601 lines
15 KiB
Plaintext
601 lines
15 KiB
Plaintext
# The author disclaims copyright to this source code. In place of
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# a legal notice, here is a blessing:
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#
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# May you do good and not evil.
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# May you find forgiveness for yourself and forgive others.
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# May you share freely, never taking more than you give.
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#
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#***********************************************************************
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#
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# Regression testing of FOR EACH ROW table triggers
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#
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# 1. Trigger execution order tests.
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# These tests ensure that BEFORE and AFTER triggers are fired at the correct
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# times relative to each other and the triggering statement.
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#
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# trig-1.1.*: ON UPDATE trigger execution model.
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# trig-1.2.*: DELETE trigger execution model.
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# trig-1.3.*: INSERT trigger execution model.
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#
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# 2. Trigger program execution tests.
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# These tests ensure that trigger programs execute correctly (ie. that a
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# trigger program can correctly execute INSERT, UPDATE, DELETE * SELECT
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# statements, and combinations thereof).
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#
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# 3. Selective trigger execution
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# This tests that conditional triggers (ie. UPDATE OF triggers and triggers
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# with WHEN clauses) are fired only fired when they are supposed to be.
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#
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# trig-3.1: UPDATE OF triggers
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# trig-3.2: WHEN clause
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#
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# 4. Cascaded trigger execution
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# Tests that trigger-programs may cause other triggers to fire. Also that a
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# trigger-program is never executed recursively.
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#
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# trig-4.1: Trivial cascading trigger
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# trig-4.2: Trivial recursive trigger handling
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#
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# 5. Count changes behaviour.
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# Verify that rows altered by triggers are not included in the return value
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# of the "count changes" interface.
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#
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# 6. ON CONFLICT clause handling
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# trig-6.1[a-f]: INSERT statements
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# trig-6.2[a-f]: UPDATE statements
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#
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# 7. Triggers on views fire correctly.
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#
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set testdir [file dirname $argv0]
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source $testdir/tester.tcl
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# 1.
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set ii 0
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foreach tbl_defn [ list \
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{CREATE TABLE tbl (a, b);} \
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{CREATE TEMP TABLE tbl (a, b);} \
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{CREATE TABLE tbl (a INTEGER PRIMARY KEY, b);} \
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{CREATE TABLE tbl (a, b PRIMARY KEY);} \
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{CREATE TABLE tbl (a, b); CREATE INDEX tbl_idx ON tbl(b);} ] {
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incr ii
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catchsql { DROP INDEX tbl_idx; }
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catchsql {
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DROP TABLE rlog;
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DROP TABLE clog;
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DROP TABLE tbl;
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DROP TABLE other_tbl;
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}
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execsql $tbl_defn
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execsql {
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INSERT INTO tbl VALUES(1, 2);
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INSERT INTO tbl VALUES(3, 4);
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CREATE TABLE rlog (idx, old_a, old_b, db_sum_a, db_sum_b, new_a, new_b);
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CREATE TABLE clog (idx, old_a, old_b, db_sum_a, db_sum_b, new_a, new_b);
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CREATE TRIGGER before_update_row BEFORE UPDATE ON tbl FOR EACH ROW
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BEGIN
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INSERT INTO rlog VALUES ( (SELECT coalesce(max(idx),0) + 1 FROM rlog),
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old.a, old.b,
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(SELECT sum(a) FROM tbl), (SELECT sum(b) FROM tbl),
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new.a, new.b);
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END;
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CREATE TRIGGER after_update_row AFTER UPDATE ON tbl FOR EACH ROW
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BEGIN
