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added comments for set_file_association function

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git-svn-id: http://locode01.ad.dom/svn/WEBMIP/trunk@3257 248e525c-4dfb-0310-94bc-949c084e9493
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PriestJ
2008-01-16 11:48:00 +00:00
parent 13c9c0ca97
commit 94c33c6342
1 changed files with 120 additions and 108 deletions
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226
Modules/MIP_FILES.pck
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@@ -21,39 +21,51 @@ PROCEDURE export_table_to_csv(p_table IN VARCHAR2,
end MIP_FILES; end MIP_FILES;
/ /
create or replace package body MIP_FILES as create or replace package body MIP_FILES as
/*
FUNCTION set_file_association
- sets the association between a object within webmip to a file held in the
- APEX application files view.
%param p_uri - the uri of the file (the contents of the name column in APEX application files)
%param p_description - description of the file, will be set in documents and document_roles table
%param p_docu_type - INDO (held within webmip db), EXDO (held outside webmip), FIDO (on file system)
%param p_rt_code - type of role for docment eg 'ENQUIRY SUPPORTING DOC' see role types table
%param p_qute_id - the quote id if applicable otherwise supply null
%param p_enqu_id - the enquiry id if applicable otherwise supply null
%param p_drwg_code - the drawing code if applicable otherwise supply null
%param p_doro_type - DRRO (for a drawing), ENDO (for an enquiry), QUDO (for a quote)
*/
function set_file_association(p_uri in varchar2,
p_description in varchar2,
p_docu_type in varchar2,
p_rt_code in varchar2,
p_qute_id in number,
p_enqu_id in number,
p_drwg_code in varchar2,
p_doro_type in varchar2) return boolean is
l_doc_id number;
function set_file_association(p_uri in varchar2, begin
p_description in varchar2, --reference it in the documents table
p_docu_type in varchar2, insert into documents( uri, description, id, docu_type )
p_rt_code in varchar2, values (p_uri,
p_qute_id in number, p_description,
p_enqu_id in number, docu_seq.NEXTVAL,
p_drwg_code in varchar2, p_docu_type)
p_doro_type in varchar2) return boolean is returning id into l_doc_id;
l_doc_id number; --set up a role for the document
insert into document_roles(rt_code, start_date,description,qute_id,enqu_id,drwg_code,id,doro_type,docu_id)
begin values (p_rt_code,
--reference it in the documents table sysdate,
insert into documents( uri, description, id, docu_type ) p_description,
values (p_uri, p_qute_id,
p_description, p_enqu_id,
docu_seq.NEXTVAL, p_drwg_code,
p_docu_type) doro_seq.NEXTVAL,
returning id into l_doc_id; p_doro_type,
--set up a role for the document l_doc_id);
insert into document_roles(rt_code, start_date,description,qute_id,enqu_id,drwg_code,id,doro_type,docu_id) --if it works then return true
values (p_rt_code, return true;
sysdate, end set_file_association;
p_description,
p_qute_id,
p_enqu_id,
p_drwg_code,
doro_seq.NEXTVAL,
p_doro_type,
l_doc_id);
--if it works then return true
return true;
end set_file_association;
/* /*
PROCEDURE export_data_to_csv PROCEDURE export_data_to_csv
- allows an admin user to create a CSV export of a table in webMIP. - allows an admin user to create a CSV export of a table in webMIP.
