| Trying to create Index with Multi column Datastore parameter gives error [message #314024] |
Tue, 15 April 2008 10:10  |
Shahriar
Messages: 3
Registered: April 2008
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Junior Member |
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I have successfully created Multi Column Datastore (MCDS) and Section Groups (SG) and was also able to add field section to the section group. I also set the COLUMNS attribute value for the data store.
But when I try to create the Index for the MCDS, it seems to give me an error.
The code for creating the MCDS & SG and setting their respective attributes/values is as follows:
CTX_DDL.CREATE_PREFERENCE ('my_table_mcds', 'MULTI_COLUMN_DATASTORE');
CTX_DDL.SET_ATTRIBUTE ('my_table_mcds', 'COLUMNS', 'varchar2_col_Name, varchar2_col_Name2');
CTX_DDL.CREATE_SECTION_GROUP ('my_table_sg', 'BASIC_SECTION_GROUP');
CTX_DDL.ADD_FIELD_SECTION ('my_table_sg', 'varchar2_col_Name', 'varchar2_col_Name', TRUE);
CTX_DDL.ADD_FIELD_SECTION ('my_table_sg', 'varchar2_col_Name2', 'varchar2_col_Name2', TRUE);
Here's how I try to create the index
CREATE INDEX my_index ON my_table (varchar2_col_Name) INDEXTYPE IS CTXSYS.CONTEXT PARAMETERS ('DATASTORE mytable_mcds SECTION GROUP mytable_sg');
I get the following error:
ORA-29855: error occurred in the execution of ODCIINDEXCREATE routine
ORA-20000: Oracle Text error:
DRG-10707: a value is required for attribute COLUMNS of preference bcItemRevisions_mcds1
ORA-06512: at "CTXSYS.DRUE", line 160
ORA-06512: at "CTXSYS.TEXTINDEXMETHODS", line 364
Could anybody please provide some suggestion as to what I might be doing wrong?
P.S. I tried with the following code and it worked for section group ONLY:
CREATE INDEX my_index ON my_table (varchar2_col_Name) INDEXTYPE IS CTXSYS.CONTEXT PARAMETERS ('SECTION GROUP mytable_sg');
Seems there is something wrong with my DATASTORE parameter although I checked to see that it's created before executing this piece of code.
Thanks,
Shahriar Hyder
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