70 lines
1.5 KiB
SQL
70 lines
1.5 KiB
SQL
|
|
-- SQL code to load and define 'datetime' functions
|
|
|
|
-- load the new functions
|
|
|
|
load '/home/dz/lib/postgres/datetime_functions.so';
|
|
|
|
-- define the new functions in postgres
|
|
|
|
create function time_difference(time,time)
|
|
returns time
|
|
as '/home/dz/lib/postgres/datetime_functions.so'
|
|
language 'c';
|
|
|
|
create function currentDate()
|
|
returns date
|
|
as '/home/dz/lib/postgres/datetime_functions.so'
|
|
language 'c';
|
|
|
|
create function currentTime()
|
|
returns time
|
|
as '/home/dz/lib/postgres/datetime_functions.so'
|
|
language 'c';
|
|
|
|
create function hours(time)
|
|
returns int4
|
|
as '/home/dz/lib/postgres/datetime_functions.so'
|
|
language 'c';
|
|
|
|
create function minutes(time)
|
|
returns int4
|
|
as '/home/dz/lib/postgres/datetime_functions.so'
|
|
language 'c';
|
|
|
|
create function seconds(time)
|
|
returns int4
|
|
as '/home/dz/lib/postgres/datetime_functions.so'
|
|
language 'c';
|
|
|
|
create function day(date)
|
|
returns int4
|
|
as '/home/dz/lib/postgres/datetime_functions.so'
|
|
language 'c';
|
|
|
|
create function month(date)
|
|
returns int4
|
|
as '/home/dz/lib/postgres/datetime_functions.so'
|
|
language 'c';
|
|
|
|
create function year(date)
|
|
returns int4
|
|
as '/home/dz/lib/postgres/datetime_functions.so'
|
|
language 'c';
|
|
|
|
create function asMinutes(time)
|
|
returns int4
|
|
as '/home/dz/lib/postgres/datetime_functions.so'
|
|
language 'c';
|
|
|
|
create function asSeconds(time)
|
|
returns int4
|
|
as '/home/dz/lib/postgres/datetime_functions.so'
|
|
language 'c';
|
|
|
|
create operator - (
|
|
leftarg=time,
|
|
rightarg=time,
|
|
procedure=time_difference);
|
|
|