add tpch. it builds/runs but it's broken. updates #27.

tpch/driver/drivers/sqlite.go

@@ -0,0 +1,49 @@
+// Copyright 2021 The Sqlite Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package drivers
+
+import (
+	"database/sql"
+	"path/filepath"
+
+	_ "modernc.org/sqlite"
+	"modernc.org/sqlite/tpch/driver"
+)
+
+func init() {
+	driver.Register(newSQLite())
+}
+
+var _ driver.SUT = (*sqlite)(nil)
+
+type sqlite struct {
+	*sqlite3
+}
+
+func newSQLite() *sqlite {
+	return &sqlite{newSQLite3()}
+}
+
+func (b *sqlite) Name() string { return "sqlite" }
+
+func (b *sqlite) OpenDB() (*sql.DB, error) {
+	pth := filepath.Join(b.wd, "sqlite.db")
+	db, err := sql.Open(b.Name(), pth)
+	if err != nil {
+		return nil, err
+	}
+
+	b.db = db
+	return db, nil
+}
+
+func (b *sqlite) OpenMem() (driver.SUT, *sql.DB, error) {
+	db, err := sql.Open(b.Name(), "file::memory:")
+	if err != nil {
+		return nil, nil, err
+	}
+
+	return &sqlite{&sqlite3{db: db}}, db, nil
+}