BTW the error is this
Invalid syntax for optimizer overrides. The syntax should be --
DERBY-PROPERTIES propertyName = value [, propertyName = value]*
Sincerely,
Frank Rivera
LogicBit Software - Research Triangle Park, North Carolina
On Apr 11, 2014, at 12:15 PM, Frank Rivera <[email protected]> wrote:
> We have a simple query using LIKE but is very slow. We need to tell the
> optimizer which index to use but the override DERBY-PROPERTIES statement
> returns an error. here is the SQL.
>
> SELECT
> esq.attachment.guid
> FROM
> esq.attachment
> --DERBY-PROPERTIES index = ATTACHMENT_LINKNAMES_INDEX
> where
> (
> esq.attachment.file_name LIKE ‘%drisco%'
> OR esq.attachment.file_index_name LIKE ‘%drisco%'
> )
> AND
> (
> esq.attachment.link_guid IS NOT NULL
> AND
> esq.attachment.link_table='mat'
> AND
> esq.attachment.link_guid IN (
> SELECT esq.matter.guid
> FROM esq.matter
> WHERE
> esq.matter.guid=esq.attachment.link_guid
> AND (
> ( esq.matter.grp_guid=0 OR esq.matter.grp_guid
> IS NULL ) OR ( esq.matter.grp_guid>0 AND esq.matter.grp_guid IN ( 2,1,6,4,3 )
> )
> )
>
> )
> ) ;
>
>
>
>
>
> Sincerely,
>
> Frank Rivera
> LogicBit Software - Research Triangle Park, North Carolina
>
>
>