Oracle C++ Call Interface Programmer's Guide

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x isNull().......................................................................................................................................... 8-24 length() ......................................................................................................................................... 8-25 setNull()........................................................................................................................................ 8-25 Clob Class........................................................................................................................................... 8-26 Summary of Clob Methods ....................................................................................................... 8-26 append() ....................................................................................................................................... 8-28 close()............................................................................................................................................ 8-28 closeStream() ............................................................................................................................... 8-28 copy() ............................................................................................................................................ 8-28 getCharSetForm()........................................................................................................................ 8-29 getCharSetId() ............................................................................................................................. 8-30 getChunkSize()............................................................................................................................ 8-30 getStream()................................................................................................................................... 8-30 isInitialized()................................................................................................................................ 8-31 isNull().......................................................................................................................................... 8-31 isOpen()........................................................................................................................................ 8-31 length() ......................................................................................................................................... 8-31 open()............................................................................................................................................ 8-32 operator=() ................................................................................................................................... 8-32 operator==()................................................................................................................................. 8-32 operator!=().................................................................................................................................. 8-33 read()............................................................................................................................................. 8-33 setCharSetId().............................................................................................................................. 8-34 setCharSetForm() ........................................................................................................................ 8-34 setEmpty().................................................................................................................................... 8-35 setEmpty().................................................................................................................................... 8-35 setNull()........................................................................................................................................ 8-35 trim() ............................................................................................................................................. 8-35 write() ........................................................................................................................................... 8-36 writeChunk() ............................................................................................................................... 8-37 Connection Class............................................................................................................................... 8-38 Summary of Connection Methods ........................................................................................... 8-38 changePassword()....................................................................................................................... 8-39 commit() ....................................................................................................................................... 8-39 createStatement() ........................................................................................................................ 8-39
flushCache()................................................................................................................................. 8-40 getClientCharSet() ...................................................................................................................... 8-40 getClientNCHARCharSet()....................................................................................................... 8-40 getMetaData().............................................................................................................................. 8-40 getOCIServer() ............................................................................................................................ 8-41 getOCIServiceContext() ............................................................................................................. 8-42 getOCISession()........................................................................................................................... 8-42 rollback() ...................................................................................................................................... 8-42 terminateStatement().................................................................................................................. 8-42 ConnectionPool Class ...................................................................................................................... 8-43 Summary of ConnectionPool Methods ................................................................................... 8-43 createConnection()...................................................................................................................... 8-44 createProxyConnection() ........................................................................................................... 8-44 getBusyConnections() ................................................................................................................ 8-45 getIncrConnections().................................................................................................................. 8-45 getMaxConnections() ................................................................................................................. 8-45 getMinConnections().................................................................................................................. 8-46 getOpenConnections() ............................................................................................................... 8-46 getPoolName() ............................................................................................................................ 8-46 getTimeOut() ............................................................................................................................... 8-46 setErrorOnBusy()........................................................................................................................ 8-46 setPoolSize() ................................................................................................................................ 8-47 setTimeOut()................................................................................................................................ 8-47 terminateConnection() ............................................................................................................... 8-47 Date Class........................................................................................................................................... 8-49 Summary of Date Methods ....................................................................................................... 8-50 addDays()..................................................................................................................................... 8-52 addMonths()................................................................................................................................ 8-52 daysBetween()............................................................................................................................. 8-52 fromBytes() .................................................................................................................................. 8-53 fromText() .................................................................................................................................... 8-53 getDate()....................................................................................................................................... 8-54 getSystemDate().......................................................................................................................... 8-54 isNull().......................................................................................................................................... 8-55 lastDay()....................................................................................................................................... 8-55 xi
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: length() ..........................
