How do you define a default value for APEX_ITEM. SELECT_LIST_FROM_QUERY?

Hi all
I have the report based on a query

SELECT distinct apex_item.hidden (1, seq_id), c003 c004, c006, APEX_ITEM c005. SELECT_LIST_FROM_QUERY (6, c020, 'select DISTRIBUTION_NAME, DISTRIBUTION_NAME from the DISTRIBUTIONS',' style = "" ',' YES, ' default here? "," ", null, 'label'") 'BONOU,"NVL (c017, 'SPLIT'), 'Split', SEQ_ID
OF APEX_collections
WHERE collection_name = "ARGYLL_INVOICES."
order of seq_id


I would like to enter a default value in the APEX_ITEM. SELECT_LIST_FROM_QUERY. I can't make it work.

Anyone know what I am doing wrong, or suggest an easier way?
Thank you

Just as a note, but you want to ensure your APEX_ITEM call is closed. The code snippet you posted isn't complete.

 APEX_ITEM.SELECT_LIST_FROM_QUERY(6,c020, 'select DISTRIBUTION_NAME, DISTRIBUTION_NAME from DISTRIBUTIONS','style="", SEQ_ID   <-- No closing )

In literature - http://www.utoug.org/i/doc/api099.htm - (even if it is not necessarily the easiest to read), he gives this explanation of the syntax:

APEX_ITEM. () SELECT_LIST_FROM_QUERY
p_idx in NUMBERS
p_value IN VARCHAR2 default,
p_query IN VARCHAR2,
p_attributes IN VARCHAR2 default,
p_show_null IN VARCHAR2 default,
p_null_value IN VARCHAR2 default,
p_null_text IN VARCHAR2 default,
p_item_id IN VARCHAR2 default,
p_item_label IN VARCHAR2 default,
p_show_extra IN VARCHAR2 DEFAULT)
RETURN VARCHAR2;

What you want to watch is p_value to set an initial value. It must come from your data, but you might want to consider doing a NVL or DECODE to replace your default.

In this case, it would change your query to be:

SELECT distinct apex_item.hidden(1, seq_id), c003,c004,c005, c006,
      APEX_ITEM.SELECT_LIST_FROM_QUERY(6,c020, 'select DISTRIBUTION_NAME, DISTRIBUTION_NAME from DISTRIBUTIONS','style=""),
      SEQ_ID
  FROM APEX_collections
 WHERE collection_name = 'ARGYLL_INVOICES'
order by seq_id 

If the value is always NULL, you can use the p_show_null, p_null_value and p_null_text to highlight 'by default'

SELECT distinct apex_item.hidden(1, seq_id), c003,c004,c005, c006,
      APEX_ITEM.SELECT_LIST_FROM_QUERY(6,NVL(c020,0), 'select DISTRIBUTION_NAME, DISTRIBUTION_NAME from DISTRIBUTIONS','style="",YES, 100, 'Default'),
      SEQ_ID
  FROM APEX_collections
 WHERE collection_name = 'ARGYLL_INVOICES'
order by seq_id 

Tags: Database

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