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+# 2023 July 19
+#
+# 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.
+#
+#***********************************************************************
+#
+# This file contains tests for the content= and content_rowid= options.
+#
+
+source [file join [file dirname [info script]] fts5_common.tcl]
+set testprefix fts5contentless2
+
+# If SQLITE_ENABLE_FTS5 is defined, omit this file.
+ifcapable !fts5 {
+ finish_test
+ return
+}
+
+proc vocab {} {
+ list aaa bbb ccc ddd eee fff ggg hhh iii jjj kkk lll mmm nnn ooo ppp
+}
+
+proc document {nToken} {
+ set doc [list]
+ set vocab [vocab]
+ for {set ii 0} {$ii < $nToken} {incr ii} {
+ lappend doc [lindex $vocab [expr int(rand()*[llength $vocab])]]
+ }
+ set doc
+}
+db func document document
+
+proc contains {doc token} {
+ expr {[lsearch $doc $token]>=0}
+}
+db func contains contains
+
+proc do_compare_tables_test {tn} {
+ uplevel [list do_test $tn {
+ foreach v [vocab] {
+ set l1 [execsql { SELECT rowid FROM t1 WHERE contains(doc, $v) }]
+ set l2 [execsql { SELECT rowid FROM t2($v) }]
+ if {$l1!=$l2} { error "1: query mismatch ($l1) ($l2)" }
+
+ set w "[string range $v 0 1]*"
+ set l1 [execsql { SELECT rowid FROM t1 WHERE contains(doc, $w) }]
+ set l2 [execsql { SELECT rowid FROM t2($w) }]
+ if {$l1!=$l2} { error "2: query mismatch ($l1) ($l2)" }
+
+ set w "[string range $v 0 0]*"
+ set l1 [execsql { SELECT rowid FROM t1 WHERE contains(doc, $w) }]
+ set l2 [execsql { SELECT rowid FROM t2($w) }]
+ if {$l1!=$l2} { error "2: query mismatch ($l1) ($l2)" }
+
+ set l1 [execsql {
+ SELECT rowid FROM t1 WHERE contains(doc, $v) ORDER BY rowid DESC
+ }]
+ set l2 [execsql { SELECT rowid FROM t2($v) ORDER BY rowid DESC }]
+ if {$l1!=$l2} { error "1: query mismatch ($l1) ($l2)" }
+ }
+ set {} {}
+ } {}]
+}
+
+proc lshuffle {in} {
+ set L [list]
+ set ret [list]
+ foreach elem $in { lappend L [list [expr rand()] $elem] }
+ foreach pair [lsort -index 0 $L] { lappend ret [lindex $pair 1] }
+ set ret
+}
+
+expr srand(0)
+
+do_execsql_test 1.0 {
+ CREATE VIRTUAL TABLE t2 USING fts5(
+ doc, prefix=2, content=, contentless_delete=1
+ );
+
+ CREATE TABLE t1(doc);
+ CREATE TRIGGER tr1 AFTER DELETE ON t1 BEGIN
+ DELETE FROM t2 WHERE rowid = old.rowid;
+ END;
+}
+
+set SMALLEST64 -9223372036854775808
+set LARGEST64 9223372036854775807
+
+foreach {tn r1 r2} {
+ 1 0 50
+ 2 $SMALLEST64 $SMALLEST64+50
+ 3 $LARGEST64-50 $LARGEST64
+ 4 -50 -1
+} {
+ set r1 [expr $r1]
+ set r2 [expr $r2]
+
+ do_test 1.1.$tn {
+ execsql BEGIN
+ for {set ii $r1} {$ii <= $r2} {incr ii} {
+ execsql { INSERT INTO t1(rowid, doc) VALUES ($ii, document(8)); }
+ }
+ execsql COMMIT
+ } {}
+}
+do_test 1.2 {
+ db eval { SELECT rowid, doc FROM t1 } {
+ execsql { INSERT INTO t2(rowid, doc) VALUES($rowid, $doc) }
+ }
+} {}
+
+foreach {tn rowid} {
+ 1 $SMALLEST64
+ 2 0
+ 3 -5
+ 4 -30
+ 5 $LARGEST64
+ 6 $LARGEST64-1
+} {
+ set rowid [expr $rowid]
+ do_execsql_test 1.3.$tn.1 {
+ DELETE FROM t1 WHERE rowid=$rowid
+ }
+ do_compare_tables_test 1.3.$tn.2
+}
+
+set iTest 1
+foreach r [lshuffle [execsql {SELECT rowid FROM t1}]] {
+ if {($iTest % 50)==0} {
+ execsql { INSERT INTO t2(t2) VALUES('optimize') }
+ }
+ if {($iTest % 5)==0} {
+ execsql { INSERT INTO t2(t2, rank) VALUES('merge', 5) }
+ }
+ do_execsql_test 1.4.$iTest.1($r) {
+ DELETE FROM t1 WHERE rowid=$r
+ }
+ do_compare_tables_test 1.4.$iTest.2
+ incr iTest
+}
+
+do_execsql_test 1.5 {
+ SELECT * FROM t1
+} {}
+
+#-------------------------------------------------------------------------
+reset_db
+db func document document
+
+do_execsql_test 2.0 {
+ CREATE VIRTUAL TABLE t2 USING fts5(doc, content=, contentless_delete=1);
+ WITH s(i) AS (
+ SELECT 1 UNION ALL SELECT i+1 FROM s WHERE i<1000
+ )
+ INSERT INTO t2(rowid, doc) SELECT i, i || ' ' || i FROM s;
+}
+
+do_execsql_test 2.1 {
+ BEGIN;
+ DELETE FROM t2 WHERE rowid=32;
+ DELETE FROM t2 WHERE rowid=64;
+ DELETE FROM t2 WHERE rowid=96;
+ DELETE FROM t2 WHERE rowid=128;
+ DELETE FROM t2 WHERE rowid=160;
+ DELETE FROM t2 WHERE rowid=192;
+ COMMIT;
+}
+
+do_execsql_test 2.2 {
+ SELECT * FROM t2('128');
+} {}
+
+#-------------------------------------------------------------------------
+
+foreach {tn step} {
+ 1 3
+ 2 7
+ 3 15
+} {
+ set step [expr $step]
+
+ reset_db
+ db func document document
+ do_execsql_test 3.$tn.0 {
+ CREATE VIRTUAL TABLE t2 USING fts5(doc, content=, contentless_delete=1);
+ INSERT INTO t2(t2, rank) VALUES('pgsz', 100);
+ WITH s(i) AS (
+ SELECT 1 UNION ALL SELECT i+1 FROM s WHERE i<1000
+ )
+ INSERT INTO t2(rowid, doc) SELECT i, i || ' ' || i FROM s;
+ }
+ do_execsql_test 3.$tn.1 {
+ DELETE FROM t2 WHERE (rowid % $step)==0
+ }
+ do_execsql_test 3.$tn.2 {
+ SELECT * FROM t2( $step * 5 )
+ } {}
+}
+
+
+
+finish_test