zipfian parameter must be in range [1.001, 1000] (not 0.990000)

[patsevanton]

Hello

free -m
              total        used        free      shared  buff/cache   available
Mem:            992          93          86          38         812         673
Swap:             0           0           0

Install

yum install https://download.postgresql.org/pub/repos/yum/reporpms/EL-7-x86_64/pgdg-redhat-repo-latest.noarch.rpm
yum install postgresql12 postgresql12-server
/usr/pgsql-12/bin/postgresql-12-setup initdb
systemctl enable postgresql-12
systemctl start postgresql-12

test:

/usr/pgsql-12/bin/pgbench -i
/usr/pgsql-12/bin/pgbench postgres -f scripts/zipfian/read.sql@50 -f scripts/zipfian/update.sql@50 -T60 -c10
starting vacuum...end.
zipfian parameter must be in range [1.001, 1000] (not 0.990000)
client 0 aborted in command 0 (SET) of script 0; evaluation of meta-command failed
zipfian parameter must be in range [1.001, 1000] (not 0.990000)
client 1 aborted in command 0 (SET) of script 1; evaluation of meta-command failed
zipfian parameter must be in range [1.001, 1000] (not 0.990000)
client 2 aborted in command 0 (SET) of script 1; evaluation of meta-command failed
zipfian parameter must be in range [1.001, 1000] (not 0.990000)
client 3 aborted in command 0 (SET) of script 1; evaluation of meta-command failed
zipfian parameter must be in range [1.001, 1000] (not 0.990000)
client 4 aborted in command 0 (SET) of script 1; evaluation of meta-command failed
zipfian parameter must be in range [1.001, 1000] (not 0.990000)
client 5 aborted in command 0 (SET) of script 0; evaluation of meta-command failed
zipfian parameter must be in range [1.001, 1000] (not 0.990000)
client 6 aborted in command 0 (SET) of script 0; evaluation of meta-command failed
zipfian parameter must be in range [1.001, 1000] (not 0.990000)
client 7 aborted in command 0 (SET) of script 1; evaluation of meta-command failed
zipfian parameter must be in range [1.001, 1000] (not 0.990000)
client 8 aborted in command 0 (SET) of script 1; evaluation of meta-command failed
zipfian parameter must be in range [1.001, 1000] (not 0.990000)
client 9 aborted in command 0 (SET) of script 1; evaluation of meta-command failed
transaction type: multiple scripts
scaling factor: 1
query mode: simple
number of clients: 10
number of threads: 1
duration: 60 s
number of transactions actually processed: 0
Run was aborted; the above results are incomplete.

[patsevanton]

Change

\SET id random_zipfian(1, 100000 * :scale, 0.99)

to

\SET id random_zipfian(1, 100000 * :scale, 2)

Test is work