Add support for INSERT IGNORE from SELECT in MySQL Mode

h2/src/test/org/h2/test/scripts/dml/insertIgnore.sql

--- Copyright 2004-2018 H2 Group. Multiple-Licensed under the MPL 2.0,
--- and the EPL 1.0 (http://h2database.com/html/license.html).
--- Initial Developer: H2 Group
---
-
-SET MODE MySQL;
-> ok
-
-CREATE TABLE TEST(ID BIGINT PRIMARY KEY, VALUE INT NOT NULL);
-> ok
-
-INSERT INTO TEST VALUES (1, 10), (2, 20), (3, 30), (4, 40);
-> update count: 4
-
-INSERT INTO TEST VALUES (3, 31), (5, 51);
-> exception DUPLICATE_KEY_1
-
-SELECT * FROM TEST ORDER BY ID;
-> ID VALUE
-> -- -----
-> 1  10
-> 2  20
-> 3  30
-> 4  40
-> rows (ordered): 4
-
-INSERT IGNORE INTO TEST VALUES (3, 32), (5, 52);
-> update count: 1
-
-INSERT IGNORE INTO TEST VALUES (4, 43);
-> ok
-
-SELECT * FROM TEST ORDER BY ID;
-> ID VALUE
-> -- -----
-> 1  10
-> 2  20
-> 3  30
-> 4  40
-> 5  52
-> rows (ordered): 5
+-- Copyright 2004-2018 H2 Group. Multiple-Licensed under the MPL 2.0,
+-- and the EPL 1.0 (http://h2database.com/html/license.html).
+-- Initial Developer: H2 Group
+--
+
+SET MODE MySQL;
+> ok
+
+CREATE TABLE TEST(ID BIGINT PRIMARY KEY, VALUE INT NOT NULL);
+> ok
+
+INSERT INTO TEST VALUES (1, 10), (2, 20), (3, 30), (4, 40);
+> update count: 4
+
+INSERT INTO TEST VALUES (3, 31), (5, 51);
+> exception DUPLICATE_KEY_1
+
+SELECT * FROM TEST ORDER BY ID;
+> ID VALUE
+> -- -----
+> 1  10
+> 2  20
+> 3  30
+> 4  40
+> rows (ordered): 4
+
+INSERT IGNORE INTO TEST VALUES (3, 32), (5, 52);
+> update count: 1
+
+INSERT IGNORE INTO TEST VALUES (4, 43);
+> ok
+
+SELECT * FROM TEST ORDER BY ID;
+> ID VALUE
+> -- -----
+> 1  10
+> 2  20
+> 3  30
+> 4  40
+> 5  52
+> rows (ordered): 5
+
+CREATE TABLE TESTREF(ID BIGINT PRIMARY KEY, VALUE INT NOT NULL);
+> ok
+
+INSERT INTO TESTREF VALUES (1, 11), (2, 21), (6, 61), (7, 71);
+> update count: 4
+
+INSERT INTO TEST (ID, VALUE) SELECT ID, VALUE FROM TESTREF;
+> exception DUPLICATE_KEY_1
+
+SELECT * FROM TEST ORDER BY ID;
+> ID VALUE
+> -- -----
+> 1  10
+> 2  20
+> 3  30
+> 4  40
+> 5  52
+> rows (ordered): 5
+
+INSERT IGNORE INTO TEST (ID, VALUE) SELECT ID, VALUE FROM TESTREF;
+> update count: 2
+
+INSERT IGNORE INTO TEST (ID, VALUE) SELECT ID, VALUE FROM TESTREF;
+> ok
+
+SELECT * FROM TEST ORDER BY ID;
+> ID VALUE
+> -- -----
+> 1  10
+> 2  20
+> 3  30
+> 4  40
+> 5  52
+> 6  61
+> 7  71
+> rows (ordered): 7