From 20822819adf299e3a7609a26206bf2b43ac402ff Mon Sep 17 00:00:00 2001
From: drh <>
Date: Fri, 23 Oct 2026 00:49:30 +0000
Subject: [PATCH] Fix two minor issues with the geopoly extension. Bugs
 [bugs:/info/2026-10-21T02:53:43Z] and [bugs:/info/2026-10-21T05:30:42Z].

FossilOrigin-Name: d6f1df8c0bbc2c04d9cdbbf33ff6ff9ba35d80f6e33ddab688827e7e2fe568d5
---
 ext/rtree/geopoly.c   |  50 +++++++++++---
 ext/rtree/rtree.c     |  22 ++++--
 ext/rtree/rtree1.test | 157 ++++++++++++++++++++++++++++++++++++++++++
 manifest              |  17 +++--
 manifest.uuid         |   2 +-
 5 files changed, 223 insertions(+), 25 deletions(-)

diff --git a/ext/rtree/geopoly.c b/ext/rtree/geopoly.c
index dd2ea83e6c..ac289f3e33 100644
--- a/ext/rtree/geopoly.c
+++ b/ext/rtree/geopoly.c
@@ -1389,9 +1389,13 @@ static int geopolyFilter(
     /* Special case - lookup by rowid. */
     RtreeNode *pLeaf;        /* Leaf on which the required cell resides */
     RtreeSearchPoint *p;     /* Search point for the leaf */
-    i64 iRowid = sqlite3_value_int64(argv[0]);
+    i64 iRowid;
     i64 iNode = 0;
-    rc = findLeafNode(pRtree, iRowid, &pLeaf, &iNode);
+    if( rtreeRowidEqValue(argv[0], &iRowid) ){
+      rc = findLeafNode(pRtree, iRowid, &pLeaf, &iNode);
+    }else{
+      pLeaf = 0;
+    }
     if( rc==SQLITE_OK && pLeaf!=0 ){
       p = rtreeSearchPointNew(pCsr, RTREE_ZERO, 0);
       assert( p!=0 );  /* Always returns pCsr->sPoint */
@@ -1621,6 +1625,8 @@ static int geopolyUpdate(
   i64 newRowid;                   /* The new rowid */
   int newRowidValid;              /* True if newRowid is valid */
   int coordChange = 0;            /* Change in coordinates */
+  sqlite3_value *pShape = 0;      /* New _shape value */
+  sqlite3_value *pOldShape = 0;   /* Copy of the unchanged _shape */
 
   if( pRtree->nNodeRef ){
     /* Unable to write to the btree while another cursor is reading from it,
@@ -1637,13 +1643,38 @@ static int geopolyUpdate(
   newRowid = newRowidValid ? sqlite3_value_int64(aData[1]) : 0;
   cell.iRowid = newRowid;
 
