Fix the preupdate hook so that it works when the "old.*" row has a column with a...

FossilOrigin-Name: 6a8c687904e92f00c1a5f768947545d2920ab9025bf8649adb0ea8053f5aec4e

diff --cc ext/session/sessionalter.test
index 34424cf275e2cfe86221978fe0b7c2e4878d761d,34424cf275e2cfe86221978fe0b7c2e4878d761d..bcff7c5357d8ad7fb7368de0dc645002977f4986
--- 1/ext/session/sessionalter.test
--- 2/ext/session/sessionalter.test
+++ b/ext/session/sessionalter.test
@@@ -202,6 -202,6 +202,7 @@@ foreach {tn sql1 at sql2} 
    
      sqlite3changegroup grp
      grp schema db main
++    breakpoint
      grp add $C1
      grp add $C2
      set T1 [grp output]

diff --cc ext/session/sqlite3session.c
index 7a8132bfa6011734ede3ab5a86e69bcb729fcaa6,72f4249234ff09bdd7eeb68d791903471d56272b..ca1b7503c0ceecc3b4d54af224ad12f3ec639b57
--- 1/ext/session/sqlite3session.c
--- 2/ext/session/sqlite3session.c
+++ b/ext/session/sqlite3session.c
@@@ -5660,6 -5662,6 +5662,9 @@@ static int sessionChangesetExtendRecord
      sessionAppendBlob(pOut, aRec, nRec, &rc);
      if( rc==SQLITE_OK && pTab->pDfltStmt==0 ){
        rc = sessionPrepareDfltStmt(pGrp->db, pTab, &pTab->pDfltStmt);
++      if( rc==SQLITE_OK && SQLITE_ROW!=sqlite3_step(pTab->pDfltStmt) ){
++        rc = sqlite3_errcode(pGrp->db);
++      }
      }
      for(ii=nCol; rc==SQLITE_OK && ii<pTab->nCol; ii++){
        int eType = sqlite3_column_type(pTab->pDfltStmt, ii);
@@@ -5676,6 -5678,6 +5681,7 @@@
            }
            if( SQLITE_OK==sessionBufferGrow(pOut, 8, &rc) ){
              sessionPutI64(&pOut->aBuf[pOut->nBuf], iVal);
++            pOut->nBuf += 8;
            }
            break;
          }

