Alter table local option support

Author: djklim87

tests/expected/parser/ms_alter_table_6.serialized

@@ -0,0 +1 @@
+a:2:{s:5:"ALTER";a:3:{s:9:"expr_type";s:5:"table";s:9:"base_expr";s:5:"table";s:8:"sub_tree";a:1:{i:0;a:2:{s:9:"expr_type";s:8:"reserved";s:9:"base_expr";s:5:"table";}}}s:5:"TABLE";a:5:{s:9:"base_expr";s:6:"`dist`";s:4:"name";s:6:"`dist`";s:9:"no_quotes";a:2:{s:5:"delim";b:0;s:5:"parts";a:1:{i:0;s:4:"dist";}}s:10:"create-def";b:0;s:7:"options";a:2:{i:0;a:4:{s:9:"expr_type";s:10:"expression";s:9:"base_expr";s:10:"local='t1'";s:5:"delim";s:1:" ";s:8:"sub_tree";a:3:{i:0;a:2:{s:9:"expr_type";s:8:"reserved";s:9:"base_expr";s:5:"local";}i:1;a:2:{s:9:"expr_type";s:8:"operator";s:9:"base_expr";s:1:"=";}i:2;a:2:{s:9:"expr_type";s:5:"const";s:9:"base_expr";s:4:"'t1'";}}}i:1;a:4:{s:9:"expr_type";s:10:"expression";s:9:"base_expr";s:10:"local='t3'";s:5:"delim";s:1:" ";s:8:"sub_tree";a:3:{i:0;a:2:{s:9:"expr_type";s:8:"reserved";s:9:"base_expr";s:5:"local";}i:1;a:2:{s:9:"expr_type";s:8:"operator";s:9:"base_expr";s:1:"=";}i:2;a:2:{s:9:"expr_type";s:5:"const";s:9:"base_expr";s:4:"'t3'";}}}}}}