From 2c7188732d7c62a0b04bc972c3b161442e693e28 Mon Sep 17 00:00:00 2001
From: dan <Dan Kennedy>
Date: Tue, 22 Jun 2021 18:32:05 +0000
Subject: [PATCH] Add the sqlite3_changes64() and sqlite3_total_changes64() API
functions.
FossilOrigin-Name: 48fdec22c966003f5577e0bf52906ef90df11e4e395723a646304e67ed976f37
---
manifest | 34 +++++++++++++++++-----------------
manifest.uuid | 2 +-
src/btree.c | 4 ++--
src/btree.h | 2 +-
src/func.c | 2 +-
src/main.c | 10 ++++++++--
src/sqlite.h.in | 21 +++++++++++++++------
src/sqliteInt.h | 6 +++---
src/tclsqlite.c | 4 ++--
src/vacuum.c | 4 ++--
src/vdbe.c | 2 +-
src/vdbeInt.h | 6 +++---
src/vdbeaux.c | 2 +-
test/changes.test | 6 ++++++
14 files changed, 63 insertions(+), 42 deletions(-)
diff --git a/manifest b/manifest
index 6b799dd407..9a44b2b29f 100644
--- a/manifest
+++ b/manifest
@@ -1,5 +1,5 @@
-C Fix\sa\sproblem\scausing\ssqlite3_changes()\sto\sreturn\san\sincorrect\svalue\sfollowing\sa\s"DELETE\sFROM\stbl"\scommand\son\san\sintkey\stable\s(because\sinternal\sb+tree\scells\swere\sbeing\sincluded\sin\sthe\scount).
-D 2021-06-22T18:06:23.070
+C Add\sthe\ssqlite3_changes64()\sand\ssqlite3_total_changes64()\sAPI\sfunctions.
+D 2021-06-22T18:32:05.878
F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724
@@ -485,8 +485,8 @@ F src/auth.c 08954fdc4cc2da5264ba5b75cfd90b67a6fc7d1710a02ccf917c38eadec77853
F src/backup.c 3014889fa06e20e6adfa0d07b60097eec1f6e5b06671625f476a714d2356513d
F src/bitvec.c 17ea48eff8ba979f1f5b04cc484c7bb2be632f33
F src/btmutex.c 8acc2f464ee76324bf13310df5692a262b801808984c1b79defb2503bbafadb6
-F src/btree.c 34f14b261a0de31a2c195c88a698e940e93e112c137845c620a7149fde493300
-F src/btree.h ace9c1c243612bb95c32d848e3f9e159340c2caefcb68412b441569f56328f65
+F src/btree.c e204a9c8fb4fe5dbb910a863ba487f4af9b5c501254ec4ccbfcdd6b1f65b7fb4
+F src/btree.h 74d64b8f28cfa4a894d14d4ed64fa432cd697b98b61708d4351482ae15913e22
F src/btreeInt.h 7bc15a24a02662409ebcd6aeaa1065522d14b7fda71573a2b0568b458f514ae0
F src/build.c ea28944f65b04f771e7aa5d614d406faa1bde5fe4ce882e2ead73049f03ed568
F src/callback.c d0b853dd413255d2e337b34545e54d888ea02f20da5ad0e63585b389624c4a6c
@@ -499,7 +499,7 @@ F src/delete.c 62451bba9fe641159e9c0b7d9d2bab1c48d0cff11e16de2d14000603d2af1fcf
F src/expr.c 30a2abf526531ce6bd45fbc85bfec0fc3f6e5a0fb490cd2350855f2fc34dd789
F src/fault.c 460f3e55994363812d9d60844b2a6de88826e007
F src/fkey.c e9063648396c58778f77583a678342fe4a9bc82436bf23c5f9f444f2df0fdaa4
-F src/func.c 9eb67f0aaf1cf439c21d6fc8afe270973d6e8345af3f1ebda98ad42186d30f5b
+F src/func.c 29264c728fc02a167eabc7c30c6c7719d8c9020f7ce5795061d25cf3322ed2d8
F src/global.c 25ba4d58476f6be29bba9d9d14f7f146b78476d3a4d75ebb8c3b736328afe0f9
F src/hash.c 8d7dda241d0ebdafb6ffdeda3149a412d7df75102cecfc1021c98d6219823b19
