* * @final */ class PgSqlCaster { private const PARAM_CODES = [ 'server_encoding', 'client_encoding', 'is_superuser', 'session_authorization', 'DateStyle', 'TimeZone', 'IntervalStyle', 'integer_datetimes', 'application_name', 'standard_conforming_strings', ]; private const TRANSACTION_STATUS = [ \PGSQL_TRANSACTION_IDLE => 'PGSQL_TRANSACTION_IDLE', \PGSQL_TRANSACTION_ACTIVE => 'PGSQL_TRANSACTION_ACTIVE', \PGSQL_TRANSACTION_INTRANS => 'PGSQL_TRANSACTION_INTRANS', \PGSQL_TRANSACTION_INERROR => 'PGSQL_TRANSACTION_INERROR', \PGSQL_TRANSACTION_UNKNOWN => 'PGSQL_TRANSACTION_UNKNOWN', ]; private const RESULT_STATUS = [ \PGSQL_EMPTY_QUERY => 'PGSQL_EMPTY_QUERY', \PGSQL_COMMAND_OK => 'PGSQL_COMMAND_OK', \PGSQL_TUPLES_OK => 'PGSQL_TUPLES_OK', \PGSQL_COPY_OUT => 'PGSQL_COPY_OUT', \PGSQL_COPY_IN => 'PGSQL_COPY_IN', \PGSQL_BAD_RESPONSE => 'PGSQL_BAD_RESPONSE', \PGSQL_NONFATAL_ERROR => 'PGSQL_NONFATAL_ERROR', \PGSQL_FATAL_ERROR => 'PGSQL_FATAL_ERROR', ]; private const DIAG_CODES = [ 'severity' => \PGSQL_DIAG_SEVERITY, 'sqlstate' => \PGSQL_DIAG_SQLSTATE, 'message' => \PGSQL_DIAG_MESSAGE_PRIMARY, 'detail' => \PGSQL_DIAG_MESSAGE_DETAIL, 'hint' => \PGSQL_DIAG_MESSAGE_HINT, 'statement position' => \PGSQL_DIAG_STATEMENT_POSITION, 'internal position' => \PGSQL_DIAG_INTERNAL_POSITION, 'internal query' => \PGSQL_DIAG_INTERNAL_QUERY, 'context' => \PGSQL_DIAG_CONTEXT, 'file' => \PGSQL_DIAG_SOURCE_FILE, 'line' => \PGSQL_DIAG_SOURCE_LINE, 'function' => \PGSQL_DIAG_SOURCE_FUNCTION, ]; public static function castLargeObject($lo, array $a, Stub $stub, bool $isNested) { $a['seek position'] = pg_lo_tell($lo); return $a; } public static function castLink($link, array $a, Stub $stub, bool $isNested) { $a['status'] = pg_connection_status($link); $a['status'] = new ConstStub(\PGSQL_CONNECTION_OK === $a['status'] ? 'PGSQL_CONNECTION_OK' : 'PGSQL_CONNECTION_BAD', $a['status']); $a['busy'] = pg_connection_busy($link); $a['transaction'] = pg_transaction_status($link); if (isset(self::TRANSACTION_STATUS[$a['transaction']])) { $a['transaction'] = new ConstStub(self::TRANSACTION_STATUS[$a['transaction']], $a['transaction']); } $a['pid'] = pg_get_pid($link); $a['last error'] = pg_last_error($link); $a['last notice'] = pg_last_notice($link); $a['host'] = pg_host($link); $a['port'] = pg_port($link); $a['dbname'] = pg_dbname($link); $a['options'] = pg_options($link); $a['version'] = pg_version($link); foreach (self::PARAM_CODES as $v) { if (false !== $s = pg_parameter_status($link, $v)) { $a['param'][$v] = $s; } } $a['param']['client_encoding'] = pg_client_encoding($link); $a['param'] = new EnumStub($a['param']); return $a; } public static function castResult($result, array $a, Stub $stub, bool $isNested) { $a['num rows'] = pg_num_rows($result); $a['status'] = pg_result_status($result); if (isset(self::RESULT_STATUS[$a['status']])) { $a['status'] = new ConstStub(self::RESULT_STATUS[$a['status']], $a['status']); } $a['command-completion tag'] = pg_result_status($result, \PGSQL_STATUS_STRING); if (-1 === $a['num rows']) { foreach (self::DIAG_CODES as $k => $v) { $a['error'][$k] = pg_result_error_field($result, $v); } } $a['affected rows'] = pg_affected_rows($result); $a['last OID'] = pg_last_oid($result); $fields = pg_num_fields($result); for ($i = 0; $i < $fields; ++$i) { $field = [ 'name' => pg_field_name($result, $i), 'table' => sprintf('%s (OID: %s)', pg_field_table($result, $i), pg_field_table($result, $i, true)), 'type' => sprintf('%s (OID: %s)', pg_field_type($result, $i), pg_field_type_oid($result, $i)), 'nullable' => (bool) pg_field_is_null($result, $i), 'storage' => pg_field_size($result, $i).' bytes', 'display' => pg_field_prtlen($result, $i).' chars', ]; if (' (OID: )' === $field['table']) { $field['table'] = null; } if ('-1 bytes' === $field['storage']) { $field['storage'] = 'variable size'; } elseif ('1 bytes' === $field['storage']) { $field['storage'] = '1 byte'; } if ('1 chars' === $field['display']) { $field['display'] = '1 char'; } $a['fields'][] = new EnumStub($field); } return $a; } }