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sqlite/ext/vec1/test/vec1overflow.test
dan 77dd26bbed Fix a case causing infinitely recursive calls to vec1.xSavepoint.
FossilOrigin-Name: a6f0843000e537a68be9e65693e8da276a4f66302a9a3c72f3a3417b6d275272
2026-10-06 10:30:12 +00:00

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# 2026-10-06
#
# 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.
#
#***********************************************************************
#
# Test cases where a %_idx list is flushed to disk mid-transaction.
#
source [file join [file dirname [info script]] vec1_common.tcl]
set testprefix vec1overflow
vec1_load db
do_execsql_test 1.0 {
CREATE VIRTUAL TABLE v1 USING vec1(v);
CREATE TABLE t1(x);
WITH s(i) AS (SELECT 1 UNION ALL SELECT i+1 FROM s WHERE i<100)
INSERT INTO t1 SELECT random_vector(8) FROM s;
INSERT INTO v1(cmd, arg) VALUES('rebuild', (
SELECT vec1_train(x, '{nbucket:1}') FROM t1
));
INSERT INTO v1(rowid, v) SELECT rowid, x FROM t1;
}
do_execsql_test 1.1 {
INSERT INTO v1(rowid, v) VALUES(4294967296, random_vector(8));
PRAGMA integrity_check;
} {ok}
reset_db
vec1_load db
do_execsql_test 2.0 {
CREATE VIRTUAL TABLE v1 USING vec1(v);
CREATE TABLE t1(x);
WITH s(i) AS (SELECT 1 UNION ALL SELECT i+1 FROM s WHERE i<100)
INSERT INTO t1 SELECT random_vector(8) FROM s;
INSERT INTO v1(cmd, arg) VALUES('rebuild', (
SELECT vec1_train(x, '{nbucket:1}') FROM t1
));
INSERT INTO v1(cmd, arg) VALUES('blocksize', 1024);
}
do_execsql_test 2.1 {
WITH s(i) AS (SELECT 1 UNION ALL SELECT i+1 FROM s WHERE i<200)
INSERT INTO v1(rowid, v) SELECT i, random_vector(8) FROM s;
SELECT count(*)>1 FROM v1_idx;
PRAGMA integrity_check;
} {1 ok}
finish_test