Add db-connect, a SQL over HTTPS server

vendor/github.com/kshvakov/clickhouse/lib/column/int8.go

@@ -0,0 +1,49 @@
+package column
+
+import (
+	"github.com/kshvakov/clickhouse/lib/binary"
+)
+
+type Int8 struct{ base }
+
+func (Int8) Read(decoder *binary.Decoder) (interface{}, error) {
+	v, err := decoder.Int8()
+	if err != nil {
+		return int8(0), err
+	}
+	return v, nil
+}
+
+func (i *Int8) Write(encoder *binary.Encoder, v interface{}) error {
+	switch v := v.(type) {
+	case int8:
+		return encoder.Int8(v)
+	case int64:
+		return encoder.Int8(int8(v))
+	case int:
+		return encoder.Int8(int8(v))
+	case bool:
+		if v {
+			return encoder.Int8(int8(1))
+		}
+		return encoder.Int8(int8(0))
+
+		// this relies on Nullable never sending nil values through
+	case *int8:
+		return encoder.Int8(*v)
+	case *int64:
+		return encoder.Int8(int8(*v))
+	case *int:
+		return encoder.Int8(int8(*v))
+	case *bool:
+		if *v {
+			return encoder.Int8(int8(1))
+		}
+		return encoder.Int8(int8(0))
+	}
+
+	return &ErrUnexpectedType{
+		T:      v,
+		Column: i,
+	}
+}