F src/hash.h 9d56a9079d523b648774c1784b74b89bd93fac7b365210157482e4319a468f38
@@ -508,7 +508,7 @@ F src/in-operator.md 10cd8f4bcd225a32518407c2fb2484089112fd71
F src/insert.c 2189e0e596010a0dc5405d9f14f78db1ee2fa71138c931f5b6ea96610b95bfc1
F src/legacy.c d7874bc885906868cd51e6c2156698f2754f02d9eee1bae2d687323c3ca8e5aa
F src/loadext.c 12684b3f19cd103cea97cdf14d0758196d0c646e12a898d7245141a9abfde9a4
-F src/main.c 9c06f8dc6137aaa990692ce30db1c00c3e6a574c5a4756640625c19b507c65ec
+F src/main.c c49a03dc832c479fbdce6f0bb51f20ac3c7c2541a956c8cba68a2f61c4d23ba6
F src/malloc.c cbc93cdd429c4594912017d92ab656e2579aca64dbd1c6888551275bed46f25b
F src/mem0.c 6a55ebe57c46ca1a7d98da93aaa07f99f1059645
F src/mem1.c c12a42539b1ba105e3707d0e628ad70e611040d8f5e38cf942cee30c867083de
@@ -546,14 +546,14 @@ F src/resolve.c 35630effd4d16d2373caa41bae40a3d71f853f3ad0cb4f572f2ed4b8c350c1e9
F src/rowset.c ba9515a922af32abe1f7d39406b9d35730ed65efab9443dc5702693b60854c92
F src/select.c 4fa607bab6bcc580f12dbaf9c800b2250a1e408f10321a1d3bcb1dd30c447e62
F src/shell.c.in f3e91c697f33daae14923355dcadfc26bb0c1eabdb343e5508706893e017a0a6
-F src/sqlite.h.in 8549395aa13361d5dcea04e3a57d680af10f7ee0989c45ebfffe3a3bcb2cdc3d
+F src/sqlite.h.in ee3df0ee7aa8ca2364377861bfa0ebd33b86c34d212f915147df9fc6a09b980f
F src/sqlite3.rc 5121c9e10c3964d5755191c80dd1180c122fc3a8
F src/sqlite3ext.h 61b38c073d5e1e96a3d45271b257aef27d0d13da2bea5347692ae579475cd95e
-F src/sqliteInt.h ab37a8dd95884fc25ef1eb7b6d53d6674905c67298affc2b5bf947f739096504
+F src/sqliteInt.h fccf952bd572fe52f3bd2928982bd80933308c1118fdde27f667d0de7c77fb30
F src/sqliteLimit.h d7323ffea5208c6af2734574bae933ca8ed2ab728083caa117c9738581a31657
F src/status.c 4b8bc2a6905163a38b739854a35b826c737333fab5b1f8e03fa7eb9a4799c4c1
F src/table.c 0f141b58a16de7e2fbe81c308379e7279f4c6b50eb08efeec5892794a0ba30d1
-F src/tclsqlite.c 97645e4a15dde6a6ad6de8d81057ff9869413b866015a89e208fedacd709493e
+F src/tclsqlite.c 05663f6b5010b044eac0ef22fc8fb5ea3406d2502700a898261683258042c88b
F src/test1.c 2100f4c28bae21ce83a9a0c5ec6827efd0e15d11b93b569b614daa5654b3fcf6
F src/test2.c 3efb99ab7f1fc8d154933e02ae1378bac9637da5
F src/test3.c 61798bb0d38b915067a8c8e03f5a534b431181f802659a6616f9b4ff7d872644
@@ -615,12 +615,12 @@ F src/update.c 56fa0458b1ffc1042629f926443e8ed44203983df3ab2b0db2ba556e6ceed68c
F src/upsert.c df8f1727d62b5987c4fd302cd4d7c0c84ae57cd65683c5a34a740dfe24039235
F src/utf.c ee39565f0843775cc2c81135751ddd93eceb91a673ea2c57f61c76f288b041a0
F src/util.c 41c7a72da1df47864faa378a1c720b38adb288c6838cb6be5594511b6287a048
-F src/vacuum.c 492422c1463c076473bae1858799c7a0a5fe87a133d1223239447c422cd26286
-F src/vdbe.c 226deb5bc5d88c4feb215cccaecdbe36924078737f27629fa06123d4da10f609
+F src/vacuum.c 454973a59fb20bb982efc2df568a098616db6328a0491b6e84e2e07f7333db45