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INSERT INTO rlog VALUES ( (SELECT coalesce(max(idx),0) + 1 FROM rlog),
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old.a, old.b,
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(SELECT sum(a) FROM tbl), (SELECT sum(b) FROM tbl),
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new.a, new.b);
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END;
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CREATE TRIGGER conditional_update_row AFTER UPDATE ON tbl FOR EACH ROW
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WHEN old.a = 1
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BEGIN
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INSERT INTO clog VALUES ( (SELECT coalesce(max(idx),0) + 1 FROM clog),
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old.a, old.b,
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(SELECT sum(a) FROM tbl), (SELECT sum(b) FROM tbl),
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new.a, new.b);
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END;
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}
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do_test trig-1.1.$ii {
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execsql {
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UPDATE tbl SET a = a * 10, b = b * 10;
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SELECT * FROM rlog ORDER BY idx;
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SELECT * FROM clog ORDER BY idx;
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}
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} [list 1 1 2 4 6 10 20 \
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2 1 2 13 24 10 20 \
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3 3 4 13 24 30 40 \
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4 3 4 40 60 30 40 \
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1 1 2 13 24 10 20 ]
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execsql {
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DELETE FROM rlog;
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DELETE FROM tbl;
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INSERT INTO tbl VALUES (100, 100);
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INSERT INTO tbl VALUES (300, 200);
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CREATE TRIGGER delete_before_row BEFORE DELETE ON tbl FOR EACH ROW
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BEGIN
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INSERT INTO rlog VALUES ( (SELECT coalesce(max(idx),0) + 1 FROM rlog),
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old.a, old.b,
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(SELECT sum(a) FROM tbl), (SELECT sum(b) FROM tbl),
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0, 0);
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END;
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CREATE TRIGGER delete_after_row AFTER DELETE ON tbl FOR EACH ROW
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BEGIN
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INSERT INTO rlog VALUES ( (SELECT coalesce(max(idx),0) + 1 FROM rlog),
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old.a, old.b,
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(SELECT sum(a) FROM tbl), (SELECT sum(b) FROM tbl),
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0, 0);
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END;
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}
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do_test trig-1.2.$ii {
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execsql {
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DELETE FROM tbl;
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SELECT * FROM rlog;
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}
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} [list 1 100 100 400 300 0 0 \
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2 100 100 300 200 0 0 \
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3 300 200 300 200 0 0 \
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4 300 200 0 0 0 0 ]
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execsql {
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DELETE FROM rlog;
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CREATE TRIGGER insert_before_row BEFORE INSERT ON tbl FOR EACH ROW
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BEGIN
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INSERT INTO rlog VALUES ( (SELECT coalesce(max(idx),0) + 1 FROM rlog),
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0, 0,
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(SELECT sum(a) FROM tbl), (SELECT sum(b) FROM tbl),
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new.a, new.b);
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END;
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CREATE TRIGGER insert_after_row AFTER INSERT ON tbl FOR EACH ROW
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BEGIN
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INSERT INTO rlog VALUES ( (SELECT coalesce(max(idx),0) + 1 FROM rlog),
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0, 0,
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(SELECT sum(a) FROM tbl), (SELECT sum(b) FROM tbl),
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new.a, new.b);
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END;
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}
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do_test trig-1.3.$ii {
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execsql {
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CREATE TABLE other_tbl(a, b);
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INSERT INTO other_tbl VALUES(1, 2);
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INSERT INTO other_tbl VALUES(3, 4);
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-- INSERT INTO tbl SELECT * FROM other_tbl;
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INSERT INTO tbl VALUES(5, 6);
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DROP TABLE other_tbl;
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SELECT * FROM rlog;
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}
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} [list 1 0 0 0 0 5 6 \
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2 0 0 5 6 5 6 ]
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}
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catchsql {
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DROP TABLE rlog;
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DROP TABLE clog;
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DROP TABLE tbl;
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DROP TABLE other_tbl;
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}
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# 2.
