Class: Huginn::Generators::FtsIndexesGenerator

Inherits:
Rails::Generators::Base
  • Object
show all
Includes:
SearchableColumns
Defined in:
lib/generators/huginn/fts_indexes/fts_indexes_generator.rb

Overview

Scaffolds a migration that creates the PostgreSQL GIN tsvector indexes (on an IMMUTABLE wrapper around to_tsvector) backing Huginn::Searchable's :full_text strategy for every model that includes Huginn::Searchable.

rails g huginn:fts_indexes                       # all Searchable models
rails g huginn:fts_indexes Person Product        # specific models
rails g huginn:fts_indexes --dictionary english  # pick the dictionary

The migration creates an IMMUTABLE public.f_tsvector(text) wrapper that pins the configured dictionary and the GIN indexes. Point the gem at the wrapper (to_tsvector itself is STABLE and cannot be indexed directly):

Huginn.configure { |c| c.search_strategy = :full_text;
                   c.fts_dictionary = "portuguese";
                   c.fts_function   = "public.f_tsvector" }

Apply the same searchable model/association resolution as the trigram generator, so both index sets cover identical columns.

Instance Method Summary collapse

Instance Method Details

#copy_migration ⇒ Object 



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# File 'lib/generators/huginn/fts_indexes/fts_indexes_generator.rb', line 37

def copy_migration
  @entries = resolve_entries
  @dictionary = options[:dictionary]
  return if @entries.empty?

  migration_template(
    "add_huginn_fts_indexes.rb.tt",
    "db/migrate/add_huginn_fts_indexes.rb"
  )
end