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Update of contrib stuff from massimo.

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Bruce Momjian
1997-11-05 21:38:25 +00:00
parent 5aaf00f3f3
commit 951986c550
33 changed files with 2547 additions and 578 deletions
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contrib/datetime/datetime_functions.sql.in Normal file
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-- SQL code to define the new date and time functions and operators
-- Define the new functions
--
create function hhmm_in(opaque) returns time
as 'MODULE_PATHNAME'
language 'c';
create function hhmm_out(opaque) returns int4
as 'MODULE_PATHNAME'
language 'c';
create function hhmm(time) returns time
as 'MODULE_PATHNAME'
language 'c';
create function time_difference(time,time) returns time
as 'MODULE_PATHNAME'
language 'c';
create function time_hours(time) returns int4
as 'MODULE_PATHNAME'
language 'c';
create function time_minutes(time) returns int4
as 'MODULE_PATHNAME'
language 'c';
create function time_seconds(time) returns int4
as 'MODULE_PATHNAME'
language 'c';
create function as_minutes(time) returns int4
as 'MODULE_PATHNAME'
language 'c';
create function as_seconds(time) returns int4
as 'MODULE_PATHNAME'
language 'c';
create function date_day(date) returns int4
as 'MODULE_PATHNAME'
language 'c';
create function date_month(date) returns int4
as 'MODULE_PATHNAME'
language 'c';
create function date_year(date) returns int4
as 'MODULE_PATHNAME'
language 'c';
create function currenttime() returns time
as 'MODULE_PATHNAME'
language 'c';
create function currentdate() returns date
as 'MODULE_PATHNAME'
language 'c';
-- Define a new operator - for time
--
create operator - (
leftarg=time,
rightarg=time,
procedure=time_difference);
-- Define functions to switch from time to hhmm representation
--
-- select hhmm_mode();
-- select time_mode();
--
create function hhmm_mode() returns text
as 'update pg_type set typinput =''hhmm_in'' where typname=''time'';
update pg_type set typoutput=''hhmm_out'' where typname=''time''
select ''hhmm_mode''::text'
language 'sql';
create function time_mode() returns text
as 'update pg_type set typinput =''time_in'' where typname=''time'';
update pg_type set typoutput=''time_out'' where typname=''time''
select ''time_mode''::text'
language 'sql';
-- Use these to do the updates manually
--
-- update pg_type set typinput ='hhmm_in' where typname='time';
-- update pg_type set typoutput='hhmm_out' where typname='time';
--
-- update pg_type set typinput ='time_in' where typname='time';
-- update pg_type set typoutput='time_out' where typname='time';
-- end of file