Oracle C++ Call Interface Programmer's Guide

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OCCI Demonstration Programs occicoll.cpp } The following code example demonstrates how to perform simple insert, delete, and update operations on a table column of type Nested Table: /** *occicoll - To exhibit simple insert, delete & update operations" * " on table having a Nested Table column * *Description * Create a program which has insert,delete and update on a * table having a Nested table column. * Perform all these operations using OCCI interface. */ #include #include using namespace oracle::occi; using namespace std; typedef vector journal; class occicoll { private: Environment *env; Connection *conn; Statement *stmt; string tableName; string typeName; public: occicoll (string user, string passwd, string db) { env = Environment::createEnvironment (Environment::OBJECT); conn = env->createConnection (user, passwd, db); initRows(); } A-18 Oracle C++ Call Interface Programmer’s Guide
~occicoll () { env->terminateConnection (conn); Environment::terminateEnvironment (env); } void setTableName (string s) { tableName = s; } OCCI Demonstration Programs void initRows () { try{ Statement *st1 = conn->createStatement ("DELETE FROM journal_tab"); st1->executeUpdate (); st1->setSQL("INSERT INTO journal_tab (jid, jname) VALUES (22, journal ('NATION', 'TIMES'))"); st1->executeUpdate (); st1->setSQL("INSERT INTO journal_tab (jid, jname) VALUES (33, journal ('CRICKET', 'ALIVE'))"); st1->executeUpdate (); conn->commit(); conn->terminateStatement (stmt); }catch(SQLException ex) { cout
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Oracle® C++ Call Interface Program
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List List of Figures Tables Content
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Null and Truncated Data............
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6 Metadata Overview of Metadata ...
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length() ..........................
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flushCache().......................
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getSecond() .......................
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cos()..............................
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operator new().....................
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isTruncated() .....................
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setCharacterStreamMode() ..........
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Index occiinh.typ .................
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List of Tables 2-1 Normal Data - No
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Oracle C++ Call Interface Programme
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Preface The Oracle C++ Call Interfa
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Related Documentation Chapter 4, "D
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Conventions in Text We use various
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Convention Meaning Example UPPERCAS
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What’s New in Orace C++ Call Inte
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■ Number Class ■ operator signe
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1 Introduction to OCCI This chapter
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Building an OCCI Application Overvi
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Processing of SQL Statements In an
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Overview of PL/SQL SELECT dname FRO
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Object Support Client-Side Object C
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Metadata Class Object Support ■ B
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2 Relational Programming This chapt
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. . . stmt->closeResultSet(rs); con
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const string poolUserName = "SCOTT"
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■ executeArrayUpdate: To execute
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Standard Statements Types of SQL St
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Types of SQL Statements in the OCCI
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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
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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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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(
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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
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ConnectionPool Class createConnecti
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ConnectionPool Class getMinConnecti
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ConnectionPool Class Syntax void te
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Date Class Summary of Date Methods
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Date Class addDays() addMonths() da
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Date Class getDate() getSystemDate(
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Date Class operator==() operator!=(
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Date Class operator
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Date Class toZone() const string &n
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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
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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()
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RefAny Class getConnection() getRef
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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
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Statement Class Table 8-20 Statemen
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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(
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Statement Class getCurrentStreamIte
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Statement Class getFloat() getInt()
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Statement Class getObject() getOCIS
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Statement Class getString() getTime
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Statement Class vector &vect; void
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Statement Class isNull() isTruncate
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Statement Class setAutoCommit() set
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Statement Class setBytes() x The pa
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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: int clobLength=clob.length (); cout
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,
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