From e3247822549c6ef80b33baaffb0f4698ef9861bc Mon Sep 17 00:00:00 2001
From: drh <drh@noemail.net>
Date: Tue, 21 Feb 2017 15:27:22 +0000
Subject: [PATCH] Very small enhancement to dispatch speed for SQL functions.

FossilOrigin-Name: 3c3228ed16ed8a72630bd56bb9192ee3c7f82093
---
 manifest      | 14 +++++++-------
 manifest.uuid |  2 +-
 src/vdbe.c    | 14 +++++++-------
 3 files changed, 15 insertions(+), 15 deletions(-)

diff --git a/manifest b/manifest
index b9e136d680..ec707ac5ad 100644
--- a/manifest
+++ b/manifest
@@ -1,5 +1,5 @@
-C Correct\sa\sharmless\stypo\sin\sthe\sprevious\scheck-in.
-D 2017-02-20T23:32:04.979
+C Very\ssmall\senhancement\sto\sdispatch\sspeed\sfor\sSQL\sfunctions.
+D 2017-02-21T15:27:22.044
 F Makefile.in edb6bcdd37748d2b1c3422ff727c748df7ffe918
 F Makefile.linux-gcc 7bc79876b875010e8c8f9502eb935ca92aa3c434
 F Makefile.msc a89ea37ab5928026001569f056973b9059492fe2
@@ -461,7 +461,7 @@ F src/update.c 456d4a4656f8a03c2abc88a51b19172197400e58
 F src/utf.c 699001c79f28e48e9bcdf8a463da029ea660540c
 F src/util.c ca8440ede81e155d15cff7c101654f60b55a9ae6
 F src/vacuum.c 1fe4555cd8c9b263afb85b5b4ee3a4a4181ad569
-F src/vdbe.c 16f378640570c24442fd7191b136b5d6380f5c7b
+F src/vdbe.c 16542e327eb38763490473dc0e9e9396924f30b2
 F src/vdbe.h 59998ffd71d7caa8886bc78dafaf8caeccd4c13c
 F src/vdbeInt.h 4e4b15b2e1330e1636e4e01974eab2b0b985092f
 F src/vdbeapi.c 3e4a8893feeb78620f4aac4ac5b85d92255b97e1
@@ -1556,7 +1556,7 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
 F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
 F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
 F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
-P 96b6a98e5e4cb0ddbfcd78b05bfbfcd8976e9f32
-R a6d884232566cde130b9b77412776230
-U mistachkin
-Z c97450fc686b8c32bf5204625d8622fc
+P 1589db012ef1389bf84399fccf96d143b2ac4c0f
+R e3362d21e61dd042dd5284f17843c5d9
+U drh
+Z 12602c247389d019265df8c626a67cf1
diff --git a/manifest.uuid b/manifest.uuid
index a4b5b98287..451bfd624c 100644
--- a/manifest.uuid
+++ b/manifest.uuid
@@ -1 +1 @@
-1589db012ef1389bf84399fccf96d143b2ac4c0f
\ No newline at end of file
+3c3228ed16ed8a72630bd56bb9192ee3c7f82093
\ No newline at end of file
diff --git a/src/vdbe.c b/src/vdbe.c
index 7f286b2c6d..97aa519df1 100644
--- a/src/vdbe.c
+++ b/src/vdbe.c
@@ -1669,21 +1669,21 @@ case OP_Function: {
     for(i=pCtx->argc-1; i>=0; i--) pCtx->argv[i] = &aMem[pOp->p2+i];
   }
 
-  memAboutToChange(p, pCtx->pOut);
+  memAboutToChange(p, pOut);
 #ifdef SQLITE_DEBUG
   for(i=0; i<pCtx->argc; i++){
     assert( memIsValid(pCtx->argv[i]) );
     REGISTER_TRACE(pOp->p2+i, pCtx->argv[i]);
   }
 #endif
-  MemSetTypeFlag(pCtx->pOut, MEM_Null);
+  MemSetTypeFlag(pOut, MEM_Null);
   pCtx->fErrorOrAux = 0;
   (*pCtx->pFunc->xSFunc)(pCtx, pCtx->argc, pCtx->argv);/* IMP: R-24505-23230 */
 
   /* If the function returned an error, throw an exception */
   if( pCtx->fErrorOrAux ){
     if( pCtx->isError ){
-      sqlite3VdbeError(p, "%s", sqlite3_value_text(pCtx->pOut));
+      sqlite3VdbeError(p, "%s", sqlite3_value_text(pOut));
       rc = pCtx->isError;
     }
     sqlite3VdbeDeleteAuxData(db, &p->pAuxData, pCtx->iOp, pOp->p1);
@@ -1692,12 +1692,12 @@ case OP_Function: {
 
   /* Copy the result of the function into register P3 */
   if( pOut->flags & (MEM_Str|MEM_Blob) ){
-    sqlite3VdbeChangeEncoding(pCtx->pOut, encoding);
-    if( sqlite3VdbeMemTooBig(pCtx->pOut) ) goto too_big;
+    sqlite3VdbeChangeEncoding(pOut, encoding);
+    if( sqlite3VdbeMemTooBig(pOut) ) goto too_big;
   }
 
-  REGISTER_TRACE(pOp->p3, pCtx->pOut);
-  UPDATE_MAX_BLOBSIZE(pCtx->pOut);
+  REGISTER_TRACE(pOp->p3, pOut);
+  UPDATE_MAX_BLOBSIZE(pOut);
   break;
 }