EVOLUTION-MANAGER

Edit File: create_drop_view.result

CREATE TABLE t1(id INT); CREATE VIEW IF NOT EXISTS v1 AS SELECT * FROM t1 WHERE id>10; INSERT INTO t1 VALUES (5), (8), (10), (20), (30); SELECT * FROM t1; id 5 8 10 20 30 SELECT * FROM v1; id 20 30 CREATE VIEW v1 AS SELECT * FROM t1 WHERE id>11; ERROR 42S01: Table 'v1' already exists SELECT VIEW_DEFINITION FROM INFORMATION_SCHEMA.VIEWS WHERE TABLE_NAME='v1'; VIEW_DEFINITION select `test`.`t1`.`id` AS `id` from `test`.`t1` where `test`.`t1`.`id` > 10 CREATE VIEW IF NOT EXISTS v1 AS SELECT * FROM t1 WHERE id>12; Warnings: Note 1050 Table 'v1' already exists SELECT VIEW_DEFINITION FROM INFORMATION_SCHEMA.VIEWS WHERE TABLE_NAME='v1'; VIEW_DEFINITION select `test`.`t1`.`id` AS `id` from `test`.`t1` where `test`.`t1`.`id` > 10 CREATE OR REPLACE VIEW IF NOT EXISTS v1 AS SELECT * FROM t1 WHERE id>13; ERROR HY000: Incorrect usage of OR REPLACE and IF NOT EXISTS SELECT VIEW_DEFINITION FROM INFORMATION_SCHEMA.VIEWS WHERE TABLE_NAME='v1'; VIEW_DEFINITION select `test`.`t1`.`id` AS `id` from `test`.`t1` where `test`.`t1`.`id` > 10 CREATE OR REPLACE VIEW v1 AS SELECT * FROM t1 WHERE id>14; SELECT VIEW_DEFINITION FROM INFORMATION_SCHEMA.VIEWS WHERE TABLE_NAME='v1'; VIEW_DEFINITION select `test`.`t1`.`id` AS `id` from `test`.`t1` where `test`.`t1`.`id` > 14 INSERT INTO t1 VALUES (50), (80), (3), (2), (40); SELECT * FROM t1; id 5 8 10 20 30 50 80 3 2 40 SELECT * FROM v1; id 20 30 50 80 40 DROP VIEW IF EXISTS v1; DROP VIEW IF EXISTS v1; Warnings: Note 4092 Unknown VIEW: 'test.v1' DROP TABLE t1;