From e5f6afc81eb23c3da2f6abc13223d83cf1b53cb4 Mon Sep 17 00:00:00 2001 From: Laurent Destailleur <eldy@users.sourceforge.net> Date: Wed, 28 Oct 2009 18:00:29 +0000 Subject: [PATCH] Qual: Better compatibility with other databases --- htdocs/install/pgsql/functions/functions.sql | 2 ++ 1 file changed, 2 insertions(+) diff --git a/htdocs/install/pgsql/functions/functions.sql b/htdocs/install/pgsql/functions/functions.sql index e4f641f5403..7870fc1102c 100644 --- a/htdocs/install/pgsql/functions/functions.sql +++ b/htdocs/install/pgsql/functions/functions.sql @@ -23,3 +23,5 @@ CREATE OR REPLACE FUNCTION UNIX_TIMESTAMP(TIMESTAMP WITHOUT TIME ZONE) RETURNS B CREATE OR REPLACE FUNCTION UNIX_TIMESTAMP(TIMESTAMP WITH TIME ZONE) RETURNS BIGINT LANGUAGE SQL IMMUTABLE STRICT AS 'SELECT EXTRACT(EPOCH FROM $1)::bigint;'; CREATE OR REPLACE FUNCTION FROM_UNIXTIME(BIGINT, VARCHAR) RETURNS TIMESTAMP WITH TIME ZONE LANGUAGE SQL IMMUTABLE STRICT AS 'SELECT TIMESTAMP WITH TIME ZONE \'epoch\' + $1 * interval \'1 second\' ;'; + +CREATE OR REPLACE FUNCTION date_format(timestamp without time zone, text) RETURNS text AS $$ DECLARE i int := 1; temp text := ''; c text; n text; res text; BEGIN WHILE i <= pg_catalog.length($2) LOOP c := SUBSTRING ($2 FROM i FOR 1); IF c = '%' AND i != pg_catalog.length($2) THEN n := SUBSTRING ($2 FROM (i + 1) FOR 1); SELECT INTO res CASE WHEN n = 'a' THEN pg_catalog.to_char($1, 'Dy') WHEN n = 'b' THEN pg_catalog.to_char($1, 'Mon') WHEN n = 'c' THEN pg_catalog.to_char($1, 'FMMM') WHEN n = 'D' THEN pg_catalog.to_char($1, 'FMDDth') WHEN n = 'd' THEN pg_catalog.to_char($1, 'DD') WHEN n = 'e' THEN pg_catalog.to_char($1, 'FMDD') WHEN n = 'f' THEN pg_catalog.to_char($1, 'US') WHEN n = 'H' THEN pg_catalog.to_char($1, 'HH24') WHEN n = 'h' THEN pg_catalog.to_char($1, 'HH12') WHEN n = 'I' THEN pg_catalog.to_char($1, 'HH12') WHEN n = 'i' THEN pg_catalog.to_char($1, 'MI') WHEN n = 'j' THEN pg_catalog.to_char($1, 'DDD') WHEN n = 'k' THEN pg_catalog.to_char($1, 'FMHH24') WHEN n = 'l' THEN pg_catalog.to_char($1, 'FMHH12') WHEN n = 'M' THEN pg_catalog.to_char($1, 'FMMonth') WHEN n = 'm' THEN pg_catalog.to_char($1, 'MM') WHEN n = 'p' THEN pg_catalog.to_char($1, 'AM') WHEN n = 'r' THEN pg_catalog.to_char($1, 'HH12:MI:SS AM') WHEN n = 'S' THEN pg_catalog.to_char($1, 'SS') WHEN n = 's' THEN pg_catalog.to_char($1, 'SS') WHEN n = 'T' THEN pg_catalog.to_char($1, 'HH24:MI:SS') WHEN n = 'U' THEN pg_catalog.to_char($1, '?') WHEN n = 'u' THEN pg_catalog.to_char($1, '?') WHEN n = 'V' THEN pg_catalog.to_char($1, '?') WHEN n = 'v' THEN pg_catalog.to_char($1, '?') WHEN n = 'W' THEN pg_catalog.to_char($1, 'FMDay') WHEN n = 'w' THEN EXTRACT(DOW FROM $1)::text WHEN n = 'X' THEN pg_catalog.to_char($1, '?') WHEN n = 'x' THEN pg_catalog.to_char($1, '?') WHEN n = 'Y' THEN pg_catalog.to_char($1, 'YYYY') WHEN n = 'y' THEN pg_catalog.to_char($1, 'YY') WHEN n = '%' THEN pg_catalog.to_char($1, '%') ELSE NULL END; temp := temp operator(pg_catalog.||) res; i := i + 2; ELSE temp = temp operator(pg_catalog.||) c; i := i + 1; END IF; END LOOP; RETURN temp; END $$ IMMUTABLE STRICT LANGUAGE PLPGSQL; -- GitLab