Module: Sequel::SchemaCaching

Defined in:
lib/sequel/extensions/schema_caching.rb

Instance Method Summary collapse

Instance Method Details

#dump_schema_cache(file) ⇒ Object

Dump the cached schema to the filename given in Marshal format.


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# File 'lib/sequel/extensions/schema_caching.rb', line 53

def dump_schema_cache(file)
  File.open(file, 'wb'){|f| f.write(Marshal.dump(@schemas))}
  nil
end

#dump_schema_cache?(file) ⇒ Boolean

Dump the cached schema to the filename given unless the file already exists.

Returns:

  • (Boolean)

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# File 'lib/sequel/extensions/schema_caching.rb', line 60

def dump_schema_cache?(file)
  dump_schema_cache(file) unless File.exist?(file)
end

#load_schema_cache(file) ⇒ Object

Replace the schema cache with the data from the given file, which should be in Marshal format.


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# File 'lib/sequel/extensions/schema_caching.rb', line 66

def load_schema_cache(file)
  @schemas = Marshal.load(File.read(file))
  nil
end

#load_schema_cache?(file) ⇒ Boolean

Replace the schema cache with the data from the given file if the file exists.

Returns:

  • (Boolean)

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# File 'lib/sequel/extensions/schema_caching.rb', line 73

def load_schema_cache?(file)
  load_schema_cache(file) if File.exist?(file)
end