Merge branch 'master' into python_wrapper

Author: funbringer

readme.txt

@@ -99,7 +99,8 @@ successfully and some failed.
 Currently cmd_log can be seen and commands issued only on the shardlord, but
 that's easy to change.
 
-Let's get to the actual commands.
+Let's get to the actual commands, which are implemented as functions in
+the extension's schema.
 
 add_node(connstring text)
 Add node with given libpq connstring to the cluster. Node is assigned unique

shard.sql

@@ -806,7 +806,7 @@ CREATE FUNCTION remove_sync_standby_c(standby text) RETURNS text
 
 CREATE FUNCTION set_sync_standbys(standby text) RETURNS void AS $$
 BEGIN
-	PERFORM pg_reload_conf();
 	PERFORM shardman.alter_system_c('synchronous_standby_names', standby);
+	PERFORM pg_reload_conf();
 	RAISE DEBUG '[SHMN] sync_standbys set to %', standby;
 END $$ LANGUAGE plpgsql STRICT;

src/udf.c

@@ -107,6 +107,7 @@ gen_create_table_sql(PG_FUNCTION_ARGS)
 		   SPI_getvalue(SPI_tuptable->vals[0], SPI_tuptable->tupdesc, 1));
 	SPI_finish();
 	join_path_components(pg_dump_path, pg_dump_path, "pg_dump");
+	canonicalize_path(pg_dump_path);
 
 	cmd = psprintf("%s -t '%s' --schema-only --dbname='%s' 2>&1",
 				   pg_dump_path, relation, connstring);