From 567b069e427b7fea8fedfe5fc5efdd74fbece03c Mon Sep 17 00:00:00 2001
From: drh <>
Date: Thu, 30 Mar 2023 19:05:48 +0000
Subject: [PATCH] Earlier error detection for index expression usage by
 aggregate functions. dbsqlfuzz 29214ace4e25c98d2ddff8fbcf97afdda23f28b9

FossilOrigin-Name: 8e841e7f025f7205959453875f2d9db36271642045593970a2b2fc20b2f847c3
---
 manifest      | 12 ++++++------
 manifest.uuid |  2 +-
 src/expr.c    |  5 ++++-
 3 files changed, 11 insertions(+), 8 deletions(-)

diff --git a/manifest b/manifest
index 3fada7c74c..0dac7c6ea6 100644
--- a/manifest
+++ b/manifest
@@ -1,5 +1,5 @@
-C Omit\sa\sbranch\sthat\sis\sno\slonger\sneeded\sfollowing\s[c9c4f287652933eb].
-D 2023-03-30T16:08:54.466
+C Earlier\serror\sdetection\sfor\sindex\sexpression\susage\sby\saggregate\sfunctions.\ndbsqlfuzz\s29214ace4e25c98d2ddff8fbcf97afdda23f28b9
+D 2023-03-30T19:05:48.274
 F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
 F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
 F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724
@@ -575,7 +575,7 @@ F src/date.c f21815ca7172ce073db3163ac54c8d9f2841077165c1a6123b4d1c376a0c7ec7
 F src/dbpage.c d47549716549311f79dc39fe5c8fb19390a6eb2c960f8e37c89a9c4de0c1052e
 F src/dbstat.c ec92074baa61d883de58c945162d9e666c13cd7cf3a23bc38b4d1c4d0b2c2bef
 F src/delete.c a9c6d3f51c0a31e9b831e0a0580a98d702904b42d216fee530940e40dec34873
-F src/expr.c e35eb0f324645e172cab367403e17701332a21f7af0f2ef6d0a6de08fb1f4fbe
+F src/expr.c 5f2b5f25a90aa4ff1c84d175b1adf790be8f8719f3b38851e2b5b293e0e5e916
 F src/fault.c 460f3e55994363812d9d60844b2a6de88826e007
 F src/fkey.c 722f20779f5342a787922deded3628d8c74b5249cab04098cf17ee2f2aaff002
 F src/func.c d187be57a886ddf4e6b7ef584a494361899be3df5eee6d4a747b68ff4aff4122
@@ -2052,8 +2052,8 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
 F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
 F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
 F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
-P 8724fe7426da55d19dba7b30e09321ba30c73286513864cb05de32f72e50ee31
-R 1624b0eb89a914d1ae752ba25df52cd1
+P 960a488a2db92f5437bc8171cdbed44618d9381c57fd41b2f0e357b6012c80b5
+R 4f561ce7d94ebba6771f71291846cad2
 U drh
-Z 7c95356d2ffe255785c95c9a7696e988
+Z 91fc03feb4d1edcaf09570adbf0b39df
 # Remove this line to create a well-formed Fossil manifest.
diff --git a/manifest.uuid b/manifest.uuid
index 1d2da30e59..17864e80e2 100644
--- a/manifest.uuid
+++ b/manifest.uuid
@@ -1 +1 @@
-960a488a2db92f5437bc8171cdbed44618d9381c57fd41b2f0e357b6012c80b5
\ No newline at end of file
+8e841e7f025f7205959453875f2d9db36271642045593970a2b2fc20b2f847c3
\ No newline at end of file
diff --git a/src/expr.c b/src/expr.c
index e5a16ca77e..4b536a8435 100644
--- a/src/expr.c
+++ b/src/expr.c
@@ -6452,6 +6452,7 @@ static int analyzeAggregate(Walker *pWalker, Expr *pExpr){
       if( pIEpr==0 ) break;
       if( NEVER(!ExprUseYTab(pExpr)) ) break;
       if( pExpr->pAggInfo!=0 ) break; /* Already resolved by outer context */
+      if( pParse->nErr ){ return WRC_Abort; }
 
       /* If we reach this point, it means that expression pExpr can be
       ** translated into a reference to an index column as described by
@@ -6462,7 +6463,9 @@ static int analyzeAggregate(Walker *pWalker, Expr *pExpr){
       tmp.iTable = pIEpr->iIdxCur;
       tmp.iColumn = pIEpr->iIdxCol;
       findOrCreateAggInfoColumn(pParse, pAggInfo, &tmp);
-      if( pParse->nErr ) return WRC_Abort;
+      if( pParse->nErr ){ return WRC_Abort; }
+      assert( pAggInfo->aCol!=0 );
+      assert( tmp.iAgg<pAggInfo->nColumn );
       pAggInfo->aCol[tmp.iAgg].pCExpr = pExpr;
       pExpr->pAggInfo = pAggInfo;
       pExpr->iAgg = tmp.iAgg;
-- 
2.47.2