Module: DynamicMigrations::Postgres::Server::Database::EnumsLoader

Included in:
DynamicMigrations::Postgres::Server::Database
Defined in:
lib/dynamic_migrations/postgres/server/database/enums_loader.rb

Instance Method Summary collapse

Instance Method Details

#fetch_enumsObject



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# File 'lib/dynamic_migrations/postgres/server/database/enums_loader.rb', line 8

def fetch_enums
  rows = connection.exec("    SELECT\n      n.nspname AS schema_name,\n      t.typname AS enum_name,\n      e.enumlabel AS enum_value,\n      obj_description(e.enumtypid, 'pg_type') as enum_description\n    FROM pg_type t\n      JOIN pg_enum e ON t.oid = e.enumtypid\n      JOIN pg_catalog.pg_namespace n ON n.oid = t.typnamespace\n      ORDER BY enumsortorder\n  SQL\n\n  schemas = {}\n  rows.each do |row|\n    schema_name = row[\"schema_name\"].to_sym\n    enum_name = row[\"enum_name\"].to_sym\n    enum_value = row[\"enum_value\"]\n\n    schema = schemas[schema_name] ||= {}\n    enum = schema[enum_name] ||= {\n      values: [],\n      description: row[\"enum_description\"]\n    }\n    enum[:values] << enum_value\n  end\n  schemas\nend\n")