add --with-build-string

configure.ac

@@ -257,6 +257,22 @@ AC_ARG_WITH(histogram-size,
 )
 dnl }}}
 
+dnl {{{ --with-build-string
+AC_ARG_WITH(build-string,
+  [AS_HELP_STRING([--with-build-string],[set custom build information here])
+  ],
+  [
+   dq="\""
+   ws=" "
+   if test "${with_build_string#*$ws}" != "$with_build_string" || test "${with_build_string#*$dq}" != "$with_build_string"; then
+     AC_MSG_ERROR([Build string cannot contain whitespaces or double quotes])
+   fi
+   AC_DEFINE_UNQUOTED([PINBA_BUILD_STRING], "$with_build_string", [custom build string])
+  ],
+  [ ]
+)
+dnl }}}
+
 AC_SUBST(INSTALL_STRIP_FLAG)
 
 AC_SUBST(DEPS_LIBS)

default_tables.sql

@@ -520,5 +520,6 @@ CREATE TABLE `status` (
 	  `current_timer_pool_size` int(11) NOT NULL,
 	  `lost_tmp_records` int(11) NOT NULL,
 	  `invalid_packets` int(11) NOT NULL,
-	  `invalid_request_data` int(11) NOT NULL
+	  `invalid_request_data` int(11) NOT NULL,
+	  `build_string` varchar(256) DEFAULT NULL
 ) ENGINE=PINBA DEFAULT CHARSET=latin1 COMMENT='status';

src/ha_pinba.cc

@@ -5665,6 +5665,12 @@ inline int ha_pinba::status_fetch_row(unsigned char *buf) /* {{{ */
 					(*field)->store((long)D->stats.invalid_request_data);
 					pthread_rwlock_unlock(&D->stats_lock);
 					break;
+				case 5: /* build string */
+#ifdef PINBA_ENGINE_PINBA_BUILD_STRING
+					(*field)->set_notnull();
+					(*field)->store((const char *)PINBA_ENGINE_PINBA_BUILD_STRING, strlen((char *)PINBA_ENGINE_PINBA_BUILD_STRING), &my_charset_bin);
+#endif
+					break;
 			}
 		}
 	}