Fix a harmless problem in the CLI in which SQL errors that occur during

the ".schema" command are properly ignored, yes still appear in the ".log"
output. [forum:/forumpost/42fe6520b803be51|Forum post 42fe6520b8]

FossilOrigin-Name: 20abf1ec107f942e4527901685d61283c9c2fe7bcefad63dbf5c6cbf050da849

manifest

@@ -1,5 +1,5 @@
-C Fix\san\sissue\sin\sBloom\sfilters\son\sRHS\ssubsqueries\sto\sIN\soperators.\nSee\s[forum:/forumpost/792a09cb3df9e69f|forum\spost\s792a09cb3d]\sfor\na\sdescription\sof\sthe\sproblem.\s\sAlso\simprove\scomments\srelated\nto\s[baa83b460c677c21]\swhich\swas\sorigin\sof\sthe\sproblem.
-D 2025-04-30T12:48:20.768
+C Fix\sa\sharmless\sproblem\sin\sthe\sCLI\sin\swhich\sSQL\serrors\sthat\soccur\sduring\nthe\s".schema"\scommand\sare\sproperly\signored,\syes\sstill\sappear\sin\sthe\s".log"\noutput.\s[forum:/forumpost/42fe6520b803be51|Forum\spost\s42fe6520b8]
+D 2025-04-30T14:37:00.121
 F .fossil-settings/binary-glob 61195414528fb3ea9693577e1980230d78a1f8b0a54c78cf1b9b24d0a409ed6a x
 F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
 F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
@@ -786,7 +786,7 @@ F src/random.c 606b00941a1d7dd09c381d3279a058d771f406c5213c9932bbd93d5587be4b9c
 F src/resolve.c 20e1fbe8f840ffc0cd835e33f68a802a22e34faa918d7a269f3de242fda02f99
 F src/rowset.c 8432130e6c344b3401a8874c3cb49fefe6873fec593294de077afea2dce5ec97
 F src/select.c 1a5956231f7c57571288eaad61e5c37aaf0f3acb5c8a5ea0b896938166b62fa2
-F src/shell.c.in 1e8b9bf369e80cdf9b029142e773038bc12bd38aea1c56df4af6bf7b46cae955
+F src/shell.c.in 2c904da4431fed365e7d5029b8cb2da46cb3e8cf8a09305d1478836a2301ea96
 F src/sqlite.h.in 22882ddd3a70751aa8864c81993ee4562ed54c2c508b6270f75e223ffee38e1b
 F src/sqlite3.rc 015537e6ac1eec6c7050e17b616c2ffe6f70fca241835a84a4f0d5937383c479
 F src/sqlite3ext.h 3f046c04ea3595d6bfda99b781926b17e672fd6d27da2ba6d8d8fc39981dcb54
@@ -2207,8 +2207,8 @@ F tool/version-info.c 3b36468a90faf1bbd59c65fd0eb66522d9f941eedd364fabccd7227350
 F tool/warnings-clang.sh bbf6a1e685e534c92ec2bfba5b1745f34fb6f0bc2a362850723a9ee87c1b31a7
 F tool/warnings.sh 49a486c5069de041aedcbde4de178293e0463ae9918ecad7539eedf0ec77a139
 F tool/win/sqlite.vsix deb315d026cc8400325c5863eef847784a219a2f
-P ca0d30a43b3dfb95dd6b491f592031a053b0b5e95361ffe01ec8bd56d5e2d110
-R a016079ed04d648dbdfc37d62a0ccf45
+P cdef486e212fe4b26605065d9cff08f608cb80df48ee64e4be63637769bdfacc
+R ff4dbf6198636e450976250aaa2d8234
 U drh
-Z 4df416cb1305012d324f8e35a43340cd
+Z 88680290faafcb12b4513cbfd1fe3d4f
 # Remove this line to create a well-formed Fossil manifest.

manifest.uuid

@@ -1 +1 @@
-cdef486e212fe4b26605065d9cff08f608cb80df48ee64e4be63637769bdfacc
+20abf1ec107f942e4527901685d61283c9c2fe7bcefad63dbf5c6cbf050da849

src/shell.c.in

@@ -1243,30 +1243,6 @@ static void shellDtostr(
   sqlite3_result_text(pCtx, z, -1, SQLITE_TRANSIENT);
 }
 
-
-/*
-** SQL function:  shell_module_schema(X)
-**
-** Return a fake schema for the table-valued function or eponymous virtual
-** table X.
-*/
-static void shellModuleSchema(
-  sqlite3_context *pCtx,
-  int nVal,
-  sqlite3_value **apVal
-){
-  const char *zName;
-  char *zFake;
-  UNUSED_PARAMETER(nVal);
-  zName = (const char*)sqlite3_value_text(apVal[0]);
-  zFake = zName? shellFakeSchema(sqlite3_context_db_handle(pCtx), 0, zName) : 0;
-  if( zFake ){
-    sqlite3_result_text(pCtx, sqlite3_mprintf("/* %s */", zFake),
-                        -1, sqlite3_free);
-    free(zFake);
-  }
-}
-
 /*
 ** SQL function:  shell_add_schema(S,X)
 **
@@ -5710,6 +5686,39 @@ static void shellUSleepFunc(
   sqlite3_result_int(context, sleep);
 }
 
+/*
+** SQL function:  shell_module_schema(X)
+**
+** Return a fake schema for the table-valued function or eponymous virtual
+** table X.
+*/
+static void shellModuleSchema(
+  sqlite3_context *pCtx,
+  int nVal,
+  sqlite3_value **apVal
+){
+  const char *zName;
+  char *zFake;
+  ShellState *p = (ShellState*)sqlite3_user_data(pCtx);
+  FILE *pSavedLog = p->pLog;
+  UNUSED_PARAMETER(nVal);
+  zName = (const char*)sqlite3_value_text(apVal[0]);
+
+  /* Temporarily disable the ".log" when calling shellFakeSchema() because
+  ** shellFakeSchema() might generate failures for some ephemeral virtual
+  ** tables due to missing arguments.  Example: fts4aux.
+  ** https://sqlite.org/forum/forumpost/42fe6520b803be51 */
+  p->pLog = 0;
+  zFake = zName? shellFakeSchema(sqlite3_context_db_handle(pCtx), 0, zName) : 0;
+  p->pLog = pSavedLog;
+
+  if( zFake ){
+    sqlite3_result_text(pCtx, sqlite3_mprintf("/* %s */", zFake),
+                        -1, sqlite3_free);
+    free(zFake);
+  }
+}
+
 /* Flags for open_db().
 **
 ** The default behavior of open_db() is to exit(1) if the database fails to
@@ -5853,7 +5862,7 @@ static void open_db(ShellState *p, int openFlags){
                             shellDtostr, 0, 0);
     sqlite3_create_function(p->db, "shell_add_schema", 3, SQLITE_UTF8, 0,
                             shellAddSchemaName, 0, 0);
-    sqlite3_create_function(p->db, "shell_module_schema", 1, SQLITE_UTF8, 0,
+    sqlite3_create_function(p->db, "shell_module_schema", 1, SQLITE_UTF8, p,
                             shellModuleSchema, 0, 0);
     sqlite3_create_function(p->db, "shell_putsnl", 1, SQLITE_UTF8, p,
                             shellPutsFunc, 0, 0);