+F src/vdbe.c e86894469af9c4c7824832df00f38ef727f6127080c69a7ad2f06d519c6db9aa
F src/vdbe.h 25dabb25c7e157b84e59260cfb5b466c3ac103ede9f36f4db371332c47601abe
-F src/vdbeInt.h 465fcb494db4ca6630fb9c19b2f3dfed597fbe885b0d4204193a5093b0dd7dc6
+F src/vdbeInt.h 1fc1e3581afcd3f56bdbe930639edac84ee823c034f31da97f49c35522f4c8c2
F src/vdbeapi.c aa5aaf2c37676b83af5724c6cd8207a3064ed46a217fd180957f75ac84f7a2a5
-F src/vdbeaux.c 17e5f6a491d439396296dd20427829fad14c78a6be8f84415d253ff94c31ce9a
+F src/vdbeaux.c 23f9800742b11eb6d1d775fd332a88252e44e9f7ba94b826e211a5d9dbfe0ced
F src/vdbeblob.c c6b8db50b227f66fb404215732068df76485b5b433e5f9d4d9ac27410b218193
F src/vdbemem.c 53881aa0a7845922a075b3f375695588618098871a7a4120af4c297b80fa3e64
F src/vdbesort.c cd5130f683706c1a43e165a74187745fb3351cb56052cf9dc91de820634bbde2
@@ -756,7 +756,7 @@ F test/capi3e.test 3d49c01ef2a1a55f41d73cba2b23b5059ec460fe
F test/carray01.test 3f2658bbddd75a013735a296ae2178ff441aca3f00ba623cfbae00b732ede792
F test/cast.test 336fa21989b5170ebcaf90c24266be22dd97b3e23d1fad5ecf6ad4efb04c4423
F test/cffault.test 9d6b20606afe712374952eec4f8fd74b1a8097ef
-F test/changes.test 5d39e302b1d8047897961fdd682b4ce74a8abae6a7ba921a949d12ad0c4a9673
+F test/changes.test 9dd8e597d84072122fc8a4fcdea837f4a54a461e6e536053ea984303e8ca937b
F test/check.test 4a2a91ed67eee84a6be16057c48d5198b6fb24849cd6da6cd855981de3fbb416
F test/checkfault.test da6cb3d50247169efcb20bdf57863a3ccfa1d27d9e55cd324f0680096970f014
F test/chunksize.test 427d87791743486cbf0c3b8c625002f3255cb3a89c6eba655a98923b1387b760
@@ -1919,7 +1919,7 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
-P 53f64e83b39cb56ac7211ffc80d06da13318e1da9dbca7b9123954f5be229a0d
-R b8b931728b78e63830e81de935919c1c
+P f662ff4746aaa43e63e20710b8cbfeeceab3183e953ac1685c41846d2e9d124c
+R d7ab321cd3717ae98c57b82526dde848
U dan
-Z 0889b85b76d9b21be2f69e6657d9c993
+Z 21b9ccfdea30ed9e9c32e68e5722010b
diff --git a/manifest.uuid b/manifest.uuid
index 698f3426e2..a38d536818 100644
--- a/manifest.uuid
+++ b/manifest.uuid
@@ -1 +1 @@
-f662ff4746aaa43e63e20710b8cbfeeceab3183e953ac1685c41846d2e9d124c
\ No newline at end of file
+48fdec22c966003f5577e0bf52906ef90df11e4e395723a646304e67ed976f37
\ No newline at end of file
diff --git a/src/btree.c b/src/btree.c
index f6e6ec545f..57c556cc26 100644
--- a/src/btree.c
+++ b/src/btree.c
@@ -9543,7 +9543,7 @@ static int clearDatabasePage(
BtShared *pBt, /* The BTree that contains the table */
Pgno pgno, /* Page number to clear */
int freePageFlag, /* Deallocate page if true */
- int *pnChange /* Add number of Cells freed to this counter */
+ i64 *pnChange /* Add number of Cells freed to this counter */
){
MemPage *pPage;
int rc;
@@ -9606,7 +9606,7 @@ cleardatabasepage_out:
