCCI LOB Classes and Meth
Page 149 and 150:
Creating LOBs Table 5-1 OCCI LOB Cl
Page 151 and 152:
LOB Classes and Methods Note: For i
Page 153 and 154:
{ Blob blob=rset->getBlob(1); if(bl
Page 155 and 156:
} blob.writeChunk(, buffer, BUFSIZE
Page 157 and 158:
Updating LOBs LOB Classes and Metho
Page 159 and 160:
Objects with LOB Attributes 5. Repi
Page 161 and 162:
6 Metadata This chapter describes h
Page 163 and 164:
Describing Database Metadata You ob
Page 165 and 166:
Metatdata Code Examples Table 6-1 A
Page 167 and 168:
Describing Database Metadata /* Cal
Page 169 and 170:
Attribute Reference . . /* Create a
Page 171 and 172:
Table 6-2 Attributes Belonging to A
Page 173 and 174:
Package Attributes Type Attributes
Page 175 and 176:
Type Attribute Attributes Table 6-8
Page 177 and 178:
Collection Attributes Table 6-10 At
Page 179 and 180:
Synonym Attributes Sequence Attribu
Page 181 and 182:
Table 6-14 Attributes Belonging to
Page 183 and 184:
List Attributes Table 6-15 Attribut
Page 185 and 186:
Table 6-18 Attributes Specific to D
Page 187 and 188:
7 How to Use the Object Type Transl
Page 189 and 190:
How to Use the OTT Utility the Type
Page 191 and 192:
How to Use the OTT Utility Example
Page 193 and 194:
}; virtual void writeSQL(oracle::oc
Page 195 and 196:
} streamOCCI_.setString(name); stre
Page 197 and 198:
Invoking the OTT Utility For global
Page 199 and 200:
Invoking the OTT Utility userid Par
Page 201 and 202:
Overview of the INTYPE File The lin
Page 203 and 204:
OTT Utility Datatype Mappings The O
Page 205 and 206:
OTT Utility Datatype Mappings Note:
Page 207 and 208:
the_clob CLOB, the_object object_ty
Page 209 and 210:
OTT Utility Datatype Mappings When
Page 211 and 212:
class other_type : public oracle::o
Page 213 and 214:
Overview of the OUTTYPE File its ve
Page 215 and 216:
Figure 7-1 The OTT Utility with OCC
Page 217 and 218:
The OTT Utility and OCCI Applicatio
Page 219 and 220:
}; static void *readSQL(void *ctxOC
Page 221 and 222:
public: }; void *operator new(size_
Page 223 and 224:
{ FullName *objOCCI_ = (FullName *)
Page 225 and 226:
excep.setErrorCtx(ctxOCCI_); } retu
Page 227 and 228:
} setVector(streamOCCI_, PREV_ADDR_
Page 229 and 230:
TYPE SCOTT.FULL_NAME AS FullName VE
Page 231 and 232:
}; The OTT Utility and OCCI Applica
Page 233 and 234:
***********************************
Page 235 and 236:
#endif Map Registry Function The OT
Page 237 and 238: The OTT Utility and OCCI Applicatio
Page 239 and 240: public: }; void *operator new(size_
Page 241 and 242: }; static void *readSQL(void *ctxOC
Page 243 and 244: eturn; } void CFullName::writeSQL(o
Page 245 and 246: The OTT Utility and OCCI Applicatio
Page 247 and 248: eturn oracle::occi::PObject::operat
Page 249 and 250: Properties of OTT Markers Following
Page 251 and 252: Where the Markers Can Be Used Carry
Page 253 and 254: Carrying Forward User Added Code be
Page 255 and 256: DROP TABLE PERSON_TAB; DROP TABLE A
Page 257 and 258: Carrying Forward User Added Code AD
Page 259 and 260: }; PERSON_O(); Carrying Forward Use
Page 261 and 262: addr = new_addr; this->markModified
Page 263 and 264: } return; } void ADDRESS_O::writeSQ
Page 265 and 266: } streamOCCI_.setString(last_name);
Page 267 and 268: mdemo1m.cpp // --------------------
Page 269 and 270: conn->terminateStatement(stmt); //
Page 271 and 272: Example OCCI Application Example OC
Page 273 and 274: ■ Example of C++ Source File for
Page 275 and 276: OCCI_STD_NAMESPACE::string STATE; O
Page 277 and 278: }; void *operator new(size_t size);
Page 279 and 280: OCCI_STD_NAMESPACE::string CFullNam
Page 281 and 282: } streamOCCI_.setString(FirstName);
Page 283 and 284: { if (objOCCI_->isNull()) streamOCC
Page 285 and 286: OCCI_STD_NAMESPACE::string CPerson:
Page 287: { return oracle::occi::PObject::ope
Page 291 and 292: Example OCCI Application /*********
Page 293 and 294: * initialize MyFullName */ MyFullNa
Page 295 and 296: * Display all the information of My
Page 297 and 298: Example OCCI Application conn, and
Page 299 and 300: } RefAny jillrefany = resultSet2->g
Page 301 and 302: Connection *conn = env->createConne
Page 303 and 304: OTT Command Line Syntax OTT Utility
Page 305 and 306: ■ CPPFILE Parameter ■ ERRTYPE P
Page 307 and 308: OTT Utility Reference CONFIG Parame
Page 309 and 310: INITFUNC=filename OTT Utility Refer
Page 311 and 312: See Also: "SCHEMA_NAMES Usage" on p
Page 313 and 314: Structure of the INTYPE File OTT Ut
Page 315 and 316: ■ It appears in the INTYPE file.
