Prevent regular DELETE and UPDATE statements from running against contentless_unindexed=1 tables that are not also contentless_delete=1.

FossilOrigin-Name: 21539e9d0d57fdc762affbce9220d1bb1ca009d9dc751b4ccfe63eecbbe2f575

ext/fts5/fts5_main.c

@@ -332,10 +332,16 @@ static void fts5CheckTransactionState(Fts5FullTable *p, int op, int iSavepoint){
 #endif
 
 /*
-** Return true if pTab is a contentless table.
+** Return true if pTab is a contentless table. If parameter bIncludeUnindexed
+** is true, this includes contentless tables that store UNINDEXED columns
+** only.
 */
-static int fts5IsContentless(Fts5FullTable *pTab){
-  return pTab->p.pConfig->eContent==FTS5_CONTENT_NONE;
+static int fts5IsContentless(Fts5FullTable *pTab, int bIncludeUnindexed){
+  int eContent = pTab->p.pConfig->eContent;
+  return (
+    eContent==FTS5_CONTENT_NONE 
+    || (bIncludeUnindexed && eContent==FTS5_CONTENT_UNINDEXED)
+  );
 }
 
 /*
@@ -1726,9 +1732,7 @@ static int fts5SpecialInsert(
     }
     bLoadConfig = 1;
   }else if( 0==sqlite3_stricmp("rebuild", zCmd) ){
-    if( pConfig->eContent==FTS5_CONTENT_NONE 
-     || pConfig->eContent==FTS5_CONTENT_UNINDEXED
-    ){
+    if( fts5IsContentless(pTab, 1) ){
       fts5SetVtabError(pTab, 
           "'rebuild' may not be used with a contentless fts5 table"
       );
@@ -1895,7 +1899,7 @@ static int fts5UpdateMethod(
     ** This is not suported. Except - they are both supported if the CREATE
     ** VIRTUAL TABLE statement contained "contentless_delete=1". */
     if( eType0==SQLITE_INTEGER 
-     && pConfig->eContent==FTS5_CONTENT_NONE 
+     && fts5IsContentless(pTab, 1)
      && pConfig->bContentlessDelete==0
     ){
       pTab->p.base.zErrMsg = sqlite3_mprintf(
@@ -2172,7 +2176,7 @@ static int fts5ApiColumnText(
   assert( pCsr->ePlan!=FTS5_PLAN_SPECIAL );
   if( iCol<0 || iCol>=pTab->pConfig->nCol ){
     rc = SQLITE_RANGE;
-  }else if( fts5IsContentless((Fts5FullTable*)(pCsr->base.pVtab)) ){
+  }else if( fts5IsContentless((Fts5FullTable*)(pCsr->base.pVtab), 0) ){
     *pz = 0;
     *pn = 0;
   }else{
@@ -2205,7 +2209,7 @@ static int fts5CsrPoslist(
   if( iPhrase<0 || iPhrase>=sqlite3Fts5ExprPhraseCount(pCsr->pExpr) ){
     rc = SQLITE_RANGE;
   }else if( pConfig->eDetail!=FTS5_DETAIL_FULL 
-         && pConfig->eContent==FTS5_CONTENT_NONE 
+         && fts5IsContentless((Fts5FullTable*)pCsr->base.pVtab, 1)
   ){
     *pa = 0;
     *pn = 0;
@@ -2689,7 +2693,7 @@ static int fts5ApiColumnLocale(
     rc = SQLITE_RANGE;
   }else if(
       pConfig->abUnindexed[iCol]==0
-   && pConfig->eContent!=FTS5_CONTENT_NONE
+   && 0==fts5IsContentless((Fts5FullTable*)pCsr->base.pVtab, 1)
    && pConfig->bLocale
   ){
     rc = fts5SeekCursor(pCsr, 0);
@@ -2967,13 +2971,15 @@ static int fts5ColumnMethod(
     /* A column created by the user containing values. */
     int bNochange = sqlite3_vtab_nochange(pCtx);
 
-    if( fts5IsContentless(pTab) ){
-      if( bNochange && pConfig->bContentlessDelete ){
+    if( bNochange ){
+      if( pConfig->bContentlessDelete 
+       && (pConfig->eContent==FTS5_CONTENT_NONE || !pConfig->abUnindexed[iCol])
+      ){
         fts5ResultError(pCtx, "cannot UPDATE a subset of "
             "columns on fts5 contentless-delete table: %s", pConfig->zName
         );
       }
-    }else if( bNochange==0 || pConfig->eContent!=FTS5_CONTENT_NORMAL ){
+    }else if( pConfig->eContent!=FTS5_CONTENT_NONE ){
       pConfig->pzErrmsg = &pTab->p.base.zErrMsg;
       rc = fts5SeekCursor(pCsr, 1);
       if( rc==SQLITE_OK ){

ext/fts5/test/fts5unindexed2.test

@@ -201,5 +201,59 @@ do_catchsql_test 4.2 {
   );
 } {1 {contentless_unindexed=1 requires a contentless table}}
 
