81 lines
2.2 KiB
PL/PgSQL
81 lines
2.2 KiB
PL/PgSQL
/*
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This function takes and array of definition object where "name" object is the primary key
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It will force the entire body of sources to match what is received
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*/
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DROP FUNCTION IF EXISTS tps.srce_overwrite_all(jsonb);
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CREATE FUNCTION tps.srce_overwrite_all(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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_rebuild BOOLEAN;
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BEGIN
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WITH
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--retain the results of the update by srce
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_set AS (
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SELECT
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j.rn rn
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,j.e->>'name' srce
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,j.e defn
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FROM
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jsonb_array_elements(_defn) WITH ORDINALITY j(e, rn) ON TRUE
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)
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--full join
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,_full AS (
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SELECT
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COALESCE(_srce.srce,_set.srce) srce
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,CASE COALESCE(_set.srce,'DELETE') WHEN 'DELETE' THEN 'DELETE' ELSE 'SET' END actn
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,COALESCE(_set.defn,_srce.defn) defn
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FROM
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l
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FULL OUTER JOIN _set ON
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_set.srce = _srce.srce
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)
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--call functions from list
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,_do AS (
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SELECT
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f.srce
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,f.actn
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,COALESCE(setd.message, deld.message) message
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FROM
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_full f
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LEFT JOIN LATERAL tps.srce_set(defn) setd(message) ON f.actn = 'SET'
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LEFT JOIN LATERAL tps.srce_delete(defn) deld(message) ON f.actn = 'DELETE'
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)
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--aggregate all the messages into one message
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----
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---- should look at rolling back the whole thing if one of the function returns a fail. stored proc could do this.
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----
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SELECT
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jsonb_agg(jsonb_build_object('source',srce,'status',message->>'status','message',message->>'message'))
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INTO
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_message
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FROM
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_do;
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RETURN _message;
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EXCEPTION WHEN OTHERS THEN
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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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($$
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{
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"status":"fail",
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"message":"error updating sources"
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}
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$$::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 |