Page 317 and 318: struct px1_ind col1 }; typedef stru
Page 319 and 320: OTT Utility Reference The Pro*C/C++
Page 321 and 322: OTT Utility Reference Once the OTT
Page 323: This part contains one chapter: ■
Page 326 and 327: Summary of OCCI Classes Summary of
Page 328 and 329: OCCI Classes and Methods using Decl
Page 330 and 331: Bfile Class close() closeStream() T
Page 332 and 333: Bfile Class isInitialized() isNull(
Page 334 and 335: Bfile Class operator!=() read() Syn
Page 336 and 337: Blob Class Blob Class The Blob clas
Page 338 and 339:
Blob Class close() closeStream() co
Page 340 and 341:
Blob Class getStream() isInitialize
Page 342 and 343:
Blob Class operator==() operator!=
Page 344 and 345:
Blob Class setNull() trim() write()
Page 346 and 347:
Blob Class buffer The buffer contai
Page 348 and 349:
Bytes Class getBytes() isNull() Par
Page 350 and 351:
Clob Class Clob Class The Clob clas
Page 352 and 353:
Clob Class append() close() closeSt
Page 354 and 355:
Clob Class getCharSetId() getChunkS
Page 356 and 357:
Clob Class open() operator=() opera
Page 358 and 359:
Clob Class setCharSetId() setCharSe
Page 360 and 361:
Clob Class write() Valid values are
Page 362 and 363:
Connection Class Connection Class T
Page 364 and 365:
Connection Class flushCache() This
Page 366 and 367:
Connection Class Syntax LNOCIServer
Page 368 and 369:
ConnectionPool Class createConnecti
Page 370 and 371:
ConnectionPool Class getMinConnecti
Page 372 and 373:
ConnectionPool Class Syntax void te
Page 374 and 375:
Date Class Summary of Date Methods
Page 376 and 377:
Date Class addDays() addMonths() da
Page 378 and 379:
Date Class getDate() getSystemDate(
Page 380 and 381:
Date Class operator==() operator!=(
Page 382 and 383:
Date Class operator
Page 384 and 385:
Date Class toZone() const string &n
Page 386 and 387:
Environment Class Environment Class
Page 388 and 389:
Environment Class Syntax Connection
Page 390 and 391:
Environment Class getCacheMaxSize()
Page 392 and 393:
Environment Class terminateConnecti
Page 394 and 395:
IntervalDS Class Constructs an Inte
Page 396 and 397:
IntervalDS Class fromText() getDay(
Page 398 and 399:
IntervalDS Class operator*=() opera
Page 400 and 401:
IntervalDS Class operator/=() opera
Page 402 and 403:
IntervalDS Class operator-=() opera
Page 404 and 405:
IntervalDS Class toText() This meth
Page 406 and 407:
IntervalYM Class The following code
Page 408 and 409:
IntervalYM Class getMonth() getYear
Page 410 and 411:
IntervalYM Class operator!=() opera
Page 412 and 413:
IntervalYM Class operator
Page 414 and 415:
IntervalYM Class set() setNull() to
Page 416 and 417:
Map Class Map Class The Map class i
Page 418 and 419:
MetaData Class MetaData Class A Met
Page 420 and 421:
MetaData Class Summary of MetaData
Page 422 and 423:
MetaData Class getMetaData() getNum
Page 424 and 425:
MetaData Class getVector() operator
Page 426 and 427:
Number Class Translates a native lo
Page 428 and 429:
Number Class nu4 = nu1 + nu2; /* Co
Page 430 and 431:
Number Class Table 8-14 Number Meth
Page 432 and 433:
Number Class arcTan2() ceil() cos()
Page 434 and 435:
Number Class hypCos() hypSin() hypT
Page 436 and 437:
Number Class operator++() operator-
Page 438 and 439:
Number Class operator-() operator-(
Page 440 and 441:
Number Class operator>=() operator=
Page 442 and 443:
Number Class operator%=() operator+
Page 444 and 445:
Number Class operator long() operat
Page 446 and 447:
Number Class round() setNull() shif
Page 448 and 449:
Number Class toText() trunc() Synta
Page 450 and 451:
PObject Class PObject Class OCCI pr
Page 452 and 453:
PObject Class isLocked() isNull() l
Page 454 and 455:
PObject Class operator new() pin()
Page 456 and 457:
Ref Class Ref Class The mapping in
Page 458 and 459:
Ref Class isClear() isNull() markDe
Page 460 and 461:
Ref Class operator=() ptr() Paramet
Page 462 and 463:
Ref Class setNull() unmarkDelete()
Page 464 and 465:
RefAny Class getConnection() getRef
Page 466 and 467:
ResultSet Class ResultSet Class Res
Page 468 and 469:
ResultSet Class Table 8-18 ResultSe
Page 470 and 471:
