Class: DataDrain::Storage::Local

Inherits:
Base
  • Object
show all
Defined in:
lib/data_drain/storage/local.rb

Overview

Implementación del adaptador de almacenamiento para el disco local.

Instance Attribute Summary

Attributes inherited from Base

#config

Instance Method Summary collapse

Methods inherited from Base

#initialize

Constructor Details

This class inherits a constructor from DataDrain::Storage::Base

Instance Method Details

#build_path(bucket, folder_name, partition_path) ⇒ String

Parameters:

  • bucket (String)
  • folder_name (String)
  • partition_path (String, nil)

Returns:

  • (String) 


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# File 'lib/data_drain/storage/local.rb', line 26

def build_path(bucket, folder_name, partition_path)
  base = File.join(bucket, folder_name)
  base = File.join(base, partition_path) if partition_path && !partition_path.empty?
  "#{base}/**/*.parquet"
end

#destroy_partitions(bucket, folder_name, partition_keys, partitions) ⇒ Integer

Parameters:

  • bucket (String)
  • folder_name (String)
  • partition_keys (Array<Symbol>)
  • partitions (Hash)

Returns:

  • (Integer) 


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# File 'lib/data_drain/storage/local.rb', line 37

def destroy_partitions(bucket, folder_name, partition_keys, partitions)
  path_parts = partition_keys.map do |key|
    val = partitions[key]
    val.nil? || val.to_s.empty? ? "#{key}=*" : "#{key}=#{val}"
  end

  pattern = File.join(bucket, folder_name, path_parts.join("/"))
  folders_to_delete = Dir.glob(pattern)

  return 0 if folders_to_delete.empty?

  folders_to_delete.each { |folder| FileUtils.rm_rf(folder) }
  folders_to_delete.size
end

#prepare_export_path(bucket, folder_name) ⇒ Object

Crea la jerarquía de carpetas en el disco si no existe.

Parameters:

  • bucket (String)
  • folder_name (String) 


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# File 'lib/data_drain/storage/local.rb', line 18

def prepare_export_path(bucket, folder_name)
  FileUtils.mkdir_p(File.join(bucket, folder_name))
end

#setup_duckdb(connection) ⇒ Object

(DuckDB ya soporta archivos locales de forma nativa, no requiere extensiones extras)

Parameters:

  • connection (DuckDB::Connection) 


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# File 'lib/data_drain/storage/local.rb', line 11

def setup_duckdb(connection)
  # No-op
end