19.18. Short Options

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 x

shared_buffers = x

-d x

log_min_messages = DEBUGx

-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 x

listen_addresses = x

-i

listen_addresses = '*'

-k x

unix_socket_directories = x

-l

ssl = on

-N x

max_connections = x

-O

allow_system_table_mods = on

-p x

port = x

-P

ignore_system_indexes = on

-s

log_statement_stats = on

-S x

work_mem = x

-tpa, -tpl, -te

log_parser_stats = on, log_planner_stats = on, log_executor_stats = on

-W x

post_auth_delay = x

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