33 lines
1005 B
PL/PgSQL
33 lines
1005 B
PL/PgSQL
DROP FUNCTION IF EXISTS tps.build_srce_view_sql(text, text);
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CREATE OR REPLACE FUNCTION tps.build_srce_view_sql(_srce text, _schema text) RETURNS TEXT
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AS
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$f$
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DECLARE
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--_schema text;
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--_srce text;
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_sql text;
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BEGIN
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--_schema:= 'default';
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--_srce:= 'dcard';
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SELECT
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'DROP VIEW IF EXISTS tpsv.'||s.srce||'_'||(list.e->>'name')||'; CREATE VIEW tpsv.'||s.srce||'_'||(list.e->>'name')||' AS SELECT id, logid, allj, '||string_agg('(allj#>>'''||rec.PATH::text||''')::'||rec.type||' AS "'||rec.column_name||'"',', ')||' FROM tps.trans WHERE srce = '''||s.srce||''';'
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INTO
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_sql
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FROM
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tps.srce s
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JOIN LATERAL jsonb_array_elements(s.defn->'schemas') list (e) ON TRUE
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JOIN LATERAL jsonb_array_elements(list.e->'columns') as cols(e) ON TRUE
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JOIN LATERAL jsonb_to_record (cols.e) AS rec( PATH text[], "type" text, column_name text) ON TRUE
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WHERE
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srce = _srce
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AND list.e->>'name' = _schema
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GROUP BY
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s.srce
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,list.e;
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RETURN _sql;
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RAISE NOTICE '%',_sql;
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END
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$f$
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LANGUAGE plpgsql; |