From d91eba96734ecea60ac584c314bca11ea8bc5685 Mon Sep 17 00:00:00 2001
From: drh <drh@noemail.net>
Date: Sat, 8 Dec 2012 00:52:14 +0000
Subject: [PATCH] Recognize TK_COLLATE operators that have been transformed
 into TK_REGISTER. Skip both TK_COLLATE and TK_AS operators when looking for
 the top of an expression.

FossilOrigin-Name: f66c1db2965054f38125218202b6a6ec62d57666
---
 manifest      | 12 ++++++------
 manifest.uuid |  2 +-
 src/expr.c    |  9 ++++++---
 3 files changed, 13 insertions(+), 10 deletions(-)

diff --git a/manifest b/manifest
index 7389441669..b053670e8d 100644
--- a/manifest
+++ b/manifest
@@ -1,5 +1,5 @@
-C Improved\serror\smessages\swhen\scolumn\sintegers\sin\san\sORDER\sBY\sclause\sare\s\nout\sof\srange.
-D 2012-12-07T23:23:53.894
+C Recognize\sTK_COLLATE\soperators\sthat\shave\sbeen\stransformed\sinto\sTK_REGISTER.\nSkip\sboth\sTK_COLLATE\sand\sTK_AS\soperators\swhen\slooking\sfor\sthe\stop\sof\san\nexpression.
+D 2012-12-08T00:52:14.756
 F Makefile.arm-wince-mingw32ce-gcc d6df77f1f48d690bd73162294bbba7f59507c72f
 F Makefile.in 690d441a758cbffd13e814dc2724a721a6ebd400
 F Makefile.linux-gcc 91d710bdc4998cb015f39edf3cb314ec4f4d7e23
@@ -130,7 +130,7 @@ F src/complete.c dc1d136c0feee03c2f7550bafc0d29075e36deac
 F src/ctime.c 72a70dcfda75d3a1f81041ce4573e7afddcd8e4e
 F src/date.c 067a81c9942c497aafd2c260e13add8a7d0c7dd4
 F src/delete.c 9b8d308979114991e5dc7cee958316e07186941d
-F src/expr.c 6b50dcc885e8f898e6ba97457d1b2305b78cc8d0
+F src/expr.c 7b3659c3dc5fb667a1c47262182b79495ab3c19d
 F src/fault.c 160a0c015b6c2629d3899ed2daf63d75754a32bb
 F src/fkey.c ddf44f8ce43b91623e8687fd940c6bf3882d9480
 F src/func.c 8147799b048065a1590805be464d05b4913e652c
@@ -1025,7 +1025,7 @@ F tool/vdbe-compress.tcl f12c884766bd14277f4fcedcae07078011717381
 F tool/warnings-clang.sh f6aa929dc20ef1f856af04a730772f59283631d4
 F tool/warnings.sh fbc018d67fd7395f440c28f33ef0f94420226381
 F tool/win/sqlite.vsix 97894c2790eda7b5bce3cc79cb2a8ec2fde9b3ac
-P 8e724b383da1314909c9a05e9d941a26a9f50b95
-R 881a229233da2a5bfc26c84533c04750
+P bd960d937f8d6521c8ec4b7bd8a77a498dd432d4
+R 186ed0129944dda9e365917ac59a8e17
 U drh
-Z a8bde7d83f4cf51f4dbb6d352a9305a4
+Z a53089f14a1e3e28e1b6c68901d1de44
diff --git a/manifest.uuid b/manifest.uuid
index 55db2ef471..127f567337 100644
--- a/manifest.uuid
+++ b/manifest.uuid
@@ -1 +1 @@
-bd960d937f8d6521c8ec4b7bd8a77a498dd432d4
\ No newline at end of file
+f66c1db2965054f38125218202b6a6ec62d57666
\ No newline at end of file
diff --git a/src/expr.c b/src/expr.c
index 0e4a3cb1f3..abba7d4ffa 100644
--- a/src/expr.c
+++ b/src/expr.c
@@ -85,10 +85,13 @@ Expr *sqlite3ExprAddCollateString(Parse *pParse, Expr *pExpr, const char *zC){
 }
 
 /*
-** Skip over any TK_COLLATE operator in an expression.
+** Skip over any TK_COLLATE and/or TK_AS operators at the root of
+** an expression.
 */
 Expr *sqlite3ExprSkipCollate(Expr *pExpr){
-  if( pExpr && pExpr->op==TK_COLLATE ) pExpr = pExpr->pLeft;
+  while( pExpr && (pExpr->op==TK_COLLATE || pExpr->op==TK_AS) ){
+    pExpr = pExpr->pLeft;
+  }
   return pExpr;
 }
 
@@ -111,7 +114,7 @@ CollSeq *sqlite3ExprCollSeq(Parse *pParse, Expr *pExpr){
       p = p->pLeft;
       continue;
     }
-    if( op==TK_COLLATE ){
+    if( op==TK_COLLATE || (op==TK_REGISTER && p->op2==TK_COLLATE) ){
       if( db->init.busy ){
         /* Do not report errors when parsing while the schema */
         pColl = sqlite3FindCollSeq(db, ENC(db), p->u.zToken, 0);