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Diffstat (limited to 'contrib/tablefunc/README.tablefunc')
| -rw-r--r-- | contrib/tablefunc/README.tablefunc | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/contrib/tablefunc/README.tablefunc b/contrib/tablefunc/README.tablefunc index b80899e957..ddae931319 100644 --- a/contrib/tablefunc/README.tablefunc +++ b/contrib/tablefunc/README.tablefunc @@ -48,7 +48,7 @@ Installation: installs following functions into database template1: - normal_rand(int numvals, float8 mean, float8 stddev, int seed) + normal_rand(int numvals, float8 mean, float8 stddev) - returns a set of normally distributed float8 values crosstabN(text sql) @@ -74,12 +74,12 @@ Documentation ================================================================== Name -normal_rand(int, float8, float8, int) - returns a set of normally +normal_rand(int, float8, float8) - returns a set of normally distributed float8 values Synopsis -normal_rand(int numvals, float8 mean, float8 stddev, int seed) +normal_rand(int numvals, float8 mean, float8 stddev) Inputs @@ -92,9 +92,6 @@ Inputs stddev the standard deviation of the normal distribution of values - seed - a seed value for the pseudo-random number generator - Outputs Returns setof float8, where the returned set of random values are normally @@ -103,7 +100,7 @@ Outputs Example usage test=# SELECT * FROM - test=# normal_rand(1000, 5, 3, EXTRACT(SECONDS FROM CURRENT_TIME(0))::int); + test=# normal_rand(1000, 5, 3); normal_rand ---------------------- 1.56556322244898 |