HI,
pgbench can support literal parameter now, so if need different pgbench
client thread to support different table name.
must use multi script , and set different name in the file.
but ,if pgbench can support it , will much better like sysbench.
for exp:
```
vi test.sql
\set id ra
PostgreSQL continued in sharding technology fdw based roots, the 9.6 Subject to
the conditions set, and JOIN support SORT pushed down to the data node
execution.
Here is a test
Create several shard databases
for subfix in 0 1 2 3
do
psql -c "create database db $ subfix"
done
Create a master d