** If pnChange is not NULL, then the integer value pointed to by pnChange
** is incremented by the number of entries in the table.
*/
-int sqlite3BtreeClearTable(Btree *p, int iTable, int *pnChange){
+int sqlite3BtreeClearTable(Btree *p, int iTable, i64 *pnChange){
int rc;
BtShared *pBt = p->pBt;
sqlite3BtreeEnter(p);
diff --git a/src/btree.h b/src/btree.h
index fe724d6bb5..f80ba4a97b 100644
--- a/src/btree.h
+++ b/src/btree.h
@@ -123,7 +123,7 @@ int sqlite3BtreeIncrVacuum(Btree *);
#define BTREE_BLOBKEY 2 /* Table has keys only - no data */
int sqlite3BtreeDropTable(Btree*, int, int*);
-int sqlite3BtreeClearTable(Btree*, int, int*);
+int sqlite3BtreeClearTable(Btree*, int, i64*);
int sqlite3BtreeClearTableOfCursor(BtCursor*);
int sqlite3BtreeTripAllCursors(Btree*, int, int);
diff --git a/src/func.c b/src/func.c
index dc19ec7222..807b4574a1 100644
--- a/src/func.c
+++ b/src/func.c
@@ -582,7 +582,7 @@ static void changes(
){
sqlite3 *db = sqlite3_context_db_handle(context);
UNUSED_PARAMETER2(NotUsed, NotUsed2);
- sqlite3_result_int(context, sqlite3_changes(db));
+ sqlite3_result_int64(context, sqlite3_changes64(db));
}
/*
diff --git a/src/main.c b/src/main.c
index a04a6bc0f2..f73f103f2a 100644
--- a/src/main.c
+++ b/src/main.c
@@ -1086,7 +1086,7 @@ void sqlite3_set_last_insert_rowid(sqlite3 *db, sqlite3_int64 iRowid){
/*
** Return the number of changes in the most recent call to sqlite3_exec().
*/
-int sqlite3_changes(sqlite3 *db){
+sqlite3_int64 sqlite3_changes64(sqlite3 *db){
#ifdef SQLITE_ENABLE_API_ARMOR
if( !sqlite3SafetyCheckOk(db) ){
(void)SQLITE_MISUSE_BKPT;
@@ -1095,11 +1095,14 @@ int sqlite3_changes(sqlite3 *db){
#endif
return db->nChange;
}
+int sqlite3_changes(sqlite3 *db){
+ return (int)sqlite3_changes64(db);
+}
/*
** Return the number of changes since the database handle was opened.
*/
-int sqlite3_total_changes(sqlite3 *db){
+sqlite3_int64 sqlite3_total_changes64(sqlite3 *db){
#ifdef SQLITE_ENABLE_API_ARMOR
if( !sqlite3SafetyCheckOk(db) ){
(void)SQLITE_MISUSE_BKPT;
@@ -1108,6 +1111,9 @@ int sqlite3_total_changes(sqlite3 *db){
#endif
return db->nTotalChange;
}
+int sqlite3_total_changes(sqlite3 *db){
+ return (int)sqlite3_total_changes64(db);
+}
/*
** Close all open savepoints. This function only manipulates fields of the
diff --git a/src/sqlite.h.in b/src/sqlite.h.in
index f8037a2d94..28c4bf01ef 100644
--- a/src/sqlite.h.in
+++ b/src/sqlite.h.in
@@ -2464,11 +2464,14 @@ void sqlite3_set_last_insert_rowid(sqlite3*,sqlite3_int64);
** CAPI3REF: Count The Number Of Rows Modified
** METHOD: sqlite3
**
-** ^This function returns the number of rows modified, inserted or
+** ^These functions return the number of rows modified, inserted or
** deleted by the most recently completed INSERT, UPDATE or DELETE
** statement on the database connection specified by the only parameter.
-** ^Executing any other type of SQL statement does not modify the value
-** returned by this function.
