INDEX_PROCEDURE

This callback stored procedure is called by Oracle Text as needed to tokenize a document or a stop word found in the stoplist object.

Requirements

This procedure can be a PL/SQL stored procedure.

The index owner must have EXECUTE privilege on this stored procedure.

This stored procedure must not be replaced or dropped after the index is created. You can replace or drop this stored procedure after the index is dropped.

Parameters

Two different interfaces are supported for the user-defined lexer indexing procedure:

• VARCHAR2 Interface

• CLOB Interface

Restrictions

This procedure must not perform any of the following operations:

• Rollback

• Explicitly or implicitly commit the current transaction

• Enter any other transaction control statement

• Alter the session language or territory

The child elements of the root element tokens of the XML document returned must be in the same order as the tokens occur in the document or stop word being tokenized.

The behavior of this stored procedure must be deterministic with respect to all parameters.