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set ii 0
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foreach tr_program [ list \
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{UPDATE tbl SET b = old.b;} \
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{INSERT INTO log VALUES(new.c, 2, 3);} \
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{DELETE FROM log WHERE a = 1;} \
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{INSERT INTO tbl VALUES(500, new.b * 10, 700);
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UPDATE tbl SET c = old.c;
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DELETE FROM log;} \
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{INSERT INTO log select * from tbl;}
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] \
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{
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foreach test_varset [ list \
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{
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set statement {UPDATE tbl SET c = 10 WHERE a = 1;}
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set prep {INSERT INTO tbl VALUES(1, 2, 3);}
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set newC 10
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set newB 2
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set newA 1
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set oldA 1
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set oldB 2
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set oldC 3
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} \
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{
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set statement {DELETE FROM tbl WHERE a = 1;}
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set prep {INSERT INTO tbl VALUES(1, 2, 3);}
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set oldA 1
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set oldB 2
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set oldC 3
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} \
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{
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set statement {INSERT INTO tbl VALUES(1, 2, 3);}
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set newA 1
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set newB 2
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set newC 3
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}
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] \
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{
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set statement {}
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set prep {}
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set newA {''}
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set newB {''}
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set newC {''}
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set oldA {''}
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set oldB {''}
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set oldC {''}
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incr ii
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eval $test_varset
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set statement_type [string range $statement 0 5]
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set tr_program_fixed $tr_program
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if {$statement_type == "DELETE"} {
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regsub -all new\.a $tr_program_fixed {''} tr_program_fixed
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regsub -all new\.b $tr_program_fixed {''} tr_program_fixed
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regsub -all new\.c $tr_program_fixed {''} tr_program_fixed
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}
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if {$statement_type == "INSERT"} {
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regsub -all old\.a $tr_program_fixed {''} tr_program_fixed
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regsub -all old\.b $tr_program_fixed {''} tr_program_fixed
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regsub -all old\.c $tr_program_fixed {''} tr_program_fixed
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}
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set tr_program_cooked $tr_program
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regsub -all new\.a $tr_program_cooked $newA tr_program_cooked
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regsub -all new\.b $tr_program_cooked $newB tr_program_cooked
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regsub -all new\.c $tr_program_cooked $newC tr_program_cooked
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regsub -all old\.a $tr_program_cooked $oldA tr_program_cooked
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regsub -all old\.b $tr_program_cooked $oldB tr_program_cooked
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regsub -all old\.c $tr_program_cooked $oldC tr_program_cooked
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catchsql {
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DROP TABLE tbl;
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DROP TABLE log;
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}
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execsql {
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CREATE TABLE tbl(a PRIMARY KEY, b, c);
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CREATE TABLE log(a, b, c);
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}
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set query {SELECT * FROM tbl; SELECT * FROM log;}
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set prep "$prep; INSERT INTO log VALUES(1, 2, 3); INSERT INTO log VALUES(10, 20, 30);"
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# Check execution of BEFORE programs:
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set before_data [ execsql "$prep $tr_program_cooked $statement $query" ]
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execsql "DELETE FROM tbl; DELETE FROM log; $prep";
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execsql "CREATE TRIGGER the_trigger BEFORE [string range $statement 0 6] ON tbl BEGIN $tr_program_fixed END;"
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do_test trig-2-$ii-before "execsql {$statement $query}" $before_data
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execsql "DROP TRIGGER the_trigger;"
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execsql "DELETE FROM tbl; DELETE FROM log;"
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# Check execution of AFTER programs
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set after_data [ execsql "$prep $statement $tr_program_cooked $query" ]
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execsql "DELETE FROM tbl; DELETE FROM log; $prep";
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execsql "CREATE TRIGGER the_trigger AFTER [string range $statement 0 6] ON tbl BEGIN $tr_program_fixed END;"
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do_test trig-2-$ii-after "execsql {$statement $query}" $after_data
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execsql "DROP TRIGGER the_trigger;"
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}
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}
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catchsql {
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DROP TABLE tbl;
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DROP TABLE log;
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}
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# 3.
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# trig-3.1: UPDATE OF triggers
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execsql {
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CREATE TABLE tbl (a, b, c, d);
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CREATE TABLE log (a);
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INSERT INTO log VALUES (0);
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INSERT INTO tbl VALUES (0, 0, 0, 0);
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INSERT INTO tbl VALUES (1, 0, 0, 0);
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CREATE TRIGGER tbl_after_update_cd BEFORE UPDATE OF c, d ON tbl
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BEGIN
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UPDATE log SET a = a + 1;
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END;
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}
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do_test trig-3.1 {
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execsql {
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UPDATE tbl SET b = 1, c = 10; -- 2
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UPDATE tbl SET b = 10; -- 0
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UPDATE tbl SET d = 4 WHERE a = 0; --1
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UPDATE tbl SET a = 4, b = 10; --0
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SELECT * FROM log;
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}
