110 lines
3.5 KiB
PL/PgSQL
110 lines
3.5 KiB
PL/PgSQL
CREATE OR REPLACE FUNCTION tps.srce_map_def_set(_defn jsonb) RETURNS jsonb
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AS
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$f$
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DECLARE
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_message jsonb;
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_MESSAGE_TEXT text;
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_PG_EXCEPTION_DETAIL text;
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_PG_EXCEPTION_HINT text;
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BEGIN
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WITH
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------------------------------------------stage rows to insert-----------------------------------------------------
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stg AS (
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SELECT
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--data source
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ae.r->>'srce' srce
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--map name
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,ae.r->>'name' target
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--map definition
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,ae.r regex
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--map aggregation sequence
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,(ae.r->>'sequence')::INTEGER seq
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--history definition
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,jsonb_build_object(
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'hist_defn',ae.r
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,'effective',jsonb_build_array(CURRENT_TIMESTAMP,null::timestamptz)
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) || '[]'::jsonb hist
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--determine if the rows are new or match
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,(m.regex->>'regex' = ae.r->>'regex')::BOOLEAN rebuild
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FROM
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jsonb_array_elements(_defn) ae(r)
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LEFT OUTER JOIN tps.map_rm m ON
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m.srce = ae.r->>'srce'
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AND m.target = ae.t->>'name'
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)
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---------------------------------------do the upsert-------------------------------------------------------------------
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,ins AS (
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INSERT INTO
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tps.map_rm (srce, target, regex, seq, hist)
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SELECT
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srce
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,target
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,regex
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,seq
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,hist
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FROM
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stg
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ON CONFLICT ON CONSTRAINT map_rm_pk DO UPDATE SET
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srce = excluded.srce
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,target = excluded.target
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,regex = excluded.regex
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,seq = excluded.seq
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,hist =
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--the new definition going to position -0-
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jsonb_build_object(
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'hist_defn',excluded.regex
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,'effective',jsonb_build_array(CURRENT_TIMESTAMP,null::timestamptz)
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)
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--the previous definition, set upper bound of effective range which was previously null
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|| jsonb_set(
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map_rm.hist
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,'{0,effective,1}'::text[]
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,to_jsonb(CURRENT_TIMESTAMP)
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)
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)
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---------------------------get list of sources that had maps change--------------------------------------------------------
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, to_update AS (
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SELECT DISTINCT
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srce
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FROM
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ins
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WHERE
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rebuild = TRUE
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)
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--------------------------call the map overwrite for each source and return all the messages into message----------------
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/*the whole source must be overwritten because if an element is no longer returned it shoudl be wiped from the data*/
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SELECT
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jsonb_agg(x.message)
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INTO
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_message
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FROM
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to_update
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JOIN LATERAL tps.srce_map_overwrite(to_update.srce) AS x(message) ON TRUE;
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_message:= jsonb_build_object('status','complete','message','definition has been set');
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return _message;
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GET STACKED DIAGNOSTICS
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_MESSAGE_TEXT = MESSAGE_TEXT,
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_PG_EXCEPTION_DETAIL = PG_EXCEPTION_DETAIL,
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_PG_EXCEPTION_HINT = PG_EXCEPTION_HINT;
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_message:=
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($$
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{
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"status":"fail",
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"message":"error setting definition"
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}
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$$::jsonb)
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||jsonb_build_object('message_text',_MESSAGE_TEXT)
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||jsonb_build_object('pg_exception_detail',_PG_EXCEPTION_DETAIL);
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return _message;
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END;
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$f$
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language plpgsql |