DBD-SQLite: added a regression test for RT #29629; it seems this has already been fixed.

t/rt_29629_sqlite_where_length.t

@@ -0,0 +1,56 @@
+#!/usr/bin/perl
+
+use strict;
+BEGIN {
+	$|  = 1;
+	$^W = 1;
+}
+
+use Test::More tests => 12;
+use t::lib::Test;
+
+my $dbh = connect_ok();
+
+$dbh->do('drop table if exists artist');
+$dbh->do(<<'');
+create table artist (
+  id int not null primary key,
+  name text not null
+)
+
+ok ( $dbh->do(q/insert into artist (id,name) values(1, 'Leonardo da Vinci')/), 'insert');
+
+# length works in a select list...
+my $sth = $dbh->prepare('select length(name) from artist where id=?');
+ok ( $sth->execute(1), 'execute, select length' );
+is ( $sth->fetchrow_arrayref->[0], 17, 'select length result' );
+
+# but not in a where clause...
+my $statement = 'select count(*) from artist where length(name) > ?';
+
+# ...not with bind args
+$sth = $dbh->prepare($statement);
+ok ( $sth->execute(2), "execute: $statement : [2]" );
+is ( $sth->fetchrow_arrayref->[0], 1, "result of: $statement : [2]" );
+# ...works without bind args, though!
+$statement =~ s/\?/2/;
+$sth = $dbh->prepare($statement);
+ok ( $sth->execute, "execute: $statement" );
+is ( $sth->fetchrow_arrayref->[0], 1, "result of: $statement" );
+
+### it does work, however, from the sqlite3 CLI...
+# require Shell;
+# $Shell::raw = 1;
+# is ( sqlite3($db, "'$statement;'"), "1\n", 'sqlite3 CLI' );
+
+# (Jess Robinson discovered that it passes with an arg of 1)
+$statement =~ s/2/1/;
+$sth = $dbh->prepare($statement);
+ok ( $sth->execute, "execute: $statement" );
+is ( $sth->fetchrow_arrayref->[0], 1, "result of: $statement" );
+
+# (...but still not with bind args)
+$statement =~ s/1/?/;
+$sth = $dbh->prepare($statement);
+ok ( $sth->execute(1), "execute: $statement : [1]" );
+is ( $sth->fetchrow_arrayref->[0], 1, "result of: $statement [1]" );