File: create_drop_view.test

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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;
SELECT * FROM v1;

--error ER_TABLE_EXISTS_ERROR
CREATE VIEW v1 AS SELECT * FROM t1 WHERE id>11;
SELECT VIEW_DEFINITION FROM INFORMATION_SCHEMA.VIEWS WHERE TABLE_NAME='v1';

CREATE VIEW IF NOT EXISTS v1 AS SELECT * FROM t1 WHERE id>12;
SELECT VIEW_DEFINITION FROM INFORMATION_SCHEMA.VIEWS WHERE TABLE_NAME='v1';

--error ER_WRONG_USAGE
CREATE OR REPLACE VIEW IF NOT EXISTS v1 AS SELECT * FROM t1 WHERE id>13;
SELECT VIEW_DEFINITION FROM INFORMATION_SCHEMA.VIEWS WHERE TABLE_NAME='v1';

CREATE OR REPLACE VIEW v1 AS SELECT * FROM t1 WHERE id>14;
SELECT VIEW_DEFINITION FROM INFORMATION_SCHEMA.VIEWS WHERE TABLE_NAME='v1';

INSERT INTO t1 VALUES (50), (80), (3), (2), (40);
SELECT * FROM t1;
SELECT * FROM v1;

DROP TABLE IF EXISTS v1;
DROP VIEW IF EXISTS v1;
DROP VIEW IF EXISTS v1;
DROP VIEW IF EXISTS t1;
DROP TABLE t1;