Expose sqlite3_db_status() and sqlite3_db_config() to wasm, noting that the latter requires several internal wrappers to account for the various varidic forms (C varargs cannot be bound to wasm).

FossilOrigin-Name: d5753668915c1db204fa80153614653243081ffaddea22f26ad59bb1836948b9

ext/wasm/api/EXPORTED_FUNCTIONS.sqlite3-api

@@ -39,6 +39,7 @@ _sqlite3_data_count
 _sqlite3_db_filename
 _sqlite3_db_handle
 _sqlite3_db_name
+_sqlite3_db_status
 _sqlite3_declare_vtab
 _sqlite3_deserialize
 _sqlite3_drop_modules

ext/wasm/api/sqlite3-api-glue.js

@@ -614,6 +614,7 @@ self.sqlite3ApiBootstrap.initializers.push(function(sqlite3){
     //console.debug('wasm.ctype length =',wasm.cstrlen(cJson));
     const defineGroups = ['access', 'authorizer',
                           'blobFinalizers', 'dataTypes',
+                          'dbConfig', 'dbStatus',
                           'encodings', 'fcntl', 'flock', 'ioCap',
                           'limits', 'openFlags',
                           'prepareFlags', 'resultCodes',

ext/wasm/api/sqlite3-api-prologue.js

@@ -946,6 +946,7 @@ self.sqlite3ApiBootstrap = function sqlite3ApiBootstrap(
     ["sqlite3_db_filename", "string", "sqlite3*", "string"],
     ["sqlite3_db_handle", "sqlite3*", "sqlite3_stmt*"],
     ["sqlite3_db_name", "string", "sqlite3*", "int"],
+    ["sqlite3_db_status", "int", "sqlite3*", "int", "*", "*", "int"],
     ["sqlite3_deserialize", "int", "sqlite3*", "string", "*", "i64", "i64", "int"]
     /* Careful! Short version: de/serialize() are problematic because they
        might use a different allocator than the user for managing the
@@ -1601,6 +1602,51 @@ self.sqlite3ApiBootstrap = function sqlite3ApiBootstrap(
 
   }/* main-window-only bits */
 
+  /**
+     Wraps all known variants of the C-side variadic
+     sqlite3_db_config().
+
+     Full docs: https://sqlite.org/c3ref/db_config.html
+
+     Returns capi.SQLITE_MISUSE if op is not a valid operation ID.
+  */
+  capi.sqlite3_db_config = function f(pDb, op, ...args){
+    if(!this.s){
+      this.s = wasm.xWrap('sqlite3_wasm_db_config_s','int',
+                          ['sqlite3*', 'int', 'string:static']
+                          /* MAINDBNAME requires a static string */);
+      this.pii = wasm.xWrap('sqlite3_wasm_db_config_pii', 'int',
+                            ['sqlite3*', 'int', '*','int', 'int']);
+      this.ip = wasm.xWrap('sqlite3_wasm_db_config_ip','int',
+                           ['sqlite3*', 'int', 'int','*']);
+    }
+    const c = capi;
+    switch(op){
+        case c.SQLITE_DBCONFIG_ENABLE_FKEY:
+        case c.SQLITE_DBCONFIG_ENABLE_TRIGGER:
+        case c.SQLITE_DBCONFIG_ENABLE_FTS3_TOKENIZER:
+        case c.SQLITE_DBCONFIG_ENABLE_LOAD_EXTENSION:
+        case c.SQLITE_DBCONFIG_NO_CKPT_ON_CLOSE:
+        case c.SQLITE_DBCONFIG_ENABLE_QPSG:
+        case c.SQLITE_DBCONFIG_TRIGGER_EQP:
+        case c.SQLITE_DBCONFIG_RESET_DATABASE:
+        case c.SQLITE_DBCONFIG_DEFENSIVE:
+        case c.SQLITE_DBCONFIG_WRITABLE_SCHEMA:
+        case c.SQLITE_DBCONFIG_LEGACY_ALTER_TABLE:
+        case c.SQLITE_DBCONFIG_DQS_DML:
+        case c.SQLITE_DBCONFIG_DQS_DDL:
+        case c.SQLITE_DBCONFIG_ENABLE_VIEW:
+        case c.SQLITE_DBCONFIG_LEGACY_FILE_FORMAT:
+        case c.SQLITE_DBCONFIG_TRUSTED_SCHEMA:
+          return this.ip(pDb, op, args[0], args[1] || 0);
+        case c.SQLITE_DBCONFIG_LOOKASIDE:
+          return this.pii(pDb, op, args[0], args[1], args[2]);
+        case c.SQLITE_DBCONFIG_MAINDBNAME:
+          return this.s(pDb, op, args[0]);
+        default:
+          return c.SQLITE_MISUSE;
+    }
+  }.bind(Object.create(null));
 
