odpicr

ODPI-C wrapper

Fork from crystal-odpi library.

Installation

ODPI-C (Linux)

# Install Unix ODBC
sudo apt install unixodbc-dev

# Install Libaio
sudo apt install libaio1

# Download latest release
https://github.com/oracle/odpi/releases

# Unzip file
tar -xvf v5.0.1.tar.gz

# Change to folder v5.0.1
cd v5.0.1

# Make and Install
sudo make
sudo make install

# Activate default path /usr/local/lib
ldconfig

1. Add the dependency to your shard.yml:

   dependencies:
     db:
       github: crystal-lang/crystal-db
     odpicr:
       github: xtokio/odpicr

2. Run shards install

Usage

require "odpicr"

DB.open "odpi://user:password@host:port/SID" do |db|
  db.exec "BEGIN EXECUTE IMMEDIATE 'drop table person'; EXCEPTION WHEN OTHERS THEN NULL; END;"
  db.exec "create table person (name varchar(30), age int)"
  db.exec "insert into person (name,age) values ('Paolino Paperino', 28)"

  puts "max age:"
  puts db.scalar "select max(age) from person"

  puts "person:"
  db.query "select name, age from person order by age desc" do |res|
    puts "#{res.column_name(0)} (#{res.column_name(1)})"
    res.each do
      puts "#{res.read} (#{res.read})"
    end
  end
end

Contributing

1. Fork it (https://github.com/xtokio/odpicr/fork)
2. Create your feature branch (git checkout -b my-new-feature)
3. Commit your changes (git commit -am 'Add some feature')
4. Push to the branch (git push origin my-new-feature)
5. Create a new Pull Request

Contributors

• xtokio - creator and maintainer