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jx_io--0.1.0.sql
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jx_io--0.1.0.sql
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SET search_path = jx_io, pg_catalog;
CREATE FUNCTION export_json_query(filename text, query text) RETURNS boolean
LANGUAGE plpgsql
AS $$
declare
command text;
msg text;
msg_detail text;
msg_err text;
BEGIN
command := 'COPY ( SELECT row_to_json(q.*) FROM ('||query||') as q) TO '''|| filename||'''';
raise notice '%',command;
BEGIN
EXECUTE command;
EXCEPTION
WHEN OTHERS THEN
GET STACKED DIAGNOSTICS msg = message_text, msg_detail =pg_exception_detail, msg_err = returned_sqlstate;
RAISE EXCEPTION 'Error: %, %, %', msg, msg_detail,msg_err;
END;
RETURN true;
END;
$$;
CREATE FUNCTION export_json_table(filename text, tbl text) RETURNS boolean
LANGUAGE plpgsql
AS $$
declare
command text;
msg text;
msg_detail text;
msg_err text;
BEGIN
command := 'COPY ( SELECT row_to_json('||tbl||'.*) FROM '||tbl||') TO '''|| filename||'''';
raise notice '%',command;
BEGIN
EXECUTE command;
EXCEPTION
WHEN OTHERS THEN
GET STACKED DIAGNOSTICS msg = message_text, msg_detail =pg_exception_detail, msg_err = returned_sqlstate;
RAISE EXCEPTION 'Error: %, %, %', msg, msg_detail,msg_err;
END;
RETURN true;
END;
$$;
CREATE FUNCTION export_xml_query(filename text, query text) RETURNS boolean
LANGUAGE plpgsql
AS $$
declare
command text;
msg text;
msg_detail text;
msg_err text;
BEGIN
command := 'COPY ( SELECT replace(query_to_xml('''|| query ||''',true,false,'''')::text,E''\n'','''')) TO '''|| filename||'''';
raise notice '%',command;
BEGIN
EXECUTE command;
EXCEPTION
WHEN OTHERS THEN
GET STACKED DIAGNOSTICS msg = message_text, msg_detail =pg_exception_detail, msg_err = returned_sqlstate;
RAISE EXCEPTION 'Error: %, %, %', msg, msg_detail,msg_err;
END;
RETURN true;
END;
$$;
CREATE FUNCTION export_xml_table(filename text, tbl text) RETURNS boolean
LANGUAGE plpgsql
AS $$
declare
command text;
msg text;
msg_detail text;
msg_err text;
BEGIN
command := 'COPY ( SELECT replace(table_to_xml('''|| tbl ||'''::regclass,true,false,'''')::text,E''\n'','''')) TO '''|| filename||'''';
raise notice '%',command;
BEGIN
EXECUTE command;
EXCEPTION
WHEN OTHERS THEN
GET STACKED DIAGNOSTICS msg = message_text, msg_detail =pg_exception_detail, msg_err = returned_sqlstate;
RAISE EXCEPTION 'Error: %, %, %', msg, msg_detail,msg_err;
END;
RETURN true;
END;
$$;
CREATE FUNCTION import_json_doc(filename text) RETURNS json
LANGUAGE plpgsql
AS $$
declare
content bytea;
foid oid;
ffd integer;
fsize integer;
msg text;
msg_detail text;
msg_err text;
begin
foid := lo_import(filename);
ffd := lo_open(foid,262144);
fsize := lo_lseek(ffd,0,2);
perform lo_lseek(ffd,0,0);
content := loread(ffd,fsize);
perform lo_close(ffd);
perform lo_unlink(foid);
return json(convert_from(content,'UTF8'));
EXCEPTION
WHEN OTHERS THEN
GET STACKED DIAGNOSTICS msg = message_text, msg_detail =pg_exception_detail, msg_err = returned_sqlstate;
RAISE EXCEPTION 'Error: %, %, %', msg, msg_detail,msg_err;
end;
$$;
CREATE FUNCTION import_json_docs_into_table(filename text, tbl text, col text) RETURNS boolean
LANGUAGE plpgsql
AS $$
declare
command text;
msg text;
msg_detail text;
msg_err text;
begin
command := 'COPY '||tbl||'('||col||') FROM '''|| filename||'''';
begin
EXECUTE command;
EXCEPTION
WHEN OTHERS THEN
GET STACKED DIAGNOSTICS msg = message_text, msg_detail =pg_exception_detail, msg_err = returned_sqlstate;
RAISE EXCEPTION 'Error: %, %, %', msg, msg_detail,msg_err;
end;
RETURN true;
end;
$$;
CREATE FUNCTION import_xml(filename text) RETURNS xml
LANGUAGE plpgsql
AS $$
declare
content bytea;
foid oid;
ffd integer;
fsize integer;
msg text;
msg_detail text;
msg_err text;
begin
foid := lo_import(filename);
ffd := lo_open(foid,262144);
fsize := lo_lseek(ffd,0,2);
perform lo_lseek(ffd,0,0);
content := loread(ffd,fsize);
perform lo_close(ffd);
perform lo_unlink(foid);
return xmlparse(document convert_from(content,'UTF8'));
EXCEPTION
WHEN OTHERS THEN
GET STACKED DIAGNOSTICS msg = message_text, msg_detail =pg_exception_detail, msg_err = returned_sqlstate;
RAISE EXCEPTION 'Error: %, %, %', msg, msg_detail,msg_err;
end;
$$;