From 8a7389f27605475130623636741c7549b7301453 Mon Sep 17 00:00:00 2001
From: shane <shane@noemail.net>
Date: Fri, 10 Oct 2008 06:01:59 +0000
Subject: [PATCH] Initial test cases for the new LIMIT/OFFSET support for
 DELETE/UPDATE. (CVS 5789)

FossilOrigin-Name: d9f5e15ca00d4d54dc395926e4c9171f1d24982a
---
 manifest             |  11 +-
 manifest.uuid        |   2 +-
 test/wherelimit.test | 275 +++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 282 insertions(+), 6 deletions(-)
 create mode 100644 test/wherelimit.test

diff --git a/manifest b/manifest
index b56f9b95a8..63ec8ad82c 100644
--- a/manifest
+++ b/manifest
@@ -1,5 +1,5 @@
-C Updated\sLIMIT\ssupport\sfor\sDELETE/UPDATE.\s\sOmit\soption\schanged\sto\sSQLITE_ENABLE_UPDATE_DELETE_LIMIT.\s(CVS\s5788)
-D 2008-10-10T04:34:16
+C Initial\stest\scases\sfor\sthe\snew\sLIMIT/OFFSET\ssupport\sfor\sDELETE/UPDATE.\s(CVS\s5789)
+D 2008-10-10T06:02:00
 F Makefile.arm-wince-mingw32ce-gcc fcd5e9cd67fe88836360bb4f9ef4cb7f8e2fb5a0
 F Makefile.in 7fc26e087207e7a4a7723583dbd7997477af3b13
 F Makefile.linux-gcc d53183f4aa6a9192d249731c90dbdffbd2c68654
@@ -617,6 +617,7 @@ F test/where3.test 97d3936e6a443b968f1a61cdcc0f673252000e94
 F test/where4.test e9b9e2f2f98f00379e6031db6a6fca29bae782a2
 F test/where5.test fdf66f96d29a064b63eb543e28da4dfdccd81ad2
 F test/where6.test 42c4373595f4409d9c6a9987b4a60000ad664faf
+F test/wherelimit.test 3464395714151cdce9f7f28a19d2cf344bd934c8
 F test/zeroblob.test 792124852ec61458a2eb527b5091791215e0be95
 F tool/diffdb.c 7524b1b5df217c20cd0431f6789851a4e0cb191b
 F tool/fragck.tcl 5265a95126abcf6ab357f7efa544787e5963f439
@@ -643,7 +644,7 @@ F tool/speedtest16.c c8a9c793df96db7e4933f0852abb7a03d48f2e81
 F tool/speedtest2.tcl ee2149167303ba8e95af97873c575c3e0fab58ff
 F tool/speedtest8.c 2902c46588c40b55661e471d7a86e4dd71a18224
 F tool/speedtest8inst1.c 293327bc76823f473684d589a8160bde1f52c14e
-P c2cf9d60d6626844193b008a37e4417aa0a0f323
-R dbb64f376591fe1fef8fc7d76b6610d5
+P c10e8a3c7ab7f21c95f24d0aba590f5b18a4b028
+R b166ba9a18f5976ff7ef273258c21d55
 U shane
-Z b0043e2235752f0517ee1d3e5441bcb7
+Z b86642ea37c63f597875144fc2ecff76
diff --git a/manifest.uuid b/manifest.uuid
index 5c1c844ba5..95e681999b 100644
--- a/manifest.uuid
+++ b/manifest.uuid
@@ -1 +1 @@
-c10e8a3c7ab7f21c95f24d0aba590f5b18a4b028
\ No newline at end of file
+d9f5e15ca00d4d54dc395926e4c9171f1d24982a
\ No newline at end of file
diff --git a/test/wherelimit.test b/test/wherelimit.test
new file mode 100644
index 0000000000..5352d6fcdc
--- /dev/null
+++ b/test/wherelimit.test
@@ -0,0 +1,275 @@
+# 2008 October 6
+#
+# 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 implements regression tests for SQLite library.  The
+# focus of this file is testing the LIMIT ... OFFSET ... clause
+#  of UPDATE and DELETE statements.
