From a3b2da9889ceb5ca041ca0eb2bc8d35190aae94c Mon Sep 17 00:00:00 2001
From: drh <drh@noemail.net>
Date: Fri, 17 Mar 2017 03:21:14 +0000
Subject: Fix a problem in the enhanced PRAGMA integrity_check where it
 verifies CHECK constraints: Do not be confused by the reuse of the
 Table.pCheck field by VIEWs with named columns.  Problem discovered by
 OSS-Fuzz.

FossilOrigin-Name: 019dd3d5ba4a596c4ec3b5f0de8402c72196af0faca9138edbc0f1f4957cae60
---
 src/pragma.c | 1 +
 1 file changed, 1 insertion(+)

(limited to 'src')

diff --git a/src/pragma.c b/src/pragma.c
index 488a1d194..6c27fdc5c 100644
--- a/src/pragma.c
+++ b/src/pragma.c
@@ -1505,6 +1505,7 @@ void sqlite3Pragma(
         int iDataCur, iIdxCur;
         int r1 = -1;
 
+        if( pTab->tnum<1 ) continue;  /* Skip VIEWs or VIRTUAL TABLEs */
         if( pTab->pCheck==0
          && (pTab->tabFlags & TF_HasNotNull)==0
          && (pTab->pIndex==0 || isQuick)
-- 
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