   /* The remainder of the API will be set up in later steps. */
   const sqlite3 = {

ext/wasm/api/sqlite3-wasm.c

@@ -430,6 +430,45 @@ const char * sqlite3_wasm_enum_json(void){
     DefInt(SQLITE_NULL);
   } _DefGroup;
 
+  DefGroup(dbConfig){
+    DefInt(SQLITE_DBCONFIG_MAINDBNAME);
+    DefInt(SQLITE_DBCONFIG_LOOKASIDE);
+    DefInt(SQLITE_DBCONFIG_ENABLE_FKEY);
+    DefInt(SQLITE_DBCONFIG_ENABLE_TRIGGER);
+    DefInt(SQLITE_DBCONFIG_ENABLE_FTS3_TOKENIZER);
+    DefInt(SQLITE_DBCONFIG_ENABLE_LOAD_EXTENSION);
+    DefInt(SQLITE_DBCONFIG_NO_CKPT_ON_CLOSE);
+    DefInt(SQLITE_DBCONFIG_ENABLE_QPSG);
+    DefInt(SQLITE_DBCONFIG_TRIGGER_EQP);
+    DefInt(SQLITE_DBCONFIG_RESET_DATABASE);
+    DefInt(SQLITE_DBCONFIG_DEFENSIVE);
+    DefInt(SQLITE_DBCONFIG_WRITABLE_SCHEMA);
+    DefInt(SQLITE_DBCONFIG_LEGACY_ALTER_TABLE);
+    DefInt(SQLITE_DBCONFIG_DQS_DML);
+    DefInt(SQLITE_DBCONFIG_DQS_DDL);
+    DefInt(SQLITE_DBCONFIG_ENABLE_VIEW);
+    DefInt(SQLITE_DBCONFIG_LEGACY_FILE_FORMAT);
+    DefInt(SQLITE_DBCONFIG_TRUSTED_SCHEMA);
+    DefInt(SQLITE_DBCONFIG_MAX);
+  } _DefGroup;
+
+  DefGroup(dbStatus){
+    DefInt(SQLITE_DBSTATUS_LOOKASIDE_USED);
+    DefInt(SQLITE_DBSTATUS_CACHE_USED);
+    DefInt(SQLITE_DBSTATUS_SCHEMA_USED);
+    DefInt(SQLITE_DBSTATUS_STMT_USED);
+    DefInt(SQLITE_DBSTATUS_LOOKASIDE_HIT);
+    DefInt(SQLITE_DBSTATUS_LOOKASIDE_MISS_SIZE);
+    DefInt(SQLITE_DBSTATUS_LOOKASIDE_MISS_FULL);
+    DefInt(SQLITE_DBSTATUS_CACHE_HIT);
+    DefInt(SQLITE_DBSTATUS_CACHE_MISS);
+    DefInt(SQLITE_DBSTATUS_CACHE_WRITE);
+    DefInt(SQLITE_DBSTATUS_DEFERRED_FKS);
+    DefInt(SQLITE_DBSTATUS_CACHE_USED_SHARED);
+    DefInt(SQLITE_DBSTATUS_CACHE_SPILL);
+    DefInt(SQLITE_DBSTATUS_MAX);
+  } _DefGroup;
+
   DefGroup(encodings) {
     /* Noting that the wasm binding only aims to support UTF-8. */
     DefInt(SQLITE_UTF8);
@@ -1292,7 +1331,69 @@ int sqlite3_wasm_vtab_config(sqlite3 *pDb, int op, int arg){
   default:
     return SQLITE_MISUSE;
   }
+}
 