+#
+# $Id: wherelimit.test,v 1.1 2008/10/10 06:02:00 shane Exp $
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+
+proc create_test_data {size} {
+  # Build some test data
+  #
+  execsql {
+    DROP TABLE IF EXISTS t1;
+    CREATE TABLE t1(x int, y int);
+    BEGIN;
+  }
+  for {set i 1} {$i<=$size} {incr i} {
+    for {set j 1} {$j<=$size} {incr j} {
+      execsql "INSERT INTO t1 VALUES([expr {$i}],[expr {$j}])"
+    }
+  }
+  execsql {
+    COMMIT;
+  }
+  return {}
+}
+
+ifcapable {update_delete_limit} {
+
+  # check syntax error support
+  do_test wherelimit-0.1 {
+    catchsql {DELETE FROM t1 ORDER BY x}
+  } {1 {ORDER BY without LIMIT on DELETE}}
+  do_test wherelimit-0.2 {
+    catchsql {DELETE FROM t1 WHERE x=1 ORDER BY x}
+  } {1 {ORDER BY without LIMIT on DELETE}}
+  do_test wherelimit-0.3 {
+    catchsql {UPDATE t1 SET y=1 WHERE x=1 ORDER BY x}
+  } {1 {ORDER BY without LIMIT on UPDATE}}
+
+  # no AS on table sources
+  do_test wherelimit-0.4 {
+    catchsql {DELETE FROM t1 AS a WHERE x=1}
+  } {1 {near "AS": syntax error}}
+  do_test wherelimit-0.5 {
+    catchsql {UPDATE t1 AS a SET y=1 WHERE x=1}
+  } {1 {near "AS": syntax error}}
+
+  # check deletes w/o where clauses but with limit/offsets
+  create_test_data 5
+  do_test wherelimit-1.0 {
+    execsql {SELECT count(*) FROM t1}
+  } {25}
+  do_test wherelimit-1.1 {
+    execsql {DELETE FROM t1}
+    execsql {SELECT count(*) FROM t1}
+  } {0}
+  create_test_data 5
+  do_test wherelimit-1.2 {
+    execsql {DELETE FROM t1 LIMIT 5}
+    execsql {SELECT count(*) FROM t1}
+  } {20}
+  do_test wherelimit-1.3 {
+    # limit 5
+    execsql {DELETE FROM t1 ORDER BY x LIMIT 5}
+    execsql {SELECT count(*) FROM t1}
+  } {15}
+  do_test wherelimit-1.4 {
+    # limit 5, offset 2
+    execsql {DELETE FROM t1 ORDER BY x LIMIT 5 OFFSET 2}
+    execsql {SELECT count(*) FROM t1}
+  } {10}
+  do_test wherelimit-1.5 {
+    # limit 5, offset -2
+    execsql {DELETE FROM t1 ORDER BY x LIMIT 5 OFFSET -2}
+    execsql {SELECT count(*) FROM t1}
+  } {5}
+  do_test wherelimit-1.6 {
+    # limit -5 (no limit), offset 2
+    execsql {DELETE FROM t1 ORDER BY x LIMIT 2, -5}
+    execsql {SELECT count(*) FROM t1}
+  } {2}
+  do_test wherelimit-1.7 {
+    # limit 5, offset -2 (no offset)
+    execsql {DELETE FROM t1 ORDER BY x LIMIT -2, 5}
+    execsql {SELECT count(*) FROM t1}
+  } {0}
+  create_test_data 5
+  do_test wherelimit-1.8 {
+    # limit -5 (no limit), offset -2 (no offset)
+    execsql {DELETE FROM t1 ORDER BY x LIMIT -2, -5}
+    execsql {SELECT count(*) FROM t1}
+  } {0}
+  create_test_data 3
+  do_test wherelimit-1.9 {
+    # limit 5, offset 2
+    execsql {DELETE FROM t1 ORDER BY x LIMIT 2, 5}
