Fix minor issues with new code on this branch.

FossilOrigin-Name: f7fa76d0963e7b34026dc20c920bfbf7961033fe2b99503f6857157595f86823

manifest

@@ -1,5 +1,5 @@
-C Merge\strunk\schanges\sinto\sthis\sbranch.
-D 2020-12-10T18:07:01.742
+C Fix\sminor\sissues\swith\snew\scode\son\sthis\sbranch.
+D 2020-12-10T19:20:15.980
 F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
 F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
 F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724
@@ -481,7 +481,7 @@ F src/auth.c a3d5bfdba83d25abed1013a8c7a5f204e2e29b0c25242a56bc02bb0c07bf1e06
 F src/backup.c 3014889fa06e20e6adfa0d07b60097eec1f6e5b06671625f476a714d2356513d
 F src/bitvec.c 17ea48eff8ba979f1f5b04cc484c7bb2be632f33
 F src/btmutex.c 8acc2f464ee76324bf13310df5692a262b801808984c1b79defb2503bbafadb6
-F src/btree.c b14822d4dd984340d8b1c46bf5d49b12ab3adf6b639c5f3b395fa541153b1ba3
+F src/btree.c de8d2a4d8dedf9187cc9019b8f882bc788ab8fe815b7f69042e880fbc11304dc
 F src/btree.h 285f8377aa1353185a32bf455faafa9ff9a0d40d074d60509534d14990c7829e
 F src/btreeInt.h 7614cae30f95b6aed0c7cac7718276a55cfe2c77058cbfd8bef5b75329757331
 F src/build.c f6449d4e85e998e14d3f537e8ea898dca2fcb83c277db3e60945af9b9177db81
@@ -612,7 +612,7 @@ F src/upsert.c 2920de71b20f04fe25eb00b655d086f0ba60ea133c59d7fa3325c49838818e78
 F src/utf.c ee39565f0843775cc2c81135751ddd93eceb91a673ea2c57f61c76f288b041a0
 F src/util.c c0c7977de7ef9b8cb10f6c85f2d0557889a658f817b0455909a49179ba4c8002
 F src/vacuum.c 492422c1463c076473bae1858799c7a0a5fe87a133d1223239447c422cd26286
-F src/vdbe.c b8ac132f98ab4edb126c7784cfd6f479aa45e476c9e873c13ecd7bd6ffdd8668
+F src/vdbe.c 808c1503dd183578d7ebcf0e517e636c6005f783daadc9a27305b10597c1142e
 F src/vdbe.h 83603854bfa5851af601fc0947671eb260f4363e62e960e8a994fb9bbcd2aaa1
 F src/vdbeInt.h 3ca5e9fd6e095a8b6cf6bc3587a46fc93499503b2fe48951e1034ba9e2ce2f6e
 F src/vdbeapi.c c5e7cb2ab89a24d7f723e87b508f21bfb1359a04db5277d8a99fd1e015c12eb9
@@ -1654,7 +1654,7 @@ F test/vacuum2.test 9fd45ce6ce29f5614c249e03938d3567c06a9e772d4f155949f8eafe2d8a
 F test/vacuum3.test 77ecdd54592b45a0bcb133339f99f1ae0ae94d0d
 F test/vacuum4.test 7ea76b769fffeb41f925303b04cbcf5a5bbeabe55e4c60ae754ff24eeeb7c010
 F test/vacuum5.test 263b144d537e92ad8e9ca8a73cc6e1583f41cfd0dda9432b87f7806174a2f48c
-F test/vacuum6.test 7d3aea27ef3c671dafccbad5adc7848205c38ab14ee7a1dabe592e0794e132d7
+F test/vacuum6.test e67488fa1341cc8034ba261807d429a8c06f4593ec1bb1651d8497d2d5df92c9
 F test/vacuummem.test 7b42abb3208bd82dd23a7536588396f295a314f2
 F test/varint.test bbce22cda8fc4d135bcc2b589574be8410614e62
 F test/veryquick.test 57ab846bacf7b90cf4e9a672721ea5c5b669b661
@@ -1889,7 +1889,7 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
 F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
 F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
 F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
-P 101cef14910d6e865a94bc870aed599321b893188062a9a61d70a9434992cf23 01841fb4bf3d6c5fd5bcbc7d1338998c50f69f84ca475fba7cf764d636714678
-R a5d793c28e830d9302f879f5ab38dd56
+P 7337eed629b4537b8fc2dc87c3c71d0a664128a91fd00f3c5f18843505beee90
+R 4dec8f74318b8721d36ac1bd02f7a778
 U dan
-Z 2458c10db91ae6ca73e242d0fd66a7be
+Z 1308f2122d2b4d2b55d5a48e115dbda3

manifest.uuid

@@ -1 +1 @@
-7337eed629b4537b8fc2dc87c3c71d0a664128a91fd00f3c5f18843505beee90
+f7fa76d0963e7b34026dc20c920bfbf7961033fe2b99503f6857157595f86823

