Exemple #1
0
	public Bry_fmtr Keys_(String... ary) {
		if (keys == null)	keys = Hash_adp_.new_();
		else				keys.Clear();
		int ary_len = ary.length;
		for (int i = 0; i < ary_len; i++)
			keys.Add(Bry_obj_ref.new_(Bry_.new_u8(ary[i])), Int_obj_val.new_(i));
		dirty = true;
		return this;
	}	Hash_adp keys = null;
Exemple #2
0
public class Mem_tbl {
  private final List_adp where_rows = List_adp_.New();
  private final Hash_adp autonum_hash = Hash_adp_.New();

  public Mem_tbl(Dbmeta_tbl_itm meta) {
    this.meta = meta;
  }

  public Dbmeta_tbl_itm Meta() {
    return meta;
  }

  private final Dbmeta_tbl_itm meta;
  public final List_adp rows = List_adp_.New();

  public int Insert(Mem_stmt stmt) {
    Mem_row itm = new Mem_row();
    Dbmeta_fld_mgr flds = meta.Flds();
    int len = flds.Len();
    for (int i = 0; i < len; ++i) {
      Dbmeta_fld_itm fld = flds.Get_at(i);
      String fld_name = fld.Name();
      Object val = fld.Autonum() ? Autonum_calc(fld_name) : stmt.Args_get_by(fld_name);
      if (val == null) continue; // NOTE: allow Bulk_insert from test to skip filds
      itm.Set_by(fld_name, val);
    }
    rows.Add(itm);
    return 1;
  }

  private int Autonum_calc(String name) {
    Int_obj_ref autonum_itm = (Int_obj_ref) autonum_hash.Get_by(name);
    if (autonum_itm == null) {
      autonum_itm = Int_obj_ref.New(0);
      autonum_hash.Add(name, autonum_itm);
    }
    return autonum_itm.Val_add();
  }

  public int Update(Mem_stmt stmt) {
    Db_qry_update qry = (Db_qry_update) stmt.Qry();
    Criteria where_crt = qry.Where();
    if (where_crt == null) where_crt = Criteria_.All;
    Mem_stmt_args_.Fill(stmt.Stmt_args(), where_crt);
    Select_rows_where(where_rows, stmt, where_crt);
    int where_rows_len = where_rows.Count();
    String[] update_cols = qry.Cols_for_update();
    int update_cols_len = update_cols.length;
    for (int i = 0; i < where_rows_len; ++i) {
      Mem_row itm = (Mem_row) where_rows.Get_at(i);
      for (int j = 0; j < update_cols_len; ++j) itm.Set_by(update_cols[j], stmt.Args_get_at(j));
    }
    return where_rows_len;
  }

  public int Delete(Mem_stmt stmt) {
    Db_qry_delete qry = (Db_qry_delete) stmt.Qry();
    Mem_stmt_args_.Fill(stmt.Stmt_args(), qry.Where());
    Select_rows_where(where_rows, stmt, qry.Where());
    int where_rows_len = where_rows.Count();
    for (int i = 0; i < where_rows_len; ++i) {
      Mem_row itm = (Mem_row) where_rows.Get_at(i);
      rows.Del(itm);
    }
    return where_rows_len;
  }

  public Db_rdr Select(Mem_stmt stmt) {
    String[] select = null;
    Criteria where = null;
    Db_qry__select_in_tbl qry = Db_qry__select_in_tbl.as_(stmt.Qry());
    if (qry == null) {
      Db_qry__select_cmd qry2 = (Db_qry__select_cmd) stmt.Qry();
      select = To_str_ary(qry2.Cols().Flds);
      where = qry2.Where_itm().Root;
    } else {
      select = qry.Select_flds();
      where = qry.Where();
    }
    Mem_stmt_args_.Fill(stmt.Stmt_args(), where);
    Select_rows_where(where_rows, stmt, where);
    return new Mem_rdr(select, (Mem_row[]) where_rows.To_ary_and_clear(Mem_row.class));
  }

  private String[] To_str_ary(Sql_select_fld_list flds) {
    int len = flds.Len();
    String[] rv = new String[len];
    for (int i = 0; i < len; ++i) rv[i] = flds.Get_at(i).Fld;
    return rv;
  }

  private void Select_rows_where(List_adp rv, Mem_stmt stmt, Criteria crt) {
    rv.Clear();
    int rows_len = rows.Count();
    for (int i = 0; i < rows_len; ++i) {
      Mem_row itm = (Mem_row) rows.Get_at(i);
      if (crt.Matches(itm)) rv.Add(itm);
    }
  }
}