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Oracle® Database Rules Manager and Expression Filter Developer's Guide
11g Release 1 (11.1)

B31088-01
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18 Management Procedures Using the DBMS_EXPFIL Package

The Expression Filter DBMS_EXPFIL package contains all the procedures used to manage attribute sets, expression sets, expression indexes, optimizer statistics, and privileges. Table 18-1 describes the procedures in the DBMS_EXPFIL package. These procedures are further described in this chapter.

None of the values and names passed to the procedures defined in the DBMS_EXPFIL package are case sensitive, unless otherwise mentioned. To preserve the case, use double quotation marks around the values.

Tip:

See the "DBMS_EXPIL" chapter in Oracle Database PL/SQL Packages and Types Reference for all reference information concerning Expression Filter package procedures.

Table 18-1 DBMS_EXPFIL Procedures

Procedure Description

ADD_ELEMENTARY_ATTRIBUTE Procedure

Adds the specified attribute to the attribute set

ADD_FUNCTIONS Procedure

Adds a function, type, or package to the approved list of functions with an attribute set

ASSIGN_ATTRIBUTE_SET Procedure

Assigns an attribute set to a column storing expressions

BUILD_EXCEPTIONS_TABLE Procedure

Creates an exception table to hold references to invalid expressions

CLEAR_EXPRSET_STATS Procedure

Clears the predicate statistics for an expression set

COPY_ATTRIBUTE_SET Procedure

Makes a copy of the attribute set

CREATE_ATTRIBUTE_SET Procedure

Creates an attribute set

DEFAULT_INDEX_PARAMETERS Procedure

Assigns default index parameters to an attribute set

DEFAULT_XPINDEX_PARAMETERS Procedure

Assigns default XPath index parameters to an attribute set

DEFRAG_INDEX Procedure

Rebuilds the bitmap indexes online to reduce fragmentation

DROP_ATTRIBUTE_SET Procedure

Drops an unused attribute set

GET_EXPRSET_STATS Procedure

Collects predicate statistics for an expression set

GRANT_PRIVILEGES Procedure

Grants an expression DML privilege to a user

INDEX_PARAMETERS Procedure

Assigns index parameters to an expression set

MODIFY_OPERATOR_LIST

Modifies the list of common operators associated with a certain attribute in the attribute set

REVOKE_PRIVILEGE Procedure

Revokes an expression DML privilege from a user

SYNC_TEXT_INDEXES

Synchronizes the indexes defined to process the predicates involving the CONTAINS operator in stored expressions

UNASSIGN_ATTRIBUTE_SET Procedure

Breaks the association between a column storing expressions and the attribute set

VALIDATE_EXPRESSIONS Procedure

Validates expression metadata and the expressions stored in a column

XPINDEX_PARAMETERS Procedure

Assigns XPath index parameters to an expression set