Default Policy Parameters

Policies in Oracle Text enable you to use document services without creating an index. For example, the document services might be filtering to generate a plain text or HTML version of a document, generating theme summaries or lists of themes, and highlighting. Table 2-49 lists the default parameters when you create a policy and do not specify preferences when using CTX_DDL.CREATE_POLICY. Each default parameter names a system-defined preference to use for filtering, lexing, and so on.

Table 49 Default Policy Parameters for CTX_DDL.CREATE_POLICY

Parameter Used When Default Value
DEFAULT_FILTER_BINARY No filter preference specified for CREATE_POLICY, and the document parameter of the document service is VARCHAR2 or CLOB datatype; BLOB or BFILE datatype. CTXSYS.AUTO_FILTER
DEFAULT_FILTER_TEXT No filter preference specified for CREATE_POLICY, and the document parameter of the document service is VARCHAR2 or CLOB datatype; BLOB or BFILE datatype. CTXSYS.NULL_FILTER
DEFAULT_SECTION_HTML No section group specified for CREATE_POLICY, and when your filter preference uses AUTO_FILTER. CTXSYS.HTML_SECTION_GROUP
DEFAULT_SECTION_TEXT No section_group specified for CREATE_POLICY, and when you do not use AUTO_FILTER. CTXSYS.NULL_SECTION_GROUP
DEFAULT_LEXER No lexer preference specified for CREATE_POLICY. CTXSYS.DERAULT_LEXER
DEFAULT_STOPLIST No stoplist specified for CREATE_POLICY. CTXSYS.DEFAULT_STOPLIST
DEFAULT_WORDLIST No wordlist preference specified for CREATE_POLICY. CTXSYS.DEFAULT_WORDLIST

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