For convenience there are also single letter command-line option switches available for some parameters. They are described in Table 19-2. Some of these options exist for historical reasons, and their presence as a single-letter option does not necessarily indicate an endorsement to use the option heavily.
Table 19-2. Short Option Key
Short Option | Equivalent |
---|---|
-B | shared_buffers = |
-d | log_min_messages = DEBUG |
-e | datestyle = euro |
-fb , -fh , -fi , -fm , -fn , -fo , -fs , -ft
|
enable_bitmapscan = off , enable_hashjoin = off , enable_indexscan = off , enable_mergejoin = off , enable_nestloop = off , enable_indexonlyscan = off , enable_seqscan = off , enable_tidscan = off
|
-F | fsync = off |
-h | listen_addresses = |
-i | listen_addresses = '*' |
-k | unix_socket_directories = |
-l | ssl = on |
-N | max_connections = |
-O | allow_system_table_mods = on |
-p | port = |
-P | ignore_system_indexes = on |
-s | log_statement_stats = on |
-S | work_mem = |
-tpa , -tpl , -te
|
log_parser_stats = on , log_planner_stats = on , log_executor_stats = on
|
-W | post_auth_delay = |
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