method
add_pg_decoders
v5.1.7 -
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Class: ActiveRecord::ConnectionAdapters::PostgreSQLAdapter
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add_pg_decoders()
private
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# File activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb, line 826 def add_pg_decoders coders_by_name = { "int2" => PG::TextDecoder::Integer, "int4" => PG::TextDecoder::Integer, "int8" => PG::TextDecoder::Integer, "oid" => PG::TextDecoder::Integer, "float4" => PG::TextDecoder::Float, "float8" => PG::TextDecoder::Float, "bool" => PG::TextDecoder::Boolean, } known_coder_types = coders_by_name.keys.map { |n| quote(n) } query = SELECT t.oid, t.typname FROM pg_type as t WHERE t.typname IN (%s) % known_coder_types.join(", ") coders = execute_and_clear(query, "SCHEMA", []) do |result| result .map { |row| construct_coder(row, coders_by_name[row["typname"]]) } .compact end map = PG::TypeMapByOid.new coders.each { |coder| map.add_coder(coder) } @connection.type_map_for_results = map end