+do_catchsql_test 4.3 {
+  DELETE FROM ft WHERE rowid=1
+} {1 {cannot DELETE from contentless fts5 table: ft}}
+
+#-------------------------------------------------------------------------
+# Check that the usual restrictions on contentless tables apply to 
+# contentless_unindexed=1 tables.
+#
+reset_db
+do_execsql_test 5.0 {
+  CREATE VIRTUAL TABLE ft USING fts5(
+      a, b UNINDEXED, c, content='', contentless_unindexed=1
+  );
+  INSERT INTO ft VALUES('one', 'two', 'three');
+  INSERT INTO ft VALUES('four', 'five', 'six');
+  INSERT INTO ft VALUES('seven', 'eight', 'nine');
+  SELECT rowid, * FROM ft;
+} {
+  1 {} two {}
+  2 {} five {}
+  3 {} eight {}
+}
+
+do_execsql_test 5.1 {
+  PRAGMA integrity_check
+} {ok}
+
+do_catchsql_test 5.2 {
+  DELETE FROM ft WHERE rowid=2
+} {1 {cannot DELETE from contentless fts5 table: ft}}
+
+do_execsql_test 5.3 {
+  SELECT rowid, * FROM ft('six')
+} {
+  2 {} five {}
+}
+
+do_catchsql_test 5.4 {
+  UPDATE ft SET a='x', b='y', c='z' WHERE rowid=3
+} {1 {cannot UPDATE contentless fts5 table: ft}}
+
+fts5_aux_test_functions db
+
+do_execsql_test 5.5 {
+  SELECT fts5_test_columntext(ft) FROM ft WHERE rowid=3
+} {
+  {{} eight {}}
+}
+do_execsql_test 5.6 {
+  SELECT fts5_test_columntext(ft) FROM ft('three');
+} {
+  {{} two {}}
+}
+
 finish_test
 

manifest

@@ -1,5 +1,5 @@
-C Require\sthat\sthe\scontentless_unindexed=1\soption\sbe\sspecified\sbefore\sstoring\sthe\svalues\sof\sfts5\sUNINDEXED\scolumn\sbelonging\sto\scontentless\stables.
-D 2024-09-13T16:30:18.635
+C Prevent\sregular\sDELETE\sand\sUPDATE\sstatements\sfrom\srunning\sagainst\scontentless_unindexed=1\stables\sthat\sare\snot\salso\scontentless_delete=1.
+D 2024-09-25T12:03:08.340
 F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
 F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
 F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724
@@ -100,7 +100,7 @@ F ext/fts5/fts5_config.c a6633d88596758941c625b526075b85d3d9fd1089d8d9eab5db6e8a
 F ext/fts5/fts5_expr.c 9a56f53700d1860f0ee2f373c2b9074eaf2a7aa0637d0e27a6476de26a3fee33
 F ext/fts5/fts5_hash.c adda4272be401566a6e0ba1acbe70ee5cb97fce944bc2e04dc707152a0ec91b1
 F ext/fts5/fts5_index.c 571483823193f09439356741669aa8c81da838ae6f5e1bfa7517f7ee2fb3addd
-F ext/fts5/fts5_main.c be195e918c40c304f81d899f8a9b00d47ed266583dd931e22730e83b011ddadc
+F ext/fts5/fts5_main.c 0d2013bd03285f4bbcea0f4594f2cd33b68337da709da79cd46379be189d11da
 F ext/fts5/fts5_storage.c 1fbaf212042bdb363d74a48d3293b2c453a46880e86656df3ee19ade63472681
 F ext/fts5/fts5_tcl.c 4db9258a7882c5eac0da4433042132aaf15b87dd1e1636c7a6ca203abd2c8bfe
 F ext/fts5/fts5_test_mi.c 08c11ec968148d4cb4119d96d819f8c1f329812c568bac3684f5464be177d3ee
@@ -246,7 +246,7 @@ F ext/fts5/test/fts5unicode2.test 3bbd30152f9f760bf13886e5b1e5ec23ff62f56758ddda
 F ext/fts5/test/fts5unicode3.test f4891a3dac3b49c3d7c0fdb29566e9eb0ecff35263370c89f9661b1952b20818
 F ext/fts5/test/fts5unicode4.test 728c8f0caafb05567f524ad313d9f8b780fa45987b8a8df04eff87923c74b4d0
 F ext/fts5/test/fts5unindexed.test 168838d2c385e131120bbf5b516d2432a5fabc4caa2259c932e1d49ae209a4ae
-F ext/fts5/test/fts5unindexed2.test ec091c92a74d9dd8fa968c6de743982a39ab48b3f1d78e85a45865a615a982ce
+F ext/fts5/test/fts5unindexed2.test 54a924b8acc6270350898e09d56c1b942b6e3cae789b9e5f31ec7b9a3dc7953e
 F ext/fts5/test/fts5update.test b8affd796e45c94a4d19ad5c26606ea06065a0f162a9562d9f005b5a80ccf0bc
 F ext/fts5/test/fts5version.test c22d163c17e60a99f022cbc52de5a48bb7f84deaa00fe15e9bc4c3aa1996204e
 F ext/fts5/test/fts5vocab.test 2a2bdb60d0998fa3124d541b6d30b019504918dc43a6584645b63a24be72f992
@@ -2213,8 +2213,8 @@ F vsixtest/vsixtest.tcl 6195aba1f12a5e10efc2b8c0009532167be5e301abe5b31385638080
 F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
 F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
 F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
-P d2f0d19936222911bc317efecc831007d3aba81f9b32877030ffb29d1728bbdc
-R e6e3b6faf33ff387284e052d2e40ed37
+P c51dc2a5e75baacbd905cf314e7b1a58a81993ff05ca656739e028d7db25d5b2
+R 0573b4e17b15d974d21966942a753c69
 U dan
-Z 7aa60982204ecdadda49bd214e78d921
+Z 19e56c0d30986f9b0323b85fbd6aa264
 # Remove this line to create a well-formed Fossil manifest.

manifest.uuid

@@ -1 +1 @@
-c51dc2a5e75baacbd905cf314e7b1a58a81993ff05ca656739e028d7db25d5b2
+21539e9d0d57fdc762affbce9220d1bb1ca009d9dc751b4ccfe63eecbbe2f575