| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| LOAD 'age'; |
| SET search_path TO ag_catalog; |
| -- basic comparisons |
| SELECT '0'::graphid = '0'::graphid, '0'::graphid = '1'::graphid; |
| ?column? | ?column? |
| ----------+---------- |
| t | f |
| (1 row) |
| |
| SELECT '0'::graphid <> '0'::graphid, '0'::graphid <> '1'::graphid; |
| ?column? | ?column? |
| ----------+---------- |
| f | t |
| (1 row) |
| |
| SELECT '0'::graphid < '1'::graphid, |
| '0'::graphid < '0'::graphid, |
| '1'::graphid < '0'::graphid; |
| ?column? | ?column? | ?column? |
| ----------+----------+---------- |
| t | f | f |
| (1 row) |
| |
| SELECT '0'::graphid > '1'::graphid, |
| '0'::graphid > '0'::graphid, |
| '1'::graphid > '0'::graphid; |
| ?column? | ?column? | ?column? |
| ----------+----------+---------- |
| f | f | t |
| (1 row) |
| |
| SELECT '0'::graphid <= '1'::graphid, |
| '0'::graphid <= '0'::graphid, |
| '1'::graphid <= '0'::graphid; |
| ?column? | ?column? | ?column? |
| ----------+----------+---------- |
| t | t | f |
| (1 row) |
| |
| SELECT '0'::graphid >= '1'::graphid, |
| '0'::graphid >= '0'::graphid, |
| '1'::graphid >= '0'::graphid; |
| ?column? | ?column? | ?column? |
| ----------+----------+---------- |
| f | t | t |
| (1 row) |
| |
| -- b-tree index |
| CREATE TABLE graphid_table (gid graphid); |
| INSERT INTO graphid_table VALUES ('0'), ('1'), ('2'); |
| CREATE INDEX ON graphid_table (gid); |
| SET enable_seqscan = OFF; |
| EXPLAIN (COSTS FALSE) SELECT * FROM graphid_table WHERE gid = '1'; |
| QUERY PLAN |
| -------------------------------------------------------------- |
| Index Only Scan using graphid_table_gid_idx on graphid_table |
| Index Cond: (gid = '1'::graphid) |
| (2 rows) |
| |
| EXPLAIN (COSTS FALSE) SELECT * FROM graphid_table WHERE gid > '0'; |
| QUERY PLAN |
| -------------------------------------------------------------- |
| Index Only Scan using graphid_table_gid_idx on graphid_table |
| Index Cond: (gid > '0'::graphid) |
| (2 rows) |
| |
| SET enable_seqscan = ON; |
| DROP TABLE graphid_table; |