initial trigger work
This commit is contained in:
Paul Trowbridge
parent
de2aac8d23
commit
cc244ee9f7
229
triggers/trans_insert.sql
Normal file
229
triggers/trans_insert.sql
Normal file
@ -0,0 +1,229 @@
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CREATE OR REPLACE FUNCTION tps.trans_insert_map() RETURNS TRIGGER AS $f$
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BEGIN
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IF (TG_OP = 'INSERT') THEN
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WITH
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--------------------apply regex operations to transactions-----------------------------------------------------------------------------------
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rx AS (
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SELECT
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t.srce,
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t.id,
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t.rec,
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m.target,
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m.seq,
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regex->>'function' regex_function,
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e.v ->> 'field' result_key_name,
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e.v ->> 'key' target_json_path,
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e.v ->> 'flag' regex_options_flag,
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e.v->>'map' map_intention,
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e.v->>'retain' retain_result,
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e.v->>'regex' regex_expression,
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e.rn target_item_number,
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COALESCE(mt.rn,rp.rn,1) result_number,
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mt.mt rx_match,
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rp.rp rx_replace,
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CASE e.v->>'map'
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WHEN 'y' THEN
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e.v->>'field'
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ELSE
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null
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END map_key,
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CASE e.v->>'map'
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WHEN 'y' THEN
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CASE regex->>'function'
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WHEN 'extract' THEN
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CASE WHEN array_upper(mt.mt,1)=1
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THEN to_json(mt.mt[1])
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ELSE array_to_json(mt.mt)
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END::jsonb
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WHEN 'replace' THEN
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to_jsonb(rp.rp)
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ELSE
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'{}'::jsonb
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END
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ELSE
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NULL
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END map_val,
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CASE e.v->>'retain'
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WHEN 'y' THEN
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e.v->>'field'
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ELSE
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NULL
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END retain_key,
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CASE e.v->>'retain'
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WHEN 'y' THEN
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CASE regex->>'function'
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WHEN 'extract' THEN
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CASE WHEN array_upper(mt.mt,1)=1
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THEN to_json(trim(mt.mt[1]))
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ELSE array_to_json(mt.mt)
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END::jsonb
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WHEN 'replace' THEN
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to_jsonb(rtrim(rp.rp))
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ELSE
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'{}'::jsonb
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END
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ELSE
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NULL
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END retain_val
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FROM
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tps.map_rm m
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LEFT JOIN LATERAL jsonb_array_elements(m.regex->'where') w(v) ON TRUE
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INNER JOIN new_table t ON
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t.srce = m.srce AND
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t.rec @> w.v
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LEFT JOIN LATERAL jsonb_array_elements(m.regex->'defn') WITH ORDINALITY e(v, rn) ON true
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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
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m.regex->>'function' = 'extract'
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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
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m.regex->>'function' = 'replace'
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ORDER BY
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t.id DESC,
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m.target,
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e.rn,
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COALESCE(mt.rn,rp.rn,1)
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)
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--SELECT count(*) FROM rx LIMIT 100
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, agg_to_target_items AS (
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SELECT
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srce
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,id
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,target
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,seq
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,map_intention
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,regex_function
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,target_item_number
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,result_key_name
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,target_json_path
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,CASE WHEN map_key IS NULL
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THEN
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NULL
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ELSE
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jsonb_build_object(
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map_key,
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CASE WHEN max(result_number) = 1
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THEN
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jsonb_agg(map_val ORDER BY result_number) -> 0
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ELSE
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jsonb_agg(map_val ORDER BY result_number)
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END
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)
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END map_val
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,CASE WHEN retain_key IS NULL
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THEN
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NULL
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ELSE
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jsonb_build_object(
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retain_key,
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CASE WHEN max(result_number) = 1
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THEN
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jsonb_agg(retain_val ORDER BY result_number) -> 0
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ELSE
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jsonb_agg(retain_val ORDER BY result_number)
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END
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)
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END retain_val
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FROM
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rx
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GROUP BY
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srce
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,id
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,target
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,seq
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,map_intention
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,regex_function
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,target_item_number
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,result_key_name
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,target_json_path
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,map_key
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,retain_key
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)
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--SELECT * FROM agg_to_target_items LIMIT 100
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, agg_to_target AS (
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SELECT
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srce
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,id
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,target
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,seq
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,map_intention
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,tps.jsonb_concat_obj(COALESCE(map_val,'{}'::JSONB)) map_val
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,jsonb_strip_nulls(tps.jsonb_concat_obj(COALESCE(retain_val,'{}'::JSONB))) retain_val
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FROM
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agg_to_target_items
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GROUP BY
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srce
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,id
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,target
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,seq
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,map_intention
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ORDER BY
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id
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)
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--SELECT * FROM agg_to_target
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, link_map AS (
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SELECT
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a.srce
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,a.id
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,a.target
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,a.seq
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,a.map_intention
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,a.map_val
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,a.retain_val retain_value
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,v.map
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FROM
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agg_to_target a
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LEFT OUTER JOIN tps.map_rv v ON
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v.srce = a.srce AND
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v.target = a.target AND
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v.retval = a.map_val
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)
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--SELECT * FROM link_map
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, agg_to_id AS (
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SELECT
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srce
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,id
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,tps.jsonb_concat_obj(COALESCE(retain_value,'{}'::jsonb) ORDER BY seq DESC) retain_val
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,tps.jsonb_concat_obj(COALESCE(map,'{}'::jsonb)) map
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FROM
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link_map
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GROUP BY
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srce
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,id
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)
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--SELECT agg_to_id.srce, agg_to_id.id, jsonb_pretty(agg_to_id.retain_val) , jsonb_pretty(agg_to_id.map) FROM agg_to_id ORDER BY id desc LIMIT 100
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UPDATE
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tps.trans t
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SET
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map = o.map,
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parse = o.retain_val,
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allj = t.rec||o.map||o.retain_val
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FROM
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agg_to_id o
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WHERE
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o.id = t.id;
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END IF;
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RETURN NULL;
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END;
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$f$ LANGUAGE plpgsql;
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CREATE TRIGGER trans_insert
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AFTER INSERT ON tps.trans
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REFERENCING NEW TABLE AS new_table
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FOR EACH STATEMENT EXECUTE PROCEDURE tps.trans_insert_map();
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