Preserve and return to the user any error message returned by a failed xConnect() call on an eponymous virtual table that prevents a query from being compiled.

FossilOrigin-Name: bbbbeb59a6a14b94dcbaf218cbcfbd39feba4a1df5b37c0e1a955391393eeec4

2 files changed, 4 insertions, 3 deletions

diff --git a/src/build.c b/src/build.c
index 5bf5680d4..00fa44795 100644
--- a/src/build.c
+++ b/src/build.c
@@ -453,6 +453,7 @@ Table *sqlite3LocateTable(
         pMod = sqlite3PragmaVtabRegister(db, zName);
       }
       if( pMod && sqlite3VtabEponymousTableInit(pParse, pMod) ){
+        testcase( pMod->pEpoTab==0 );
         return pMod->pEpoTab;
       }
     }
diff --git a/src/vtab.c b/src/vtab.c
index c9dcadae4..1a9457c24 100644
--- a/src/vtab.c
+++ b/src/vtab.c
@@ -1190,8 +1190,9 @@ void sqlite3VtabMakeWritable(Parse *pParse, Table *pTab){
 /*
 ** Check to see if virtual table module pMod can be have an eponymous
 ** virtual table instance.  If it can, create one if one does not already
-** exist. Return non-zero if the eponymous virtual table instance exists
-** when this routine returns, and return zero if it does not exist.
+** exist. Return non-zero if either the eponymous virtual table instance 
+** exists when this routine returns or if an attempt to create it failed
+** and an error message was left in pParse.
 **
 ** An eponymous virtual table instance is one that is named after its
 ** module, and more importantly, does not require a CREATE VIRTUAL TABLE
@@ -1230,7 +1231,6 @@ int sqlite3VtabEponymousTableInit(Parse *pParse, Module *pMod){
     sqlite3ErrorMsg(pParse, "%s", zErr);
     sqlite3DbFree(db, zErr);
     sqlite3VtabEponymousTableClear(db, pMod);
-    return 0;
   }
   return 1;
 }