Subject: Re: Paging using XSLT From: "Steve Muench" <Steve.Muench@xxxxxxxxxx> Date: Wed, 1 Nov 2000 09:54:04 -0400 (EST) |
| Wouldn't it be easier to simply paginate the | XML before it gets to the translator? ie. | throw windows of XML data at the translator | and translate for each page? Indeed. I've been out to several customers who've tried to do this "paging" in one way or another with XSLT. The least efficient way I've observed is a customer who was querying 25,000 rows of database data into XML (using the Oracle XML SQL Utility) and then using top-level stylesheet parameters and <xsl:if> elements in their stylesheet to "filter" the data to emit only rows N through M of those 25000 onto the browser. (Where M-N is usually in the 10-15 range). Yikes. Much more efficient is to, as you suggest, query-up/pass-in only the 15 rows in the current "window" you want to format and not to use the in-memory filtering capability of XSLT as a replacement for the fast indexes that a database might be able to use to quickly return just the rows you want to "see" on the current page. ______________________________________________________________ Steve Muench, Lead XML Evangelist & Consulting Product Manager BC4J & XSQL Servlet Development Teams, Oracle Rep to XSL WG Author "Building Oracle XML Applications", O'Reilly http://www.oreilly.com/catalog/orxmlapp/ XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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