Adding the sqlite sourcecode

ext/fts5/test/fts5bigid.test

@@ -0,0 +1,62 @@
+# 2023 May 28
+#
+# 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]] fts5_common.tcl]
+set testprefix fts5bigid
+
+# If SQLITE_ENABLE_FTS5 is not defined, omit this file.
+ifcapable !fts5 {
+  finish_test
+  return
+}
+
+set nRow 20000
+
+proc do_ascdesc_test {tn query} {
+  set ::lAsc  [db eval { SELECT rowid FROM x1($query) }] 
+  set ::lDesc [db eval { SELECT rowid FROM x1($query) ORDER BY rowid DESC }] 
+  do_test $tn.1 { lsort -integer $::lAsc } $::lAsc
+  do_test $tn.2 { lsort -integer -decr $::lDesc } $::lDesc
+  do_test $tn.3 { lsort -integer $::lDesc } $::lAsc
+}
+
+do_execsql_test 1.0 {
+  CREATE VIRTUAL TABLE x1 USING fts5(a);
+}
+
+do_test 1.1 {
+  for {set ii 0} {$ii < $nRow} {incr ii} {
+    db eval {
+      REPLACE INTO x1(rowid, a) VALUES(random(), 'movement at the station');
+    }
+  }
+} {}
+
+do_ascdesc_test 1.2 "the"
+
+do_execsql_test 1.3 {
+  DELETE FROM x1
+}
+
+do_test 1.4 {
+  for {set ii 0} {$ii < $nRow} {incr ii} {
+    db eval {
+      INSERT INTO x1(rowid, a) VALUES(
+          $ii + 0x6FFFFFFFFFFFFFFF, 'movement at the station'
+      );
+    }
+  }
+} {}
+
+do_ascdesc_test 1.5 "movement"
+
+finish_test