39 lines
894 B
MySQL
39 lines
894 B
MySQL
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abort;
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set local session authorization default;
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CREATE OR REPLACE FUNCTION array_distinct(anyarray) RETURNS anyarray AS $f$
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SELECT array_agg(DISTINCT x) FROM unnest($1) t(x);
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$f$ LANGUAGE SQL IMMUTABLE;
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CREATE OR REPLACE FUNCTION lastRowCount()
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RETURNS bigint
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LANGUAGE plpgsql AS $$
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DECLARE
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lastRowCount bigint;
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BEGIN
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GET DIAGNOSTICS lastRowCount = ROW_COUNT;
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RETURN lastRowCount;
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END;
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$$;
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-- ========================================================
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-- Test Data helpers
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-- --------------------------------------------------------
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CREATE OR REPLACE FUNCTION intToVarChar(i integer, len integer)
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RETURNS varchar
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LANGUAGE plpgsql AS $$
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DECLARE
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partial varchar;
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BEGIN
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SELECT chr(ascii('a') + i%26) INTO partial;
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IF len > 1 THEN
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RETURN intToVarChar(i/26, len-1) || partial;
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ELSE
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RETURN partial;
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END IF;
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END; $$;
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SELECT * FROM intToVarChar(211, 4);
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