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
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Specifying the Query } Executing SQ
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Status Definitions Executing Statem
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Executing Statements Dynamically No
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Null and Truncated Data Error Handl
Page 77 and 78:
Advanced Relational Techniques In T
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Note: Advanced Relational Technique
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Optimizing Performance Advanced Rel
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Advanced Relational Techniques indi
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3 Object Programming This chapter p
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Persistent Objects Working with Obj
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Values In the context of this manua
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See Also: Developing an OCCI Object
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Figure 3-1 Basic Object Operational
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Developing an OCCI Object Applicati
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Overview of Associative Access Maxi
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Retrieving an Object Reference (REF
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} Overview of Navigational Access T
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Overview of Complex Object Retrieva
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■ The reference to the root purch
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} void *operator new(size_t size, c
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Freeing Objects Type Inheritance Ty
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Type Inheritance Instance substitut
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A Sample OCCI Application void *ope
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} cout
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} A Sample OCCI Application /* comm
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4 Datatypes This chapter is a refer
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Internal Datatypes Note: There are
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External Datatypes ■ OCCI_SQLT_CH
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Table 4-2 External Datatypes, C++ D
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External Datatypes CHARZ The extern
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External Datatypes FLOAT The extern
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External Datatypes LONG The externa
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OCCI BYTES OCCI CLOB OCCI DATE See
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External Datatypes When RAW data in
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External Datatypes is not an intege
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Table 4-5 Data Conversions Internal
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LONG RAW I/O LONG VARRAW I/O OCCI B
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The following topics are covered in
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External LOBs (BFILEs) Overview of
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Table 5-1 OCCI LOB Classes and Meth
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Creating LOBs Table 5-1 OCCI LOB Cl
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LOB Classes and Methods Note: For i
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{ Blob blob=rset->getBlob(1); if(bl
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} blob.writeChunk(, buffer, BUFSIZE
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Updating LOBs LOB Classes and Metho
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Objects with LOB Attributes 5. Repi
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6 Metadata This chapter describes h
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Describing Database Metadata You ob
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Metatdata Code Examples Table 6-1 A
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Describing Database Metadata /* Cal
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Attribute Reference . . /* Create a
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Table 6-2 Attributes Belonging to A
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Package Attributes Type Attributes
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Type Attribute Attributes Table 6-8
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Collection Attributes Table 6-10 At
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Synonym Attributes Sequence Attribu
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Table 6-14 Attributes Belonging to
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List Attributes Table 6-15 Attribut
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Table 6-18 Attributes Specific to D
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7 How to Use the Object Type Transl
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How to Use the OTT Utility the Type
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How to Use the OTT Utility Example
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}; virtual void writeSQL(oracle::oc
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} streamOCCI_.setString(name); stre
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Invoking the OTT Utility For global
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Invoking the OTT Utility userid Par
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Overview of the INTYPE File The lin
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OTT Utility Datatype Mappings The O
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OTT Utility Datatype Mappings Note:
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the_clob CLOB, the_object object_ty
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OTT Utility Datatype Mappings When
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class other_type : public oracle::o
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Overview of the OUTTYPE File its ve
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Figure 7-1 The OTT Utility with OCC
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The OTT Utility and OCCI Applicatio
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}; static void *readSQL(void *ctxOC
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public: }; void *operator new(size_
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{ FullName *objOCCI_ = (FullName *)
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excep.setErrorCtx(ctxOCCI_); } retu
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} setVector(streamOCCI_, PREV_ADDR_
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TYPE SCOTT.FULL_NAME AS FullName VE
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}; The OTT Utility and OCCI Applica
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***********************************
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#endif Map Registry Function The OT
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public: }; void *operator new(size_
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}; static void *readSQL(void *ctxOC
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eturn; } void CFullName::writeSQL(o
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Page 247 and 248:
eturn oracle::occi::PObject::operat
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Properties of OTT Markers Following
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Where the Markers Can Be Used Carry
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Carrying Forward User Added Code be
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DROP TABLE PERSON_TAB; DROP TABLE A
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Carrying Forward User Added Code AD
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}; PERSON_O(); Carrying Forward Use
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addr = new_addr; this->markModified
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} return; } void ADDRESS_O::writeSQ
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} streamOCCI_.setString(last_name);
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mdemo1m.cpp // --------------------
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conn->terminateStatement(stmt); //
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Example OCCI Application Example OC
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■ Example of C++ Source File for
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OCCI_STD_NAMESPACE::string STATE; O
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}; void *operator new(size_t size);
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OCCI_STD_NAMESPACE::string CFullNam
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} streamOCCI_.setString(FirstName);
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{ if (objOCCI_->isNull()) streamOCC
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OCCI_STD_NAMESPACE::string CPerson:
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{ return oracle::occi::PObject::ope
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#ifndef CPERSON_ORACLE # include "c
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Example OCCI Application /*********
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* initialize MyFullName */ MyFullNa
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* Display all the information of My
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Example OCCI Application conn, and
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} RefAny jillrefany = resultSet2->g
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Connection *conn = env->createConne
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OTT Command Line Syntax OTT Utility
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■ CPPFILE Parameter ■ ERRTYPE P
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OTT Utility Reference CONFIG Parame
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INITFUNC=filename OTT Utility Refer
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See Also: "SCHEMA_NAMES Usage" on p
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Structure of the INTYPE File OTT Ut
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■ It appears in the INTYPE file.
