u32 nBusy; /* Current number of users of this structure */
i64 nRowEst; /* Estimated number of rows in this table */
u32 nCursor; /* Number of open cursors */
+ u32 iGeneration; /* Cursors with smaller iGeneration are stale */
u32 nNodeRef; /* Number RtreeNodes with positive nRef */
char *zReadAuxSql; /* SQL for statement to read aux data */
u8 atEOF; /* True if at end of search */
u8 bPoint; /* True if sPoint is valid */
u8 bAuxValid; /* True if pReadAux is valid */
+ u32 iGeneration; /* Stale if too small */
int iStrategy; /* Copy of idxNum search parameter */
int nConstraint; /* Number of entries in aConstraint */
RtreeConstraint *aConstraint; /* Search constraints. */
if( pCsr ){
memset(pCsr, 0, sizeof(RtreeCursor));
pCsr->base.pVtab = pVTab;
+ pCsr->iGeneration = pRtree->iGeneration;
rc = SQLITE_OK;
pRtree->nCursor++;
}
int eInt;
RtreeSearchPoint x;
+ if( pCur->iGeneration<pRtree->iGeneration ){
+ return SQLITE_ABORT_ROLLBACK;
+ }
eInt = pRtree->eCoordType==RTREE_COORD_INT32;
while( (p = rtreeSearchPointFirst(pCur))!=0 && p->iLevel>0 ){
u8 *pCellData;
/* Reset the cursor to the same state as rtreeOpen() leaves it in. */
resetCursor(pCsr);
+ pCsr->iGeneration = pRtree->iGeneration;
pCsr->iStrategy = idxNum;
if( idxNum==1 ){
nodeBlobReset(pRtree);
return SQLITE_OK;
}
+static int rtreeRollback(sqlite3_vtab *pVtab){
+ Rtree *pRtree = (Rtree *)pVtab;
+ pRtree->iGeneration++;
+ return rtreeEndTransaction(pVtab);
+}
+static int rtreeRollbackTo(sqlite3_vtab *pVtab, int notUsed){
+ Rtree *pRtree = (Rtree *)pVtab;
+ pRtree->iGeneration++;
+ return SQLITE_OK;
+}
/*
** The xRename method for rtree module virtual tables.
rtreeBeginTransaction, /* xBegin - begin transaction */
rtreeEndTransaction, /* xSync - sync transaction */
rtreeEndTransaction, /* xCommit - commit transaction */
- rtreeEndTransaction, /* xRollback - rollback transaction */
+ rtreeRollback, /* xRollback - rollback transaction */
0, /* xFindFunction - function overloading */
rtreeRename, /* xRename - rename the table */
rtreeSavepoint, /* xSavepoint */
0, /* xRelease */
- 0, /* xRollbackTo */
+ rtreeRollbackTo, /* xRollbackTo */
rtreeShadowName, /* xShadowName */
rtreeIntegrity /* xIntegrity */
};
--- /dev/null
+# 2024-02-03
+#
+# The author disclaims copyright to this source code. In place of
+# a legal notice, here is a blessing:
+#
+# May you do good and not evil.
+# May you find forgiveness for yourself and forgive others.
+# May you share freely, never taking more than you give.
+#
+#***********************************************************************
+#
+# ROLLBACK in the middle of an RTREE query
+#
+if {![info exists testdir]} {
+ set testdir [file join [file dirname [info script]] .. .. test]
+}
+source $testdir/tester.tcl
+set testprefix rtreeJ
+
+do_execsql_test 1.0 {
+ CREATE VIRTUAL TABLE t1 USING rtree(id, x1, x2);
+ INSERT INTO t1 VALUES(1, 1, 1), (2, 2, 2);
+} {}
+
+do_execsql_test 1.1 {
+ SELECT * FROM t1
+} {1 1.0 1.0 2 2.0 2.0}
+
+# If a ROLLBACK occurs that backs out changes to the RTREE, then
+# all pending queries to the RTREE are aborted.