+  if( nData>1 ){
+    pShape = aData[2];
+    if( oldRowidValid && oldRowid!=newRowid && sqlite3_value_nochange(pShape) ){
+      /* The rowid changes but _shape does not. aData[2] holds no value in
+      ** this case, so read the current _shape from the %_rowid table. It
+      ** is needed for the bounding box of the new r-tree entry and for the
+      ** %_rowid record of the new rowid. */
+      sqlite3_stmt *pRead = 0;
+      rc = sqlite3_prepare_v3(pRtree->db, pRtree->zReadAuxSql, -1, 0,
+                              &pRead, 0);
+      if( rc==SQLITE_OK ){
+        int rc2;
+        sqlite3_bind_int64(pRead, 1, oldRowid);
+        if( sqlite3_step(pRead)==SQLITE_ROW ){
+          pOldShape = sqlite3_value_dup(sqlite3_column_value(pRead, 2));
+          if( pOldShape==0 ) rc = SQLITE_NOMEM;
+          pShape = pOldShape;
+        }
+        rc2 = sqlite3_finalize(pRead);
+        if( rc==SQLITE_OK ) rc = rc2;
+      }
+      if( rc ) goto geopoly_update_end;
+    }
+  }
+
   if( nData>1                                 /* not a DELETE */
    && (!oldRowidValid                         /* INSERT */
-        || !sqlite3_value_nochange(aData[2])  /* UPDATE _shape */
+        || !sqlite3_value_nochange(pShape)    /* UPDATE _shape */
         || oldRowid!=newRowid)                /* Rowid change */
   ){
-    assert( aData[2]!=0 );
-    geopolyBBox(0, aData[2], cell.aCoord, &rc);
+    assert( pShape!=0 );
+    geopolyBBox(0, pShape, cell.aCoord, &rc);
     if( rc ){
       if( rc==SQLITE_ERROR ){
         pVtab->zErrMsg =
@@ -1709,17 +1740,17 @@ static int geopolyUpdate(
     int nChange = 0;
     sqlite3_bind_int64(pUp, 1, cell.iRowid);
     assert( pRtree->nAux>=1 );
-    if( sqlite3_value_nochange(aData[2]) ){
+    if( sqlite3_value_nochange(pShape) ){
       sqlite3_bind_null(pUp, 2);
     }else{
       GeoPoly *p = 0;
-      if( sqlite3_value_type(aData[2])==SQLITE_TEXT
-       && (p = geopolyFuncParam(0, aData[2], &rc))!=0
+      if( sqlite3_value_type(pShape)==SQLITE_TEXT
+       && (p = geopolyFuncParam(0, pShape, &rc))!=0
        && rc==SQLITE_OK
       ){
         sqlite3_bind_blob(pUp, 2, p->hdr, 4+8*p->nVertex, SQLITE_TRANSIENT);
       }else{
-        sqlite3_bind_value(pUp, 2, aData[2]);
+        sqlite3_bind_value(pUp, 2, pShape);
       }
       sqlite3_free(p);
       nChange = 1;
@@ -1735,6 +1766,7 @@ static int geopolyUpdate(
   }
 
 geopoly_update_end:
+  sqlite3_value_free(pOldShape);
   rtreeRelease(pRtree);
   return rc;
 }
diff --git a/ext/rtree/rtree.c b/ext/rtree/rtree.c
index 7de56813ec..eb44b2266b 100644
--- a/ext/rtree/rtree.c
+++ b/ext/rtree/rtree.c
@@ -1908,6 +1908,20 @@ static int deserializeGeometry(sqlite3_value *pValue, RtreeConstraint *pCons){
 
 int sqlite3IntFloatCompare(i64,double);
 
+/*
+** Argument pVal is the right-hand side of a "rowid = ?" constraint. If
+** there is an integer that compares equal to pVal, set *piRowid to it and
+** return 1. Otherwise - pVal is NULL, a blob, a non-numeric text value or
+** a real value that is not an integer - return 0.
+*/
+static int rtreeRowidEqValue(sqlite3_value *pVal, i64 *piRowid){
+  int eType = sqlite3_value_numeric_type(pVal);
+  *piRowid = sqlite3_value_int64(pVal);
+  return eType==SQLITE_INTEGER
+      || (eType==SQLITE_FLOAT
+          && 0==sqlite3IntFloatCompare(*piRowid, sqlite3_value_double(pVal)));
+}
+
 /* 
 ** Rtree virtual table module xFilter method.
 */
@@ -1933,13 +1947,9 @@ static int rtreeFilter(
     /* Special case - lookup by rowid. */
     RtreeNode *pLeaf;        /* Leaf on which the required cell resides */
     RtreeSearchPoint *p;     /* Search point for the leaf */
-    i64 iRowid = sqlite3_value_int64(argv[0]);
+    i64 iRowid;
     i64 iNode = 0;
-    int eType = sqlite3_value_numeric_type(argv[0]);
-    if( eType==SQLITE_INTEGER
-     || (eType==SQLITE_FLOAT 
-         && 0==sqlite3IntFloatCompare(iRowid,sqlite3_value_double(argv[0])))
-    ){
+    if( rtreeRowidEqValue(argv[0], &iRowid) ){
       rc = findLeafNode(pRtree, iRowid, &pLeaf, &iNode);
     }else{
       rc = SQLITE_OK;
diff --git a/ext/rtree/rtree1.test b/ext/rtree/rtree1.test
index 3e53d4c246..ac40479da3 100644
--- a/ext/rtree/rtree1.test
+++ b/ext/rtree/rtree1.test
@@ -973,5 +973,162 @@ foreach {tn mod} {1 rtree 2 rtree_i32} {
   } {ok}
 }
 