+    execsql {SELECT count(*) FROM t1}
+  } {4}
+  do_test wherelimit-1.10 {
+    # limit 5, offset 5
+    execsql {DELETE FROM t1 ORDER BY x LIMIT 5 OFFSET 5}
+    execsql {SELECT count(*) FROM t1}
+  } {4}
+  do_test wherelimit-1.11 {
+    # limit 50, offset 30
+    execsql {DELETE FROM t1 ORDER BY x LIMIT 50 OFFSET 30}
+    execsql {SELECT count(*) FROM t1}
+  } {4}
+  do_test wherelimit-1.12 {
+    # limit 50, offset 30
+    execsql {DELETE FROM t1 ORDER BY x LIMIT 30, 50}
+    execsql {SELECT count(*) FROM t1}
+  } {4}
+  do_test wherelimit-1.13 {
+    execsql {DELETE FROM t1 ORDER BY x LIMIT 50 OFFSET 50}
+    execsql {SELECT count(*) FROM t1}
+  } {4}
+
+
+  create_test_data 6
+  do_test wherelimit-2.0 {
+    execsql {SELECT count(*) FROM t1}
+  } {36}
+  do_test wherelimit-2.1 {
+    execsql {DELETE FROM t1 WHERE x=1}
+    execsql {SELECT count(*) FROM t1}
+  } {30}
+  create_test_data 6
+  do_test wherelimit-2.2 {
+    execsql {DELETE FROM t1 WHERE x=1 LIMIT 5}
+    execsql {SELECT count(*) FROM t1}
+  } {31}
+  do_test wherelimit-2.3 {
+    # limit 5
+    execsql {DELETE FROM t1 WHERE x=1 ORDER BY x LIMIT 5}
+    execsql {SELECT count(*) FROM t1}
+  } {30}
+  do_test wherelimit-2.4 {
+    # limit 5, offset 2
+    execsql {DELETE FROM t1 WHERE x=2 ORDER BY x LIMIT 5 OFFSET 2}
+    execsql {SELECT count(*) FROM t1}
+  } {26}
+  do_test wherelimit-2.5 {
+    # limit 5, offset -2
+    execsql {DELETE FROM t1 WHERE x=2 ORDER BY x LIMIT 5 OFFSET -2}
+    execsql {SELECT count(*) FROM t1}
+  } {24}
+  do_test wherelimit-2.6 {
+    # limit -5 (no limit), offset 2
+    execsql {DELETE FROM t1 WHERE x=3 ORDER BY x LIMIT 2, -5}
+    execsql {SELECT count(*) FROM t1}
+  } {20}
+  do_test wherelimit-2.7 {
+    # limit 5, offset -2 (no offset)
+    execsql {DELETE FROM t1 WHERE x=3 ORDER BY x LIMIT -2, 5}
+    execsql {SELECT count(*) FROM t1}
+  } {18}
+  do_test wherelimit-2.8 {
+    # limit -5 (no limit), offset -2 (no offset)
+    execsql {DELETE FROM t1 WHERE x=4 ORDER BY x LIMIT -2, -5}
+    execsql {SELECT count(*) FROM t1}
+  } {12}
+  create_test_data 6
+  do_test wherelimit-2.9 {
+    # limit 5, offset 2
+    execsql {DELETE FROM t1 WHERE x=5 ORDER BY x LIMIT 2, 5}
+    execsql {SELECT count(*) FROM t1}
+  } {32}
+  do_test wherelimit-2.10 {
+    # limit 5, offset 5
+    execsql {DELETE FROM t1 WHERE x=6 ORDER BY x LIMIT 5 OFFSET 5}
+    execsql {SELECT count(*) FROM t1}
+  } {31}
+  do_test wherelimit-2.11 {
+    # limit 50, offset 30
+    execsql {DELETE FROM t1 WHERE x=1 ORDER BY x LIMIT 50 OFFSET 30}
+    execsql {SELECT count(*) FROM t1}
+  } {31}
+  do_test wherelimit-2.12 {
+    # limit 50, offset 30
