7
CTX_DOC Package

This chapter describes the CTX_DOC PL/SQL package for requesting document services.

Note:: You can use this package only when your index type is CONTEXT. This package does not support the CTXCAT index type.

The CTX_DOC package includes the following procedures and functions:

Name	Description
FILTER	Generates a plain text or HTML version of a document
GIST	Generates a Gist or theme summaries for a document
HIGHLIGHT	Generates plain text or HTML highlighting offset information for a document
IFILTER	Generates a plain text version of binary data. Can be called from a USER_DATASTORE procedure.
MARKUP	Generates a plain text or HTML version of a document with query terms highlighted
PKENCODE	Encodes a composite textkey string (value) for use in other CTX_DOC procedures
SET_KEY_TYPE	Sets CTX_DOC procedures to accept rowid or primary key document identifiers.
THEMES	Generates a list of themes for a document
TOKENS	Generates all index tokens for a document.