Avoid unnecessary calls to sqlite3CodeRowTrigger().

FossilOrigin-Name: 27c174dbd0e7ba029d13fb005fc950ac99eb6aee31903ee3acfc88c262d13f6a

manifest

@@ -1,5 +1,5 @@
-C Performance\soptimization\sin\ssqlite3VdbeAddOp4Int().
-D 2023-06-20T11:46:32.054
+C Avoid\sunnecessary\scalls\sto\ssqlite3CodeRowTrigger().
+D 2023-06-20T15:48:24.095
 F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
 F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
 F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724
@@ -585,7 +585,7 @@ F src/ctime.c 20507cc0b0a6c19cd882fcd0eaeda32ae6a4229fb4b024cfdf3183043d9b703d
 F src/date.c f73f203b3877cef866c60ab402aec2bf89597219b60635cf50cbe3c5e4533e94
 F src/dbpage.c f3eea5f7ec47e09ee7da40f42b25092ecbe961fc59566b8e5f705f34335b2387
 F src/dbstat.c ec92074baa61d883de58c945162d9e666c13cd7cf3a23bc38b4d1c4d0b2c2bef
-F src/delete.c 092d745aa08969204a351711193e7f34de449ea57755eacbd11f1c316e9f7673
+F src/delete.c dd66efbf15d7ba8cb6eaea54ea622404dc0acfac13a4a3e93d11bb2ab5e2ca36
 F src/expr.c 36f6a47c8a2c20ec3c267a60fc598857876edd60af0cb40caf7b69b651fd73bf
 F src/fault.c 460f3e55994363812d9d60844b2a6de88826e007
 F src/fkey.c a7fcbf7e66d14dbb73cf49f31489ebf66d0e6006c62b95246924a3bae9f37b36
@@ -701,7 +701,7 @@ F src/threads.c 4ae07fa022a3dc7c5beb373cf744a85d3c5c6c3c
 F src/tokenize.c 0fb405f9adf3f757c26bfc1ae6d58ac5dccbb918917ba9e5ef0e6673a06563d3
 F src/treeview.c 1d52fbc4e97161e65858d36e3424ea6e3fc045dd8a679c82b4b9593dc30de3bd
 F src/trigger.c ad6ab9452715fa9a8075442e15196022275b414b9141b566af8cdb7a1605f2b0
-F src/update.c cff5ce391a6ffb2125ed7b5d44f3ce1f16af87ad8b9cee1c62bad1ee87d496ed
+F src/update.c 0aa36561167a7c40d01163238c297297962f31a15a8d742216b3c37cdf25f731
 F src/upsert.c 5303dc6c518fa7d4b280ec65170f465c7a70b7ac2b22491598f6d0b4875b3145
 F src/utf.c ee39565f0843775cc2c81135751ddd93eceb91a673ea2c57f61c76f288b041a0
 F src/util.c 6f9d2f278dcc8d41c618980cd3cfe88e1bafc0626209b917c6773d8202d29ef6
@@ -2040,8 +2040,8 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
 F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
 F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
 F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
-P 73d86a12fb068456a884c030fddd87020d6ec9d56376de541cf082b2104174d3
-R e345b05058b93b72d8898bf3dab13eb9
+P 456a24324bd42e1e3384ffa8474b7d0760b27df95be0e92ddce5eb87339f6272
+R 843715142f9a30cee13aead6d0c8eda5
 U drh
-Z 7f6eefa040de5107043d546e2fa46ab7
+Z 1a9508153d1d617ff7444415bb27334e
 # Remove this line to create a well-formed Fossil manifest.

manifest.uuid

@@ -1 +1 @@
-456a24324bd42e1e3384ffa8474b7d0760b27df95be0e92ddce5eb87339f6272
+27c174dbd0e7ba029d13fb005fc950ac99eb6aee31903ee3acfc88c262d13f6a

src/delete.c

@@ -862,9 +862,11 @@ void sqlite3GenerateRowDelete(
   sqlite3FkActions(pParse, pTab, 0, iOld, 0, 0);
 
   /* Invoke AFTER DELETE trigger programs. */
-  sqlite3CodeRowTrigger(pParse, pTrigger,
-      TK_DELETE, 0, TRIGGER_AFTER, pTab, iOld, onconf, iLabel
-  );
+  if( pTrigger ){
+    sqlite3CodeRowTrigger(pParse, pTrigger,
+        TK_DELETE, 0, TRIGGER_AFTER, pTab, iOld, onconf, iLabel
+    );
+  }
 
   /* Jump here if the row had already been deleted before any BEFORE
   ** trigger programs were invoked. Or if a trigger program throws a

src/update.c

@@ -1117,8 +1117,10 @@ void sqlite3Update(
     sqlite3VdbeAddOp2(v, OP_AddImm, regRowCount, 1);
   }
 
-  sqlite3CodeRowTrigger(pParse, pTrigger, TK_UPDATE, pChanges,
-      TRIGGER_AFTER, pTab, regOldRowid, onError, labelContinue);
+  if( pTrigger ){
+    sqlite3CodeRowTrigger(pParse, pTrigger, TK_UPDATE, pChanges,
+        TRIGGER_AFTER, pTab, regOldRowid, onError, labelContinue);
+  }
 
   /* Repeat the above with the next record to be updated, until
   ** all record selected by the WHERE clause have been updated.