Prepared statements everywhere
This commit is contained in:
parent
76e16ca803
commit
f2ee8aa6e8
@ -88,57 +88,52 @@ class Handler
|
||||
|
||||
year = year.to_i?
|
||||
|
||||
datos = [] of Tuple(Int32, String)
|
||||
DB.open(DB_URL) do |cursor|
|
||||
if prefijo.nil? && year.nil?
|
||||
# Global totals
|
||||
sql = %(
|
||||
result_set = cursor.query("
|
||||
SELECT total::integer, nombre
|
||||
FROM totales
|
||||
ORDER BY total DESC
|
||||
LIMIT 50
|
||||
)
|
||||
LIMIT 50")
|
||||
elsif prefijo.nil? && !year.nil?
|
||||
# Per-year totals
|
||||
sql = %(
|
||||
result_set = cursor.query("
|
||||
SELECT contador::integer, nombre
|
||||
FROM nombres
|
||||
WHERE
|
||||
anio = '#{year}'
|
||||
anio = $1
|
||||
ORDER BY contador DESC
|
||||
LIMIT 50
|
||||
)
|
||||
LIMIT 50", year)
|
||||
elsif !prefijo.nil? && year.nil?
|
||||
# Filter only by prefix
|
||||
sql = %(
|
||||
SELECT total, nombre
|
||||
result_set = cursor.query("
|
||||
SELECT total::integer, nombre
|
||||
FROM totales
|
||||
WHERE
|
||||
nombre LIKE '#{prefijo}%'
|
||||
nombre LIKE $1
|
||||
ORDER BY total DESC
|
||||
LIMIT 50
|
||||
)
|
||||
else
|
||||
LIMIT 50", prefijo + "%")
|
||||
elsif !prefijo.nil? && !year.nil?
|
||||
# We have both
|
||||
sql = %(
|
||||
SELECT contador, nombre
|
||||
result_set = cursor.query("
|
||||
SELECT contador::integer, nombre
|
||||
FROM nombres
|
||||
WHERE
|
||||
anio = '#{year}' AND
|
||||
nombre LIKE '#{prefijo}%'
|
||||
anio = $1 AND
|
||||
nombre LIKE $2
|
||||
ORDER BY contador DESC
|
||||
LIMIT 50
|
||||
)
|
||||
LIMIT 50", year, prefijo + "%")
|
||||
end
|
||||
|
||||
puts "QUERY: #{sql}"
|
||||
|
||||
datos = [] of Tuple(Int32, String)
|
||||
DB.open(DB_URL) do |cursor|
|
||||
cursor.query sql do |result_set|
|
||||
if !result_set.nil?
|
||||
result_set.each do
|
||||
valor = result_set.read(Int32)
|
||||
nombre = result_set.read(String)
|
||||
datos.push({valor, nombre})
|
||||
end
|
||||
result_set.close
|
||||
end
|
||||
end
|
||||
|
||||
|
@ -9,6 +9,8 @@ require "pg"
|
||||
|
||||
USER = File.read("/var/openfaas/secrets/nombres-user").strip
|
||||
PASS = File.read("/var/openfaas/secrets/nombres-pass").strip
|
||||
DB_URL = "postgres://#{USER}:#{PASS}@10.61.0.1:5432/nombres"
|
||||
|
||||
|
||||
class Handler
|
||||
def format_buffer(buffer, canvas_name, title = "")
|
||||
@ -41,14 +43,14 @@ class Handler
|
||||
html.gsub("gnuplot_canvas", canvas_name)
|
||||
end
|
||||
|
||||
def query(sql)
|
||||
def query(sql, nombre)
|
||||
# Runs a SQL query against the database.
|
||||
#
|
||||
# Returns an array of values [[Year,Count]...]
|
||||
# Or nil if there are no results
|
||||
|
||||
DB.open("postgres://#{USER}:#{PASS}@10.61.0.1:5432/nombres") do |cursor|
|
||||
cursor.query sql do |result_set|
|
||||
DB.open(DB_URL) do |cursor|
|
||||
cursor.query(sql, nombre) do |result_set|
|
||||
result = [] of Tuple(Int32, Int32)
|
||||
result_set.each do
|
||||
year = result_set.read(Int32)
|
||||
@ -96,10 +98,9 @@ class Handler
|
||||
show_key(true)
|
||||
xrange(1922..2015)
|
||||
nombres.map { |nombre|
|
||||
sql = "SELECT anio::integer, contador::integer FROM nombres WHERE nombre = '#{nombre}' ORDER BY anio"
|
||||
x = Array(Int32).new
|
||||
y = Array(Int32).new
|
||||
results = query(sql)
|
||||
results = query("SELECT anio::integer, contador::integer FROM nombres WHERE nombre = $1 ORDER BY anio", nombre)
|
||||
if results.nil? # No results, all 0s
|
||||
x = (1922..2015).to_a
|
||||
y = x.map { |_| 0 }
|
||||
|
Loading…
Reference in New Issue
Block a user