Remove two incorrect calls to structType.dipose() which prematurely freed objects in use by the virtual table test/demo code.

FossilOrigin-Name: 060eb2848975a24ff6683a8a9c4d7546ae36147323b0edae01fb42f52d9bb2d6

ext/wasm/api/sqlite3-v-helper.js

@@ -319,16 +319,6 @@ self.sqlite3ApiBootstrap.initializers.push(function(sqlite3){
     return this;
   };
 
-  /**
-     Expects to be passed the (argc,argv) arguments of
-     sqlite3_module::xFilter(), or an equivalent API.  This function
-     transforms the arguments (an array of (sqlite3_value*)) into a JS
-     array of equivalent JS values. It uses the same type conversions
-     as sqlite3_create_function_v2() and friends. Throws on error,
-     e.g. if it cannot figure out a sensible data conversion.
-  */
-  vtab.sqlite3ValuesToJs = capi.sqlite3_create_function_v2.udfConvertArgs;
-
   /**
      Internal factory function for xVtab and xCursor impls.
   */
@@ -401,6 +391,9 @@ self.sqlite3ApiBootstrap.initializers.push(function(sqlite3){
          sqlite3_vtab_cursor: to be called from any sqlite3_module methods
          which take a `sqlite3_vtab_cursor*` argument except xClose(),
          in which case use unget() or dispose().
+
+         Rule to remember: _never_ call dispose() on an instance
+         returned by this function.
       */
       get: (pCObj)=>__xWrap(pCObj),
       /**
@@ -416,6 +409,9 @@ self.sqlite3ApiBootstrap.initializers.push(function(sqlite3){
 
          sqlite3_vtab_cursor: to be called from xClose() or during
          cleanup in a failed xOpen().
+
+         Calling this method obligates the caller to call dispose() on
+         the returned object when they're done with it.
       */
       unget: (pCObj)=>__xWrap(pCObj,true),
       /**

ext/wasm/tester1.c-pp.js

@@ -1388,60 +1388,65 @@ self.sqlite3InitModule = sqlite3InitModule;
     }/*sqlite3_js_vfs_create_file()*/)
 
   ////////////////////////////////////////////////////////////////////
-    .t('Scalar UDFs', function(sqlite3){
+    .t({
-      const db = this.db;
+      name:'Scalar UDFs',
-      db.createFunction("foo",(pCx,a,b)=>a+b);
+      //predicate: ()=>false,
-      T.assert(7===db.selectValue("select foo(3,4)")).
+      test: function(sqlite3){
-        assert(5===db.selectValue("select foo(3,?)",2)).
+        const db = this.db;
-        assert(5===db.selectValue("select foo(?,?2)",[1,4])).
+        db.createFunction("foo",(pCx,a,b)=>a+b);
-        assert(5===db.selectValue("select foo($a,$b)",{$a:0,$b:5}));
+        T.assert(7===db.selectValue("select foo(3,4)")).
-      db.createFunction("bar", {
+          assert(5===db.selectValue("select foo(3,?)",2)).
-        arity: -1,
+          assert(5===db.selectValue("select foo(?,?2)",[1,4])).
-        xFunc: (pCx,...args)=>{
+          assert(5===db.selectValue("select foo($a,$b)",{$a:0,$b:5}));
-          let rc = 0;
+        db.createFunction("bar", {
-          for(const v of args) rc += v;
+          arity: -1,
-          return rc;
+          xFunc: (pCx,...args)=>{
-        }
+            let rc = 0;
-      }).createFunction({
+            for(const v of args) rc += v;
-        name: "asis",
+            return rc;
-        xFunc: (pCx,arg)=>arg
+          }
-      });
+        }).createFunction({
-      T.assert(0===db.selectValue("select bar()")).
+          name: "asis",
-        assert(1===db.selectValue("select bar(1)")).
+          xFunc: (pCx,arg)=>arg
-        assert(3===db.selectValue("select bar(1,2)")).
+        });
-        assert(-1===db.selectValue("select bar(1,2,-4)")).
+        T.assert(0===db.selectValue("select bar()")).
-        assert('hi' === db.selectValue("select asis('hi')")).
+          assert(1===db.selectValue("select bar(1)")).
-        assert('hi' === db.selectValue("select ?",'hi')).
+          assert(3===db.selectValue("select bar(1,2)")).
-        assert(null === db.selectValue("select null")).
+          assert(-1===db.selectValue("select bar(1,2,-4)")).
-        assert(null === db.selectValue("select asis(null)")).
+          assert('hi' === db.selectValue("select asis('hi')")).
-        assert(1 === db.selectValue("select ?",1)).
+          assert('hi' === db.selectValue("select ?",'hi')).
-        assert(2 === db.selectValue("select ?",[2])).
+          assert(null === db.selectValue("select null")).
-        assert(3 === db.selectValue("select $a",{$a:3})).
+          assert(null === db.selectValue("select asis(null)")).
-        assert(T.eqApprox(3.1,db.selectValue("select 3.0 + 0.1"))).
+          assert(1 === db.selectValue("select ?",1)).
-        assert(T.eqApprox(1.3,db.selectValue("select asis(1 + 0.3)")));
+          assert(2 === db.selectValue("select ?",[2])).
+          assert(3 === db.selectValue("select $a",{$a:3})).
+          assert(T.eqApprox(3.1,db.selectValue("select 3.0 + 0.1"))).
+          assert(T.eqApprox(1.3,db.selectValue("select asis(1 + 0.3)")));
 