@@ -63,87 +75,87 @@ end set_file_association;
%param p_column_headers - tables column names be exported as a header %param p_column_headers - tables column names be exported as a header
%param p_delimiter - what is the delimiter value is for each field (default ',') %param p_delimiter - what is the delimiter value is for each field (default ',')
*/ */
PROCEDURE export_table_to_csv(p_table IN VARCHAR2, PROCEDURE export_table_to_csv(p_table IN VARCHAR2,
p_column_headers IN VARCHAR2, p_column_headers IN VARCHAR2,
p_delimiter IN VARCHAR2 DEFAULT ',') is p_delimiter IN VARCHAR2 DEFAULT ',') is
l_select VARCHAR2(2000); --will hold our dynamically created sql query l_select VARCHAR2(2000); --will hold our dynamically created sql query
l_cursor INTEGER DEFAULT dbms_sql.open_cursor; --a handle for the recordset we can then loop through l_cursor INTEGER DEFAULT dbms_sql.open_cursor; --a handle for the recordset we can then loop through
l_status INTEGER; l_status INTEGER;
l_return VARCHAR2(4000); l_return VARCHAR2(4000);
l_found BOOLEAN := TRUE; l_found BOOLEAN := TRUE;
l_headers VARCHAR(2000); --used to collect the column headers l_headers VARCHAR(2000); --used to collect the column headers
BEGIN BEGIN
dbms_output.put_line('me is here'); dbms_output.put_line('me is here');
-- Build the dynamic SQL statement to get the tables column names -- Build the dynamic SQL statement to get the tables column names
FOR f IN (SELECT column_name FOR f IN (SELECT column_name
FROM user_tab_columns FROM user_tab_columns
WHERE table_name = upper(p_table) WHERE table_name = upper(p_table)
ORDER BY column_id) LOOP ORDER BY column_id) LOOP
--
-- AG's clever delimiting ensures that the rows from the table are output
-- in a nice CSV format
l_select := l_select ||'''"''||'|| f.column_name || '||''"'||p_delimiter||'''||';
--
-- Get the header row, slightly inefficient in that we may not need to
-- do it every time
l_headers := l_headers || f.column_name || p_delimiter;
--
END LOOP;
--
-- Trim the unnecessary additional delimiting chars on the headers and
-- add a carriage return
l_headers := RTRIM(l_headers,p_delimiter) || CHR(13);
--
-- build the dynamic SQL that will return all the table rows
l_select := 'SELECT ' || RTRIM(l_select,'||') || CHR(13)||CHR(10) ||' FROM ' || p_table;
--
-- Now we have the select, let's execute it
--
dbms_output.put_line(l_select);
dbms_sql.parse(l_cursor
,l_select
,dbms_sql.native);
--
dbms_sql.define_column(l_cursor
,1
,l_return
,4000);
--
l_status := dbms_sql.execute(l_cursor); --could be used for further manipulation
--
WHILE (dbms_sql.fetch_rows(l_cursor) > 0) LOOP
--
IF l_found THEN
-- --
-- Set the header MIME type -- AG's clever delimiting ensures that the rows from the table are output
owa_util.mime_header( 'application/octet', FALSE ); -- in a nice CSV format
-- Set the name of the file l_select := l_select ||'''"''||'|| f.column_name || '||''"'||p_delimiter||'''||';
htp.p('Content-Disposition: attachment; filename="'||lower(p_table)||'.csv"');
-- Close the HTTP Header
owa_util.http_header_close;
-- --
l_found := FALSE; -- Get the header row, slightly inefficient in that we may not need to
-- do it every time
l_headers := l_headers || f.column_name || p_delimiter;
-- --
-- If the user has requested that the tables column names be exported END LOOP;
-- then display them --
if upper(p_column_headers) = 'YES' then -- Trim the unnecessary additional delimiting chars on the headers and
--print column headers -- add a carriage return
htp.p(l_headers); l_headers := RTRIM(l_headers,p_delimiter) || CHR(13);
end if; --
-- build the dynamic SQL that will return all the table rows
l_select := 'SELECT ' || RTRIM(l_select,'||') || CHR(13)||CHR(10) ||' FROM ' || p_table;
--
-- Now we have the select, let's execute it
--
dbms_output.put_line(l_select);
dbms_sql.parse(l_cursor
,l_select
,dbms_sql.native);
--
dbms_sql.define_column(l_cursor
,1
,l_return
,4000);
--
l_status := dbms_sql.execute(l_cursor); --could be used for further manipulation
--
WHILE (dbms_sql.fetch_rows(l_cursor) > 0) LOOP
-- --
END IF; IF l_found THEN
--
-- Set the header MIME type
owa_util.mime_header( 'application/octet', FALSE );
-- Set the name of the file
htp.p('Content-Disposition: attachment; filename="'||lower(p_table)||'.csv"');
-- Close the HTTP Header
owa_util.http_header_close;
--
l_found := FALSE;
--
-- If the user has requested that the tables column names be exported
-- then display them
if upper(p_column_headers) = 'YES' then
--print column headers
htp.p(l_headers);
end if;
--
END IF;
--
-- Main CSV output
dbms_sql.column_value(l_cursor
,1
,l_return);
--
htp.p(l_return);
--
END LOOP;
-- --
-- Main CSV output END export_table_to_csv;
dbms_sql.column_value(l_cursor
,1
,l_return);
--
htp.p(l_return);
--
END LOOP;
--
END export_table_to_csv;
end MIP_FILES; end MIP_FILES;
/ /