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zsh-completions/_pgsql_utils
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Johann 'Myrkraverk' Oskarsson e64e7256c5 PostgreSQL comletion fixes. Added port number completions based on local
socket files.  Use explicit queries to list users, tables and databases
so we don't need to parse psql output.  Tested with 8.2 - 9.2.
2012-06-22 12:44:35 +00:00

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#compdef psql pg_dump createdb dropdb vacuumdb
# ------------------------------------------------------------------------------
# Description
# -----------
#
# Completion script for PostgreSQL utils (http://postgresql.org).
#
# Source: http://www.zsh.org/mla/users/2004/msg01006.html
#
# ------------------------------------------------------------------------------
# Authors
# -------
#
# * Dominic Mitchell <dom+zsh@happygiraffe.net>
#
# * Johann 'Myrkraverk' Oskarsson <johann@2ndquadrant.com>
#
# ------------------------------------------------------------------------------
# -*- mode: zsh; sh-indentation: 2; indent-tabs-mode: nil; sh-basic-offset: 2; -*-
# vim: ft=zsh sw=2 ts=2 et
# ------------------------------------------------------------------------------
_pgsql_get_identity () {
_pgsql_user=${(v)opt_args[(i)-U|--username]}
_pgsql_port=${(v)opt_args[(i)-p|--port]}
_pgsql_host=${(v)opt_args[(i)-h|--host]}
_pgsql_params=(
${_pgsql_user:+"--username=$_pgsql_user"}
${_pgsql_port:+"--port=$_pgsql_port"}
${_pgsql_host:+"--host=$_pgsql_host"}
)
}
# Postgres Allows specifying the path to the directory containing the
# socket as well as a hostname.
_pgsql_host_or_dir() {
_alternative \
'hosts:host:_hosts' \
'directories:directory:_directories'
}
# This creates a port completion list based on socket files on the
# local computer. Be default, Postgres puts them in /tmp/ but Debian
# changed that to /var/run/postgresql/ in their packages.
_pgsql_ports() {
compadd "$@" - /tmp/.s.PGSQL.<->(N:e) /var/run/postgresql/.s.PGSQL.<->(N:e)
}
_pgsql_users () {
local _pgsql_user _pgsql_port _pgsql_host _pgsql_params
local _pgsql_user_sql
_pgsql_get_identity
# We use _pgsql_port and _pgsql_host directly here instead of
# _pgsql_params so as to not pick up a partially completed
# username.
_pgsql_params=(
${_pgsql_port:+"--port=$_pgsql_port"}
${_pgsql_host:+"--host=$_pgsql_host"}
)
_pgsql_user_sql='select r.rolname from pg_catalog.pg_roles r where r.rolcanlogin = true'
compadd "$@" - $( psql $_pgsql_params[@] -Aqt -c $_pgsql_user_sql template1 2>/dev/null )
}
_pgsql_tables () {
local _pgsql_user _pgsql_port _pgsql_host _pgsql_params
_pgsql_get_identity
# Need to pull out the database name from the existing arguments.
# This is going to vary between commands. Thankfully, it's only
# used by pg_dump, which always has the dbname in arg1. If it's
# not present it defaults to ${PGDATABASE:-$LOGNAME}, which
# matches (I think) the PostgreSQL behaviour.
local db
db=${line[1]:-${PGDATABASE:-$LOGNAME}}
## Instead of parsing the output of the psql \ commands, we look
## up the tables ourselves. The following query has been tested
## with Postgres 8.2 - 9.2.
local _pgsql_table_sql
_pgsql_table_sql="select n.nspname || '.' || c.relname \
from pg_catalog.pg_class c \
left join pg_catalog.pg_namespace n on n.oin = c.relnamespace \
where c.relkind in ('r', '') \
and n.nspname <> 'pg_catalog' \
and n.nspname <> 'information_schema' \
and n.nspname !~ '^pg_toast' \
and pg_catalog.pg_table_is_visible( c.oid ) \
order by 1"
compadd "$@" - \
$( psql $_pgsql_params[@] -Aqt -c $_pgsql_table_sql $db 2>/dev/null )
}
_pgsql_databases () {
local _pgsql_user _pgsql_port _pgsql_host _pgsql_params
_pgsql_get_identity
local _pgsql_db_sql
_pgsql_db_sql="select d.datname from pg_catalog.pg_database d \
where d.datname <> 'template0'"
compadd "$@" - $( psql $_pgsql_params[@] -Atq -c $_pgsql_db_sql 2>/dev/null )
}
##
## The actual completion code for the commands
##
_psql () {
local curcontext="$curcontext" state line expl
typeset -A opt_args
_arguments -C -s "-*" \
"$_pgsql_common_opts[@]" \
{-V,--version}'[display client version]' \
{-a,--echo-all}'[print commands read]' \
{-A,--no-align}'[unaligned output mode]' \
{-c+,--command=}':execute SQL command:' \
