My Oracle Support Banner

Oracle Text Fails To Index using CHINESE_VGRAM_LEXER (Doc ID 2559107.1)

Last updated on APRIL 17, 2023

Applies to:

Oracle Text - Version to [Release 11.2 to 12.2]
Information in this document applies to any platform.


On an Oracle Text failed to index / search html with special chinese symbol,

If the html contains a special symbol (e.g. the symbol for 'wong'), then the symbol is not searchable using the contains() operator as it was in Oracle 9i.

The Oracle Text index was created with the Chinese_vgram_lexer defined in the Index DDL.



To view full details, sign in with your My Oracle Support account.

Don't have a My Oracle Support account? Click to get started!

In this Document

My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.