From: danielk1977 <danielk1977@noemail.net>
Date: Tue, 8 May 2007 16:13:45 +0000 (+0000)
Subject: Add a test case that uses a trigger to insert many rows to sqllimits1.test. (CVS... 
X-Git-Tag: version-3.4.0~128
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=428de1c03a7ebe93cdebbcd041597015ab7f8672;p=thirdparty%2Fsqlite.git

Add a test case that uses a trigger to insert many rows to sqllimits1.test. (CVS 3953)

FossilOrigin-Name: 6368222558d00f968b49f862bfe672573e86fbcf
---

diff --git a/manifest b/manifest
index 18439c6c66..1df6ab118a 100644
--- a/manifest
+++ b/manifest
@@ -1,5 +1,5 @@
-C Add\snew\stest\sfile\ssqllimits1.test.\s(CVS\s3952)
-D 2007-05-08T15:59:06
+C Add\sa\stest\scase\sthat\suses\sa\strigger\sto\sinsert\smany\srows\sto\ssqllimits1.test.\s(CVS\s3953)
+D 2007-05-08T16:13:45
 F Makefile.in 87b200ad9970907f76df734d29dff3d294c10935
 F Makefile.linux-gcc 2d8574d1ba75f129aba2019f0b959db380a90935
 F README 9c4e2d6706bdcc3efdd773ce752a8cdab4f90028
@@ -340,7 +340,7 @@ F test/shared_err.test cc528f6e78665787e93d9ce3a782a2ce5179d821
 F test/sort.test 0e4456e729e5a92a625907c63dcdedfbe72c5dc5
 F test/speed1.test 22e1b27af0683ed44dcd2f93ed817a9c3e65084a
 F test/speed2.test 53177056baf6556dcbdcf032bbdfc41c1aa74ded
-F test/sqllimits1.test 180c2bc1a13ae67adca747c333eba3211409abf3
+F test/sqllimits1.test b88ffc18cf8a4bcb6608cacaa692ede4b7511a2a
 F test/subquery.test ae324ee928c5fb463a3ce08a8860d6e7f1ca5797
 F test/subselect.test 974e87f8fc91c5f00dd565316d396a5a6c3106c4
 F test/sync.test d05397b8f89f423dd6dba528692019ab036bc1c3
@@ -486,7 +486,7 @@ F www/tclsqlite.tcl bb0d1357328a42b1993d78573e587c6dcbc964b9
 F www/vdbe.tcl 87a31ace769f20d3627a64fa1fade7fed47b90d0
 F www/version3.tcl 890248cf7b70e60c383b0e84d77d5132b3ead42b
 F www/whentouse.tcl fc46eae081251c3c181bd79c5faef8195d7991a5
-P 0cf518ceebda8e7421d054813f97cc447d292344
-R ddfeace665d99b6082fb9407968ef94f
+P c8974603976ebc02edbc9ab271e87e57f8eb365e
+R 14fd5bdefc5c8b6717aa13ebe2e75f62
 U danielk1977
-Z f31fe2890398ab75828f21106fdbea89
+Z f532c476b7aaba8d810fc10e1b62322d
diff --git a/manifest.uuid b/manifest.uuid
index 403273df89..b1d76be22a 100644
--- a/manifest.uuid
+++ b/manifest.uuid
@@ -1 +1 @@
-c8974603976ebc02edbc9ab271e87e57f8eb365e
\ No newline at end of file
+6368222558d00f968b49f862bfe672573e86fbcf
\ No newline at end of file
diff --git a/test/sqllimits1.test b/test/sqllimits1.test
index 0369ebc2c3..09ee6be810 100644
--- a/test/sqllimits1.test
+++ b/test/sqllimits1.test
@@ -12,7 +12,7 @@
 # This file contains tests to verify that the limits defined in
 # sqlite source file limits.h are enforced.
 #
-# $Id: sqllimits1.test,v 1.1 2007/05/08 15:59:06 danielk1977 Exp $
+# $Id: sqllimits1.test,v 1.2 2007/05/08 16:13:45 danielk1977 Exp $
 
 set testdir [file dirname $argv0]
 source $testdir/tester.tcl
@@ -44,7 +44,7 @@ do_test sqllimits-1.4 {
 } {1 {string or blob too big}}
 
 #--------------------------------------------------------------------
-# Test cases sqllimits-1.* test that the SQLITE_MAX_SQL limit
+# Test cases sqllimits-2.* test that the SQLITE_MAX_SQL limit
 # is enforced.
 #
 do_test sqllimits-2.1 {
@@ -53,5 +53,90 @@ do_test sqllimits-2.1 {
   catchsql $sql
 } {1 {String or BLOB exceeded size limit}}
 
+#--------------------------------------------------------------------
+# Test cases sqllimits-3.* test that the limit set using the
+# max_page_count pragma.
+#
+do_test sqllimits-3.1 {
+  execsql {
+    PRAGMA max_page_count = 1000;
+  }
+} {1000}
+do_test sqllimits-3.2 {
+  execsql {
+    CREATE TABLE trig (a INTEGER, b INTEGER);
+  }
+
+  # Set up a tree of triggers to fire when a row is inserted
+  # into table "trig".
+  #
+  # INSERT -> insert_b -> update_b -> insert_a -> update_a      (chain 1)
+  #                    -> update_a -> insert_a -> update_b      (chain 2)
+  #        -> insert_a -> update_b -> insert_b -> update_a      (chain 3)
+  #                    -> update_a -> insert_b -> update_b      (chain 4)
+  #
+  # Table starts with N rows.
+  #
+  #   Chain 1: insert_b (update N rows)
+  #              -> update_b (insert 1 rows)
+  #                -> insert_a (update N rows)
+  #                  -> update_a (insert 1 rows)
+  #
+  # chains 2, 3 and 4 are similar. Each inserts more than N^2 rows, where
+  # N is the number of rows at the conclusion of the previous chain.
+  #
+  # Therefore, a single insert adds (N^16 plus some) rows to the database.
+  # A really long loop...
+  #     
+  execsql {
+    CREATE TRIGGER update_b BEFORE UPDATE ON trig
+      FOR EACH ROW BEGIN
+        INSERT INTO trig VALUES (65, 'update_b');
+      END;
+
+    CREATE TRIGGER update_a AFTER UPDATE ON trig
+      FOR EACH ROW BEGIN
+        INSERT INTO trig VALUES (65, 'update_a');
+      END;
+
+    CREATE TRIGGER insert_b BEFORE INSERT ON trig
+      FOR EACH ROW BEGIN
+        UPDATE trig SET a = 1;
+      END;
+
+    CREATE TRIGGER insert_a AFTER INSERT ON trig
+      FOR EACH ROW BEGIN
+        UPDATE trig SET a = 1;
+      END;
+  }
+} {}
+
+do_test sqllimits1-3.3 {
+  execsql {
+    INSERT INTO trig VALUES (1,1); 
+  }
+} {}
+
+do_test sqllimits1-3.4 {
+  execsql {
+    SELECT COUNT(*) FROM trig;
+  }
+} {7}
+
+# This tries to insert so many rows it fills up the database (limited
+# to 1MB, so not that noteworthy an achievement).
+#
+do_test sqllimits1-3.5 {
+  catchsql {
+    INSERT INTO trig VALUES (1,10);
+  }
+} {1 {database or disk is full}}
+
+do_test sqllimits1-3.6 {
+  catchsql {
+    SELECT COUNT(*) FROM trig;
+  }
+} {0 7}
+
 finish_test