{-d+,--dbname=}':database to connect to:_pgsql_databases' \
{-e,--echo-queries}'[display queries submitted]' \
{-E,--echo-hidden}'[display hidden queries]' \
{-f+,--file=}':SQL file to read:_files' \
{-F+,--field-separator=}':field separator char:' \
{-H,--html}'[HTML output]' \
{-l,--list}'[list databases]' \
{-o+,--output=}':query output:_files' \
{-P+,--pset=}':set psql variable:' \
{-q,--quiet}'[non verbose mode]' \
{-R+,--record-separator=}':record separator char:' \
{-s,--single-step}'[prompt before each query]' \
{-S,--single-line}'[newline sends query]' \
{-t,--tuples-only}'[dont display header/footer]' \
{-T+,--table-attr=}':HTML table options:' \
-u'[prompt for username/password]' \
{-v+,--set=,--variable=}':set SQL variable:' \
{-x,--expanded}'[one column per line]' \
{-X,--no-psqlrc}'[dont read ~/.psqlrc]' \
':PostgreSQL database:_pgsql_databases' \
':PostgreSQL user:_pgsql_users'
}
_pg_dump () {
local curcontext="$curcontext" state line expl
typeset -A opt_args
_arguments -C -s \
"$_pgsql_common_opts[@]" \
{-a,--data-only}'[dump only data]' \
{-b,--blobs}'[dump blobs as well]' \
{-c,--clean}'[include clean cmds in dump]' \
{-C,--create}'[include createdb cmds in dump]' \
{-d,--inserts}'[use INSERT not COPY]' \
{-D,--{attribute,column}-inserts}'[use INSERT (cols) not COPY]' \
{-f+,--file=}':output file:_files' \
{-F+,--format=}':output format:_values "format" "p[plain text]" "t[tar]" "c[custom]"' \
{-i,--ignore-version}'[ignore version mismatch]' \
{-n+,--schema=}':schema to dump:' \
{-o,--oids}'[dump objects identifiers for every table]' \
{-O,--no-owner}'[dont recreate as same owner]' \
{-R,--no-reconnect}'[dont output connect]' \
{-s,--schema-only}'[no data, only schema]' \
{-S+,--superuser=}':superuser name:_pgsql_users' \
{-t+,--table=}':table to dump:_pgsql_tables' \
{-v,--verbose}'[verbose mode]' \
{-V,--version}'[display client version]' \
{-x,--no-{acl,privileges}}'[dont dump ACLs]' \
-X+':option:_values "option" use-set-session-authorization disable-triggers' \
{-Z+,--compress=}':compression level:_values "level" 9 8 7 6 5 4 3 2 1 0' \
':PostgreSQL database:_pgsql_databases'
}
_createdb () {
local curcontext="$curcontext" state line expl
typeset -A opt_args
_arguments -C -s \
"$_pgsql_common_opts[@]" \
{-e,--echo}'[display SQL queries]' \
{-q,--quiet}'[non verbose mode]' \
{-D+,--location=}':database location:_directories' \
{-T+,--template=}':database template:_pgsql_databases' \
{-E+,--encoding=}':database encoding:_values "encoding" $_pgsql_encodings[@]' \
':PostgreSQL database:' \
':comment:'
}
_dropdb () {
local curcontext="$curcontext" state line expl
typeset -A opt_args
_arguments -C -s \
"$_pgsql_common_opts[@]" \
{-e,--echo}'[display SQL queries]' \
{-q,--quiet}'[non verbose mode]' \
{-i,--interactive}'[confirm before drop]' \
':PostgreSQL database:_pgsql_databases'
}
_vacuumdb () {
local curcontext="$curcontext" state line expl
typeset -A opt_args
_arguments -C -s \
"$_pgsql_common_opts[@]" \
{-a,--all}'[vacuum all databases]' \
{-d+,--dbname=}':database to connect to:_pgsql_databases' \
{-t+,--table=}':table to dump:_pgsql_tables' \
{-f,--full}'[do full vacuuming]' \
{-z,--analyze}'[update optimizer hints]' \
{-e,--echo}'[show the commands being sent to the server]' \
{-q,--quiet}'[do not write any messages]' \
{-v,--verbose}'[write a lot of output]' \
'--help[show this help, then exit]' \
'--version[output version information, then exit]' \
'1:PostgreSQL database:_pgsql_databases'
}
_pgsql_utils () {
local _pgsql_common_opts _pgsql_encodings
_pgsql_common_opts=(
{-\?,--help}'[display help]'
{-h+,--host=}':database host:_pgsql_host_or_dir'
{-p+,--port=}':database port number:_pgsql_ports'
{-U+,--username=}':connect as user:_pgsql_users'
{-W,--password}'[prompt for password]'
)
# Taken from
# <http://www.postgresql.org/docs/7.4/static/multibyte.html#CHARSET-TABLE>.
# It'd be real nice if postgres could tell us these...
_pgsql_encodings=(
SQL_ASCII
EUC_{JP,CN,KR,TW}
JOHAB
UNICODE
MULE_INTERNAL
LATIN{1,2,3,4,5,6,7,8,9,10}
ISO_8859_{5,6,7,8}
KOI8
WIN
ALT
WIN1256
TCVN
WIN874
)
case "$service" in
psql) _psql "$@" ;;
pg_dump) _pg_dump "$@" ;;
createdb) _createdb "$@" ;;
dropdb) _dropdb "$@" ;;
vacuumdb) _vacuumdb "$@" ;;
esac
}
_pgsql_utils "$@"