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Created by voodoo on November 25, 2010 00:15:37 Last update: November 25, 2010 00:15:37
PostgreSQL JDBC doc says: Specifically deleting a row that contains a Large Object reference does not delete the Large Object. Deleting the Large Object is a separate operation that needs to be performed. . In JDBC this can be done in two steps: Delete the large object (call PostgreSQL function lo_unlink )
long oid = jdbcTemplate.queryForObject("select...Delete the row in the referring table:
jdbcTemplate.update("delete from InventoryItem whe...
Created by Fang on August 24, 2010 18:44:24 Last update: August 24, 2010 18:44:24
The tags XML transform tags apply XSLT to XML documents. The XML document may be specified as the doc attribute or enclosed as the body of the <x:transform> tag. Optional <x:param> tags may be used to specify parameters for the XSLT. <x:transform> Syntax:
<x:transform doc="XMLDocument" xslt="XSLTStyle...or, include the XML document in the body:
<x:transform xslt="XSLTStylesheet" [docSystem...Attributes: Name Dynamic? Type Description doc true String , Reader , javax.xml.transform.Source , org.w3c.dom.Document , or object exported by <x:parse> , <x:set> . Source XML document to be transformed. (If exported by <x:set> , it must correspond to a well-formed XML document, not a partial document.) xslt true String , Reader or javax.xml.transform.Source Transformation stylesheet as a String , Reader , or Source object. docSystemId true...
Created by Fang on July 26, 2010 19:18:28 Last update: August 18, 2010 19:13:02
The tags <c:import> The <c:import> tag imports the contents of a URL and expose that in one of three ways: Import contents from a URL and write it out to the page (url may be relative or absolute):
<c:import url="theUrl" />Import contents from a URL and save it to a scoped variable string named by the var attribute. Use the scope attribute to define the scope of the exported variable.
<c:import url="theUrl" var="importTest" scope="ses...Import a URL and expose to a Reader object named by the varReader attribute. The scope attribute does not apply. The varReader scoped variable can only be accessed within the body of <c:import> .
<c:import url="theUrl" varReader="theReader"/><c:url> The <c:url> tag constructs a URL and writes it out to the...
Created by Dr. Xi on December 04, 2007 23:36:32 Last update: December 04, 2007 23:36:32
From MySQL doc: The SELECT ... INTO OUTFILE ' file_name ' form of SELECT writes the selected rows to a file. The file is created on the server host, so you must have the FILE privilege to use this syntax. file_name cannot be an existing file. The SELECT ... INTO OUTFILE statement is intended primarily to let you very quickly dump a table to a text file on the server machine . To generate the file on the client, you should instead use a command such as mysql -e "SELECT ..." > file_name .