-      let blobArg = new Uint8Array([0x68, 0x69]);
+        let blobArg = new Uint8Array([0x68, 0x69]);
-      let blobRc = db.selectValue("select asis(?1)", blobArg);
+        let blobRc = db.selectValue("select asis(?1)", blobArg);
-      T.assert(blobRc instanceof Uint8Array).
+        T.assert(blobRc instanceof Uint8Array).
-        assert(2 === blobRc.length).
+          assert(2 === blobRc.length).
-        assert(0x68==blobRc[0] && 0x69==blobRc[1]);
+          assert(0x68==blobRc[0] && 0x69==blobRc[1]);
-      blobRc = db.selectValue("select asis(X'6869')");
+        blobRc = db.selectValue("select asis(X'6869')");
-      T.assert(blobRc instanceof Uint8Array).
+        T.assert(blobRc instanceof Uint8Array).
-        assert(2 === blobRc.length).
+          assert(2 === blobRc.length).
-        assert(0x68==blobRc[0] && 0x69==blobRc[1]);
+          assert(0x68==blobRc[0] && 0x69==blobRc[1]);
 
-      blobArg = new Int8Array([0x68, 0x69]);
+        blobArg = new Int8Array([0x68, 0x69]);
-      //debug("blobArg=",blobArg);
+        //debug("blobArg=",blobArg);
-      blobRc = db.selectValue("select asis(?1)", blobArg);
+        blobRc = db.selectValue("select asis(?1)", blobArg);
-      T.assert(blobRc instanceof Uint8Array).
+        T.assert(blobRc instanceof Uint8Array).
-        assert(2 === blobRc.length);
+          assert(2 === blobRc.length);
-      //debug("blobRc=",blobRc);
+        //debug("blobRc=",blobRc);
-      T.assert(0x68==blobRc[0] && 0x69==blobRc[1]);
+        T.assert(0x68==blobRc[0] && 0x69==blobRc[1]);
+      }
     })
 
   ////////////////////////////////////////////////////////////////////
     .t({
       name: 'Aggregate UDFs',
+      //predicate: ()=>false,
       test: function(sqlite3){
         const db = this.db;
         const sjac = capi.sqlite3_js_aggregate_context;
@@ -1512,6 +1517,7 @@ self.sqlite3InitModule = sqlite3InitModule;
     .t({
       name: 'Aggregate UDFs (64-bit)',
       predicate: ()=>wasm.bigIntEnabled,
+      //predicate: ()=>false,
       test: function(sqlite3){
         const db = this.db;
         const sjac = capi.sqlite3_js_aggregate_context;
@@ -1538,6 +1544,7 @@ self.sqlite3InitModule = sqlite3InitModule;
   ////////////////////////////////////////////////////////////////////
     .t({
       name: 'Window UDFs',
+      //predicate: ()=>false,
       test: function(){
         /* Example window function, table, and results taken from:
            https://sqlite.org/windowfunctions.html#udfwinfunc */
@@ -1856,7 +1863,6 @@ self.sqlite3InitModule = sqlite3InitModule;
             xEof: function(pCursor){
               const c = VT.xCursor.get(pCursor),
                     rc = c._rowId>=10;
-              c.dispose();
               return rc;
             },
             xFilter: function(pCursor, idxNum, idxCStr,
@@ -1864,10 +1870,9 @@ self.sqlite3InitModule = sqlite3InitModule;
               try{
                 const c = VT.xCursor.get(pCursor);
                 c._rowId = 0;
-                const list = VT.sqlite3ValuesToJs(argc, argv);
+                const list = capi.sqlite3_values_to_js(argc, argv);
                 T.assert(argc === list.length);
                 //log(argc,"xFilter value(s):",list);
-                c.dispose();
                 return 0;
               }catch(e){
                 return VT.xError('xFilter',e);
@@ -2044,7 +2049,7 @@ self.sqlite3InitModule = sqlite3InitModule;
               vtabTrace("xFilter",...arguments);
               const c = VT.xCursor.get(pCursor);
               c._rowId = 0;
-              const list = VT.sqlite3ValuesToJs(argc, argv);
+              const list = capi.sqlite3_values_to_js(argc, argv);
               T.assert(argc === list.length);
             },
             xBestIndex: function(pVtab, pIdxInfo){