+#-------------------------------------------------------------------------
+# Bug 2026-10-21T05:30:42Z. In a geopoly table, an UPDATE that changed
+# the rowid without assigning _shape failed with "_shape does not
+# contain a valid polygon".
+#
+ifcapable geopoly {
+  reset_db
+  do_execsql_test 29.0 {
+    CREATE VIRTUAL TABLE g USING geopoly(a);
+    INSERT INTO g(rowid, _shape, a) VALUES
+      (1, '[[0,0],[1,0],[0,1],[0,0]]', 'x'),
+      (2, '[[5,5],[6,5],[5,6],[5,5]]', 'y');
+  }
+
+  do_execsql_test 29.1 {
+    UPDATE g SET rowid = 7 WHERE rowid = 1;
+    UPDATE g SET rowid = 8, _shape = _shape WHERE rowid = 2;
+    SELECT rowid, a, geopoly_json(_shape) FROM g ORDER BY rowid;
+  } {7 x {[[0.0,0.0],[1.0,0.0],[0.0,1.0],[0.0,0.0]]}
+     8 y {[[5.0,5.0],[6.0,5.0],[5.0,6.0],[5.0,5.0]]}}
+
+  # The moved row is found by the r-tree using its new rowid.
+  do_execsql_test 29.2 {
+    SELECT rowid FROM g
+     WHERE geopoly_overlap(_shape, '[[0,0],[2,0],[0,2],[0,0]]');
+    SELECT rowid FROM g
+     WHERE geopoly_within(_shape, '[[-1,-1],[3,-1],[-1,3],[-1,-1]]');
+  } {7 7}
+
+  # Rowid and an auxiliary column.
+  do_execsql_test 29.3 {
+    UPDATE g SET rowid = 9, a = 'z' WHERE rowid = 7;
+    SELECT rowid, a, geopoly_area(_shape) FROM g ORDER BY rowid;
+  } {8 y 0.5 9 z 0.5}
+
+  # Auxiliary column only, and the rowid set to its current value.
+  do_execsql_test 29.4 {
+    UPDATE g SET a = 'w' WHERE rowid = 9;
+    UPDATE g SET rowid = 8 WHERE rowid = 8;
+    SELECT rowid, a, geopoly_area(_shape) FROM g ORDER BY rowid;
+  } {8 y 0.5 9 w 0.5}
+
+  # A multi-row UPDATE, which uses the two-pass strategy.
+  do_execsql_test 29.5 {
+    UPDATE g SET rowid = rowid + 100;
+    SELECT rowid, a, geopoly_area(_shape) FROM g ORDER BY rowid;
+    SELECT rowid FROM g
+     WHERE geopoly_overlap(_shape, '[[4,4],[7,4],[4,7],[4,4]]');
+  } {108 y 0.5 109 w 0.5 108}
+
+  # A new rowid that is already in use. The error names the first
+  # column, as it does for an UPDATE that also assigns _shape.
+  do_catchsql_test 29.6 {
+    UPDATE g SET rowid = 108 WHERE rowid = 109;
+  } {1 {UNIQUE constraint failed: g._shape}}
+  do_execsql_test 29.7 {
+    UPDATE OR IGNORE g SET rowid = 108 WHERE rowid = 109;
+    SELECT rowid, a FROM g ORDER BY rowid;
+  } {108 y 109 w}
+  do_execsql_test 29.8 {
+    UPDATE OR REPLACE g SET rowid = 108 WHERE rowid = 109;
+    SELECT rowid, a, geopoly_area(_shape) FROM g ORDER BY rowid;
+  } {108 w 0.5}
+
+  # UPDATE ... FROM, and an UPDATE inside a trigger.
+  do_execsql_test 29.9 {
+    INSERT INTO g(rowid, _shape, a) VALUES
+      (3, '[[5,5],[7,5],[5,7],[5,5]]', 'v');
+    CREATE TABLE m(o, n);
+    INSERT INTO m VALUES(108, 18), (3, 13);
+    UPDATE g SET rowid = m.n FROM m WHERE m.o = g.rowid;
+    SELECT rowid, a, geopoly_area(_shape) FROM g ORDER BY rowid;
