First cut at logic to perform DO UPDATE for rowid tables.

FossilOrigin-Name: a9080bc8b8c5f3b399eb1819bb5009581f178d85bb2b2cca7bc16a7b81b06863

manifest

@@ -1,5 +1,5 @@
-C Add\sinfrastructure\sfor\sdoing\san\sUPDATE\sas\spart\sof\san\sUPSERT.\s\sStill\sno\sactual\nUPDATE\scode,\showever.
-D 2018-04-13T18:59:17.934
+C First\scut\sat\slogic\sto\sperform\sDO\sUPDATE\sfor\srowid\stables.
+D 2018-04-13T21:55:22.055
 F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
 F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
 F Makefile.in 5ce9343cba9c189046f1afe6d2bcc1f68079439febc05267b98aec6ecc752439
@@ -452,7 +452,7 @@ F src/hash.c a12580e143f10301ed5166ea4964ae2853d3905a511d4e0c44497245c7ce1f7a
 F src/hash.h ab34c5c54a9e9de2e790b24349ba5aab3dbb4fd4
 F src/hwtime.h 747c1bbe9df21a92e9c50f3bbec1de841dc5e5da
 F src/in-operator.md 10cd8f4bcd225a32518407c2fb2484089112fd71
-F src/insert.c a5955b7852bd10a61c5d3d07b48b244463a0647850442bbb1dd195f587db31e0
+F src/insert.c 04908e34a009115ce503a0802a872b878185a89e3b43066e11e0f1d176baf987
 F src/legacy.c 134ab3e3fae00a0f67a5187981d6935b24b337bcf0f4b3e5c9fa5763da95bf4e
 F src/loadext.c f6e4e416a736369f9e80eba609f0acda97148a8b0453784d670c78d3eed2f302
 F src/main.c 1648fc7a9bcfdbfd9a9a04af96ff2796c3164b3f3c7e56ed63a3c51cd11d198d
@@ -496,7 +496,7 @@ F src/shell.c.in cc960721e56ebc1a78773bb5d2f5608b54275f945cbe49e4afe919d6888062a
 F src/sqlite.h.in e0be726ea6e4e6571724d39d242472ecd8bd1ba6f84ade88e1641bde98a6d02b
 F src/sqlite3.rc 5121c9e10c3964d5755191c80dd1180c122fc3a8
 F src/sqlite3ext.h 83a3c4ce93d650bedfd1aa558cb85a516bd6d094445ee989740827d0d944368d
-F src/sqliteInt.h 063ea084f4409d03e51417bf54e8cac0e8c359e328f9c63f3724a918bc05b360
+F src/sqliteInt.h 0c303b9431fc8016eaee7d1c2b593dac01a1c152231c95b4c02aca943e4e3a24
 F src/sqliteLimit.h 1513bfb7b20378aa0041e7022d04acb73525de35b80b252f1b83fedb4de6a76b
 F src/status.c 46e7aec11f79dad50965a5ca5fa9de009f7d6bde08be2156f1538a0a296d4d0e
 F src/table.c b46ad567748f24a326d9de40e5b9659f96ffff34
@@ -557,7 +557,7 @@ F src/tokenize.c 5b0c661a85f783d35b9883830736eeb63be4aefc4f6b7d9cd081d48782c041e
 F src/treeview.c 14d5d1254702ec96876aa52642cb31548612384134970409fae333b25b39d6bb
 F src/trigger.c 00ef0b16ab3f0063439e6582086f57f3beb93cd7e7ba46569a8bdc490c16283d
 F src/update.c f5210fb55d26e20d14d0106c9479a83c63a005b70b1b5291481c48d6dac6fb9f
-F src/upsert.c bd9b5b48dd67e24916d603a86113935a7973632e7b06839d67a1a5574b6d0e47
+F src/upsert.c a82eacec45fa54a194401a1bb18745f1a65d1c964e8d86c56372c6b36a80598f
 F src/utf.c 810fbfebe12359f10bc2a011520a6e10879ab2a163bcb26c74768eab82ea62a5
 F src/util.c d9eb0a6c4aae1b00a7369eadd7ca0bbe946cb4c953b6751aa20d357c2f482157
 F src/vacuum.c 762ee9bbf8733d87d8cd06f58d950e881982e416f8c767334a40ffd341b6bff5
@@ -1719,7 +1719,7 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
 F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
 F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
 F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
-P 7353caabb31803ccff83fe188c4ee65e75c883de2beea79cbe17375a4a98d9ac
-R 1071b5501df032634a20ef86d2c223dc
+P 6d3017f92bce3e50a91fab2f605e2af8b913b1b374adbfd977299eb042683de8
+R 2377d90753cd9d2cc901deb435ebac46
 U drh
-Z be2b8a48aaf0df0cc373eed82b28fb10
+Z a8321022a56d460ca2744ec7d9e4710f