+/*
+** This function is NOT part of the sqlite3 public API. It is strictly
+** for use by the sqlite project's own JS/WASM bindings.
+**
+** Wrapper for the variants of sqlite3_db_config() which take
+** (int,int*) variadic args.
+*/
+SQLITE_WASM_KEEP
+int sqlite3_wasm_db_config_ip(sqlite3 *pDb, int op, int arg1, int* pArg2){
+  switch(op){
+    case SQLITE_DBCONFIG_ENABLE_FKEY:
+    case SQLITE_DBCONFIG_ENABLE_TRIGGER:
+    case SQLITE_DBCONFIG_ENABLE_FTS3_TOKENIZER:
+    case SQLITE_DBCONFIG_ENABLE_LOAD_EXTENSION:
+    case SQLITE_DBCONFIG_NO_CKPT_ON_CLOSE:
+    case SQLITE_DBCONFIG_ENABLE_QPSG:
+    case SQLITE_DBCONFIG_TRIGGER_EQP:
+    case SQLITE_DBCONFIG_RESET_DATABASE:
+    case SQLITE_DBCONFIG_DEFENSIVE:
+    case SQLITE_DBCONFIG_WRITABLE_SCHEMA:
+    case SQLITE_DBCONFIG_LEGACY_ALTER_TABLE:
+    case SQLITE_DBCONFIG_DQS_DML:
+    case SQLITE_DBCONFIG_DQS_DDL:
+    case SQLITE_DBCONFIG_ENABLE_VIEW:
+    case SQLITE_DBCONFIG_LEGACY_FILE_FORMAT:
+    case SQLITE_DBCONFIG_TRUSTED_SCHEMA:
+      return sqlite3_db_config(pDb, op, arg1, pArg2);
+    default: return SQLITE_MISUSE;
+  }
+}
+
+/*
+** This function is NOT part of the sqlite3 public API. It is strictly
+** for use by the sqlite project's own JS/WASM bindings.
+**
+** Wrapper for the variants of sqlite3_db_config() which take
+** (void*,int,int) variadic args.
+*/
+SQLITE_WASM_KEEP
+int sqlite3_wasm_db_config_pii(sqlite3 *pDb, int op, void * pArg1, int arg2, int arg3){
+  switch(op){
+    case SQLITE_DBCONFIG_LOOKASIDE:
+      return sqlite3_db_config(pDb, op, pArg1, arg2, arg3);
+    default: return SQLITE_MISUSE;
+  }
+}
+
+/*
+** This function is NOT part of the sqlite3 public API. It is strictly
+** for use by the sqlite project's own JS/WASM bindings.
+**
+** Wrapper for the variants of sqlite3_db_config() which take
+** (const char *) variadic args.
+*/
+SQLITE_WASM_KEEP
+int sqlite3_wasm_db_config_s(sqlite3 *pDb, int op, const char *zArg){
+  switch(op){
+    case SQLITE_DBCONFIG_MAINDBNAME:
+      return sqlite3_db_config(pDb, op, zArg);
+    default: return SQLITE_MISUSE;
+  }
 }
 
