20 lines
1.6 KiB
SQL
20 lines
1.6 KiB
SQL
SELECT
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-------------------------------------------create table---------------------------------------------------------------------------------------------------------
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'DROP TABLE IF EXISTS fc.'||func||' CASCADE; CREATE TABLE IF NOT EXISTS fc.'||func||' (' ||
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string_agg(format('%I',cname) || ' ' || dtype,', ' ORDER BY opos ASC) ||
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', PRIMARY KEY ('||string_agg(format('%I',cname),', ') FILTER (WHERE fkey = func)||'));' AS ddl,
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-------------------------------------------populate table-------------------------------------------------------------------------------------------------------
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---need to add a clause to exclude where the key is null
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'INSERT INTO fc.'||func||' SELECT DISTINCT ' || string_agg(format('%I',cname),', ' ORDER BY opos ASC) || ' FROM '||tname||' WHERE '||
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string_agg(format('%I',cname)||' IS NOT NULL ',' AND ') FILTER (WHERE fkey = func)||' ON CONFLICT DO NOTHING' AS pop,
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-------------------------------------------setup foreign keys---------------------------------------------------------------------------------------------------
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'ALTER TABLE fc.live ADD CONSTRAINT fk_'||func||' FOREIGN KEY ('||string_agg(format('%I',cname),', ') FILTER (WHERE fkey = func)||') REFERENCES fc.'||func||' ('||
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string_agg(format('%I',cname),', ') FILTER (WHERE fkey = func)||')' AS fk
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FROM
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fc.target_meta
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GROUP BY
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tname
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,func
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HAVING
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string_agg(cname,', ') FILTER (WHERE fkey = func) <> ''
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