create another mapping approach to better handle option g on regexp_ functions.
This commit is contained in:
Paul Trowbridge
parent
1af3f05a1e
commit
fb93f73b6c
186
do_map_g_option.pgsql
Normal file
186
do_map_g_option.pgsql
Normal file
@ -0,0 +1,186 @@
|
||||
|
||||
WITH
|
||||
|
||||
--------------------apply regex operations to transactions-----------------------------------------------------------------------------------
|
||||
|
||||
rx AS (
|
||||
SELECT
|
||||
t.srce,
|
||||
t.id,
|
||||
t.rec,
|
||||
m.target,
|
||||
regex->>'map' map_intention,
|
||||
regex->>'function' regex_function,
|
||||
e.v ->> 'field' result_key_name,
|
||||
e.v ->> 'key' target_json_path,
|
||||
e.v ->> 'flag' regex_options_flag,
|
||||
e.v->>'retain' retain_result,
|
||||
e.v->>'regex' regex_expression,
|
||||
e.rn target_item_number,
|
||||
COALESCE(mt.rn,rp.rn,1) result_number,
|
||||
mt.mt rx_match,
|
||||
rp.rp rx_replace,
|
||||
CASE regex->>'map'
|
||||
WHEN 'yes' THEN
|
||||
e.v->>'field'
|
||||
ELSE
|
||||
null
|
||||
END map_key,
|
||||
CASE regex->>'map'
|
||||
WHEN 'yes' THEN
|
||||
CASE regex->>'function'
|
||||
WHEN 'extract' THEN
|
||||
CASE WHEN array_upper(mt.mt,1)=1
|
||||
THEN to_json(mt.mt[1])
|
||||
ELSE array_to_json(mt.mt)
|
||||
END::jsonb
|
||||
WHEN 'replace' THEN
|
||||
to_jsonb(rp.rp)
|
||||
ELSE
|
||||
'{}'::jsonb
|
||||
END
|
||||
ELSE
|
||||
NULL
|
||||
END map_val,
|
||||
CASE e.v->>'retain'
|
||||
WHEN 'y' THEN
|
||||
e.v->>'field'
|
||||
ELSE
|
||||
NULL
|
||||
END retain_key,
|
||||
CASE e.v->>'retain'
|
||||
WHEN 'y' THEN
|
||||
CASE regex->>'function'
|
||||
WHEN 'extract' THEN
|
||||
CASE WHEN array_upper(mt.mt,1)=1
|
||||
THEN to_json(mt.mt[1])
|
||||
ELSE array_to_json(mt.mt)
|
||||
END::jsonb
|
||||
WHEN 'replace' THEN
|
||||
to_jsonb(rp.rp)
|
||||
ELSE
|
||||
'{}'::jsonb
|
||||
END
|
||||
ELSE
|
||||
NULL
|
||||
END retain_val
|
||||
FROM
|
||||
tps.map_rm m
|
||||
LEFT JOIN LATERAL jsonb_array_elements(m.regex->'where') w(v) ON TRUE
|
||||
INNER JOIN tps.trans t ON
|
||||
t.srce = m.srce AND
|
||||
t.rec @> w.v
|
||||
LEFT JOIN LATERAL jsonb_array_elements(m.regex->'defn') WITH ORDINALITY e(v, rn) ON true
|
||||
LEFT JOIN LATERAL regexp_matches(t.rec #>> ((e.v ->> 'key')::text[]), e.v ->> 'regex'::text,COALESCE(e.v ->> 'flag','')) WITH ORDINALITY mt(mt, rn) ON
|
||||
m.regex->>'function' = 'extract'
|
||||
LEFT JOIN LATERAL regexp_replace(t.rec #>> ((e.v ->> 'key')::text[]), e.v ->> 'regex'::text, e.v ->> 'replace'::text,e.v ->> 'flag') WITH ORDINALITY rp(rp, rn) ON
|
||||
m.regex->>'function' = 'replace'
|
||||
WHERE
|
||||
t.srce = 'PNCC'
|
||||
ORDER BY
|
||||
t.id DESC,
|
||||
m.target,
|
||||
e.rn,
|
||||
COALESCE(mt.rn,rp.rn,1)
|
||||
)
|
||||
|
||||
, agg_to_target_items AS (
|
||||
SELECT
|
||||
srce
|
||||
,id
|
||||
,target
|
||||
,map_intention
|
||||
,regex_function
|
||||
,target_item_number
|
||||
,result_key_name
|
