From 628dfe163f6a77c757759253c2714562079df16e Mon Sep 17 00:00:00 2001
From: drh <drh@noemail.net>
Date: Mon, 3 Apr 2017 14:07:08 +0000
Subject: [PATCH] Avoid an unnecessary call to sqlite3WhereGetMask() inside of
 whereShortCut().

FossilOrigin-Name: 5c11f4303f6a33d6358f451244551be63baf9afe5630332e60b349215e20a3af
---
 manifest      | 14 +++++++-------
 manifest.uuid |  2 +-
 src/where.c   |  3 ++-
 3 files changed, 10 insertions(+), 9 deletions(-)

diff --git a/manifest b/manifest
index 2ed7a46f83..9045344b56 100644
--- a/manifest
+++ b/manifest
@@ -1,5 +1,5 @@
-C Do\snot\sattempt\sto\srun\ssync2.test\swith\sSQLITE_DISABLE_DIRSYNC\sbuilds.
-D 2017-04-03T13:59:22.968
+C Avoid\san\sunnecessary\scall\sto\ssqlite3WhereGetMask()\sinside\sof\swhereShortCut().
+D 2017-04-03T14:07:08.340
 F Makefile.in 1cc758ce3374a32425e4d130c2fe7b026b20de5b8843243de75f087c0a2661fb
 F Makefile.linux-gcc 7bc79876b875010e8c8f9502eb935ca92aa3c434
 F Makefile.msc a4c0613a18663bda56d8cf76079ab6590a7c3602e54befb4bbdef76bcaa38b6a
@@ -482,7 +482,7 @@ F src/vxworks.h d2988f4e5a61a4dfe82c6524dd3d6e4f2ce3cdb9
 F src/wal.c 40c543f0a2195d1b0dc88ef12142bea690009344
 F src/wal.h 06b2a0b599cc0f53ea97f497cf8c6b758c999f71
 F src/walker.c b71a992b413b3a022572eccf29ef4b4890223791
-F src/where.c e815093e5ee039b6b4eb19b646d22deb1a3a523f
+F src/where.c aed99e51153930ce30a6b25968fa61fabdc0160f6198e01ed3d108e9dbb49a15
 F src/whereInt.h 2d50c2b74a33be44cb68fdecee30b4d93552f1f4
 F src/wherecode.c 677e95413c472c0b413023b6b69a47f40fce1b04
 F src/whereexpr.c 130cdd1a43af71b19755270fb1224874cf55158c
@@ -1569,7 +1569,7 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
 F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
 F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
 F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
-P 86897c24c0b35ffea8df72d86a099addf67de210c6568aaba22ef92f1a60c3cf
-R ec6f0280f0b5bac989fcec1c5dd2103a
-U dan
-Z d34161eab469d9f5620a10a3616b7e4e
+P 658f08ce84b45f057843263961f6c47a322f841764134ec38f35719f0f2042d7
+R e39c693ad3e0951889c32471c5e8f7c7
+U drh
+Z c6c3b56859c36a08dcbd07df15c30b8c
diff --git a/manifest.uuid b/manifest.uuid
index 62b9cbadab..da4717fdfe 100644
--- a/manifest.uuid
+++ b/manifest.uuid
@@ -1 +1 @@
-658f08ce84b45f057843263961f6c47a322f841764134ec38f35719f0f2042d7
\ No newline at end of file
+5c11f4303f6a33d6358f451244551be63baf9afe5630332e60b349215e20a3af
\ No newline at end of file
diff --git a/src/where.c b/src/where.c
index 4f65695a3f..d9c8b55d01 100644
--- a/src/where.c
+++ b/src/where.c
@@ -4262,7 +4262,8 @@ static int whereShortCut(WhereLoopBuilder *pBuilder){
   if( pLoop->wsFlags ){
     pLoop->nOut = (LogEst)1;
     pWInfo->a[0].pWLoop = pLoop;
-    pLoop->maskSelf = sqlite3WhereGetMask(&pWInfo->sMaskSet, iCur);
+    assert( pWInfo->sMaskSet.n==1 && iCur==pWInfo->sMaskSet.ix[0] );
+    pLoop->maskSelf = 1; /* sqlite3WhereGetMask(&pWInfo->sMaskSet, iCur); */
     pWInfo->a[0].iTabCur = iCur;
     pWInfo->nRowOut = 1;
     if( pWInfo->pOrderBy ) pWInfo->nOBSat =  pWInfo->pOrderBy->nExpr;
-- 
2.47.2