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} {3}
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execsql {
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DROP TABLE tbl;
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DROP TABLE log;
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}
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# trig-3.2: WHEN clause
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set when_triggers [ list \
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{t1 BEFORE INSERT ON tbl WHEN new.a > 20} \
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{t2 BEFORE INSERT ON tbl WHEN (SELECT count(*) FROM tbl) = 0} ]
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execsql {
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CREATE TABLE tbl (a, b, c, d);
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CREATE TABLE log (a);
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INSERT INTO log VALUES (0);
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}
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foreach trig $when_triggers {
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execsql "CREATE TRIGGER $trig BEGIN UPDATE log set a = a + 1; END;"
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}
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do_test trig-3.2 {
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execsql {
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INSERT INTO tbl VALUES(0, 0, 0, 0); -- 1
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SELECT * FROM log;
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UPDATE log SET a = 0;
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INSERT INTO tbl VALUES(0, 0, 0, 0); -- 0
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SELECT * FROM log;
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UPDATE log SET a = 0;
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INSERT INTO tbl VALUES(200, 0, 0, 0); -- 1
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SELECT * FROM log;
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UPDATE log SET a = 0;
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}
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} {1 0 1}
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execsql {
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DROP TABLE tbl;
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DROP TABLE log;
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}
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# Simple cascaded trigger
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execsql {
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CREATE TABLE tblA(a, b);
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CREATE TABLE tblB(a, b);
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CREATE TABLE tblC(a, b);
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CREATE TRIGGER tr1 BEFORE INSERT ON tblA BEGIN
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INSERT INTO tblB values(new.a, new.b);
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END;
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CREATE TRIGGER tr2 BEFORE INSERT ON tblB BEGIN
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INSERT INTO tblC values(new.a, new.b);
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END;
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}
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do_test trig-4.1 {
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execsql {
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INSERT INTO tblA values(1, 2);
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SELECT * FROM tblA;
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SELECT * FROM tblB;
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SELECT * FROM tblC;
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}
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} {1 2 1 2 1 2}
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execsql {
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DROP TABLE tblA;
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DROP TABLE tblB;
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DROP TABLE tblC;
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}
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# Simple recursive trigger
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execsql {
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CREATE TABLE tbl(a, b, c);
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CREATE TRIGGER tbl_trig BEFORE INSERT ON tbl
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BEGIN
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INSERT INTO tbl VALUES (new.a, new.b, new.c);
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END;
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}
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do_test trig-4.2 {
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execsql {
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INSERT INTO tbl VALUES (1, 2, 3);
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select * from tbl;
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}
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} {1 2 3 1 2 3}
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execsql {
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DROP TABLE tbl;
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}
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# 5.
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execsql {
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CREATE TABLE tbl(a, b, c);
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CREATE TRIGGER tbl_trig BEFORE INSERT ON tbl
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BEGIN
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INSERT INTO tbl VALUES (1, 2, 3);
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INSERT INTO tbl VALUES (2, 2, 3);
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UPDATE tbl set b = 10 WHERE a = 1;
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DELETE FROM tbl WHERE a = 1;
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DELETE FROM tbl;
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END;
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}
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do_test trig-5 {
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execsql {
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INSERT INTO tbl VALUES(100, 200, 300);
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}
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db changes
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} {1}
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execsql {
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DROP TABLE tbl;
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}
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# Handling of ON CONFLICT by INSERT statements inside triggers
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execsql {
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CREATE TABLE tbl (a primary key, b, c);
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CREATE TRIGGER ai_tbl AFTER INSERT ON tbl BEGIN
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INSERT OR IGNORE INTO tbl values (new.a, 0, 0);
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END;
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}
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do_test trig-6.1a {
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execsql {
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BEGIN;
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INSERT INTO tbl values (1, 2, 3);
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SELECT * from tbl;
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}
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} {1 2 3}
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do_test trig-6.1b {
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catchsql {
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INSERT OR ABORT INTO tbl values (2, 2, 3);
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}
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} {1 {constraint failed}}
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do_test trig-6.1c {
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execsql {
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SELECT * from tbl;
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}
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} {1 2 3}
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do_test trig-6.1d {
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catchsql {
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INSERT OR FAIL INTO tbl values (2, 2, 3);
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}
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} {1 {constraint failed}}
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do_test trig-6.1e {
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execsql {
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SELECT * from tbl;
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}
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} {1 2 3 2 2 3}
