50 lines
1.3 KiB
SQL
50 lines
1.3 KiB
SQL
DO
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$func$
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DECLARE
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_clist text;
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_targ text;
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_sql text;
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BEGIN
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-----------------------------this target would be replaced with a parameter--------------
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SELECT
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'rlarp.osm_dev o'
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INTO
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_targ;
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-------------------------------build a column list-----------------------------------------
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-----------a list of required columns is in fc.appcols, if they are not present------------
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-----------they will have to build included------------------------------------------------
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SELECT
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string_agg(
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--if the colum name is empty that means we are dealig with a required appcol
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--that isn't present: use the appcol.col for the name preceded by underscore
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CASE WHEN m.cname IS NULL
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THEN COALESCE(a.dflt,'null::'||a.dtype)||' AS _'||a.col
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ELSE 'o.'||format('%I',COALESCE(cname,''))
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END
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,E'\n ,' ORDER BY opos ASC)
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INTO
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_clist
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FROM
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fc.target_meta m
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FULL OUTER JOIN fc.appcols a ON
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m.appcol = a.col
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AND m.dtype = a.dtype
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WHERE
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tname = _targ;
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_sql:= $$CREATE TABLE IF NOT EXISTS fc.live AS (
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SELECT
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$$||_clist||$$
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FROM
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$$||_targ||$$
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) WITH DATA;$$;
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--RAISE NOTICE '%', _sql;
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INSERT INTO fc.sql SELECT 'live', _sql ON CONFLICT ON CONSTRAINT sql_pkey DO UPDATE SET t = EXCLUDED.t;
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END;
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$func$
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