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CREATE FUNCTION gtsq_in(cstring) RETURNS gtsq
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AS '$libdir/tsearch2', 'gtsq_in'
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CREATE FUNCTION multiply_numbers(number1 integer, number2 integer) RETURNS integer
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return number1 * number2;
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LANGUAGE plpgsql STRICT;
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CREATE FUNCTION select_something(number1 integer, number2 integer) RETURNS integer
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AS $_$SELECT number1 * number2$_$ LANGUAGE plpgsql;
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CREATE FUNCTION select_something2(number1 integer, number2 integer) RETURNS integer
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AS 'SELECT number1 * number2 || \'text\'' LANGUAGE plpgsql;
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CREATE FUNCTION select_something3(number1 integer, number2 integer) RETURNS integer
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SELECT number1 * number2 || \'text\'