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third_party/sqlite/src/test/lastinsert.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.
+#
+#***********************************************************************
+#
+# Tests to make sure that value returned by last_insert_rowid() (LIRID)
+# is updated properly, especially inside triggers
+#
+# Note 1: insert into table is now the only statement which changes LIRID
+# Note 2: upon entry into before or instead of triggers,
+#           LIRID is unchanged (rather than -1)
+# Note 3: LIRID is changed within the context of a trigger,
+#           but is restored once the trigger exits
+# Note 4: LIRID is not changed by an insert into a view (since everything
+#           is done within instead of trigger context)
+#
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+
+# ----------------------------------------------------------------------------
+# 1.x - basic tests (no triggers)
+
+# LIRID changed properly after an insert into a table
+do_test lastinsert-1.1 {
+    catchsql {
+        create table t1 (k integer primary key);
+        insert into t1 values (1);
+        insert into t1 values (NULL);
+        insert into t1 values (NULL);
+        select last_insert_rowid();
+    }
+} {0 3}
+
+# LIRID unchanged after an update on a table
+do_test lastinsert-1.2 {
+    catchsql {
+        update t1 set k=4 where k=2;
+        select last_insert_rowid();
+    }
+} {0 3}
+
+# LIRID unchanged after a delete from a table
+do_test lastinsert-1.3 {
+    catchsql {
+        delete from t1 where k=4;
+        select last_insert_rowid();
+    }
+} {0 3}
+
+# LIRID unchanged after create table/view statements
+do_test lastinsert-1.4.1 {
+    catchsql {
+        create table t2 (k integer primary key, val1, val2, val3);
+        select last_insert_rowid();
+    }
+} {0 3}
+ifcapable view {
+do_test lastinsert-1.4.2 {
+    catchsql {
+        create view v as select * from t1;
+        select last_insert_rowid();
+    }
+} {0 3}
+} ;# ifcapable view
+
+# All remaining tests involve triggers.  Skip them if triggers are not
+# supported in this build.
+#
+ifcapable {!trigger} {
+  finish_test
+  return
+}
+
+# ----------------------------------------------------------------------------
+# 2.x - tests with after insert trigger
+
+# LIRID changed properly after an insert into table containing an after trigger
+do_test lastinsert-2.1 {
+    catchsql {
+        delete from t2;
+        create trigger r1 after insert on t1 for each row begin
+            insert into t2 values (NEW.k*2, last_insert_rowid(), NULL, NULL);
+            update t2 set k=k+10, val2=100+last_insert_rowid();
+            update t2 set val3=1000+last_insert_rowid();
+        end;
+        insert into t1 values (13);
+        select last_insert_rowid();
+    }
+} {0 13}
+
+# LIRID equals NEW.k upon entry into after insert trigger
+do_test lastinsert-2.2 {
+    catchsql {
+        select val1 from t2;
+    }
+} {0 13}
+
+# LIRID changed properly by insert within context of after insert trigger
+do_test lastinsert-2.3 {
+    catchsql {
+        select val2 from t2;
+    }
+} {0 126}
+
+# LIRID unchanged by update within context of after insert trigger
+do_test lastinsert-2.4 {
+    catchsql {
+        select val3 from t2;
+    }
+} {0 1026}
+
+# ----------------------------------------------------------------------------
+# 3.x - tests with after update trigger
+
+# LIRID not changed after an update onto a table containing an after trigger
+do_test lastinsert-3.1 {
+    catchsql {
+        delete from t2;
+        drop trigger r1;
+        create trigger r1 after update on t1 for each row begin
+            insert into t2 values (NEW.k*2, last_insert_rowid(), NULL, NULL);
+            update t2 set k=k+10, val2=100+last_insert_rowid();
+            update t2 set val3=1000+last_insert_rowid();
+        end;
+        update t1 set k=14 where k=3;
+        select last_insert_rowid();
+    }
+} {0 13}
+
+# LIRID unchanged upon entry into after update trigger
+do_test lastinsert-3.2 {
+    catchsql {
+        select val1 from t2;
+    }
+} {0 13}
+
+# LIRID changed properly by insert within context of after update trigger
+do_test lastinsert-3.3 {
+    catchsql {
+        select val2 from t2;
+    }
+} {0 128}
+
+# LIRID unchanged by update within context of after update trigger
+do_test lastinsert-3.4 {
+    catchsql {
+        select val3 from t2;
+    }
+} {0 1028}
+
+# ----------------------------------------------------------------------------
+# 4.x - tests with instead of insert trigger
+# These may not be run if either views or triggers were disabled at 
+# compile-time
+
+ifcapable {view && trigger} {
+# LIRID not changed after an insert into view containing an instead of trigger
+do_test lastinsert-4.1 {
+    catchsql {
+        delete from t2;
+        drop trigger r1;
+        create trigger r1 instead of insert on v for each row begin
+            insert into t2 values (NEW.k*2, last_insert_rowid(), NULL, NULL);
+            update t2 set k=k+10, val2=100+last_insert_rowid();
+            update t2 set val3=1000+last_insert_rowid();
+        end;
+        insert into v values (15);
+        select last_insert_rowid();
+    }
+} {0 13}
+
+# LIRID unchanged upon entry into instead of trigger
+do_test lastinsert-4.2 {
+    catchsql {
+        select val1 from t2;
+    }
+} {0 13}
+
+# LIRID changed properly by insert within context of instead of trigger
+do_test lastinsert-4.3 {
+    catchsql {
+        select val2 from t2;
+    }
+} {0 130}
+
+# LIRID unchanged by update within context of instead of trigger
+do_test lastinsert-4.4 {
+    catchsql {
+        select val3 from t2;
+    }
+} {0 1030}
+} ;# ifcapable (view && trigger)
+
+# ----------------------------------------------------------------------------
+# 5.x - tests with before delete trigger
+
+# LIRID not changed after a delete on a table containing a before trigger
+do_test lastinsert-5.1 {
+    catchsql {
+      drop trigger r1;  -- This was not created if views are disabled.
