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76 lines
1.3 KiB
SQL
76 lines
1.3 KiB
SQL
func=$1
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cat <<% > datetime_functions.sql
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drop function time_difference(time,time);
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drop function currentdate();
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drop function currenttime();
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drop function hours(time);
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drop function minutes(time);
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drop function seconds(time);
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drop function day(date);
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drop function month(date);
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drop function year(date);
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drop function asminutes(time);
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drop function asseconds(time);
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drop operator - (time,time);
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create function time_difference(time,time)
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returns time
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as '$func'
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language 'c';
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create function currentdate()
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returns date
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as '$func'
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language 'c';
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create function currenttime()
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returns time
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as '$func'
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language 'c';
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create function hours(time)
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returns int4
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as '$func'
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language 'c';
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create function minutes(time)
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returns int4
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as '$func'
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language 'c';
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create function seconds(time)
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returns int4
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as '$func'
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language 'c';
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create function day(date)
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returns int4
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as '$func'
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language 'c';
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create function month(date)
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returns int4
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as '$func'
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language 'c';
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create function year(date)
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returns int4
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as '$func'
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language 'c';
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create function asminutes(time)
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returns int4
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as '$func'
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language 'c';
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create function asseconds(time)
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returns int4
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as '$func'
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language 'c';
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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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%
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