From: dan <Dan Kennedy>
Date: Thu, 8 Aug 2024 15:42:46 +0000 (+0000)
Subject: Ensure sqlite3expert.c unregisters any SQL user-functions it registers with the datab... 
X-Git-Tag: version-3.46.1~7
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=b11e7e6aa7f89d25b0546ea88caad48f7e5c8244;p=thirdparty%2Fsqlite.git

Ensure sqlite3expert.c unregisters any SQL user-functions it registers with the database handle before returning.

FossilOrigin-Name: 270831444812d77e2b3db9534753600f9aa5c88cbf29094feeba549e860a714b
---

diff --git a/ext/expert/expert1.test b/ext/expert/expert1.test
index c456c30c52..72c4fd72cd 100644
--- a/ext/expert/expert1.test
+++ b/ext/expert/expert1.test
@@ -465,6 +465,13 @@ do_execsql_test 5.3 {
   t2 t2_idx_0001295b {100 20 5}
 }
 
+do_catchsql_test 5.4 {
+  SELECT sqlite_expert_rem(123, 123);
+} {1 {no such function: sqlite_expert_rem}}
+do_catchsql_test 5.5 {
+  SELECT sqlite_expert_sample();
+} {1 {no such function: sqlite_expert_sample}}
+
 if 0 {
 do_test expert1-6.0 {
   catchcmd :memory: {
diff --git a/ext/expert/sqlite3expert.c b/ext/expert/sqlite3expert.c
index 276c2cc9fe..b59a59728d 100644
--- a/ext/expert/sqlite3expert.c
+++ b/ext/expert/sqlite3expert.c
@@ -626,7 +626,7 @@ static int expertFilter(
   pCsr->pData = 0;
   if( rc==SQLITE_OK ){
     rc = idxPrintfPrepareStmt(pExpert->db, &pCsr->pData, &pVtab->base.zErrMsg,
-        "SELECT * FROM main.%Q WHERE sample()", pVtab->pTab->zName
+        "SELECT * FROM main.%Q WHERE sqlite_expert_sample()", pVtab->pTab->zName
     );
   }
 
@@ -1500,7 +1500,7 @@ struct IdxRemCtx {
 };
 
 /*
-** Implementation of scalar function rem().
+** Implementation of scalar function sqlite_expert_rem().
 */
 static void idxRemFunc(
   sqlite3_context *pCtx,
@@ -1513,7 +1513,7 @@ static void idxRemFunc(
   assert( argc==2 );
 
   iSlot = sqlite3_value_int(argv[0]);
-  assert( iSlot<=p->nSlot );
+  assert( iSlot<p->nSlot );
   pSlot = &p->aSlot[iSlot];
 
   switch( pSlot->eType ){
@@ -1624,7 +1624,8 @@ static int idxPopulateOneStat1(
     const char *zName = (const char*)sqlite3_column_text(pIndexXInfo, 0);
     const char *zColl = (const char*)sqlite3_column_text(pIndexXInfo, 1);
     zCols = idxAppendText(&rc, zCols, 
-        "%sx.%Q IS rem(%d, x.%Q) COLLATE %s", zComma, zName, nCol, zName, zColl
+        "%sx.%Q IS sqlite_expert_rem(%d, x.%Q) COLLATE %s", 
+        zComma, zName, nCol, zName, zColl
     );
     zOrder = idxAppendText(&rc, zOrder, "%s%d", zComma, ++nCol);
   }
@@ -1757,13 +1758,13 @@ static int idxPopulateStat1(sqlite3expert *p, char **pzErr){
 
   if( rc==SQLITE_OK ){
     sqlite3 *dbrem = (p->iSample==100 ? p->db : p->dbv);
-    rc = sqlite3_create_function(
-        dbrem, "rem", 2, SQLITE_UTF8, (void*)pCtx, idxRemFunc, 0, 0
+    rc = sqlite3_create_function(dbrem, "sqlite_expert_rem", 
+        2, SQLITE_UTF8, (void*)pCtx, idxRemFunc, 0, 0
     );
   }
   if( rc==SQLITE_OK ){
-    rc = sqlite3_create_function(
-        p->db, "sample", 0, SQLITE_UTF8, (void*)&samplectx, idxSampleFunc, 0, 0
+    rc = sqlite3_create_function(p->db, "sqlite_expert_sample", 
+        0, SQLITE_UTF8, (void*)&samplectx, idxSampleFunc, 0, 0
     );
   }
 