diff --cc manifest
index 2eab375cf8a925004cedf5359325fcac9ae215ce,b8687b09f60050341cde849b6c46da4c214010a4..6ec1524487c3cd465f40fdbf88923739f6c351e4
--- 1/manifest
--- 2/manifest
+++ b/manifest
@@@ -1,5 -1,5 +1,5 @@@
- C Fix\ssqlite3-rsync\sso\sthat\sit\srecognizes\sdrive-letters\son\sthe\sfront\sof\spathnames\nin\sWindows,\sand\sdoes\snot\smisinterpret\sthem\sas\shostnames.
- D 2024-09-18T15:38:05.984
+ C Fix\sthe\spreupdate\shook\sso\sthat\sit\sworks\swhen\sthe\s"old.*"\srow\shas\sa\scolumn\swith\sa\snon-NULL\sdefault\svalue\sthat\swas\sadded\sby\sALTER\sTABLE\sADD\sCOLUMN\safter\sthe\scurrent\srecord\swas\screated.
 -D 2024-09-18T15:02:27.631
++D 2024-09-18T15:52:05.754
  F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
  F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
  F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724
@@@ -575,7 -575,7 +575,7 @@@ F ext/session/sessionG.test 3efe388282d
  F ext/session/sessionH.test 71bbff6b1abb2c4ac62b84dee53273c37e0b21e5fde3aed80929403e091ef859
  F ext/session/session_common.tcl e5598096425486b363718e2cda48ee85d660c96b4f8ea9d9d7a4c3ef514769da
  F ext/session/session_speed_test.c dcf0ef58d76b70c8fbd9eab3be77cf9deb8bc1638fed8be518b62d6cbdef88b3
--F ext/session/sessionalter.test 460bdac2832a550519f6bc32e5db2c0cee94f335870aaf25a3a403a81ab20e17
++F ext/session/sessionalter.test e852acb3d2357aac7d0b920a2109da758c4331bfdf85b41d39aa3a8c18914f65
  F ext/session/sessionat.test 00c8badb35e43a2f12a716d2734a44d614ff62361979b6b85419035bc04b45ee
  F ext/session/sessionbig.test 47c381e7acfabeef17d98519a3080d69151723354d220afa2053852182ca7adf
  F ext/session/sessionchange.test 77c4702050f24270b58070e2cf01c95c3d232a3ef164b70f31974b386ce69903
@@@ -594,7 -594,7 +594,7 @@@ F ext/session/sessionrowid.test 85187c2
  F ext/session/sessionsize.test 8fcf4685993c3dbaa46a24183940ab9f5aa9ed0d23e5fb63bfffbdb56134b795
  F ext/session/sessionstat1.test 5e718d5888c0c49bbb33a7a4f816366db85f59f6a4f97544a806421b85dc2dec
  F ext/session/sessionwor.test 6fd9a2256442cebde5b2284936ae9e0d54bde692d0f5fd009ecef8511f4cf3fc
- F ext/session/sqlite3session.c c7473aafbd88f796391a8c25aa90975a8f3729ab7f4f8cf74ab9d3b014e10abe
 -F ext/session/sqlite3session.c e74d3e58d4c20e72c14c23f909e1a6c7ea71ae31129fb1685babf2cab558d613
++F ext/session/sqlite3session.c 41698a74f9bf8d82a83d270263f270333afe988e376669be60ccb18e000d7324
  F ext/session/sqlite3session.h 683ccbf16e2c2521661fc4c1cf918ce57002039efbcabcd8097fa4bca569104b
  F ext/session/test_session.c aa29abdcc9011ac02f4fa38e8ede226106eaeee7c3ea7d8b2b999a124e0c368c
  F ext/userauth/sqlite3userauth.h 7f3ea8c4686db8e40b0a0e7a8e0b00fac13aa7a3
@@@ -2213,8 -2213,11 +2213,9 @@@ F vsixtest/vsixtest.tcl 6195aba1f12a5e1
  F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
  F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
  F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
--P a63e412b6b2939422ecfa99d91fccb7a9c61e1533bb0db20ff12f3815ef41a2c
- R 64239a9e7fef3c7cc0e28ec0a65d0646
- U drh
- Z f93b9837214dfb9db0480248c539a72c
 -R 2022f5c82821db1ada9b61c2c71e65f9
 -T *branch * preupdate-hook-fix
 -T *sym-preupdate-hook-fix *
 -T -sym-trunk *
++P 54a3bbd5781f76bd73f5276b632d1107312f7a789134910793262317edd8359c 00a398cf900179aa5a8aab09fe4a671d99e7a31583282848ef39390f2ef246eb
++R ab206cf8e455565d06975b2e8cfc2717
++T +closed 00a398cf900179aa5a8aab09fe4a671d99e7a31583282848ef39390f2ef246eb
+ U dan
 -Z c649b0105c7af3011732c3c809572a4f
++Z b1eae9775aa4a20e1661adc929c01183
  # Remove this line to create a well-formed Fossil manifest.

diff --cc manifest.uuid
index 662cc718b230a045c9ae952499a151f30ae07804,14998f1fd54cd492bd3135898d57914934631a50..6197bc32308bfe1d4626ee837379037d1541792f
--- 1/manifest.uuid
--- 2/manifest.uuid
+++ b/manifest.uuid
@@@ -1,1 -1,1 +1,1 @@@
- 54a3bbd5781f76bd73f5276b632d1107312f7a789134910793262317edd8359c
 -00a398cf900179aa5a8aab09fe4a671d99e7a31583282848ef39390f2ef246eb
++6a8c687904e92f00c1a5f768947545d2920ab9025bf8649adb0ea8053f5aec4e