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do_test trig-6.1f {
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execsql {
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INSERT OR REPLACE INTO tbl values (2, 2, 3);
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SELECT * from tbl;
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}
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} {1 2 3 2 0 0}
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do_test trig-6.1g {
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catchsql {
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INSERT OR ROLLBACK INTO tbl values (3, 2, 3);
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}
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} {1 {constraint failed}}
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do_test trig-6.1h {
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execsql {
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SELECT * from tbl;
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}
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} {}
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# Handling of ON CONFLICT by UPDATE statements inside triggers
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execsql {
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INSERT INTO tbl values (4, 2, 3);
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INSERT INTO tbl values (6, 3, 4);
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CREATE TRIGGER au_tbl AFTER UPDATE ON tbl BEGIN
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UPDATE OR IGNORE tbl SET a = new.a, c = 10;
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END;
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}
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do_test trig-6.2a {
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execsql {
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BEGIN;
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UPDATE tbl SET a = 1 WHERE a = 4;
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SELECT * from tbl;
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}
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} {1 2 10 6 3 4}
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do_test trig-6.2b {
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catchsql {
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UPDATE OR ABORT tbl SET a = 4 WHERE a = 1;
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}
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} {1 {constraint failed}}
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do_test trig-6.2c {
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execsql {
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SELECT * from tbl;
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}
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} {1 2 10 6 3 4}
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do_test trig-6.2d {
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catchsql {
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UPDATE OR FAIL tbl SET a = 4 WHERE a = 1;
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}
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} {1 {constraint failed}}
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do_test trig-6.2e {
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execsql {
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SELECT * from tbl;
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}
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} {4 2 10 6 3 4}
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do_test trig-6.2f {
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execsql {
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UPDATE OR REPLACE tbl SET a = 1 WHERE a = 4;
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SELECT * from tbl;
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}
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} {1 3 10}
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execsql {
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INSERT INTO tbl VALUES (2, 3, 4);
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}
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do_test trig-6.2g {
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catchsql {
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UPDATE OR ROLLBACK tbl SET a = 4 WHERE a = 1;
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}
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} {1 {constraint failed}}
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do_test trig-6.2h {
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execsql {
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SELECT * from tbl;
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}
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} {4 2 3 6 3 4}
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execsql {
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DROP TABLE tbl;
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}
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# 7. Triggers on views
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do_test trig-7.1 {
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execsql {
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CREATE TABLE ab(a, b);
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CREATE TABLE cd(c, d);
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INSERT INTO ab VALUES (1, 2);
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INSERT INTO ab VALUES (0, 0);
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INSERT INTO cd VALUES (3, 4);
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CREATE TABLE tlog(ii INTEGER PRIMARY KEY,
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olda, oldb, oldc, oldd, newa, newb, newc, newd);
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CREATE VIEW abcd AS SELECT a, b, c, d FROM ab, cd;
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CREATE TRIGGER before_update INSTEAD OF UPDATE ON abcd BEGIN
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INSERT INTO tlog VALUES(NULL,
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old.a, old.b, old.c, old.d, new.a, new.b, new.c, new.d);
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END;
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CREATE TRIGGER after_update INSTEAD OF UPDATE ON abcd BEGIN
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INSERT INTO tlog VALUES(NULL,
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old.a, old.b, old.c, old.d, new.a, new.b, new.c, new.d);
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END;
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CREATE TRIGGER before_delete INSTEAD OF DELETE ON abcd BEGIN
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INSERT INTO tlog VALUES(NULL,
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old.a, old.b, old.c, old.d, 0, 0, 0, 0);
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END;
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CREATE TRIGGER after_delete INSTEAD OF DELETE ON abcd BEGIN
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INSERT INTO tlog VALUES(NULL,
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old.a, old.b, old.c, old.d, 0, 0, 0, 0);
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END;
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CREATE TRIGGER before_insert INSTEAD OF INSERT ON abcd BEGIN
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INSERT INTO tlog VALUES(NULL,
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0, 0, 0, 0, new.a, new.b, new.c, new.d);
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END;
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CREATE TRIGGER after_insert INSTEAD OF INSERT ON abcd BEGIN
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INSERT INTO tlog VALUES(NULL,
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0, 0, 0, 0, new.a, new.b, new.c, new.d);
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END;
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}
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} {}
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do_test trig-7.2 {
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execsql {
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UPDATE abcd SET a = 100, b = 5*5 WHERE a = 1;
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DELETE FROM abcd WHERE a = 1;
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INSERT INTO abcd VALUES(10, 20, 30, 40);
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SELECT * FROM tlog;
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}
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} [ list 1 1 2 3 4 100 25 3 4 \
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2 1 2 3 4 100 25 3 4 \
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3 1 2 3 4 0 0 0 0 \
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4 1 2 3 4 0 0 0 0 \
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5 0 0 0 0 10 20 30 40 \
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6 0 0 0 0 10 20 30 40 ]
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finish_test
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