manifest.uuid

@@ -1 +1 @@
-6d3017f92bce3e50a91fab2f605e2af8b913b1b374adbfd977299eb042683de8
+a9080bc8b8c5f3b399eb1819bb5009581f178d85bb2b2cca7bc16a7b81b06863

src/insert.c

@@ -805,9 +805,12 @@ void sqlite3Insert(
     }
   }
 #ifndef SQLITE_OMIT_UPSERT
-  if( pUpsert && pUpsert->pUpsertTarget ){
+  if( pUpsert ){
     pTabList->a[0].iCursor = iDataCur;
-    sqlite3UpsertAnalyzeTarget(pParse, pTabList, pUpsert);
+    pUpsert->pUpsertSrc = pTabList;
+    if( pUpsert->pUpsertTarget ){
+      sqlite3UpsertAnalyzeTarget(pParse, pTabList, pUpsert);
+    }
   }
 #endif
 

src/sqliteInt.h

@@ -2728,6 +2728,7 @@ struct Upsert {
   Index *pUpsertIdx;        /* Constraint that pUpsertTarget identifies */
   ExprList *pUpsertSet;     /* The SET clause from an ON CONFLICT UPDATE */
   Expr *pUpsertWhere;       /* WHERE clause for the ON CONFLICT UPDATE */
+  SrcList *pUpsertSrc;      /* Table to be updated */
 };
 
 /*

src/upsert.c

@@ -189,11 +189,46 @@ void sqlite3UpsertDoUpdate(
   Table *pTab,          /* The table being updated */
   Index *pIdx,          /* The UNIQUE constraint that failed */
   int iDataCur,         /* Cursor for the pTab, table being updated */
-  int iIdxCur           /* Cursor for the pIdx */
+  int iIdxCur           /* Cursor for pIdx */
 ){
   Vdbe *v = pParse->pVdbe;
+  sqlite3 *db = pParse->db;
+  int regKey;               /* Register(s) containing the key */
+  Expr *pWhere;             /* Where clause for the UPDATE */
+  Expr *pE1, *pE2;
+  SrcList *pSrc;            /* FROM clause for the UPDATE */
+
   assert( v!=0 );
   VdbeNoopComment((v, "Begin DO UPDATE of UPSERT"));
+  pWhere = sqlite3ExprDup(db, pUpsert->pUpsertWhere, 0);
+  if( pIdx==0 || HasRowid(pTab) ){
+    /* We are dealing with an IPK */
+    regKey = ++pParse->nMem;
+    if( pIdx ){
+      sqlite3VdbeAddOp2(v, OP_IdxRowid, iIdxCur, regKey);
+    }else{
+      sqlite3VdbeAddOp2(v, OP_Rowid, iDataCur, regKey);
+    }
+    pE1 = sqlite3ExprAlloc(db, TK_COLUMN, 0, 0);
+    if( pE1 ){
+      pE1->pTab = pTab;
+      pE1->iTable = pParse->nTab;
+      pE1->iColumn = -1;
+    }
+    pE2 = sqlite3ExprAlloc(db, TK_REGISTER, 0, 0);
+    if( pE2 ){
+      pE2->iTable = regKey;
+      pE2->affinity = SQLITE_AFF_INTEGER;
+    }
+    pWhere = sqlite3ExprAnd(db,pWhere,sqlite3PExpr(pParse, TK_EQ, pE1, pE2));
+    pSrc = sqlite3SrcListDup(db, pUpsert->pUpsertSrc, 0);
+    sqlite3Update(pParse, pSrc, 
+        sqlite3ExprListDup(db, pUpsert->pUpsertSet, 0),
+        pWhere, OE_Abort, 0, 0);
+  }else{
+    /* a WITHOUT ROWID table */
+    sqlite3ExprDelete(db, pWhere);
+  }
   VdbeNoopComment((v, "End DO UPDATE of UPSERT"));
 }