sqlite tile db

tiledb/accessor.go

@@ -14,5 +14,5 @@ type Tile struct {
 type DBAccessor interface {
 	Migrate() error
 	GetTile(layerId int, pos coords.TileCoords) (*Tile, error)
-	SetTile(pos coords.TileCoords, tile *Tile) error
+	SetTile(tile *Tile) error
 }

tiledb/sqlite.go

@@ -79,8 +79,15 @@ func (db *Sqlite3Accessor) GetTile(layerId int, pos coords.TileCoords) (*Tile, e
 	return nil, nil
 }
 
-func (db *Sqlite3Accessor) SetTile(pos coords.TileCoords, tile *Tile) error {
-  return nil
+const setTileQuery = `
+insert into tiles(x,y,zoom,layerid,data,mtime)
+values(?, ?, ?, ?, ?, ?)
+on conflict replace
+`
+
+func (db *Sqlite3Accessor) SetTile(tile *Tile) error {
+	_, err := db.db.Query(setTileQuery, tile.Pos.X, tile.Pos.Y, tile.Pos.Zoom, tile.LayerId, tile.Data, tile.Mtime)
+	return err
 }
 
 func NewSqliteAccessor(filename string) (*Sqlite3Accessor, error) {

tiledb/sqlite_test.go

@@ -2,9 +2,9 @@ package tiledb
 
 import (
 	"io/ioutil"
+	"mapserver/coords"
 	"os"
 	"testing"
-	"mapserver/coords"
 )
 
 func TestMigrate(t *testing.T) {
@@ -24,11 +24,18 @@ func TestMigrate(t *testing.T) {
 		panic(err)
 	}
 
-	pos := coords.NewTileCoords(0,0,13)
+	pos := coords.NewTileCoords(0, 0, 13)
 	_, err = db.GetTile(0, pos)
 	if err != nil {
 		panic(err)
 	}
 
+	data := []byte{}
+	tile := Tile{LayerId: 0, Pos: pos, Data: data}
+	err = db.SetTile(&tile)
+
+	if err != nil {
+		panic(err)
+	}
 
 }