manifest

@@ -1,5 +1,5 @@
-C Expose\ssqlite3_column_value()\sto\sWASM\sand\sadd\ssqlite3_column_js().
+C Remove\stwo\sincorrect\scalls\sto\sstructType.dipose()\swhich\sprematurely\sfreed\sobjects\sin\suse\sby\sthe\svirtual\stable\stest/demo\scode.
-D 2022-12-10T15:13:29.279
+D 2022-12-10T15:41:47.936
 F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
 F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
 F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724
@@ -509,7 +509,7 @@ F ext/wasm/api/sqlite3-api-prologue.js 70ba9bfefacbf11727da6a8f404fccbe666353d09
 F ext/wasm/api/sqlite3-api-worker1.js e94ba98e44afccfa482874cd9acb325883ade50ed1f9f9526beb9de1711f182f
 F ext/wasm/api/sqlite3-license-version-header.js a661182fc93fc2cf212dfd0b987f8e138a3ac98f850b1112e29b5fbdaecc87c3
 F ext/wasm/api/sqlite3-opfs-async-proxy.js 7795b84b66a7a8dedc791340709b310bb497c3c72a80bef364fa2a58e2ddae3f
-F ext/wasm/api/sqlite3-v-helper.js 64bb3559446eb441ce87afe942f6f924ee135a9f069a82705ffefdcd55fc6481
+F ext/wasm/api/sqlite3-v-helper.js 6f6c3e390a72e08b0a5b16a0d567d7af3c04d172831853a29d72a6f1dd40ff24
 F ext/wasm/api/sqlite3-vfs-opfs.c-pp.js 66daf6fb6843bea615fe193109e1542efbeca24f560ee9da63375a910bb48115
 F ext/wasm/api/sqlite3-wasi.h 25356084cfe0d40458a902afb465df8c21fc4152c1d0a59b563a3fba59a068f9
 F ext/wasm/api/sqlite3-wasm.c daad00c6822facb6ceb506dadc2201c734e9128c457c93f9304df01542084216
@@ -555,7 +555,7 @@ F ext/wasm/test-opfs-vfs.html 1f2d672f3f3fce810dfd48a8d56914aba22e45c6834e262555
 F ext/wasm/test-opfs-vfs.js 44363db07b2a20e73b0eb1808de4400ca71b703af718d0fa6d962f15e73bf2ac
 F ext/wasm/tester1-worker.html d43f3c131d88f10d00aff3e328fed13c858d674ea2ff1ff90225506137f85aa9
 F ext/wasm/tester1.c-pp.html d34bef3d48e5cbc1c7c06882ad240fec49bf88f5f65696cc2c72c416933aa406
-F ext/wasm/tester1.c-pp.js 88981420cd91fa134293fc15507b4c94923dab6b3d2e9fc9a4510fdb4f4c6368
+F ext/wasm/tester1.c-pp.js 3e9f1d92d9f3464954553d0aa918cba8294451e32a38c229ce5964818f707702
 F ext/wasm/tests/opfs/concurrency/index.html 86d8ac435074d1e7007b91105f4897f368c165e8cecb6a9aa3d81f5cf5dcbe70
 F ext/wasm/tests/opfs/concurrency/test.js a98016113eaf71e81ddbf71655aa29b0fed9a8b79a3cdd3620d1658eb1cc9a5d
 F ext/wasm/tests/opfs/concurrency/worker.js 0a8c1a3e6ebb38aabbee24f122693f1fb29d599948915c76906681bb7da1d3d2
@@ -2067,8 +2067,8 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
 F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
 F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
 F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
-P 35d1d63c7d60119b64341c561294890812837d5432d1d7bed3ed88d6212fbfa0
+P 7783aa4af1331190fd1f42a71bb724041e2e82b51745f9740926e4ead83a97ed
-R 74949983660f34694e10167d70549cc3
+R 665d2c5db7dd22191a3e1edf86f2deb6
 U stephan
-Z 02a2b2f3f049d4f2376808efde37d6cf
+Z 3ceb2605e22c9be9046cc21f4a5a89d8
 # Remove this line to create a well-formed Fossil manifest.

manifest.uuid

@@ -1 +1 @@
-7783aa4af1331190fd1f42a71bb724041e2e82b51745f9740926e4ead83a97ed
+060eb2848975a24ff6683a8a9c4d7546ae36147323b0edae01fb42f52d9bb2d6