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funcoeszz/zz/zzpgsql.sh
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# ---------------------------------------------------------------------------- | |
# Lista os comandos SQL no PostgreSQL, numerando-os. | |
# Pesquisa detalhe dos comando, ao fornecer o número na listagem a esquerda. | |
# E filtra a busca se fornecer um texto. | |
# | |
# Uso: zzpgsql [ código | filtro ] | |
# Ex.: zzpgsql # Lista os comandos disponíveis | |
# zzpgsql 20 # Consulta o comando ALTER SCHEMA | |
# zzpgsql alter # Filtra os comandos que possuam alter na declaração | |
# | |
# Autor: Itamar <itamarnet (a) yahoo com br> | |
# Desde: 2013-05-11 | |
# Versão: 4 | |
# Requisitos: zzzz zztool zzjuntalinhas zzsqueeze zztrim zzxml | |
# Tags: internet, consulta | |
# ---------------------------------------------------------------------------- | |
zzpgsql () | |
{ | |
zzzz -h pgsql "$1" && return | |
local url='http://www.postgresql.org/docs/current/static' | |
local cache=$(zztool cache pgsql) | |
local comando | |
if ! test -s "$cache" | |
then | |
zztool source "${url}/sql-commands.html" | | |
awk '/<dt>/,/<\/dt>/' | | |
zzjuntalinhas -i '<dt>' -f '</dt>' | | |
zzsqueeze | | |
zztrim | | |
awk '{sub(/.*sql-/,"sql-");sub(/">/,":");print ++i ":" $0}' | | |
zzxml --untag > $cache | |
fi | |
if test -n "$1" | |
then | |
if zztool testa_numero $1 | |
then | |
comando=$(sed -n "/^ *${1}:/{s///;s/:.*//;p;}" $cache) | |
texto=$(sed -n "/^ *${1}:/{s/.*://;s/ . .*//;p;}" $cache) | |
zztool dump "${url}/${comando}" | | |
awk ' | |
$0 ~ /^$/ { branco++; if (branco == 3) { print "----------"; branco = 0 } } | |
$0 !~ /^$/ { for (i=1;i<=branco;i++) { print "" }; print ; branco = 0 } | |
' | | |
sed -n '/^ *[_-][_-][_-][_-]*$/,/^ *[_-][_-][_-][_-]*$/p' | | |
sed "1,/${texto}/{/${texto}/!d};$d;" | | |
zztrim -V | | |
sed ' | |
s/ */ / | |
/^ *[_-][_-][_-][_-]*$/d | |
/.*Prev \{1,\} Up \{1,\}Next/,$d | |
' | |
else | |
grep -i $1 $cache | awk -F: '{printf "%3s %s\n", $1, $3}' | |
fi | |
else | |
awk -F: '{printf "%3s %s\n", $1, $3}' "$cache" | |
fi | |
} |