ResultSet Class getBfile() getBlob(
Page 472 and 473:
ResultSet Class getCurrentStreamCol
Page 474 and 475:
ResultSet Class getFloat() getInt()
Page 476 and 477:
ResultSet Class getNumber() getObje
Page 478 and 479:
ResultSet Class getString() getTime
Page 480 and 481:
ResultSet Class vector &vect); void
Page 482 and 483:
ResultSet Class isNull() isTruncate
Page 484 and 485:
ResultSet Class Parameters setBinar
Page 486 and 487:
ResultSet Class in the *length para
Page 488 and 489:
ResultSet Class setMaxColumnSize()
Page 490 and 491:
SQLException Class getMessage() set
Page 492 and 493:
Statement Class Table 8-20 Statemen
Page 494 and 495:
Statement Class Table 8-20 Statemen
Page 496 and 497:
Statement Class closeStream() execu
Page 498 and 499:
Statement Class arrayLength paramet
Page 500 and 501:
Statement Class getBfile() getBlob(
Page 502 and 503:
Statement Class getCurrentStreamIte
Page 504 and 505:
Statement Class getFloat() getInt()
Page 506 and 507:
Statement Class getObject() getOCIS
Page 508 and 509:
Statement Class getString() getTime
Page 510 and 511:
Statement Class vector &vect; void
Page 512 and 513:
Statement Class isNull() isTruncate
Page 514 and 515:
Statement Class setAutoCommit() set
Page 516 and 517:
Statement Class setBytes() x The pa
Page 518 and 519:
Statement Class Syntax void setDate
Page 520 and 521:
Statement Class setDataBufferArray(
Page 522 and 523:
Statement Class setDouble() setErro
Page 524 and 525:
Statement Class setIntervalDS() set
Page 526 and 527:
Statement Class setNumber() setObje
Page 528 and 529:
Statement Class setRef() setRowid()
Page 530 and 531:
Statement Class setUInt() setVector
Page 532 and 533:
Statement Class void setVector(Stat
Page 534 and 535:
Statement Class status() sqltype sq
Page 536 and 537:
Stream Class readLastBuffer() write
Page 538 and 539:
Timestamp Class Timestamp Class Thi
Page 540 and 541:
Timestamp Class } if(reft() on page
Page 542 and 543:
Timestamp Class getDate() getTime()
Page 544 and 545:
Timestamp Class intervalSub() isNul
Page 546 and 547:
Timestamp Class operator>=() operat
Page 548 and 549:
Timestamp Class setNull() setTime()
Page 550 and 551:
Timestamp Class toText() Return str
Page 553 and 554:
A OCCI Demonstration Programs Oracl
Page 555 and 556:
OCCI Demonstration Programs # 2. A
Page 557 and 558:
OCCI Demonstration Programs # 2. A
Page 559 and 560:
OCCI Demonstration Programs occidem
Page 561 and 562:
occiblob.cpp build_static: $(OBJS)
Page 563 and 564:
} /** * printing the blob data as i
Page 565 and 566:
occiclob.cpp { Blob blob = rset->ge
Page 567 and 568:
* populating the clob; */ void popu
Page 569 and 570:
int clobLength=clob.length (); cout
Page 571 and 572:
~occicoll () { env->terminateConnec
Page 573 and 574:
Deleting a row in a nested table vo
Page 575 and 576:
occidesc.cpp cout
Page 577 and 578:
OCCI Demonstration Programs cout
Page 579 and 580:
OCCI Demonstration Programs else co
Page 581 and 582:
cout
Page 583 and 584:
case OCCI_SQLT_LBI : return "LONG R
Page 585 and 586:
void insertBind (int c1, string c2)
Page 587 and 588:
{ OCCI Demonstration Programs strin
Page 589 and 590:
using namespace oracle::occi; using
Page 591 and 592:
fs_obj->setpartner(fs_partner); fs_
Page 593 and 594:
fs_ref->getleader(); /* Leader's Pa
Page 595 and 596:
occiobj.cpp OCCI Demonstration Prog
Page 597 and 598:
}catch(SQLException ex) { cout
Page 599 and 600:
occipobj.typ occipobj.cpp demo->upd
Page 601 and 602:
OCCI Demonstration Programs /** * I
Page 603 and 604:
OCCI Demonstration Programs RefAny
Page 605 and 606:
** * Destructor for the occipool te
Page 607 and 608:
#include #include using namespace
Page 609 and 610:
occistre.cpp OCCI Demonstration Pro
Page 611 and 612:
delete (demo); cout
Page 613 and 614:
A application-provided serializatio
Page 615 and 616:
OCCI DATE, 4-15 OCCI INTERVALDS, 4-
Page 617 and 618:
N RefAny methods, 8-139, 8-143 setD
Page 619 and 620:
RESULT_SET_AVAILABLE status, 2-17,
show all

Oracle C++ Call Interface Programmer's Guide

You also want an ePaper? Increase the reach of your titles

Delete template?

Save as template?