||||
,target_json_path
|
||||
,CASE WHEN map_key IS NULL
|
||||
THEN
|
||||
NULL
|
||||
ELSE
|
||||
jsonb_build_object(
|
||||
map_key,
|
||||
CASE WHEN max(result_number) = 1
|
||||
THEN
|
||||
jsonb_agg(map_val ORDER BY result_number) -> 0
|
||||
ELSE
|
||||
jsonb_agg(map_val ORDER BY result_number)
|
||||
END
|
||||
)
|
||||
END map_val
|
||||
,CASE WHEN retain_key IS NULL
|
||||
THEN
|
||||
NULL
|
||||
ELSE
|
||||
jsonb_build_object(
|
||||
retain_key,
|
||||
CASE WHEN max(result_number) = 1
|
||||
THEN
|
||||
jsonb_agg(retain_val ORDER BY result_number) -> 0
|
||||
ELSE
|
||||
jsonb_agg(retain_val ORDER BY result_number)
|
||||
END
|
||||
)
|
||||
END retain_val
|
||||
FROM
|
||||
rx
|
||||
GROUP BY
|
||||
srce
|
||||
,id
|
||||
,target
|
||||
,map_intention
|
||||
,regex_function
|
||||
,target_item_number
|
||||
,result_key_name
|
||||
,target_json_path
|
||||
,map_key
|
||||
,retain_key
|
||||
)
|
||||
|
||||
, agg_to_target AS (
|
||||
SELECT
|
||||
srce
|
||||
,id
|
||||
,target
|
||||
,map_intention
|
||||
,tps.jsonb_concat_obj(map_val) map_val
|
||||
,tps.jsonb_concat_obj(retain_val) retain_val
|
||||
FROM
|
||||
agg_to_target_items
|
||||
GROUP BY
|
||||
srce
|
||||
,id
|
||||
,target
|
||||
,map_intention
|
||||
ORDER BY
|
||||
id
|
||||
)
|
||||
|
||||
, link_map AS (
|
||||
SELECT
|
||||
a.srce
|
||||
,a.id
|
||||
,a.target
|
||||
,a.map_intention
|
||||
,a.map_val
|
||||
,jsonb_strip_nulls(a.retain_val) retain_value
|
||||
,v.map
|
||||
FROM
|
||||
agg_to_target a
|
||||
LEFT OUTER JOIN tps.map_rv v ON
|
||||
v.srce = a.srce AND
|
||||
v.target = a.target AND
|
||||
v.retval = a.map_val
|
||||
)
|
||||
|
||||
SELECT
|
||||
srce
|
||||
,id
|
||||
,tps.jsonb_concat_obj(COALESCE(retain_value,'{}'::jsonb)) retain_val
|
||||
,tps.jsonb_concat_obj(COALESCE(map,'{}'::jsonb)) map
|
||||
FROM
|
||||
link_map
|
||||
GROUP BY
|
||||
srce
|
||||
,id
|
||||
|
||||
@ -1,3 +1,4 @@
|
||||
/*
|
||||
DELETE FROM tps.map_rm where target = 'Strip Amount Commas';
|
||||
INSERT INTO
|
||||
tps.map_rm
|
||||
@ -28,4 +29,35 @@ FROM
|
||||
}
|
||||
$j$::jsonb
|
||||
, 1)
|
||||
) x;
|
||||
*/
|
||||
DELETE FROM tps.map_rm where target = 'Parse Descr';
|
||||
INSERT INTO
|
||||
tps.map_rm
|
||||
SELECT *
|
||||
FROM
|
||||
(VALUES
|
||||
('PNCC', 'Parse Descr',
|
||||
$j$
|
||||
{
|
||||
"name":"Parse Descr",
|
||||
"description":"parse the description based on at least three capital letters followed by a comma until another set of at lesat 3 capital letters and a comma is encountered",
|
||||
"defn": [
|
||||
{
|
||||
"key": "{Description}",
|
||||
"field": "dparse",
|
||||
"regex": "([A-Z]{3,}?:)(.*)(?=[A-Z]{3,}?:|$)",
|
||||
"flag":"g",
|
||||
"retain":"y"
|
||||
}
|
||||
],
|
||||
"function":"extract",
|
||||
"map":"no",
|
||||
"where": [
|
||||
{
|
||||
}
|
||||
]
|
||||
}
|
||||
$j$::jsonb
|
||||
, 2)
|
||||
) x;
|
||||
Loading…
Reference in New Issue
Block a user