Add the "nexec" and "ncycle" columns to the bytecode virtual table. For accessing counters collected when SQLITE_DBCONFIG_STMT_SCANSTATUS is enabled.

FossilOrigin-Name: f7b163a319bee9e935a4abf0bd87e16c9974cba5ae75b0cbba63c9da168f2006

manifest

@@ -1,5 +1,5 @@
-C Add\ssupport\sfor\ssqlite3_stmt_scanstatus_v2()\sprofiling\sof\sGROUP\sBY\sclauses\sthat\suse\sa\stemp\sb-tree,\sand\sfor\ssub-queries\simplemented\sas\sco-routines.
-D 2023-06-30T18:31:37.545
+C Add\sthe\s"nexec"\sand\s"ncycle"\scolumns\sto\sthe\sbytecode\svirtual\stable.\sFor\saccessing\scounters\scollected\swhen\sSQLITE_DBCONFIG_STMT_SCANSTATUS\sis\senabled.
+D 2023-06-30T18:59:10.790
 F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
 F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
 F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724
@@ -716,7 +716,7 @@ F src/vdbeblob.c 2516697b3ee8154eb8915f29466fb5d4f1ae39ee8b755ea909cefaf57ec5e2c
 F src/vdbemem.c aed58a560caab12540f7c14c43ee188636017814e21247a97902f78de2d43117
 F src/vdbesort.c 0d40dca073c94e158ead752ef4225f4fee22dee84145e8c00ca2309afb489015
 F src/vdbetrace.c fe0bc29ebd4e02c8bc5c1945f1d2e6be5927ec12c06d89b03ef2a4def34bf823
-F src/vdbevtab.c aae4bd769410eb7e1d02c42613eec961d514459b1c3c1c63cfc84e92a137daac
+F src/vdbevtab.c c3085edc48b123ca1c30d478f2a7cb326b5e4c2960b65ca8f0f0d6ebf497140a
 F src/vtab.c 1ecf8c3745d29275688d583e12822fa984d421e0286b5ef50c137bc3bf6d7a64
 F src/vxworks.h d2988f4e5a61a4dfe82c6524dd3d6e4f2ce3cdb9
 F src/wal.c cbfeeb7415baa545efa244dd34bb5af4ae953a206fed720c6fa7f1ef763ec122
@@ -2041,9 +2041,11 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
 F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
 F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
 F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
-P f936f101406069b29218c89a36581b4497226fb61906782ea368f12d943c901c 4e8718dc35dbbaf75f17265a88d14acd9750dc75efbadf41377f9c97e732009c
-R 4da01a7efae23c104b98c2eba70ec2ef
-T +closed 4e8718dc35dbbaf75f17265a88d14acd9750dc75efbadf41377f9c97e732009c
+P 7afad1f759f7ceda873c6d869422fd56fe4399c2d24d47ad9bc3b84b06d830d1
+R 4dba3e78e9c48b15e9dce867cfd3b67a
+T *branch * scanstatus-exp
+T *sym-scanstatus-exp *
+T -sym-trunk *
 U dan
-Z 8ca5997f8884b68f398b8d0f077d59ae
+Z 262a3b7e30cd989cb3c51edc832f13b0
 # Remove this line to create a well-formed Fossil manifest.

manifest.uuid

@@ -1 +1 @@
-7afad1f759f7ceda873c6d869422fd56fe4399c2d24d47ad9bc3b84b06d830d1
+f7b163a319bee9e935a4abf0bd87e16c9974cba5ae75b0cbba63c9da168f2006

src/vdbevtab.c

@@ -69,6 +69,8 @@ static int bytecodevtabConnect(
       "p5 INT,"
       "comment TEXT,"
       "subprog TEXT," 
+      "nexec INT,"
+      "ncycle INT,"
       "stmt HIDDEN"
     ");",
 
@@ -231,7 +233,7 @@ static int bytecodevtabColumn(
           }
         }
       }
-      i += 10;
+      i += 20;
     }
   }
   switch( i ){
@@ -281,16 +283,31 @@ static int bytecodevtabColumn(
       }
       break;
     }
-    case 10:  /* tables_used.type */
+
+#ifdef SQLITE_ENABLE_STMT_SCANSTATUS
+    case 9:     /* nexec */
+      sqlite3_result_int(ctx, pCur->aOp[0].nExec);
+      break;
+    case 10:    /* ncycle */
+      sqlite3_result_int(ctx, pCur->aOp[0].nCycle);
+      break;
+#else
+    case 9:     /* nexec */
+    case 10:    /* ncycle */
+      sqlite3_result_int(ctx, 0);
+      break;
+#endif
+
+    case 20:  /* tables_used.type */
       sqlite3_result_text(ctx, pCur->zType, -1, SQLITE_STATIC);
       break;
-    case 11:  /* tables_used.schema */
+    case 21:  /* tables_used.schema */
       sqlite3_result_text(ctx, pCur->zSchema, -1, SQLITE_STATIC);
       break;
-    case 12:  /* tables_used.name */
+    case 22:  /* tables_used.name */
       sqlite3_result_text(ctx, pCur->zName, -1, SQLITE_STATIC);
       break;
-    case 13:  /* tables_used.wr */
+    case 23:  /* tables_used.wr */
       sqlite3_result_int(ctx, pOp->opcode==OP_OpenWrite);
       break;
   }
@@ -364,7 +381,7 @@ static int bytecodevtabBestIndex(
   int rc = SQLITE_CONSTRAINT;
   struct sqlite3_index_constraint *p;
   bytecodevtab *pVTab = (bytecodevtab*)tab;
-  int iBaseCol = pVTab->bTablesUsed ? 4 : 8;
+  int iBaseCol = pVTab->bTablesUsed ? 4 : 10;
   pIdxInfo->estimatedCost = (double)100;
   pIdxInfo->estimatedRows = 100;
   pIdxInfo->idxNum = 0;