 

ext/wasm/tester1.c-pp.js

@@ -1056,6 +1056,32 @@ self.sqlite3InitModule = sqlite3InitModule;
         .assert(db === sqlite3.oo1.DB.checkRc(db,0))
         .assert(null === sqlite3.oo1.DB.checkRc(null,0))
     })
+  ////////////////////////////////////////////////////////////////////
+    .t('sqlite3_db_config() and sqlite3_db_status()', function(sqlite3){
+      let rc = capi.sqlite3_db_config(this.db, capi.SQLITE_DBCONFIG_LEGACY_ALTER_TABLE, 0, 0);
+      T.assert(0===rc);
+      rc = capi.sqlite3_db_config(this.db, capi.SQLITE_DBCONFIG_MAX+1, 0);
+      T.assert(capi.SQLITE_MISUSE === rc);
+      rc = capi.sqlite3_db_config(this.db, capi.SQLITE_DBCONFIG_MAINDBNAME, "main");
+      T.assert(0 === rc);
+      const stack = wasm.pstack.pointer;
+      try {
+        const [pCur, pHi] = wasm.pstack.allocPtr(2);
+        rc = capi.sqlite3_db_status(this.db, capi.SQLITE_DBSTATUS_LOOKASIDE_USED,
+                                    pCur, pHi, 0);
+        T.assert(0===rc);
+        if(wasm.getMemValue(pCur, 'i32')){
+          warn("Cannot test db_config(SQLITE_DBCONFIG_LOOKASIDE)",
+               "while lookaside memory is in use.");
+        }else{
+          rc = capi.sqlite3_db_config(this.db, capi.SQLITE_DBCONFIG_LOOKASIDE,
+                                      0, 4096, 12);
+          T.assert(0 === rc);
+        }
+        }finally{
+        wasm.pstack.restore(stack);
+      }
+    })
 
   ////////////////////////////////////////////////////////////////////
     .t('DB.Stmt', function(S){

