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-- Create functions in current DB
create function div (
n1 integer,
n2 integer
) returns double precision
external name 'udf_compat!UC_div'
engine udr;
create function frac (
val double precision
) returns double precision
external name 'udf_compat!UC_frac'
engine udr;
create function dow (
val timestamp
) returns varchar(53) character set none
external name 'udf_compat!UC_dow'
engine udr;
create function sdow (
val timestamp
) returns varchar(13) character set none
external name 'udf_compat!UC_sdow'
engine udr;
create function getExactTimestampUTC
returns timestamp
external name 'udf_compat!UC_getExactTimestampUTC'
engine udr;
create function isLeapYear (
val timestamp
) returns boolean
external name 'udf_compat!UC_isLeapYear'
engine udr;
-- Run minimum test
select 25, 3, div(25, 3) from rdb$database;
select pi(), frac(pi()) from rdb$database;
select timestamp '2020-01-29', dow(timestamp '2020-01-29'), sdow(timestamp '2020-01-29') from rdb$database;
set time zone 'utc';
select cast(((current_timestamp - getexacttimestamputc()) * 1000) as integer) as getexacttimestamptest from rdb$database;
set time zone local;
select timestamp '2019-01-29', isleapyear(timestamp '2019-01-29') from rdb$database;
select timestamp '2020-01-29', isleapyear(timestamp '2020-01-29') from rdb$database;