+    }
+    catchsql {
+        delete from t2;
+        create trigger r1 before delete on t1 for each row begin
+            insert into t2 values (77, last_insert_rowid(), NULL, NULL);
+            update t2 set k=k+10, val2=100+last_insert_rowid();
+            update t2 set val3=1000+last_insert_rowid();
+        end;
+        delete from t1 where k=1;
+        select last_insert_rowid();
+    }
+} {0 13}
+
+# LIRID unchanged upon entry into delete trigger
+do_test lastinsert-5.2 {
+    catchsql {
+        select val1 from t2;
+    }
+} {0 13}
+
+# LIRID changed properly by insert within context of delete trigger
+do_test lastinsert-5.3 {
+    catchsql {
+        select val2 from t2;
+    }
+} {0 177}
+
+# LIRID unchanged by update within context of delete trigger
+do_test lastinsert-5.4 {
+    catchsql {
+        select val3 from t2;
+    }
+} {0 1077}
+
+# ----------------------------------------------------------------------------
+# 6.x - tests with instead of update trigger
+# These tests may not run if either views or triggers are disabled.
+
+ifcapable {view && trigger} {
+# LIRID not changed after an update on a view containing an instead of trigger
+do_test lastinsert-6.1 {
+    catchsql {
+        delete from t2;
+        drop trigger r1;
+        create trigger r1 instead of update on v for each row begin
+            insert into t2 values (NEW.k*2, last_insert_rowid(), NULL, NULL);
+            update t2 set k=k+10, val2=100+last_insert_rowid();
+            update t2 set val3=1000+last_insert_rowid();
+        end;
+        update v set k=16 where k=14;
+        select last_insert_rowid();
+    }
+} {0 13}
+
+# LIRID unchanged upon entry into instead of trigger
+do_test lastinsert-6.2 {
+    catchsql {
+        select val1 from t2;
+    }
+} {0 13}
+
+# LIRID changed properly by insert within context of instead of trigger
+do_test lastinsert-6.3 {
+    catchsql {
+        select val2 from t2;
+    }
+} {0 132}
+
+# LIRID unchanged by update within context of instead of trigger
+do_test lastinsert-6.4 {
+    catchsql {
+        select val3 from t2;
+    }
+} {0 1032}
+} ;# ifcapable (view && trigger)
+
+# ----------------------------------------------------------------------------
+# 7.x - complex tests with temporary tables and nested instead of triggers
+# These do not run if views or triggers are disabled.
+
+ifcapable {trigger && view && tempdb} {
+do_test lastinsert-7.1 {
+    catchsql {
+        drop table t1; drop table t2; drop trigger r1;
+        create temp table t1 (k integer primary key);
+        create temp table t2 (k integer primary key);
+        create temp view v1 as select * from t1;
+        create temp view v2 as select * from t2;
+        create temp table rid (k integer primary key, rin, rout);
+        insert into rid values (1, NULL, NULL);
+        insert into rid values (2, NULL, NULL);
+        create temp trigger r1 instead of insert on v1 for each row begin
+            update rid set rin=last_insert_rowid() where k=1;
+            insert into t1 values (100+NEW.k);
+            insert into v2 values (100+last_insert_rowid());
+            update rid set rout=last_insert_rowid() where k=1;
+        end;
+        create temp trigger r2 instead of insert on v2 for each row begin
+            update rid set rin=last_insert_rowid() where k=2;
+            insert into t2 values (1000+NEW.k);
+            update rid set rout=last_insert_rowid() where k=2;
+        end;
+        insert into t1 values (77);
+        select last_insert_rowid();
+    }
+} {0 77}
+
+do_test lastinsert-7.2 {
+    catchsql {
+        insert into v1 values (5);
+        select last_insert_rowid();
+    }
+} {0 77}
+
+do_test lastinsert-7.3 {
+    catchsql {
+        select rin from rid where k=1;
+    }
+} {0 77}
+
+do_test lastinsert-7.4 {
+    catchsql {
+        select rout from rid where k=1;
+    }
+} {0 105}
+
+do_test lastinsert-7.5 {
+    catchsql {
+        select rin from rid where k=2;
+    }
+} {0 105}
+
+do_test lastinsert-7.6 {
+    catchsql {
+        select rout from rid where k=2;
+    }
+} {0 1205}
+
+do_test lastinsert-8.1 {
+  db close
+  sqlite3 db test.db
+  execsql {
+    CREATE TABLE t2(x INTEGER PRIMARY KEY, y);
+    CREATE TABLE t3(a, b);
+    CREATE TRIGGER after_t2 AFTER INSERT ON t2 BEGIN
+      INSERT INTO t3 VALUES(new.x, new.y);
+    END;
+    INSERT INTO t2 VALUES(5000000000, 1);
+    SELECT last_insert_rowid();
+  }
+} 5000000000
+
+do_test lastinsert-9.1 {
+  db eval {INSERT INTO t2 VALUES(123456789012345,0)}
+  db last_insert_rowid
+} {123456789012345}
+
+
+} ;# ifcapable (view && trigger)
+
+finish_test