Imported Upstream version 2.0.6

1 files changed, 96 insertions, 0 deletions

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+# 2012 March 31
+#
+# 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.
+#
+#***********************************************************************
+#
+# Focus on the interaction between RELEASE and ROLLBACK TO with
+# pending query aborts.  See ticket [27ca74af3c083f787a1c44b11fbb7c53bdbbcf1e].
+#
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+
+# The RELEASE of an inner savepoint should not effect pending queries.
+#
+do_test savepoint7-1.1 {
+  db eval {
+    CREATE TABLE t1(a,b,c);
+    CREATE TABLE t2(x,y,z);
+    INSERT INTO t1 VALUES(1,2,3);
+    INSERT INTO t1 VALUES(4,5,6);
+    INSERT INTO t1 VALUES(7,8,9);
+    SAVEPOINT x1;
+  }
+  db eval {SELECT * FROM t1} {
+    db eval {
+      SAVEPOINT x2;
+      INSERT INTO t2 VALUES($a,$b,$c);
+      RELEASE x2;
+    }
+  }
+  db eval {SELECT * FROM t2; RELEASE x1}
+} {1 2 3 4 5 6 7 8 9}
+
+do_test savepoint7-1.2 {
+  db eval {DELETE FROM t2;}
+  db eval {SELECT * FROM t1} {
+    db eval {
+      SAVEPOINT x2;
+      INSERT INTO t2 VALUES($a,$b,$c);
+      RELEASE x2;
+    }
+  }
+  db eval {SELECT * FROM t2}
+} {1 2 3 4 5 6 7 8 9}
+
+do_test savepoint7-1.3 {
+  db eval {DELETE FROM t2; BEGIN;}
+  db eval {SELECT * FROM t1} {
+    db eval {
+      SAVEPOINT x2;
+      INSERT INTO t2 VALUES($a,$b,$c);
+      RELEASE x2;
+    }
+  }
+  db eval {SELECT * FROM t2; ROLLBACK;}
+} {1 2 3 4 5 6 7 8 9}
+
+# However, a ROLLBACK of an inner savepoint will abort all queries, including
+# queries in outer contexts.
+#
+do_test savepoint7-2.1 {
+  db eval {DELETE FROM t2; SAVEPOINT x1;}
+  set rc [catch {
+    db eval {SELECT * FROM t1} {
+      db eval {
+        SAVEPOINT x2;
+        INSERT INTO t2 VALUES($a,$b,$c);
+        ROLLBACK TO x2;
+      }
+    }
+  } msg]
+  db eval {RELEASE x1}
+  list $rc $msg [db eval {SELECT * FROM t2}]
+} {1 {callback requested query abort} {}}
+
+do_test savepoint7-2.2 {
+  db eval {DELETE FROM t2;}
+  set rc [catch {
+    db eval {SELECT * FROM t1} {
+      db eval {
+        SAVEPOINT x2;
+        INSERT INTO t2 VALUES($a,$b,$c);
+        ROLLBACK TO x2;
+      }
+    }
+  } msg]
+  list $rc $msg [db eval {SELECT * FROM t2}]
+} {1 {callback requested query abort} {}}
+
+finish_test