+** The two functions are identical except for the type of the return value
+** and that if the number of rows modified by the most recent INSERT, UPDATE
+** or DELETE is greater than the maximum value supported by type "int", then
+** the return value of sqlite3_changes() is undefined. ^Executing any other
+** type of SQL statement does not modify the value returned by these functions.
**
** ^Only changes made directly by the INSERT, UPDATE or DELETE statement are
** considered - auxiliary changes caused by [CREATE TRIGGER | triggers],
@@ -2517,16 +2520,21 @@ void sqlite3_set_last_insert_rowid(sqlite3*,sqlite3_int64);
** </ul>
*/
int sqlite3_changes(sqlite3*);
+sqlite3_int64 sqlite3_changes64(sqlite3*);
/*
** CAPI3REF: Total Number Of Rows Modified
** METHOD: sqlite3
**
-** ^This function returns the total number of rows inserted, modified or
+** ^These functions return the total number of rows inserted, modified or
** deleted by all [INSERT], [UPDATE] or [DELETE] statements completed
** since the database connection was opened, including those executed as
-** part of trigger programs. ^Executing any other type of SQL statement
-** does not affect the value returned by sqlite3_total_changes().
+** part of trigger programs. The two functions are identical except for the
+** type of the return value and that if the number of rows modified by the
+** connection exceeds the maximum value supported by type "int", then
+** the return value of sqlite3_total_changes() is undefined. ^Executing
+** any other type of SQL statement does not affect the value returned by
+** sqlite3_total_changes().
**
** ^Changes made as part of [foreign key actions] are included in the
** count, but those made as part of REPLACE constraint resolution are
@@ -2554,6 +2562,7 @@ int sqlite3_changes(sqlite3*);
** </ul>
*/
int sqlite3_total_changes(sqlite3*);
+sqlite3_int64 sqlite3_total_changes64(sqlite3*);
/*
** CAPI3REF: Interrupt A Long-Running Query
diff --git a/src/sqliteInt.h b/src/sqliteInt.h
index 91af412bbd..6906d7ed57 100644
--- a/src/sqliteInt.h
+++ b/src/sqliteInt.h
@@ -1522,8 +1522,8 @@ struct sqlite3 {
u8 nSqlExec; /* Number of pending OP_SqlExec opcodes */
int nextPagesize; /* Pagesize after VACUUM if >0 */
u32 magic; /* Magic number for detect library misuse */
- int nChange; /* Value returned by sqlite3_changes() */
- int nTotalChange; /* Value returned by sqlite3_total_changes() */
+ i64 nChange; /* Value returned by sqlite3_changes() */
+ i64 nTotalChange; /* Value returned by sqlite3_total_changes() */
int aLimit[SQLITE_N_LIMIT]; /* Limits */
int nMaxSorterMmap; /* Maximum size of regions mapped by sorter */
struct sqlite3InitInfo { /* Information used during initialization */
@@ -4741,7 +4741,7 @@ Expr *sqlite3ExprSkipCollateAndLikely(Expr*);
int sqlite3CheckCollSeq(Parse *, CollSeq *);
int sqlite3WritableSchema(sqlite3*);
int sqlite3CheckObjectName(Parse*, const char*,const char*,const char*);
-void sqlite3VdbeSetChanges(sqlite3 *, int);
+void sqlite3VdbeSetChanges(sqlite3 *, i64);
int sqlite3AddInt64(i64*,i64);
int sqlite3SubInt64(i64*,i64);
int sqlite3MulInt64(i64*,i64);
diff --git a/src/tclsqlite.c b/src/tclsqlite.c
index 2206bca321..8874ab7699 100644
--- a/src/tclsqlite.c
+++ b/src/tclsqlite.c
@@ -2207,7 +2207,7 @@ static int SQLITE_TCLAPI DbObjCmd(
return TCL_ERROR;
}
pResult = Tcl_GetObjResult(interp);
