[sql] Import reference version of SQLite 3.17..

third_party/sqlite/sqlite-src-3170000/test/trigger3.test

+# The author disclaims copyright to this source code.  In place of
+# a legal notice, here is a blessing:
+#
+#    May you do good and not evil.
+#    May you find forgiveness for yourself and forgive others.
+#    May you share freely, never taking more than you give.
+#
+#***********************************************************************
+#
+# This file tests the RAISE() function.
+#
+
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+ifcapable {!trigger} {
+  finish_test
+  return
+}
+
+# The tests in this file were written before SQLite supported recursive }
+# trigger invocation, and some tests depend on that to pass. So disable
+# recursive triggers for this file.
+catchsql { pragma recursive_triggers = off } 
+
+# Test that we can cause ROLLBACK, FAIL and ABORT correctly
+#
+catchsql { CREATE TABLE tbl(a, b ,c) }
+execsql {
+    CREATE TRIGGER before_tbl_insert BEFORE INSERT ON tbl BEGIN SELECT CASE 
+        WHEN (new.a = 4) THEN RAISE(IGNORE) END;
+    END;
+
+    CREATE TRIGGER after_tbl_insert AFTER INSERT ON tbl BEGIN SELECT CASE 
+        WHEN (new.a = 1) THEN RAISE(ABORT,    'Trigger abort') 
+        WHEN (new.a = 2) THEN RAISE(FAIL,     'Trigger fail') 
+        WHEN (new.a = 3) THEN RAISE(ROLLBACK, 'Trigger rollback') END;
+    END;
+}
+# ABORT
+do_test trigger3-1.1 {
+    catchsql {
+        BEGIN;
+        INSERT INTO tbl VALUES (5, 5, 6);
+        INSERT INTO tbl VALUES (1, 5, 6);
+    }
+} {1 {Trigger abort}}
+verify_ex_errcode trigger3-1.1b SQLITE_CONSTRAINT_TRIGGER
+do_test trigger3-1.2 {
+    execsql {
+        SELECT * FROM tbl;
+        ROLLBACK;
+    }
+} {5 5 6}
+do_test trigger3-1.3 {
+    execsql {SELECT * FROM tbl}
+} {}
+
+# FAIL
+do_test trigger3-2.1 {
+    catchsql {
+        BEGIN;
+        INSERT INTO tbl VALUES (5, 5, 6);
+        INSERT INTO tbl VALUES (2, 5, 6);
+    }
+} {1 {Trigger fail}}
+verify_ex_errcode trigger3-2.1b SQLITE_CONSTRAINT_TRIGGER
+do_test trigger3-2.2 {
+    execsql {
+        SELECT * FROM tbl;
+        ROLLBACK;
+    }
+} {5 5 6 2 5 6}
+# ROLLBACK
+do_test trigger3-3.1 {
+    catchsql {
+        BEGIN;
+        INSERT INTO tbl VALUES (5, 5, 6);
+        INSERT INTO tbl VALUES (3, 5, 6);
+    }
+} {1 {Trigger rollback}}
+verify_ex_errcode trigger3-3.1b SQLITE_CONSTRAINT_TRIGGER
+do_test trigger3-3.2 {
+    execsql {
+        SELECT * FROM tbl;
+    }
+} {}
+
+# Verify that a ROLLBACK trigger works like a FAIL trigger if
+# we are not within a transaction.  Ticket #3035.
+#
+do_test trigger3-3.3 {
+    catchsql {COMMIT}
+    catchsql {
+        INSERT INTO tbl VALUES (3, 9, 10);
+    }
+} {1 {Trigger rollback}}
+verify_ex_errcode trigger3-3.3b SQLITE_CONSTRAINT_TRIGGER
+do_test trigger3-3.4 {
+    execsql {SELECT * FROM tbl}
+} {}
+
+# IGNORE
+do_test trigger3-4.1 {
+    catchsql {
+        BEGIN;
+        INSERT INTO tbl VALUES (5, 5, 6);
+        INSERT INTO tbl VALUES (4, 5, 6);
+    }
+} {0 {}}
+do_test trigger3-4.2 {
+    execsql {
+        SELECT * FROM tbl;
+        ROLLBACK;
+    }
+} {5 5 6}
+
+# Check that we can also do RAISE(IGNORE) for UPDATE and DELETE
+execsql {DROP TABLE tbl;}
+execsql {CREATE TABLE tbl (a, b, c);}
+execsql {INSERT INTO tbl VALUES(1, 2, 3);}
+execsql {INSERT INTO tbl VALUES(4, 5, 6);}
+execsql {
+    CREATE TRIGGER before_tbl_update BEFORE UPDATE ON tbl BEGIN
+        SELECT CASE WHEN (old.a = 1) THEN RAISE(IGNORE) END;
+    END;
+
+    CREATE TRIGGER before_tbl_delete BEFORE DELETE ON tbl BEGIN
+        SELECT CASE WHEN (old.a = 1) THEN RAISE(IGNORE) END;
+    END;
+}
+do_test trigger3-5.1 {
+    execsql {
+        UPDATE tbl SET c = 10;
+        SELECT * FROM tbl;
+    }
+} {1 2 3 4 5 10}
+do_test trigger3-5.2 {
+    execsql {
+        DELETE FROM tbl;
+        SELECT * FROM tbl;
+    }
+} {1 2 3}
+
+# Check that RAISE(IGNORE) works correctly for nested triggers:
+execsql {CREATE TABLE tbl2(a, b, c)}
+execsql {
+    CREATE TRIGGER after_tbl2_insert AFTER INSERT ON tbl2 BEGIN
+        UPDATE tbl SET c = 10;
+        INSERT INTO tbl2 VALUES (new.a, new.b, new.c);
+    END;
+}
+do_test trigger3-6 {
+    execsql {
+        INSERT INTO tbl2 VALUES (1, 2, 3);
+        SELECT * FROM tbl2;
+        SELECT * FROM tbl;
+    }
+} {1 2 3 1 2 3 1 2 3}
+
+# Check that things also work for view-triggers
+
+ifcapable view {
+
+execsql {CREATE VIEW tbl_view AS SELECT * FROM tbl}
+execsql {
+    CREATE TRIGGER tbl_view_insert INSTEAD OF INSERT ON tbl_view BEGIN
+        SELECT CASE WHEN (new.a = 1) THEN RAISE(ROLLBACK, 'View rollback')
+                    WHEN (new.a = 2) THEN RAISE(IGNORE) 
+                    WHEN (new.a = 3) THEN RAISE(ABORT, 'View abort') END;
+    END;
+}
+
+do_test trigger3-7.1 {
+    catchsql {
+        INSERT INTO tbl_view VALUES(1, 2, 3);
+    }
+} {1 {View rollback}}
+verify_ex_errcode trigger3-7.1b SQLITE_CONSTRAINT_TRIGGER
+do_test trigger3-7.2 {
+    catchsql {
+        INSERT INTO tbl_view VALUES(2, 2, 3);
+    }
+} {0 {}}
+do_test trigger3-7.3 {
+    catchsql {
+        INSERT INTO tbl_view VALUES(3, 2, 3);
+    }
+} {1 {View abort}}
+verify_ex_errcode trigger3-7.3b SQLITE_CONSTRAINT_TRIGGER
+
+} ;# ifcapable view
+
+integrity_check trigger3-8.1
+
+catchsql { DROP TABLE tbl; } 
+catchsql { DROP TABLE tbl2; } 
+catchsql { DROP VIEW tbl_view; }
+
+finish_test