+#
+do_test 1.2 {
+ db eval {
+ BEGIN;
+ INSERT INTO t1 VALUES(3, 3, 3);
+ INSERT INTO t1 VALUES(4, 4, 4);
+ }
+ set rc [catch {
+ db eval { SELECT * FROM t1 } {
+ if {$id==1} {
+ db eval { ROLLBACK }
+ }
+ lappend res $id $x1 $x2
+ }
+ } msg]
+ list $rc $msg
+} {1 {abort due to ROLLBACK}}
+
+do_execsql_test 1.3 {
+ SELECT * FROM t1;
+} {1 1.0 1.0 2 2.0 2.0}
+
+# A COMMIT of changes to the RTREE does not affect pending queries
+#
+do_test 1.4 {
+ set res {}
+ db eval {
+ BEGIN;
+ INSERT INTO t1 VALUES(5, 5, 5);
+ INSERT INTO t1 VALUES(6, 6, 6);
+ }
+ db eval { SELECT * FROM t1 } {
+ if {$id==1} {
+ db eval { COMMIT }
+ }
+ lappend res $id $x1 $x2
+ }
+ set res
+} {1 1.0 1.0 2 2.0 2.0 5 5.0 5.0 6 6.0 6.0}
+
+do_execsql_test 1.5 {
+ SELECT * FROM t1;
+} {1 1.0 1.0 2 2.0 2.0 5 5.0 5.0 6 6.0 6.0}
+
+do_execsql_test 1.6 {
+ DELETE FROM t1;
+ INSERT INTO t1 VALUES(1,1,1),(2,2,2),(3,3,3),(4,4,4);
+ CREATE TABLE t2(x);
+ SELECT * FROM t1;
+} {1 1.0 1.0 2 2.0 2.0 3 3.0 3.0 4 4.0 4.0}
+
+# A rollback that does not affect the rtree table because
+# the rtree table has not been written to does not cause
+# a query abort.
+#
+do_test 1.7 {
+ set res {}
+ db eval {
+ BEGIN;
+ INSERT INTO t2(x) VALUES(12345);
+ }
+ db eval { SELECT * FROM t1 } {
+ if {$id==1} {
+ db eval { ROLLBACK }
+ }
+ lappend res $id $x1 $x2
+ }
+ set res
+} {1 1.0 1.0 2 2.0 2.0 3 3.0 3.0 4 4.0 4.0}
+
+# ROLLBACK TO that affects the RTREE does cause a query abort.
+#
+do_test 1.8 {
+ db eval {
+ DELETE FROM t1 WHERE rowid>1;
+ BEGIN;
+ DELETE FROM t2;
+ INSERT INTO t2(x) VALUES(23456);
+ SAVEPOINT 'one';
+ INSERT INTO t1 VALUES(2,2,2),(3,3,3);
+ }
+ set rc [catch {
+ db eval { SELECT * FROM t1 } {
+ if {$id==1} {
+ db eval { ROLLBACK TO 'one'; }
+ }
+ lappend res $id $x1 $x2
+ }
+ } msg]
+ list $rc $msg
+} {1 {abort due to ROLLBACK}}
+
+do_execsql_test 1.9 {
+ COMMIT;
+ SELECT * FROM t1;
+} {1 1.0 1.0}
+
+# ROLLBACK TO that does not affect the RTREE does not cause a query abort.
+#
+do_execsql_test 1.10 {
+ DELETE FROM t1;
+ INSERT INTO t1 VALUES(1,1,1),(2,2,2),(3,3,3);
+ BEGIN;
+ DELETE FROM t2;
+ INSERT INTO t2(x) VALUES(34567);
+ SAVEPOINT 'one';
+ INSERT INTO t2(x) VALUES('a string');
+ SELECT * FROM t1;
+} {1 1.0 1.0 2 2.0 2.0 3 3.0 3.0}
+do_test 1.11 {
+ set rc [catch {
+ set res {}
+ db eval { SELECT * FROM t1 } {
+ if {$id==2} {
+ # db eval { ROLLBACK TO 'one'; }
+ }
+ lappend res $id $x1 $x2
+ }
+ set res
+ } msg]
+ list $rc $msg
+} {0 {1 1.0 1.0 2 2.0 2.0 3 3.0 3.0}}
+
+do_execsql_test 1.12 {
+ COMMIT;
+ SELECT * FROM t1;
+} {1 1.0 1.0 2 2.0 2.0 3 3.0 3.0}
+
+finish_test
-C More\sextensive\suse\sof\sSQLITE_CORRUPT_PGNO.
-D 2024-02-02T18:42:09.735
+C Following\sa\sROLLBACK\sthat\sreverts\schanges\sto\san\sRTREE,\sany\spending\squeries\nagainst\sthat\ssame\sRTREE\sabort\swith\scode\sSQLITE_ABORT_ROLLBACK.\ndbsqlfuzz\sde7d17b72d0e842352c998dd86a47b7d0f707be9.
+D 2024-02-03T19:19:18.306
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# Remove this line to create a well-formed Fossil manifest.
-3838332cffb87f77a7c6b357066a59b9dc4f65ef4b3496767ad7ad7c14a77be2
\ No newline at end of file
+af5c425114f32c2f84aea20edd4fa46eb1bfdeb3747fce357540e15978a070c8
\ No newline at end of file
projects / thirdparty / sqlite.git / commitdiff
