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| − | Welcome to the Query Portal, which is one of the [[Main Page|main]] sections of this documentation. Here you can find more information on performing XPath and XQuery requests. Apart from standard features, BaseX offers numerous extensions, which are listed on this page.
| + | #REDIRECT [[Querying]] |
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| − | ==Overview==
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| − | * [[XQuery 3.0]]: supported features of the upcoming [http://www.w3.org/TR/xquery-30/ XQuery 3.0] and [http://www.w3.org/TR/xpath20/ XPath 2.0] Recommendations
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| − | * [[Packaging]]: Based on the [http://expath.org/modules/pkg/ EXPath Packaging System]
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| − | * [[Full-Text]]: full-text features of XQuery
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| − | * [[Update]]: update mechanism of XQuery
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| − | * [[Java Bindings]]: how to call Java code from XQuery
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| − | * [[XQuery Errors|Errors]]: errors raised by XQuery expressions
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| − | | |
| − | ==XQuery Functions==
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| − | <onlyinclude>
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| − | {| class="wikitable sortable"
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| − | |-
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| − | ! Module
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| − | ! Description
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| − | ! Prefix
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| − | ! Namespace URI
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| − | |-
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| − | | [[Database Functions|Database]]
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| − | | Accessing the database and indexes.
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| − | | <code>db</code>
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| − | | <code><nowiki>http://basex.org/db</nowiki></code>
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| − | | [[File Functions|File]]
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| − | | File handling, based on the upcoming new version of the [http://expath.org/spec/file EXPath File] module.
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| − | | <code>file</code>
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| − | | <code><nowiki>http://expath.org/ns/file</nowiki></code>
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| − | | [[Full-Text Functions|Full-Text]]
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| − | | Functions for performing full-text operations.
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| − | | <code>ft</code>
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| − | | <code><nowiki>http://basex.org/ft</nowiki></code>
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| − | | [[HTTP Functions|HTTP]]
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| − | | Sending HTTP requests, based on the [http://expath.org/spec/http-client EXPath HTTP] module.
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| − | | <code>http</code>
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| − | | <code><nowiki>http://expath.org/ns/http-client</nowiki></code>
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| − | | [[JSON Functions|JSON]]
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| − | | Parsing and serializing [http://www.json.org JSON documents]. <font color='orangered'>Version 6.8</font>
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| − | | <code>json</code>
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| − | | <code><nowiki>http://basex.org/json</nowiki></code>
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| − | |-
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| − | | [[Map Functions|Map]]
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| − | | Handling of map structures, based on a preliminary W3C Working Draft.
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| − | | <code>map</code>
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| − | | <code><nowiki>http://www.w3.org/2005/xpath-functions/map</nowiki></code>
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| − | | [[Math Functions|Math]]
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| − | | Mathematical operations, extending the [http://www.w3.org/TR/xpath-functions-30/ W3C Working Draft].
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| − | | <code>math</code>
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| − | | <code><nowiki>http://www.w3.org/2005/xpath-functions/math</nowiki></code>
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| − | | [[SQL Functions|SQL]]
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| − | | JDBC bridge to access relational databases. <font color='orangered'>Version 6.8</font>
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| − | | <code>sql</code>
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| − | | <code><nowiki>http://basex.org/sql</nowiki></code>
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| − | | [[Utility Functions|Utility]]
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| − | | Utility functions, used for data conversions, profiling and dynamic evaluation.
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| − | | <code>eval</code>
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| − | | <code><nowiki>http://basex.org/util</nowiki></code>
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| − | | [[XSLT Functions|XSLT]]
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| − | | Stylesheet transformations, based on Java’s and Saxon’s XSLT processor.
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| − | | <code>xslt</code>
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| − | | <code><nowiki>http://basex.org/xslt</nowiki></code>
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| − | | [[ZIP Functions|ZIP]]
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| − | | ZIP functionality, based on the [http://expath.org/spec/zip EXPath ZIP] module.
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| − | | <code>zip</code>
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| − | | <code><nowiki>http://expath.org/ns/zip</nowiki></code>
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| − | |}
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| − | Note that all namespace URIs are statically bound in BaseX, i.e., they need not be declared in the query prolog.
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| − | All XQuery 3.0 functions are listed in the [http://www.w3.org/TR/xpath-functions-30/ XQuery 3.0 Functions and Operators] draft; they are [[XQuery_3.0#Functions|all supported by BaseX]].
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| − | ==Indexes==
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| − | Queries will be analyzed and optimized for index access on the fly.
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| − | *[[Indexes|Overview]]: All indexes and their functionality
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| − | *[[Execution Plan]]: Execution plans of the queries
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| − | [[Category:XQuery]] | |