+    execsql {DELETE FROM t1 WHERE x=2 ORDER BY x LIMIT 30, 50}
+    execsql {SELECT count(*) FROM t1}
+  } {31}
+  do_test wherelimit-2.13 {
+    execsql {DELETE FROM t1 WHERE x=3 ORDER BY x LIMIT 50 OFFSET 50}
+    execsql {SELECT count(*) FROM t1}
+  } {31}
+
+
+  create_test_data 6
+  do_test wherelimit-3.0 {
+    execsql {SELECT count(*) FROM t1}
+  } {36}
+  do_test wherelimit-3.1 {
+    execsql {UPDATE t1 SET y=1 WHERE x=1}
+    execsql {SELECT count(*) FROM t1 WHERE y=1}
+  } {11}
+  create_test_data 6
+  do_test wherelimit-3.2 {
+    execsql {UPDATE t1 SET y=1 WHERE x=1 LIMIT 5}
+    execsql {SELECT count(*) FROM t1 WHERE y=1}
+  } {10}
+  do_test wherelimit-3.3 {
+    # limit 5
+    execsql {UPDATE t1 SET y=2 WHERE x=2 ORDER BY x LIMIT 5}
+    execsql {SELECT count(*) FROM t1 WHERE y=2}
+  } {9}
+  create_test_data 6
+  do_test wherelimit-3.4 {
+    # limit 5, offset 2
+    execsql {UPDATE t1 SET y=2 WHERE x=2 ORDER BY x LIMIT 5 OFFSET 2}
+    execsql {SELECT count(*) FROM t1 WHERE y=1}
+  } {6}
+  do_test wherelimit-3.5 {
+    # limit 5, offset -2
+    execsql {UPDATE t1 SET y=2 WHERE x=2 ORDER BY x LIMIT 5 OFFSET -2}
+    execsql {SELECT count(*) FROM t1 WHERE y=1}
+  } {5}
+  do_test wherelimit-3.6 {
+    # limit -5 (no limit), offset 2
+    execsql {UPDATE t1 SET y=3 WHERE x=3 ORDER BY x LIMIT 2, -5}
+    execsql {SELECT count(*) FROM t1 WHERE y=3}
+  } {8}
+  do_test wherelimit-3.7 {
+    # limit 5, offset -2 (no offset)
+    execsql {UPDATE t1 SET y=3 WHERE x=3 ORDER BY x LIMIT -2, 5}
+    execsql {SELECT count(*) FROM t1 WHERE y=3}
+  } {10}
+
+  do_test wherelimit-3.8 {
+    # limit -5 (no limit), offset -2 (no offset)
+    execsql {UPDATE t1 SET y=4 WHERE x=4 ORDER BY x LIMIT -2, -5}
+    execsql {SELECT count(*) FROM t1 WHERE y=4}
+  } {9}
+  create_test_data 6
+  do_test wherelimit-3.9 {
+    # limit 5, offset 2
+    execsql {UPDATE t1 SET y=4 WHERE x=5 ORDER BY x LIMIT 2, 5}
+    execsql {SELECT count(*) FROM t1 WHERE y=4}
+  } {9}
+  do_test wherelimit-3.10 {
+    # limit 5, offset 5
+    execsql {UPDATE t1 SET y=4 WHERE x=6 ORDER BY x LIMIT 5 OFFSET 5}
+    execsql {SELECT count(*) FROM t1 WHERE y=1}
+  } {6}
+  do_test wherelimit-3.11 {
+    # limit 50, offset 30
+    execsql {UPDATE t1 SET y=1 WHERE x=1 ORDER BY x LIMIT 50 OFFSET 30}
+    execsql {SELECT count(*) FROM t1 WHERE y=1}
+  } {6}
+  do_test wherelimit-3.12 {
+    # limit 50, offset 30
+    execsql {UPDATE t1 SET y=1 WHERE x=2 ORDER BY x LIMIT 30, 50}
+    execsql {SELECT count(*) FROM t1 WHERE y=1}
+  } {6}
+  do_test wherelimit-3.13 {
+    execsql {UPDATE t1 SET y=1 WHERE x=3 ORDER BY x LIMIT 50 OFFSET 50}
+    execsql {SELECT count(*) FROM t1 WHERE y=1}
+  } {6}
+
+}
+
+finish_test