Class: Baza::Driver::Mysql::Tables

Inherits:
Tables
  • Object
show all
Defined in:
lib/baza/driver/mysql/tables.rb

Overview

This class handels various MySQL-table-specific behaviour.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(db:, **args) ⇒ Tables

Constructor. This should not be called manually.



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# File 'lib/baza/driver/mysql/tables.rb', line 8

def initialize(db:, **args)
  @args = args
  @db = db
  @list_mutex = Monitor.new
  @list = Wref::Map.new
  @list_should_be_reloaded = true
end

Instance Attribute Details

#db ⇒ Object (readonly)

Returns the value of attribute db.



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# File 'lib/baza/driver/mysql/tables.rb', line 5

def db
  @db
end

#list(database: nil, name: nil) ⇒ Object (readonly)

Yields the tables of the current database.



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# File 'lib/baza/driver/mysql/tables.rb', line 49

def list
  @list
end

Instance Method Details

#[](table_name) ⇒ Object

Returns a table by the given table-name.

Raises:



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# File 'lib/baza/driver/mysql/tables.rb', line 35

def [](table_name)
  table_name = table_name.to_s
  table = @list[table_name]

  return table if table

  list(name: table_name) do |table_i|
    return table_i if table_i.name == table_name
  end

  raise Baza::Errors::TableNotFound, "Table was not found: '#{table_name}'"
end

#clean ⇒ Object

Cleans the wref-map.



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# File 'lib/baza/driver/mysql/tables.rb', line 17

def clean
  @list.clean
end

#create(name, **opts) ⇒ Object 



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# File 'lib/baza/driver/mysql/tables.rb', line 90

def create(name, **opts)
  @db.current_database.create_table(name, **opts)
end

#exists?(table_name) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/baza/driver/mysql/tables.rb', line 21

def exists?(table_name)
  table_name = table_name.to_s
  table = @list[table_name]

  return true if table

  list(name: table_name) do
    return true
  end

  false
end