For convenience there are also single letter command-line option switches available for some parameters. They are described in Table 17.1, “Short option key”.
Table 17.1. Short option key
| Short option | Equivalent |
|---|---|
-B |
shared_buffers = |
-d |
log_min_messages = DEBUG |
-F |
fsync = off |
-h |
listen_addresses = |
-i |
listen_addresses = '*' |
-k |
unix_socket_directory = |
-l |
ssl = on |
-N |
max_connections = |
-p |
port = |
-fb, -fh, -fi,
-fm, -fn,
-fs, -ft[a]
|
enable_bitmapscan = off,
enable_hashjoin = off,
enable_indexscan = off,
enable_mergejoin = off,
enable_nestloop = off,
enable_seqscan = off,
enable_tidscan = off
|
-s[a]
|
log_statement_stats = on |
-S [a]
|
work_mem = |
-tpa, -tpl, -te[a]
|
log_parser_stats = on,
log_planner_stats = on,
log_executor_stats = on
|
[a] For historical reasons, these options must be passed to
the individual server process via the $
or via PGOPTIONS from the client side, as
explained above.
| |