Oracle C++ Call Interface Programmer's Guide

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ResultSet Class getCurrentStreamColumn() getCurrentStreamRow() getCursor() Syntax vector getColumnListMetaData() const; If the result set has any input Stream parameters, this method returns the column index of the current input Stream that must be read. If no output Stream needs to be read, or there are no input Stream columns in the result set, this method returns 0. Returns the column index of the current input Stream column that must be read. Syntax unsigned int getCurrentStreamColumn() const; If the result has any input Streams, this method returns the current row of the result set that is being processed by OCCI. If this method is called after all the rows in the set of array of rows have been processed, it returns 0. Returns the row number of the current row that is being processed. The first row is numbered 1 and so on. Syntax unsigned int getCurrentStreamRow() const; Get the nested cursor as an ResultSet. Data can be fetched from this result set. A nested cursor results from a nested query with a CURSOR(SELECT ... ) clause. SELECT ename, CURSOR(SELECT dname, loc FROM dept) FROM emp WHERE ename = ’JONES’ Note that if there are multiple REF CURSORs being returned, data from each cursor must be completely fetched before retrieving the next REF CURSOR and starting fetch on it. Returns A ResultSet for the nested cursor. Syntax ResultSet * getCursor(unsigned int colIndex); 8-148 Oracle C++ Call Interface Programmer’s Guide
getDate() Parameters colIndex The first column is 1, the second is 2, . . . . ResultSet Class Get the value of a column in the current row as a Date object. Returns the column value; if the value is SQL null, the result is null Syntax Date getDate(unsigned int colIndex); Parameters colIndex The first column is 1, the second is 2, . . . . getDatebaseNCHARParam() getDouble() Returns whether data is in NCHAR character set or not. Syntax bool getDatebaseNCHARPARAM(unsigned int paramIndex) const; Parameters paramIndex Parameter index. Gets the value of a column in the current row as a C++ double. Returns the column value; if the value is SQL null, the result is 0 Syntax double getDouble(unsigned int colIndex); OCCI Classes and Methods 8-149
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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
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 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(
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Statement Class setDouble() setErro
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Statement Class setIntervalDS() set
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Statement Class setNumber() setObje
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Statement Class setRef() setRowid()
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Statement Class setUInt() setVector
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Statement Class void setVector(Stat
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Statement Class status() sqltype sq
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Stream Class readLastBuffer() write
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Timestamp Class Timestamp Class Thi
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Timestamp Class } if(reft() on page
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Timestamp Class getDate() getTime()
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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
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occiblob.cpp build_static: $(OBJS)
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} /** * 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
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~occicoll () { env->terminateConnec
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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
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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
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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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