+  } {13 v 2.0 18 w 0.5}
+  do_execsql_test 29.10 {
+    CREATE TABLE t(x);
+    CREATE TRIGGER tr AFTER INSERT ON t BEGIN
+      UPDATE g SET rowid = new.x WHERE rowid = 13;
+    END;
+    INSERT INTO t VALUES(23);
+    SELECT rowid, a, geopoly_area(_shape) FROM g ORDER BY rowid;
+  } {18 w 0.5 23 v 2.0}
+
+  do_execsql_test 29.11 {
+    PRAGMA integrity_check;
+  } {ok}
+}
+
+#-------------------------------------------------------------------------
+# Bug 2026-10-21T02:53:43Z. On a geopoly table, "rowid = ?" with a value
+# that is not equal to any integer found the row whose rowid was the
+# integer part of the value. R-Tree tables got this right, except that
+# a text value in exponent form, like '1e1', was converted to an
+# integer using only the digits before the "e".
+#
+# Each lookup is compared with the same lookup on an ordinary table.
+#
+reset_db
+do_execsql_test 30.0 {
+  CREATE TABLE o(a);
+  CREATE VIRTUAL TABLE r USING rtree(id, x1, x2);
+  INSERT INTO o(rowid) VALUES
+    (0), (1), (6), (7), (10),
+    (9223372036854775807), (-9223372036854775808);
+  INSERT INTO r SELECT rowid, 0, 1 FROM o;
+}
+ifcapable geopoly {
+  do_execsql_test 30.0.1 {
+    CREATE VIRTUAL TABLE g USING geopoly();
+    INSERT INTO g(rowid, _shape)
+      SELECT rowid, '[[0,0],[1,0],[0,1],[0,0]]' FROM o;
+  }
+}
+
+set tn 0
+foreach v {
+  6 6.0 -0.0 '6' {' 6 '} '6.0' '6e0' '0.6e1' '1e1' '10.0e0'
+  6.5 6.000000000000001 '6.5' '6abc' 'x' '0x6' x'36' NULL
+  1e19 -1e19 9223372036854775807.0 '9223372036854775808'
+  9223372036854775807 '9223372036854775807' -9223372036854775808
+} {
+  incr tn
+  set expect [db eval "SELECT rowid FROM o WHERE rowid = $v"]
+  do_execsql_test 30.$tn.1 "
+    SELECT id FROM r WHERE id = $v
+  " $expect
+  do_execsql_test 30.$tn.2 "
+    SELECT id FROM r WHERE rowid IN ($v, 7)
+  " [lsort -integer [concat $expect 7]]
+  ifcapable geopoly {
+    do_execsql_test 30.$tn.3 "
+      SELECT rowid FROM g WHERE rowid = $v
+    " $expect
+    do_execsql_test 30.$tn.4 "
+      SELECT rowid FROM g WHERE rowid IN ($v, 7)
+    " [lsort -integer [concat $expect 7]]
+  }
+}
+
+ifcapable geopoly {
+  do_execsql_test 30.100 {
+    CREATE TABLE t1(x);
+    INSERT INTO t1 VALUES (6), (6.5), ('7abc'), ('1e1');
+    SELECT t1.x, g.rowid FROM t1 LEFT JOIN g ON g.rowid = t1.x;
+  } {6 6 6.5 {} 7abc {} 1e1 10}
+  do_execsql_test 30.101 {
+    DELETE FROM g WHERE rowid = 7.5;
+    UPDATE g SET rowid = 70 WHERE rowid = '7abc';
+    SELECT rowid FROM g WHERE rowid BETWEEN 0 AND 100;
+  } {0 1 6 7 10}
+  do_execsql_test 30.102 {
+    DELETE FROM g WHERE rowid = 7.0;
+    SELECT rowid FROM g WHERE rowid BETWEEN 0 AND 100;
+  } {0 1 6 10}
+}
+do_execsql_test 30.103 {
+  SELECT t1.x, r.id FROM t1 LEFT JOIN r ON r.id = t1.x;
+} {6 6 6.5 {} 7abc {} 1e1 10}
 