src/btree.c

@@ -8945,6 +8945,21 @@ end_insert:
   return rc;
 }
 
+/*
+** This function is used as part of copying the current row from cursor
+** pSrc into cursor pDest. If the cursors are open on intkey tables, then
+** parameter iKey is used as the rowid value when the record is copied
+** into pDest. Otherwise, the record is copied verbatim.
+**
+** This function does not actually write the new value to cursor pDest.
+** Instead, it creates and populates any required overflow pages and
+** writes the data for the new cell into the BtShared.pTmpSpace buffer
+** for the destination database. The size of the cell, in bytes, is left
+** in BtShared.nPreformatSize. The caller completes the insertion by
+** calling sqlite3BtreeInsert() with the BTREE_PREFORMAT flag specified.
+**
+** SQLITE_OK is returned if successful, or an SQLite error code otherwise.
+*/
 int sqlite3BtreeTransferRow(BtCursor *pDest, BtCursor *pSrc, i64 iKey){
   int rc = SQLITE_OK;
   BtShared *pBt = pDest->pBt;

src/vdbe.c

@@ -3572,6 +3572,13 @@ case OP_Transaction: {
    && (iMeta!=pOp->p3
       || db->aDb[pOp->p1].pSchema->iGeneration!=pOp->p4.i)
   ){
+    /*
+    ** IMPLEMENTATION-OF: R-03189-51135 As each SQL statement runs, the schema
+    ** version is checked to ensure that the schema has not changed since the
+    ** SQL statement was prepared.
+    */
+    sqlite3DbFree(db, p->zErrMsg);
+    p->zErrMsg = sqlite3DbStrDup(db, "database schema has changed");
     /* If the schema-cookie from the database file matches the cookie 
     ** stored with the in-memory representation of the schema, do
     ** not reload the schema from the database file.
@@ -3588,13 +3595,6 @@ case OP_Transaction: {
     if( db->aDb[pOp->p1].pSchema->schema_cookie!=iMeta ){
       sqlite3ResetOneSchema(db, pOp->p1);
     }
-    /*
-    ** IMPLEMENTATION-OF: R-03189-51135 As each SQL statement runs, the schema
-    ** version is checked to ensure that the schema has not changed since the
-    ** SQL statement was prepared.
-    */
-    sqlite3DbFree(db, p->zErrMsg);
-    p->zErrMsg = sqlite3DbStrDup(db, "database schema has changed");
     p->expired = 1;
     rc = SQLITE_SCHEMA;
   }
@@ -5145,12 +5145,22 @@ case OP_Insert: {
 }
 
 /* Opcode: RowCell P1 P2 P3 * *
+**
+** P1 and P2 are both open cursors. Both must be opened on the same type
+** of table - intkey or index. This opcode is used as part of copying
+** the current row from P2 into P1. If the cursors are opened on intkey
+** tables, register P3 contains the rowid to use with the new record in
+** P1. If they are opened on index tables, P3 is not used.
+**
+** This opcode must be followed by either an Insert or InsertIdx opcode
+** with the OPFLAG_PREFORMAT flag set to complete the insert operation.
 */
 case OP_RowCell: {
   VdbeCursor *pDest;              /* Cursor to write to */
   VdbeCursor *pSrc;               /* Cursor to read from */
   i64 iKey;                       /* Rowid value to insert with */
   assert( pOp[1].opcode==OP_Insert || pOp[1].opcode==OP_IdxInsert );
+  assert( pOp[1].p5 & OPFLAG_PREFORMAT );
   pDest = p->apCsr[pOp->p1];
   pSrc = p->apCsr[pOp->p2];
   iKey = pOp->p3 ? aMem[pOp->p3].u.i : 0;

test/vacuum6.test

@@ -34,6 +34,7 @@ do_execsql_test 1.1 {
 }
 
 #-------------------------------------------------------------------------
+#
 reset_db
 foreach {tn sz} {1 400 2 4000 3 9999} {
   reset_db
@@ -69,23 +70,29 @@ do_execsql_test 3.2 {
 } {ok}
 
 #-------------------------------------------------------------------------
+#
 reset_db
 do_execsql_test 4.0 {
   CREATE TABLE tx(a, b);
   CREATE INDEX i1 ON tx(b);
   WITH s(i) AS (
-      SELECT 1 UNION ALL SELECT i+1 FROM s WHERE i<10000
+      SELECT 8000 UNION ALL SELECT i+1 FROM s WHERE i<10000
   )
   INSERT INTO tx SELECT i, randomblob(i) FROM s;
-}
-foreach {tn pgsz} {
-  1 2048
-  2 1024
-  3 65536
-  4 8192
+
+  SELECT sum(length(b)) FROM tx;
+} {18009000}
+foreach {tn pgsz av} {
+  1 2048   0
+  2 1024   1
+  3 65536  0
+  4 8192   1
+  5 512    0
+  6 4096   1
 } {
   do_execsql_test 4.1.$tn.1 "
-    PRAGMA page_size = $pgsz
+    PRAGMA page_size = $pgsz;
+    PRAGMA auto_vacuum = $av;
   "
   do_execsql_test 4.1.$tn.2 VACUUM
   integrity_check 4.1.$tn.3