Getting Startedwith pureQuery

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184 Getting Started with pureQuery DataFactory User input: Connection DataSource getData(…) Data Figure 10.1 - Creating an instance of Data for the pureQuery inline style Figure 10.2 shows how you can use the inline methods that are available on an instance of Data to run SQL statements and get results in a wide variety of formats.
Chapter 10 – Inline Programming Style 185 User input: SQL CALL Data User input: SQL SELECT RowType[] RowType Iterator List queryArray(…) queryFirst(…) queryIterator(…) queryList(…) User input: SQL INSERT SQL UPDATE SQL DELETE SQL MERGE Update count Generated keys Update counts update(…) update(…) updateMany(…) ResultSet ResultType queryResults(…) query (…) commit() rollback() call(…) StoredProcedureResult call(…) CallResultType setAutoCommit(…) close() getAutoCommit() Figure 10.2 - The inline methods available through an instance of the Data interface In Figure 10.2, RowType represents the format in which each row of a query result is returned. There are a number of ways to specify this. ResultType represents the format that is specified by the parameterized type RES of a com.ibm.pdq.runtime.handlers.ResultHandler object. CallResultType represents the format that is specified by the parameterized type CAL of a com.ibm.pdq.runtime.handlers.CallHandlerWithParameters object. Chapter 13 discusses pureQuery handlers. There are several benefits to using the inline programming style, including: • You can speed-up your application development. The methods in the Data interface do most of the work for accessing the data. All you have to do is call methods with your choice of parameters and return types, and
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G E T T I N G S T A R T E D W I T H
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Notices This information was develo
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Trademarks IBM, the IBM logo, DB2,
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1 Chapter 1 - Introduction to pureQ
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Chapter 1 - Introduction to pureQue
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2 Chapter 2 - Installing pureQuery
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Chapter 2 - Installing pureQuery (O
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PART II - TOOLING
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PART III - SECURITY, PERFORMANCE, A
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6 Chapter 6 - The Client Optimizer:
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Chapter 6 - The Client Optimizer: p
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12 Chapter 12 - Stored Procedures T
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13 Chapter 13 - Handlers In this ch
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Chapter 13 - Handlers 263 Figure 13
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Chapter 13 - Handlers 265 SELECT *
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Chapter 13 - Handlers 267 construct
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13.4.1 Writing a ResultHandler impl
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Chapter 13 - Handlers 271 functiona
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Chapter 13 - Handlers 273 Listing 1
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Chapter 13 - Handlers 275 package h
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A. In a getData method in the com.i
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15 Chapter 15 - pureQuery and pureX
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Chapter 15 - pureQuery and pureXML
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A Appendix A - Solutions to the rev
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Appendix A - Solutions to the revie
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B Appendix B - Understanding the Sa
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B.1.3 The “Employee Information
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Appendix C - Up and Running with DB
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B.1.6 The “Company Employees” s
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C.4.1 IBM Optim Development Studio
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E Appendix E - Options Files This a
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Appendix E - Options files 357 comm
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Appendix E - Options files 359 In b
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