From b7651e6b60b08a87683462aac14f11b70f2c8855 Mon Sep 17 00:00:00 2001
From: drh <drh@noemail.net>
Date: Mon, 2 Oct 2017 23:30:45 +0000
Subject: [PATCH] Simplification to sqlite3SelectPrep() for improved
 testability.

FossilOrigin-Name: 5bf2ccb908dc6ebf7e063014b0a4bed7e3e9e0a555f78c6b4f6647adfb7209e4
---
 manifest      | 12 ++++++------
 manifest.uuid |  2 +-
 src/select.c  |  9 +++------
 3 files changed, 10 insertions(+), 13 deletions(-)

diff --git a/manifest b/manifest
index c0fed11f6c..23f302f630 100644
--- a/manifest
+++ b/manifest
@@ -1,5 +1,5 @@
-C Add\sthe\sOK_IF_ALWAYS_TRUE()\sand\sOK_IF_ALWAYS_FALSE()\smacros\sfor\smarking\nconditionals\sthat\simprove\sperformance\sbut\sdo\snot\schange\sthe\soutcome.
-D 2017-10-02T21:29:51.437
+C Simplification\sto\ssqlite3SelectPrep()\sfor\simproved\stestability.
+D 2017-10-02T23:30:45.503
 F Makefile.in 4bc36d913c2e3e2d326d588d72f618ac9788b2fd4b7efda61102611a6495c3ff
 F Makefile.linux-gcc 7bc79876b875010e8c8f9502eb935ca92aa3c434
 F Makefile.msc 6033b51b6aea702ea059f6ab2d47b1d3cef648695f787247dd4fb395fe60673f
@@ -458,7 +458,7 @@ F src/printf.c 40aee47ae9be4bd3dbdc8968bd07fddc027be8edec8daddf24d3391d36698a1c
 F src/random.c 80f5d666f23feb3e6665a6ce04c7197212a88384
 F src/resolve.c 4324a94573b1e29286f8121e4881db59eaedc014afeb274c8d3e07ed282e0e20
 F src/rowset.c 7b7e7e479212e65b723bf40128c7b36dc5afdfac
-F src/select.c 38ab76414b86e98dfa5b2fbec695c97760ccb242ee3aa275fc754fad7232b9a2
+F src/select.c c12d9b45c31182921c2aea5ab11bc0add480c6e3b47cb3400edecbbf97000fd0
 F src/shell.c c1206a23d9239f8f51751d3be9b8c3b02fa4103546bea1add7f864d84a8276ab
 F src/shell.c.in bb9720a8c5c98d3984b16ab7540e7142bcae959666ecf248bfc523a1d44220ee
 F src/sqlite.h.in ab4f8a29d1580dfaeb6891fa1b83cff8229ba0daa56994707ceaca71495d9ab7
@@ -1655,7 +1655,7 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
 F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
 F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
 F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
-P d815f255dfbcd6d64326f7bc0ad3fe3c4ff08270ca75f8836ef2a919d5e57401
-R cad5ba00a1afaf9521996fdcf47b3324
+P 6035c9b2728f47d338696978eb6fe5a7d6cb84bbea0792ef985c0986ac8f39dd
+R 7f0bb82bff2a71c21175e4e21944fba8
 U drh
-Z d8ed85ff60322b19e2b85a6468ce5a8d
+Z edd3956faff3d872b10136acafe045b5
diff --git a/manifest.uuid b/manifest.uuid
index df174ee5ea..1f15413459 100644
--- a/manifest.uuid
+++ b/manifest.uuid
@@ -1 +1 @@
-6035c9b2728f47d338696978eb6fe5a7d6cb84bbea0792ef985c0986ac8f39dd
\ No newline at end of file
+5bf2ccb908dc6ebf7e063014b0a4bed7e3e9e0a555f78c6b4f6647adfb7209e4
\ No newline at end of file
diff --git a/src/select.c b/src/select.c
index 3f98daacee..cefd2c27f5 100644
--- a/src/select.c
+++ b/src/select.c
@@ -4733,15 +4733,12 @@ void sqlite3SelectPrep(
   Select *p,             /* The SELECT statement being coded. */
   NameContext *pOuterNC  /* Name context for container */
 ){
-  sqlite3 *db;
-  if( NEVER(p==0) ) return;
-  db = pParse->db;
-  if( db->mallocFailed ) return;
+  assert( p!=0 );
   if( p->selFlags & SF_HasTypeInfo ) return;
   sqlite3SelectExpand(pParse, p);
-  if( pParse->nErr || db->mallocFailed ) return;
+  if( pParse->nErr || pParse->db->mallocFailed ) return;
   sqlite3ResolveSelectNames(pParse, p, pOuterNC);
-  if( pParse->nErr || db->mallocFailed ) return;
+  if( pParse->nErr || pParse->db->mallocFailed ) return;
   sqlite3SelectAddTypeInfo(pParse, p);
 }