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struct px1_ind col1 }; typedef stru
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OTT Utility Reference The Pro*C/C++
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OTT Utility Reference Once the OTT
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This part contains one chapter: ■
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Summary of OCCI Classes Summary of
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OCCI Classes and Methods using Decl
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Bfile Class close() closeStream() T
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Bfile Class isInitialized() isNull(
Page 334 and 335:
Bfile Class operator!=() read() Syn
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Blob Class Blob Class The Blob clas
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Blob Class close() closeStream() co
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Blob Class getStream() isInitialize
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Blob Class operator==() operator!=
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Blob Class setNull() trim() write()
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Blob Class buffer The buffer contai
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Bytes Class getBytes() isNull() Par
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Clob Class Clob Class The Clob clas
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Clob Class append() close() closeSt
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Clob Class getCharSetId() getChunkS
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Clob Class open() operator=() opera
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Clob Class setCharSetId() setCharSe
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Clob Class write() Valid values are
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Connection Class Connection Class T
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Connection Class flushCache() This
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Connection Class Syntax LNOCIServer
Page 368 and 369:
ConnectionPool Class createConnecti
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ConnectionPool Class getMinConnecti
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ConnectionPool Class Syntax void te
Page 374 and 375:
Date Class Summary of Date Methods
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Date Class addDays() addMonths() da
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Date Class getDate() getSystemDate(
Page 380 and 381:
Date Class operator==() operator!=(
Page 382 and 383:
Date Class operator
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Date Class toZone() const string &n
Page 386 and 387:
Environment Class Environment Class
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Environment Class Syntax Connection
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Environment Class getCacheMaxSize()
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Environment Class terminateConnecti
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IntervalDS Class Constructs an Inte
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IntervalDS Class fromText() getDay(
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IntervalDS Class operator*=() opera
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IntervalDS Class operator/=() opera
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IntervalDS Class operator-=() opera
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IntervalDS Class toText() This meth
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IntervalYM Class The following code
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IntervalYM Class getMonth() getYear
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IntervalYM Class operator!=() opera
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IntervalYM Class operator
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IntervalYM Class set() setNull() to
Page 416 and 417:
Map Class Map Class The Map class i
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MetaData Class MetaData Class A Met
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MetaData Class Summary of MetaData
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MetaData Class getMetaData() getNum
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MetaData Class getVector() operator
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Number Class Translates a native lo
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Number Class nu4 = nu1 + nu2; /* Co
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Number Class Table 8-14 Number Meth
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Number Class arcTan2() ceil() cos()
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Number Class hypCos() hypSin() hypT
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Number Class operator++() operator-
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Number Class operator-() operator-(
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Number Class operator>=() operator=
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Number Class operator%=() operator+
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Number Class operator long() operat
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Number Class round() setNull() shif
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Number Class toText() trunc() Synta
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PObject Class PObject Class OCCI pr
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PObject Class isLocked() isNull() l
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PObject Class operator new() pin()
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Ref Class Ref Class The mapping in
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Ref Class isClear() isNull() markDe
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Ref Class operator=() ptr() Paramet
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Ref Class setNull() unmarkDelete()
Page 464 and 465:
RefAny Class getConnection() getRef
Page 466 and 467:
ResultSet Class ResultSet Class Res
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ResultSet Class Table 8-18 ResultSe
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ResultSet Class getBfile() getBlob(
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ResultSet Class getCurrentStreamCol
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ResultSet Class getFloat() getInt()
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ResultSet Class getNumber() getObje
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ResultSet Class getString() getTime
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ResultSet Class vector &vect); void
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ResultSet Class isNull() isTruncate
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ResultSet Class Parameters setBinar
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ResultSet Class in the *length para
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ResultSet Class setMaxColumnSize()
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SQLException Class getMessage() set
Page 492 and 493:
Statement Class Table 8-20 Statemen
Page 494 and 495:
Statement Class Table 8-20 Statemen
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Statement Class closeStream() execu
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Statement Class arrayLength paramet
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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
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Statement Class setAutoCommit() set
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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
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Statement Class setRef() setRowid()
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Statement Class setUInt() setVector
Page 532 and 533:
Statement Class void setVector(Stat
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Statement Class status() sqltype sq
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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
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Timestamp Class operator>=() operat
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Timestamp Class setNull() setTime()
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Timestamp Class toText() Return str
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A OCCI Demonstration Programs Oracl
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OCCI Demonstration Programs # 2. A
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OCCI Demonstration Programs # 2. A
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OCCI Demonstration Programs occidem
Page 561 and 562:
occiblob.cpp build_static: $(OBJS)
Page 563 and 564:
} /** * printing the blob data as i
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occiclob.cpp { Blob blob = rset->ge
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* populating the clob; */ void popu
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int clobLength=clob.length (); cout
Page 571 and 572:
~occicoll () { env->terminateConnec
Page 573 and 574:
Deleting a row in a nested table vo
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occidesc.cpp cout
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OCCI Demonstration Programs cout
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OCCI Demonstration Programs else co
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cout
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case OCCI_SQLT_LBI : return "LONG R
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void insertBind (int c1, string c2)
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{ OCCI Demonstration Programs strin
Page 589 and 590:
using namespace oracle::occi; using
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fs_obj->setpartner(fs_partner); fs_
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fs_ref->getleader(); /* Leader's Pa
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occiobj.cpp OCCI Demonstration Prog
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}catch(SQLException ex) { cout
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occipobj.typ occipobj.cpp demo->upd
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OCCI Demonstration Programs /** * I
Page 603 and 604:
OCCI Demonstration Programs RefAny
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** * Destructor for the occipool te
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#include #include using namespace
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occistre.cpp OCCI Demonstration Pro
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delete (demo); cout
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A application-provided serializatio
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OCCI DATE, 4-15 OCCI INTERVALDS, 4-
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N RefAny methods, 8-139, 8-143 setD
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RESULT_SET_AVAILABLE status, 2-17,
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