Tamino XQuery User Guide - Software AG Documentation

More documents

Recommendations

Info

Query Examples Query for $a in input()/bib/book where tf:containsText ($a/title, "UNIX") return $a Result This query returns all book elements that contain the word "UNIX" regardless of the case: Advanced Programming in the Unix environment Stevens W. Addison-Wesley 65.95 Explanation All book elements are checked whether they contain the word "UNIX" in their title element independent from case. Those that contain this word will be returned as result. As the function tf:containsText() is from a different namespace than the standard namespace, you need to declare this namespace first. In this namespace you will find all functions that are specific to Tamino. See tf:containsText in the language reference for details. The section Unicode and Text Retrieval contains more information about the fundamentals of word-wise search in Tamino. Updating Documents You can perform update operations on documents to insert, replace, rename or delete nodes or node sequences (node-level update). It is easy to identify any update operation, since the keyword update always appears at the start of the expression right after the prolog. Note: Any update operation requires that you have permission to perform this operation. In short, Tamino checks to see if the resulting document is such that you may write it back into the database. 16 XQuery User Guide
Query Examples Deleting Nodes The first simple query deletes all books from the current bib collection that have been edited by Darcy Gerbarg: Query update delete input()/bib/book[editor/last="Gerbarg"] Result As the result is a modification of the current collection, you receive a confirmation that the operation has been performed successfully: Explanation From the document returned by Tamino you can see the original query expression in the marked CDATA section, and the xq:result element that provides information about where the update operation took place: The first document instance (ino:id="1") of the document type bib (ino:doctype="bib") in the collection XMP (ino:collection="XMP"). You can use queries like count(input()/bib/book) to check the number of books before and after the delete operation. See UpdateExpr and DeleteClause in the language reference for details. XQuery User Guide 17
Page 1 and 2: Tamino XQuery User Guide Version 9.
Page 3 and 4: Table of Contents Preface .........
Page 5: Preface This document describes how
Page 9 and 10: 1 Sample bib This doctype describes
Page 11 and 12: 2 Sample reviews This doctype descr
Page 13 and 14: 3 Query Examples ■ Using Construc
Page 15 and 16: Query Examples This section contain
Page 17 and 18: Query Examples Explanation Again, a
Page 19 and 20: Query Examples Explanation Building
Page 21: Query Examples Explanation A join i
Page 25: Query Examples Explanation For the
Page 29 and 30: 4 The Nuts and Bolts of XQuery ■
Page 31 and 32: The Nuts and Bolts of XQuery (1, 2,
Page 33 and 34: The Nuts and Bolts of XQuery Path E
Page 35 and 36: The Nuts and Bolts of XQuery NodeTe
Page 37: The Nuts and Bolts of XQuery Since
Page 40 and 41: FLWOR Expressions Currently, there
Page 42 and 43: FLWOR Expressions The order by and
Page 44 and 45: Performing Update Operations In Tam
Page 46 and 47: Performing Update Operations Renami
Page 48 and 49: Performing Update Operations Schema
Page 50 and 51: Performing Update Operations Note:
Page 52 and 53: Performing Update Operations update
Page 55 and 56: 7 Calling XQuery through a Web Serv
Page 57 and 58: Calling XQuery through a Web Servic
Page 67 and 68: 8 CRUD Usage of a Tamino Doctype as
Page 69 and 70: CRUD Usage of a Tamino Doctype as a
Page 71 and 72: CRUD Usage of a Tamino Doctype as a
Page 73 and 74:
CRUD Usage of a Tamino Doctype as a
Page 75 and 76:
Page 77 and 78:
Page 79:
Page 82 and 83:
Advanced Usage This chapter covers
Page 84 and 85:
Advanced Usage declare function loc
Page 86 and 87:
Advanced Usage declare namespace in
Page 88 and 89:
Advanced Usage Defining a Custom Ou
Page 91 and 92:
10 Text Retrieval ■ Simple Text S
Page 93 and 94:
Text Retrieval for $a in input()/pa
Page 95 and 96:
Text Retrieval for $a in input()/re
Page 97 and 98:
Text Retrieval Data on the Web 34.
Page 99 and 100:
Text Retrieval In Tamino, you can u
Page 101 and 102:
Text Retrieval ■ Location The att
Page 103 and 104:
Text Retrieval perp whelp carnivore
Page 105 and 106:
Text Retrieval In the context of pa
Page 107 and 108:
Text Retrieval 1. Contents Translat
Page 109 and 110:
Text Retrieval path separator is no
Page 111 and 112:
III Related Information 105
Page 113 and 114:
11 Related Information ■ Internal
Page 115 and 116:
Related Information ■ XQuery 1.0
Page 117 and 118:
Index A atomization, 30 C character
show all

Tamino XQuery User Guide - Software AG Documentation

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

Delete template?

Save as template?