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70 lines
1.5 KiB
SQL
70 lines
1.5 KiB
SQL
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-- SQL code to load and define 'datetime' functions
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-- load the new functions
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load '/home/dz/lib/postgres/datetime_functions.so';
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-- define the new functions in postgres
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create function time_difference(time,time)
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returns time
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as '/home/dz/lib/postgres/datetime_functions.so'
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language 'c';
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create function currentDate()
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returns date
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as '/home/dz/lib/postgres/datetime_functions.so'
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language 'c';
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create function currentTime()
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returns time
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as '/home/dz/lib/postgres/datetime_functions.so'
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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 '/home/dz/lib/postgres/datetime_functions.so'
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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 '/home/dz/lib/postgres/datetime_functions.so'
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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 '/home/dz/lib/postgres/datetime_functions.so'
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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 '/home/dz/lib/postgres/datetime_functions.so'
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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 '/home/dz/lib/postgres/datetime_functions.so'
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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 '/home/dz/lib/postgres/datetime_functions.so'
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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 '/home/dz/lib/postgres/datetime_functions.so'
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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 '/home/dz/lib/postgres/datetime_functions.so'
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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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