@@ -1815,6 +1816,9 @@ static int idxPopulateStat1(sqlite3expert *p, char **pzErr){
     rc = sqlite3_exec(p->dbm, "ANALYZE sqlite_schema", 0, 0, 0);
   }
 
+  sqlite3_create_function(p->db, "sqlite_expert_rem", 2, SQLITE_UTF8, 0,0,0,0);
+  sqlite3_create_function(p->db, "sqlite_expert_sample", 0,SQLITE_UTF8,0,0,0,0);
+
   sqlite3_exec(p->db, "DROP TABLE IF EXISTS temp."UNIQUE_TABLE_NAME,0,0,0);
   return rc;
 }
diff --git a/manifest b/manifest
index e99bf37f1c..4f523017cb 100644
--- a/manifest
+++ b/manifest
@@ -1,5 +1,5 @@
-C Do\snot\slet\sthe\snumber\sof\sterms\son\sa\sVALUES\sclause\sbe\slimited\sby\nSQLITE_LIMIT_COMPOUND_SELECT,\seven\sif\sthe\sVALUES\sclause\scontains\selements\nthat\sappear\sto\sbe\svariables\sdue\sto\sthe\suse\sof\sdouble-quoted\sstring\sliterals.
-D 2024-08-08T14:49:54.365
+C Ensure\ssqlite3expert.c\sunregisters\sany\sSQL\suser-functions\sit\sregisters\swith\sthe\sdatabase\shandle\sbefore\sreturning.
+D 2024-08-08T15:42:46.324
 F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
 F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
 F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724
@@ -57,8 +57,8 @@ F ext/consio/console_io.c f32b757c9ee7fdf68e7586bee306f8368759e7cd12febb2a683919
 F ext/consio/console_io.h 0548b83d7c4b7270ad544a67f2bb90cebc519637fa39b1838df4744cf0d87646
 F ext/expert/README.md b321c2762bb93c18ea102d5a5f7753a4b8bac646cb392b3b437f633caf2020c3
 F ext/expert/expert.c d548d603a4cc9e61f446cc179c120c6713511c413f82a4a32b1e1e69d3f086a4
-F ext/expert/expert1.test 53a749de08939e3bc14f804e97410927d46fa772cbce0247d7e8fa6fc2523b0c
-F ext/expert/sqlite3expert.c c8cea5ff15fbe792cccc4992a9b40b706411c41d32611f617897fecac6ff06a4
+F ext/expert/expert1.test 661f873fd451127edf822ef0d520088faa319135f6a15bd10be6801ac284ac9b
+F ext/expert/sqlite3expert.c 8b09aeb2b95a9fca8b6628b522bf4d69aa746ff64c38eb1e99a9b5fad8cf03b9
 F ext/expert/sqlite3expert.h ca81efc2679a92373a13a3e76a6138d0310e32be53d6c3bfaedabd158ea8969b
 F ext/expert/test_expert.c d56c194b769bdc90cf829a14c9ecbc1edca9c850b837a4d0b13be14095c32a72
 F ext/fts3/README.content b9078d0843a094d86af0d48dffbff13c906702b4c3558012e67b9c7cc3bf59ee
@@ -2191,9 +2191,9 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
 F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
 F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
 F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
-P 569824c7ff79ed1aadd2a6bce34bfcd8bf4f68db9565f56b803182adad526bc7
-Q +670beb133eb203065a75022f0c6db7c605a4e0e22c8ef6d6b4724be2663ff3dc
-R 5956e4906a5865a8a3cd97615eaa54c8
-U drh
-Z ee8bf72416287bbd114ae3210307ccd4
+P 05dbfad70c3eb39f84b91503fc9b4c1cb96843e5e6599584077b1a630936ddc7
+Q +123b154ce3b6fee1bbf483704812bd6f8538966f9687520b4470d700f0270719
+R a8307329e7c28fd3c923f24b58fddfd1
+U dan
+Z 6e3b831efc16724eb699f2665adc2c9d
 # Remove this line to create a well-formed Fossil manifest.
diff --git a/manifest.uuid b/manifest.uuid
index 2c9a5db00b..59163fb544 100644
--- a/manifest.uuid
+++ b/manifest.uuid
@@ -1 +1 @@
-05dbfad70c3eb39f84b91503fc9b4c1cb96843e5e6599584077b1a630936ddc7
+270831444812d77e2b3db9534753600f9aa5c88cbf29094feeba549e860a714b