manifest

@@ -1,5 +1,5 @@
-C Reorganization\sand\srenaming\sin\sthe\snew\sVFS/vtab\sJS\spieces.
+C Expose\ssqlite3_db_status()\sand\ssqlite3_db_config()\sto\swasm,\snoting\sthat\sthe\slatter\srequires\sseveral\sinternal\swrappers\sto\saccount\sfor\sthe\svarious\svaridic\sforms\s(C\svarargs\scannot\sbe\sbound\sto\swasm).
-D 2022-12-09T00:50:39.739
+D 2022-12-09T01:49:17.464
 F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
 F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
 F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724
@@ -494,7 +494,7 @@ F ext/wasm/EXPORTED_FUNCTIONS.fiddle.in 27450c8b8c70875a260aca55435ec927068b34ce
 F ext/wasm/GNUmakefile 54c0db93a5493f625c0a993c12aee5d83951440eee03b2aecfc8aeb998182998
 F ext/wasm/README-dist.txt 2d670b426fc7c613b90a7d2f2b05b433088fe65181abead970980f0a4a75ea20
 F ext/wasm/README.md ef39861aa21632fdbca0bdd469f78f0096f6449a720f3f39642594af503030e9
-F ext/wasm/api/EXPORTED_FUNCTIONS.sqlite3-api ffa70413409e922ce0f761779787a1d9100b34b43c8e3106bb7ccf2786a41326
+F ext/wasm/api/EXPORTED_FUNCTIONS.sqlite3-api 454a421ba99164c0d1e4d4778a1d59a22a786e31d59115ad9ecb31669bd2625d
 F ext/wasm/api/EXPORTED_RUNTIME_METHODS.sqlite3-api 1ec3c73e7d66e95529c3c64ac3de2470b0e9e7fbf7a5b41261c367cf4f1b7287
 F ext/wasm/api/README.md 17fb1e10335cc87e366dec496c5b17b061f3f75cdf216e825258de34d97a3e53
 F ext/wasm/api/extern-post-js.c-pp.js 8923f76c3d2213159e12d641dc750523ead5c848185dc4996fae5cc12397f88d
@@ -503,16 +503,16 @@ F ext/wasm/api/post-js-footer.js cd0a8ec768501d9bd45d325ab0442037fb0e33d1f3b4f08
 F ext/wasm/api/post-js-header.js 47b6b281f39ad59fa6e8b658308cd98ea292c286a68407b35ff3ed9cfd281a62
 F ext/wasm/api/pre-js.c-pp.js b88499dc303c21fc3f55f2c364a0f814f587b60a95784303881169f9e91c1d5f
 F ext/wasm/api/sqlite3-api-cleanup.js 680d5ccfff54459db136a49b2199d9f879c8405d9c99af1dda0cc5e7c29056f4
-F ext/wasm/api/sqlite3-api-glue.js 8fa55af37c9880f94a803f32591dc0304750cc2f750048daf41fe942757bee64
+F ext/wasm/api/sqlite3-api-glue.js f4b3a04200a694312ff6e944b0d22c5b1833341da39ce0a83370d4be379fca7a
 F ext/wasm/api/sqlite3-api-oo1.js e9e6da5f9e4d7d309fe4c338a22fb38575e831cddd10d6506fba7ddc180df6e6
-F ext/wasm/api/sqlite3-api-prologue.js 1380e933325c11786b2afc93fc8ff88c2fd1ffeac3e0081da35e5a7317f20e09
+F ext/wasm/api/sqlite3-api-prologue.js b603821ec13c1f2c61d50e8d451d031dee03b1d8bd4822a831b14959049e0de8
 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 edcf2dd0caab42aeac41e41e3e97a36d1ada4eb2fdd02cda4488c5b9f9144e0b
 F ext/wasm/api/sqlite3-vfs-opfs.c-pp.js 78133d710bee4c48a1a30262b44a284bc017a3751caa7967bdc030f5d0178daa
 F ext/wasm/api/sqlite3-wasi.h 25356084cfe0d40458a902afb465df8c21fc4152c1d0a59b563a3fba59a068f9
-F ext/wasm/api/sqlite3-wasm.c 97034ab4f40ec1fac71ccfaf3afffdca6b1ea2dcd95b7871527bad0f34e152b0
+F ext/wasm/api/sqlite3-wasm.c 5d61665dec993e401535730ba536e207e780ed12d7455b6f0a5be48ab5654924
 F ext/wasm/api/sqlite3-worker1-promiser.js 0c7a9826dbf82a5ed4e4f7bf7816e825a52aff253afbf3350431f5773faf0e4b
 F ext/wasm/api/sqlite3-worker1.js 1e54ea3d540161bcfb2100368a2fc0cad871a207b8336afee1c445715851ec54
 F ext/wasm/batch-runner.html 4deeed44fe41496dc6898d9fb17938ea3291f40f4bfb977e29d0cef96fbbe4c8
@@ -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 6be7c89efbf4110ca55475755e14d23b34d7ca835f4775552e02ef47bac0a648
+F ext/wasm/tester1.c-pp.js 187c7da47ea74ece38226138cebbc62fdad7fe405e0669ed5a1d572e68b8992b
 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 0fe71287c953bd813a34ba383f5debd4d1fc8bf3c74e1e27adacec0d6e207ded
+P 1c2dda177a11fcc5b66e5554507c23ba4b9948a710b3bccfb26963b9851d40a4
-R 0f31cb3eb615ba1b41f313a7cb7afe85
+R e63e150c49d1be6488417c0c1dafd2a0
 U stephan
-Z 3328c6b1aad7d12dae010d17db3f3e30
+Z ddcdedc140c2db0b3c3d65ae7d339a90
 # Remove this line to create a well-formed Fossil manifest.

manifest.uuid

@@ -1 +1 @@
-1c2dda177a11fcc5b66e5554507c23ba4b9948a710b3bccfb26963b9851d40a4
+d5753668915c1db204fa80153614653243081ffaddea22f26ad59bb1836948b9