Make it actually work

src/github.com/matrix-org/dendrite/clientapi/auth/storage/accounts_table.go

@@ -41,10 +41,10 @@ const insertAccountSQL = "" +
 	"INSERT INTO accounts(localpart, created_ts, password_hash) VALUES ($1, $2, $3)"
 
 const selectAccountByLocalpartSQL = "" +
-	"SELECT localpart WHERE localpart = $1"
+	"SELECT localpart FROM accounts WHERE localpart = $1"
 
 const selectPasswordHashSQL = "" +
-	"SELECT password_hash WHERE localpart = $1"
+	"SELECT password_hash FROM accounts WHERE localpart = $1"
 
 // TODO: Update password
 
@@ -78,7 +78,7 @@ func (s *accountsStatements) prepare(db *sql.DB, server gomatrixserverlib.Server
 // on success.
 func (s *accountsStatements) insertAccount(localpart, hash string) (acc *types.Account, err error) {
 	createdTimeMS := time.Now().UnixNano() / 1000000
-	if _, err = s.insertAccountStmt.Exec(localpart, createdTimeMS, hash); err != nil {
+	if _, err = s.insertAccountStmt.Exec(localpart, createdTimeMS, hash); err == nil {
 		acc = &types.Account{
 			Localpart:  localpart,
 			UserID:     makeUserID(localpart, s.serverName),

src/github.com/matrix-org/dendrite/clientapi/auth/storage/storage.go

@@ -19,6 +19,8 @@ import (
 	"github.com/matrix-org/dendrite/clientapi/auth/types"
 	"github.com/matrix-org/gomatrixserverlib"
 	"golang.org/x/crypto/bcrypt"
+	// Import the postgres database driver.
+	_ "github.com/lib/pq"
 )
 
 // AccountDatabase represents an account database

src/github.com/matrix-org/dendrite/cmd/dendrite-client-api-server/main.go

@@ -81,7 +81,7 @@ func main() {
 	}
 
 	queryAPI := api.NewRoomserverQueryAPIHTTP(cfg.RoomserverURL, nil)
-	accountDB, err := storage.NewAccountDatabase("", serverName)
+	accountDB, err := storage.NewAccountDatabase(accountDataSource, serverName)
 	if err != nil {
 		log.Panicf("Failed to setup account database(%s): %s", accountDataSource, err.Error())
 	}