From 9f24b53dcccf022ee9290f7c38872e288b1eaaa3 Mon Sep 17 00:00:00 2001
From: drh <drh@noemail.net>
Date: Mon, 5 Sep 2016 22:50:48 +0000
Subject: [PATCH] Simplified logic to extract a column from a row value.

FossilOrigin-Name: e8f105c3009e9b667db2afc0088b020a2b94d370
---
 manifest      | 12 ++++++------
 manifest.uuid |  2 +-
 src/expr.c    |  5 ++---
 3 files changed, 9 insertions(+), 10 deletions(-)

diff --git a/manifest b/manifest
index a7e3009364..dbde222f9f 100644
--- a/manifest
+++ b/manifest
@@ -1,5 +1,5 @@
-C Fix\san\sassert()\sso\sthat\sit\sdoes\sC-compiler\sdoes\snot\scombine\san\sassert()\nconditional\swith\sa\sproduction\scode\sconditional\sand\sthereby\sconfuse\sthe\smutation\ntesting\sscript.
-D 2016-09-05T19:57:46.769
+C Simplified\slogic\sto\sextract\sa\scolumn\sfrom\sa\srow\svalue.
+D 2016-09-05T22:50:48.311
 F Makefile.in cfd8fb987cd7a6af046daa87daa146d5aad0e088
 F Makefile.linux-gcc 7bc79876b875010e8c8f9502eb935ca92aa3c434
 F Makefile.msc 5017381e4853b1472e01d5bb926be1268eba429c
@@ -338,7 +338,7 @@ F src/ctime.c e77f3dc297b4b65c96da78b4ae4272fdfae863d7
 F src/date.c 95c9a8d00767e7221a8e9a31f4e913fc8029bf6b
 F src/dbstat.c 19ee7a4e89979d4df8e44cfac7a8f905ec89b77d
 F src/delete.c 76c084f0265f4a3cd1ecf17eee112a94f1ccbc05
-F src/expr.c 48b18962e32c22be92eb00ef941499f4c80efd2c
+F src/expr.c 32bbbf7ef8d0e49e346612b1832a51a3dcf41818
 F src/fault.c 160a0c015b6c2629d3899ed2daf63d75754a32bb
 F src/fkey.c e2be0968c1adc679c87e467aa5b4f167588f38a8
 F src/func.c 29cc9acb170ec1387b9f63eb52cd85f8de96c771
@@ -1522,7 +1522,7 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
 F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
 F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
 F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
-P 96269f0179a7d8fa44ee278cef362962368c59ef
-R 2715120448e06410de8fb9d7dcf49e0c
+P 2fa5288a7ef43f1fb26037c1b5e84b7b90400623
+R 7603658287e131d43381ef690aa890bc
 U drh
-Z 8e9c25e5732d609d10738e0bb4ef6b76
+Z 751e7d4fc1004371a10bd2fdff652b35
diff --git a/manifest.uuid b/manifest.uuid
index 9849952ab4..b0fd78e535 100644
--- a/manifest.uuid
+++ b/manifest.uuid
@@ -1 +1 @@
-2fa5288a7ef43f1fb26037c1b5e84b7b90400623
\ No newline at end of file
+e8f105c3009e9b667db2afc0088b020a2b94d370
\ No newline at end of file
diff --git a/src/expr.c b/src/expr.c
index 517034ca39..a21ca05d51 100644
--- a/src/expr.c
+++ b/src/expr.c
@@ -371,9 +371,8 @@ int sqlite3ExprVectorSize(Expr *pExpr){
 Expr *sqlite3VectorFieldSubexpr(Expr *pVector, int i){
   assert( i<sqlite3ExprVectorSize(pVector) );
   if( sqlite3ExprIsVector(pVector) ){
-    if( pVector->op==TK_SELECT
-     || (pVector->op==TK_REGISTER && pVector->op2==TK_SELECT)
-    ){
+    assert( pVector->op2==0 || pVector->op==TK_REGISTER );
+    if( pVector->op==TK_SELECT || pVector->op2==TK_SELECT ){
       return pVector->x.pSelect->pEList->a[i].pExpr;
     }else{
       return pVector->x.pList->a[i].pExpr;
-- 
2.47.2