- Tcl_SetIntObj(pResult, sqlite3_changes(pDb->db));
+ Tcl_SetWideIntObj(pResult, sqlite3_changes64(pDb->db));
break;
}
@@ -3255,7 +3255,7 @@ deserialize_error:
return TCL_ERROR;
}
pResult = Tcl_GetObjResult(interp);
- Tcl_SetIntObj(pResult, sqlite3_total_changes(pDb->db));
+ Tcl_SetWideIntObj(pResult, sqlite3_total_changes64(pDb->db));
break;
}
diff --git a/src/vacuum.c b/src/vacuum.c
index 93e2307d1a..be0e17535d 100644
--- a/src/vacuum.c
+++ b/src/vacuum.c
@@ -151,8 +151,8 @@ SQLITE_NOINLINE int sqlite3RunVacuum(
Btree *pTemp; /* The temporary database we vacuum into */
u32 saved_mDbFlags; /* Saved value of db->mDbFlags */
u64 saved_flags; /* Saved value of db->flags */
- int saved_nChange; /* Saved value of db->nChange */
- int saved_nTotalChange; /* Saved value of db->nTotalChange */
+ i64 saved_nChange; /* Saved value of db->nChange */
+ i64 saved_nTotalChange; /* Saved value of db->nTotalChange */
u32 saved_openFlags; /* Saved value of db->openFlags */
u8 saved_mTrace; /* Saved trace settings */
Db *pDb = 0; /* Database to detach at end of vacuum */
diff --git a/src/vdbe.c b/src/vdbe.c
index 6623009aac..e21e0a55f0 100644
--- a/src/vdbe.c
+++ b/src/vdbe.c
@@ -6250,7 +6250,7 @@ case OP_Destroy: { /* out2 */
** See also: Destroy
*/
case OP_Clear: {
- int nChange;
+ i64 nChange;
sqlite3VdbeIncrWriteCounter(p, 0);
nChange = 0;
diff --git a/src/vdbeInt.h b/src/vdbeInt.h
index b6e0288807..4a41c43a52 100644
--- a/src/vdbeInt.h
+++ b/src/vdbeInt.h
@@ -180,8 +180,8 @@ struct VdbeFrame {
int nMem; /* Number of entries in aMem */
int nChildMem; /* Number of memory cells for child frame */
int nChildCsr; /* Number of cursors for child frame */
- int nChange; /* Statement changes (Vdbe.nChange) */
- int nDbChange; /* Value of db->nChange */
+ i64 nChange; /* Statement changes (Vdbe.nChange) */
+ i64 nDbChange; /* Value of db->nChange */
};
/* Magic number for sanity checking on VdbeFrame objects */
@@ -388,7 +388,7 @@ struct Vdbe {
u32 cacheCtr; /* VdbeCursor row cache generation counter */
int pc; /* The program counter */
int rc; /* Value to return */
- int nChange; /* Number of db changes made since last reset */
+ i64 nChange; /* Number of db changes made since last reset */
int iStatement; /* Statement number (or 0 if has no opened stmt) */
i64 iCurrentTime; /* Value of julianday('now') for this statement */
i64 nFkConstraint; /* Number of imm. FK constraints this VM */
diff --git a/src/vdbeaux.c b/src/vdbeaux.c
index edbf062749..7f08b5d25b 100644
--- a/src/vdbeaux.c
+++ b/src/vdbeaux.c
@@ -5009,7 +5009,7 @@ int sqlite3VdbeIdxKeyCompare(
** This routine sets the value to be returned by subsequent calls to
** sqlite3_changes() on the database handle 'db'.
*/
-void sqlite3VdbeSetChanges(sqlite3 *db, int nChange){
+void sqlite3VdbeSetChanges(sqlite3 *db, i64 nChange){
assert( sqlite3_mutex_held(db->mutex) );
db->nChange = nChange;
db->nTotalChange += nChange;
diff --git a/test/changes.test b/test/changes.test
index 3b31c50c0d..21db075f96 100644
--- a/test/changes.test
+++ b/test/changes.test
@@ -16,6 +16,12 @@ set testdir [file dirname $argv0]
source $testdir/tester.tcl
set testprefix changes
+# To test that the change-counters do not suffer from 32-bit signed integer
+# rollover, add the following line to the array of test cases below. The
+# test will take will over an hour to run.
+#
+# 7 (1<<31)+10 ""
+#
foreach {tn nRow wor} {
1 50 ""