eec4c7366f
Here is a tar file the new directories, which substitute the old ones in contrib. Please remove the old directories array, datetime, miscutil, string and userlock before unpacking the tar file in contrib. Note that as the modules are now installed in lib/modules I install all my sql code in lib/sql. In my opinion also the other contributors should follow these rules.
100 lines
2.5 KiB
MySQL
100 lines
2.5 KiB
MySQL
-- datetime_functions.sql --
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--
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-- SQL code to define the new date and time functions and operators
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--
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-- Copyright (c) 1998, Massimo Dal Zotto <dz@cs.unitn.it>
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--
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-- This file is distributed under the GNU General Public License
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-- either version 2, or (at your option) any later version.
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-- Define the new time functions.
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--
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create function hhmm_in(opaque) returns time
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as 'MODULE_PATHNAME'
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language 'c';
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create function hhmm_out(opaque) returns int4
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as 'MODULE_PATHNAME'
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language 'c';
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create function hhmm(time) returns time
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as 'MODULE_PATHNAME'
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language 'c';
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create function time_difference(time,time) returns time
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as 'MODULE_PATHNAME'
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language 'c';
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create function time_hours(time) returns int4
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as 'MODULE_PATHNAME'
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language 'c';
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create function time_minutes(time) returns int4
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as 'MODULE_PATHNAME'
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language 'c';
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create function time_seconds(time) returns int4
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as 'MODULE_PATHNAME'
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language 'c';
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create function as_minutes(time) returns int4
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as 'MODULE_PATHNAME'
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language 'c';
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create function as_seconds(time) returns int4
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as 'MODULE_PATHNAME'
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language 'c';
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create function date_day(date) returns int4
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as 'MODULE_PATHNAME'
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language 'c';
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create function date_month(date) returns int4
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as 'MODULE_PATHNAME'
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language 'c';
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create function date_year(date) returns int4
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as 'MODULE_PATHNAME'
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language 'c';
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create function currenttime() returns time
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as 'MODULE_PATHNAME'
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language 'c';
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create function currentdate() returns date
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as 'MODULE_PATHNAME'
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language 'c';
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-- Define new operator - for time.
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--
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create operator - (
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leftarg=time,
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rightarg=time,
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procedure=time_difference);
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-- Define functions to switch from time to hhmm representation.
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--
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-- select hhmm_mode();
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-- select time_mode();
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--
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create function hhmm_mode() returns text
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as 'update pg_type set typinput =''hhmm_in'' where typname=''time'';
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update pg_type set typoutput=''hhmm_out'' where typname=''time''
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select ''hhmm_mode''::text'
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language 'sql';
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create function time_mode() returns text
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as 'update pg_type set typinput =''time_in'' where typname=''time'';
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update pg_type set typoutput=''time_out'' where typname=''time''
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select ''time_mode''::text'
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language 'sql';
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-- Use these to do the updates manually
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--
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-- update pg_type set typinput ='hhmm_in' where typname='time';
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-- update pg_type set typoutput='hhmm_out' where typname='time';
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--
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-- update pg_type set typinput ='time_in' where typname='time';
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-- update pg_type set typoutput='time_out' where typname='time';
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-- end of file
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