struct BushDB::DB

• BushDB::DB
• Struct
• Value
• Object

Overview

A structure for database management - Set, get, has, update, delete, clear and napalm.

Example:

require "bushdb"

db = BushDB::DB.new
db.set("key name", "Some text")
db.get("key name") # => "Some text"
db.has("key name") # => true
db.delete("key name")
db.clear
db.napalm

Defined in:

Constructors

• .new

Instance Method Summary

• #branch_mode : Int32

  Directory permissions.

• #branch_mode=(branch_mode : Int32)

  Directory permissions.

• #clear : Nil

  Remove directory of database.

• #db_name : String

  Database name.

• #db_name=(db_name : String)

  Database name.

• #delete(key : String) : Nil

  Delete the key-value from the database.

• #get(key : String) : String | Nil

  Get the value by key from the database.

• #has?(key : String) : Bool

  Check the presence of a key in the database.

• #initialize
• #leaf_mode : File::Permissions

  File permissions.

• #leaf_mode=(leaf_mode : File::Permissions)

  File permissions.

• #napalm : Nil

  Delete the root directory.

• #root_store : Path

  Root directory for databases.

• #root_store=(root_store : Path)

  Root directory for databases.

• #set(key : String, value : String) : Nil

  Add or update key-value pair(s) to the database.

Constructor Detail

Instance Method Detail

require "bushdb"

db = BushDB::DB.new
db.clear
db.clear # => DirMissing

require "bushdb"

db = BushDB::DB.new
db.set("key name", "Some text")
db.delete("key name")
db.get("key name")    # => nil
db.delete("key name") # => KeyMissing

require "bushdb"

db = BushDB::DB.new
db.set("key name", "Some text")
db.get("key name")    # => "Some text"
db.get("key missing") # => nil

require "bushdb"

db = BushDB::DB.new
db.set("key name", "Some text")
db.has?("key name")    # => true
db.has?("key missing") # => false

require "bushdb"

db = BushDB::DB.new
db.napalm
db.napalm # => DirMissing

require "bushdb"

db = BushDB::DB.new
db.set("key name", "Some text")