update Slice(UInt8) to Bytes

spec/driver_spec.cr

@@ -114,7 +114,7 @@ describe Driver do
 
   it "executes and selects blob" do
     with_db do |db|
-      slice = db.scalar(%(select X'53514C697465')).as(Slice(UInt8))
+      slice = db.scalar(%(select X'53514C697465')).as(Bytes)
       slice.to_a.should eq([0x53, 0x51, 0x4C, 0x69, 0x74, 0x65])
     end
   end
@@ -122,7 +122,7 @@ describe Driver do
   it "executes with bind blob" do
     with_db do |db|
       ary = UInt8[0x53, 0x51, 0x4C, 0x69, 0x74, 0x65]
-      slice = db.scalar(%(select cast(? as BLOB)), Slice.new(ary.to_unsafe, ary.size)).as(Slice(UInt8))
+      slice = db.scalar(%(select cast(? as BLOB)), Bytes.new(ary.to_unsafe, ary.size)).as(Bytes)
       slice.to_a.should eq(ary)
     end
   end
@@ -161,7 +161,7 @@ describe Driver do
         rs.column_type(0).should eq(String)
         rs.column_type(1).should eq(Int64)
         rs.column_type(2).should eq(Float64)
-        rs.column_type(3).should eq(Slice(UInt8))
+        rs.column_type(3).should eq(Bytes)
       end
     end
   end
@@ -193,9 +193,9 @@ describe Driver do
       ary = UInt8[0x53, 0x51, 0x4C, 0x69, 0x74, 0x65]
 
       db.exec "create table table1 (col1 blob)"
-      db.exec %(insert into table1 values (?)), Slice.new(ary.to_unsafe, ary.size)
+      db.exec %(insert into table1 values (?)), Bytes.new(ary.to_unsafe, ary.size)
 
-      slice = db.scalar("select cast(col1 as blob) from table1").as(Slice(UInt8))
+      slice = db.scalar("select cast(col1 as blob) from table1").as(Bytes)
       slice.to_a.should eq(ary)
     end
   end

src/sqlite3/result_set.cr

@@ -52,13 +52,13 @@ class SQLite3::ResultSet < DB::ResultSet
     moving_column { |col| LibSQLite3.column_double(self, col) }
   end
 
-  def read(t : Slice(UInt8).class) : Slice(UInt8)
+  def read(t : Bytes.class) : Bytes
     moving_column do |col|
       blob = LibSQLite3.column_blob(self, col)
       bytes = LibSQLite3.column_bytes(self, col)
       ptr = Pointer(UInt8).malloc(bytes)
       ptr.copy_from(blob, bytes)
-      Slice(UInt8).new(ptr, bytes)
+      Bytes.new(ptr, bytes)
     end
   end
 
@@ -74,7 +74,7 @@ class SQLite3::ResultSet < DB::ResultSet
     case LibSQLite3.column_type(self, index)
     when Type::INTEGER; Int64
     when Type::FLOAT  ; Float64
-    when Type::BLOB   ; Slice(UInt8)
+    when Type::BLOB   ; Bytes
     when Type::TEXT   ; String
     when Type::NULL   ; Nil
     else

src/sqlite3/statement.cr

@@ -52,7 +52,7 @@ class SQLite3::Statement < DB::Statement
     check LibSQLite3.bind_text(self, index, value, value.bytesize, nil)
   end
 
-  private def bind_arg(index, value : Slice(UInt8))
+  private def bind_arg(index, value : Bytes)
     check LibSQLite3.bind_blob(self, index, value, value.size, nil)
   end