forked from MTSR/mapserver
123 lines
2.2 KiB
Go
123 lines
2.2 KiB
Go
package sqlite
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import (
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"database/sql"
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"mapserver/coords"
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"mapserver/mapobjectdb"
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)
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func (db *Sqlite3Accessor) GetMapData(q *mapobjectdb.SearchQuery) ([]*mapobjectdb.MapObject, error) {
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var rows *sql.Rows
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var err error
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var limit = 1000
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if q.Limit != nil {
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limit = *q.Limit
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}
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if q.AttributeLike == nil {
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//plain pos search
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rows, err = db.db.Query(getMapDataPosQuery,
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q.Type,
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q.Pos1.X, q.Pos1.Y, q.Pos1.Z,
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q.Pos2.X, q.Pos2.Y, q.Pos2.Z,
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limit,
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)
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} else {
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//attribute like search
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rows, err = db.db.Query(getMapDataWithAttributeLikePosQuery,
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q.AttributeLike.Key, q.AttributeLike.Value,
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q.Type,
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q.Pos1.X, q.Pos1.Y, q.Pos1.Z,
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q.Pos2.X, q.Pos2.Y, q.Pos2.Z,
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limit,
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)
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}
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if err != nil {
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return nil, err
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}
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defer rows.Close()
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result := make([]*mapobjectdb.MapObject, 0)
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var currentObj *mapobjectdb.MapObject
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var currentId *int64
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for rows.Next() {
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var id int64
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var Type string
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var mtime int64
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var x, y, z int
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var posx, posy, posz int
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var key, value string
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err = rows.Scan(&id, &Type, &mtime,
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&x, &y, &z, &posx, &posy, &posz,
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&key, &value,
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)
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if err != nil {
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return nil, err
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}
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if currentId == nil || *currentId != id {
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pos := coords.NewMapBlockCoords(posx, posy, posz)
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mo := &mapobjectdb.MapObject{
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MBPos: pos,
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Type: Type,
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X: x,
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Y: y,
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Z: z,
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Mtime: mtime,
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Attributes: make(map[string]string),
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}
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currentObj = mo
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currentId = &id
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result = append(result, currentObj)
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}
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currentObj.Attributes[key] = value
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}
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return result, nil
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}
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func (db *Sqlite3Accessor) RemoveMapData(pos *coords.MapBlockCoords) error {
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_, err := db.db.Exec(removeMapDataQuery, pos.X, pos.Y, pos.Z)
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return err
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}
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func (db *Sqlite3Accessor) AddMapData(data *mapobjectdb.MapObject) error {
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res, err := db.db.Exec(addMapDataQuery,
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data.X, data.Y, data.Z,
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data.MBPos.X, data.MBPos.Y, data.MBPos.Z,
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data.Type, data.Mtime)
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if err != nil {
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return err
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}
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id, err := res.LastInsertId()
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if err != nil {
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return err
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}
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for k, v := range data.Attributes {
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//TODO: batch insert
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_, err := db.db.Exec(addMapDataAttributeQuery, id, k, v)
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if err != nil {
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return err
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}
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}
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return nil
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}
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