From: dan <Dan Kennedy>
Date: Wed, 15 Apr 2026 11:07:58 +0000 (+0000)
Subject: Handle the case where the name of the constraint in an "ALTER TABLE DROP CONSTRAINT... 
X-Git-Url: http://git.ipfire.org/gitweb/?a=commitdiff_plain;h=c71e6dd054d908cc5d8b659f1747b8052e83eaa5;p=thirdparty%2Fsqlite.git

Handle the case where the name of the constraint in an "ALTER TABLE DROP CONSTRAINT" command is quoted. [forum:8bfbaec404 | Forum post 8bfbaec404].

FossilOrigin-Name: 7f5afb12f4a5d35cfe6b95f17d85ce85ce62159515bfe26fb9c67d3ce26b6d4a
---

diff --git a/manifest b/manifest
index 2e732cbe6d..b98659e36c 100644
--- a/manifest
+++ b/manifest
@@ -1,5 +1,5 @@
-C Minor\sdoc\stypo\sfixes\scontributed\sby\sBrickViking.
-D 2026-04-14T23:53:38.692
+C Handle\sthe\scase\swhere\sthe\sname\sof\sthe\sconstraint\sin\san\s"ALTER\sTABLE\sDROP\sCONSTRAINT"\scommand\sis\squoted.\s[forum:8bfbaec404\s|\sForum\spost\s8bfbaec404].
+D 2026-04-15T11:07:58.998
 F .fossil-settings/binary-glob 61195414528fb3ea9693577e1980230d78a1f8b0a54c78cf1b9b24d0a409ed6a x
 F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
 F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
@@ -667,7 +667,7 @@ F mptest/multiwrite01.test dab5c5f8f9534971efce679152c5146da265222d
 F sqlite.pc.in 42b7bf0d02e08b9e77734a47798d1a55a9e0716b
 F sqlite3.1 1b9c24374a85dfc7eb8fa7c4266ee0db4f9609cceecfc5481cd8307e5af04366
 F sqlite3.pc.in e6dee284fba59ef500092fdc1843df3be8433323a3733c91da96690a50a5b398
-F src/alter.c fc36b19273ffe364aeb4d00ba04bda8798ad7a67fec7a035ee8ee56272e1bdbe
+F src/alter.c e257c51ac9301b3d72be4e1ac39c3c78528aad83194d963a075351344fbc14c7
 F src/analyze.c 03bcfc083fc0cccaa9ded93604e1d4244ea245c17285d463ef6a60425fcb247d
 F src/attach.c 7cf07d4fa42b9fc8662237c60c40b730326c30aa90ae5fffc0b18b2d726ebf61
 F src/auth.c ebec42df26b34a62b6750d30d9c2c03554a1c522020182476f7729a439fef04f
@@ -838,7 +838,7 @@ F test/alterauth.test 63442ba61ceb0c1eeb63aac1f4f5cebfa509d352276059d27106ae256b
 F test/alterauth2.test 4b74fa8f184f4736497317feb587b65759eb87d87acfe3a8ef433d4d18bb002b
 F test/altercol.test 3661c432aacb42bc2198dd4611bbb9c3b09fc73251b59edda046109103b8ac00
 F test/altercons.test ea18def4a0f26b9066da56095c9c480df705df4d02e4ae151708fae76f7e3884
-F test/altercons2.test 3c1f58312817df43aeada3b1827fdc3ce3fc50c6f49a95ef62cf4cbbae8583a0
+F test/altercons2.test ade124ce5c733d7d939a5b602946eaf4a1825c7e355319a2b00bcc0b34aafe3f
 F test/altercorrupt.test 2e1d705342cf9d7de884518ddbb053fd52d7e60d2b8869b7b63b2fda68435c12
 F test/alterdropcol.test a653a3945f964d26845ec0cd0a8e74189f46de3119a984c5bc45457da392612e
 F test/alterdropcol2.test 527fce683b200d620f560f666c44ae33e22728e990a10a48a543280dfd4b4d41
@@ -2198,8 +2198,8 @@ F tool/warnings-clang.sh bbf6a1e685e534c92ec2bfba5b1745f34fb6f0bc2a362850723a9ee
 F tool/warnings.sh a554d13f6e5cf3760f041b87939e3d616ec6961859c3245e8ef701d1eafc2ca2
 F tool/win/sqlite.vsix deb315d026cc8400325c5863eef847784a219a2f
 F tool/winmain.c 00c8fb88e365c9017db14c73d3c78af62194d9644feaf60e220ab0f411f3604c
-P eba625f917935437e3f366197df1c6717c7120ce0418a0cbac1d2024b2235091
-R 23b9fdf73ba270c85df850b593367105
-U stephan
-Z 6c68c588ff6ded97e6986d7cddd5a373
+P c4660ce205919ce0d9262e7fd7879375a72ef65d9e5ac97f19caf5dc36e355aa
+R 8f40d64d01c83fd37b753d04052029bd
+U dan
+Z 04315d944a5ee2e06c6879aa381e4815
 # Remove this line to create a well-formed Fossil manifest.
diff --git a/manifest.uuid b/manifest.uuid
index d9af6095ca..4a4573fa31 100644
--- a/manifest.uuid
+++ b/manifest.uuid
@@ -1 +1 @@
-c4660ce205919ce0d9262e7fd7879375a72ef65d9e5ac97f19caf5dc36e355aa
+7f5afb12f4a5d35cfe6b95f17d85ce85ce62159515bfe26fb9c67d3ce26b6d4a
diff --git a/src/alter.c b/src/alter.c
index fb5a37935f..f3c7dff3e8 100644
--- a/src/alter.c
+++ b/src/alter.c
@@ -2798,6 +2798,7 @@ void sqlite3AlterDropConstraint(
   if( !pTab ) return;
 
   if( pCons ){
+    sqlite3DequoteToken(pCons); 
     zArg = sqlite3MPrintf(db, "%.*Q", pCons->n, pCons->z);
   }else{
     int iCol;
diff --git a/test/altercons2.test b/test/altercons2.test
index a5bbaf6fc6..50c9ec0fa1 100644
--- a/test/altercons2.test
+++ b/test/altercons2.test
@@ -243,5 +243,45 @@ do_execsql_test 11.2.3 {
 do_execsql_test 11.2.2 {ALTER TABLE t2 ALTER b SET NOT NULL --new cons
 ;
 }
+
+#-------------------------------------------------------------------------
+reset_db
+do_execsql_test 12.0 {
+  CREATE TABLE "Test" ( 
+      "IsActive" INTEGER, 
+      CONSTRAINT "BooleanZeroOrOne" CHECK ("IsActive" IN (0, 1)) 
+  );
+}
+
+do_execsql_test 12.1 {
+  ALTER TABLE Test DROP CONSTRAINT BooleanZeroOrOne
+}
+
+do_execsql_test 12.2 {
+  SELECT sql FROM sqlite_schema
+} {
+  {CREATE TABLE "Test" ( 
+      "IsActive" INTEGER)}
+}
+
+do_execsql_test 12.3 {
+  DROP TABLE Test;
+  CREATE TABLE "Test" ( 
+      "IsActive" INTEGER, 
+      CONSTRAINT "BooleanZeroOrOne" CHECK ("IsActive" IN (0, 1)) 
+  );
+}
+
+do_execsql_test 12.4 {
+  ALTER TABLE Test DROP CONSTRAINT "BooleanZeroOrOne"
+}
+
+do_execsql_test 12.5 {
+  SELECT sql FROM sqlite_schema
+} {
+  {CREATE TABLE "Test" ( 
+      "IsActive" INTEGER)}
+}
+
 finish_test