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shard.yml |
crystal-sqlite3 ![Build Status](https://travis-ci.org/manastech/crystal-sqlite3.svg?branch=master)
SQLite3 bindings for Crystal.
This is a work in progress.
shard.yml
dependencies:
sqlite3:
github: manastech/crystal-sqlite3
Usage
require "db"
require "sqlite3"
DB.open "sqlite3://./data.db" do |db|
db.exec "create table contacts (name string, age integer)"
db.exec "insert into contacts values (?, ?)", "John Doe", 30
args = [] of DB::Any
args << "Sarah"
args << 33
db.exec "insert into contacts values (?, ?)", args
puts "max age:"
puts db.scalar "select max(age) from contacts" # => 33
puts "contacts:"
db.query "select name, age from contacts order by age desc" do |rs|
puts "#{rs.column_name(0)} (#{rs.column_name(1)})"
# => name (age)
rs.each do
puts "#{rs.read(String)} (#{rs.read(Int32)})"
# => Sarah (33)
# => John Doe (30)
end
end
end