 finish_test
diff --git a/manifest b/manifest
index 6fef537974..31545509bd 100644
--- a/manifest
+++ b/manifest
@@ -1,5 +1,5 @@
-C Performance\simprovements\sin\sPRAGMA\sintegrity_check\sand\sin\smaterialized\sCTEs.
-D 2026-10-22T20:03:37.533
+C Fix\stwo\sminor\sissues\swith\sthe\sgeopoly\sextension.\nBugs\s[bugs:/info/2026-10-21T02:53:43Z]\nand\s[bugs:/info/2026-10-21T05:30:42Z].
+D 2026-10-23T00:49:30.472
 F .fossil-settings/binary-glob 61195414528fb3ea9693577e1980230d78a1f8b0a54c78cf1b9b24d0a409ed6a x
 F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
 F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
@@ -498,10 +498,10 @@ F ext/recover/sqlite3recover.c 7a049049c9844837a82a28bed0885ea4515cb44b60c227eba
 F ext/recover/sqlite3recover.h 011c799f02deb70ab685916f6f538e6bb32c4e0025e79bfd0e24ff9c74820959
 F ext/recover/test_recover.c 3d0fb1df7823f5bc22a0b93955034d16a2dfa2eb1e443e9a0123a77f120599a3
 F ext/rtree/README 734aa36238bcd2dee91db5dba107d5fcbdb02396612811377a8ad50f1272b1c1
-F ext/rtree/geopoly.c 5d8bdbd239c806bd71de10b4aacd351309550719bb2776f80239ddb962b175d7
-F ext/rtree/rtree.c c3f17641d455e1cf4b2e104696ebe3b4b5476b67fb9ed5ee036aba19c84bfc7d
+F ext/rtree/geopoly.c b15c2be7449c4f37c0bc0e6150f2c810dbc50b670af75691430c9bc7e9b52166
+F ext/rtree/rtree.c 116771ac0a5eaef23bea8fbbbeee99ad8e8b677ed758c9084cad0344fd2b5f28
 F ext/rtree/rtree.h 4a690463901cb5e6127cf05eb8e642f127012fd5003830dbc974eca5802d9412
-F ext/rtree/rtree1.test 1b8861ed86b5856dc2a94f0e72d6fe011667e8066e923a02e6b351b706d14d05
+F ext/rtree/rtree1.test ae7af664671b73187d4a947601a551de7b6095a6a92d410104cecdc5b77beff1
 F ext/rtree/rtree2.test 9d9deddbb16fd0c30c36e6b4fdc3ee3132d765567f0f9432ee71e1303d32603d
 F ext/rtree/rtree3.test 272594f88c344e973864008bbe4c71fd3a41a264c097d568593ee7886d83d409
 F ext/rtree/rtree4.test 304de65d484540111b896827e4261815e5dca4ce28eeecd58be648cd73452c4b
@@ -2297,9 +2297,8 @@ F tool/warnings-clang.sh bbf6a1e685e534c92ec2bfba5b1745f34fb6f0bc2a362850723a9ee
 F tool/warnings.sh a554d13f6e5cf3760f041b87939e3d616ec6961859c3245e8ef701d1eafc2ca2
 F tool/win/sqlite.vsix deb315d026cc8400325c5863eef847784a219a2f
 F tool/winmain.c 00c8fb88e365c9017db14c73d3c78af62194d9644feaf60e220ab0f411f3604c
-P 14d924c33ff11babef13e68f178c715bb8744a0134ee580715486b601d5738d8 d0b5bc53a9d828c425ea29bc418688aa7df20e8cc4b69b81acb0ac1a7c169b6a
-R 9c27d1388fc21c7d73384c44f57158ba
-T +closed d0b5bc53a9d828c425ea29bc418688aa7df20e8cc4b69b81acb0ac1a7c169b6a
+P 52d0c0b3d18b032e2d2c006a5d60df4c65da3b95200eaaffddb0ede9ed63f29f
+R d78d70775b4d143ef12b7c5ee188934a
 U drh
-Z 8abe2cfbcb64db54b4e6f596a898f36f
+Z 7b38a1ec45246b3ad601d2365201294e
 # Remove this line to create a well-formed Fossil manifest.
diff --git a/manifest.uuid b/manifest.uuid
index 38e490acfe..3ad0d9ffb3 100644
--- a/manifest.uuid
+++ b/manifest.uuid
@@ -1 +1 @@
-52d0c0b3d18b032e2d2c006a5d60df4c65da3b95200eaaffddb0ede9ed63f29f
+d6f1df8c0bbc2c04d9cdbbf33ff6ff9ba35d80f6e33ddab688827e7e2fe568d5