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sqlite/ext/vec1/test/vec1stream2.test
dan e32fbe0c23 Import vec1 sources into directory ext/vec1/ of this project.
FossilOrigin-Name: 3a0876d973868be7b6f4156a434cd09098c7ab1abdc7f0ef4f3d12a03de68b24
2026-09-30 14:49:16 +00:00

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# 2026-03-14
#
# 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.
#
#***********************************************************************
#
#
source [file join [file dirname [info script]] vec1_common.tcl]
set testprefix vec1stream2
vec1_load db
do_execsql_test 1.0 {
CREATE VIRTUAL TABLE t1 USING vec1(v);
WITH s(i) AS ( SELECT 1 UNION ALL SELECT i+1 FROM s WHERE i<1000 )
INSERT INTO t1 SELECT rvec(16, i) FROM s;
INSERT INTO t1(cmd, arg) VALUES('rebuild', '{index:"flat"}');
}
foreach {tn2 idx} {
1 {
INSERT INTO t1(cmd, arg) VALUES('rebuild', '{index:"flat"}');
}
2 {
INSERT INTO t1(cmd, arg) VALUES('rebuild', (
SELECT vec1_train(v, '{nbucket:8}') FROM t1
));
SELECT vec1_config('nprobe', 2);
}
3 {
INSERT INTO t1(cmd, arg) VALUES('rebuild', (
SELECT vec1_train(v, '{nbucket:8, codesize:4}') FROM t1
));
SELECT vec1_config('nprobe', 4);
}
} {
foreach {tn iVec} {
1 498753
2 722456
3 462190
4 981077
5 606275
6 239435
7 508863
8 795393
9 163905
10 697229
} {
db eval $idx
for {set nRes 2} {$nRes < 100} {incr nRes 3} {
set expect [db eval { SELECT rowid FROM t1( rvec(16, $iVec), $nRes ) }]
if {$nRes>[llength $expect]} break
do_test 1.$tn2.$tn.$nRes.1 {
set J "{K:$nRes, streaming:1}"
set all [db eval { SELECT rowid FROM t1( rvec(16, $iVec), $J) }]
lrange $all 0 [expr $nRes-1]
} $expect
set expect [db eval { SELECT rowid FROM t1 ORDER BY 1 }]
do_test 1.$tn2.$tn.$nRes.2 {
set J "{K:$nRes, streaming:1}"
set all [db eval { SELECT rowid FROM t1( rvec(16, $iVec), $J) }]
lsort -integer $all
} $expect
do_test 1.$tn2.$tn.$nRes.3 {
set J "{K:$nRes, streaming:1, nprobe_slack:0.2}"
set all [db eval { SELECT rowid FROM t1( rvec(16, $iVec), $J) }]
lsort -integer $all
} $expect
}
}
}
finish_test