Fix tests

dialects/mssql.go

@@ -284,7 +284,7 @@ func (db *mssql) SQLType(c *schemas.Column) string {
 	case schemas.TimeStampz:
 		res = "DATETIMEOFFSET"
 		c.Length = 7
-	case schemas.MediumInt:
+	case schemas.MediumInt, schemas.UnsignedInt:
 		res = schemas.Int
 	case schemas.Text, schemas.MediumText, schemas.TinyText, schemas.LongText, schemas.Json:
 		res = db.defaultVarchar + "(MAX)"
@@ -296,7 +296,7 @@ func (db *mssql) SQLType(c *schemas.Column) string {
 	case schemas.TinyInt:
 		res = schemas.TinyInt
 		c.Length = 0
-	case schemas.BigInt:
+	case schemas.BigInt, schemas.UnsignedBigInt:
 		res = schemas.BigInt
 		c.Length = 0
 	case schemas.NVarchar:

dialects/mysql.go

@@ -254,6 +254,10 @@ func (db *mysql) SQLType(c *schemas.Column) string {
 		c.Length = 40
 	case schemas.Json:
 		res = schemas.Text
+	case schemas.UnsignedInt:
+		res = schemas.Int
+	case schemas.UnsignedBigInt:
+		res = schemas.BigInt
 	default:
 		res = t
 	}
@@ -271,6 +275,11 @@ func (db *mysql) SQLType(c *schemas.Column) string {
 	} else if hasLen1 {
 		res += "(" + strconv.Itoa(c.Length) + ")"
 	}
+
+	if c.SQLType.Name == schemas.UnsignedBigInt || c.SQLType.Name == schemas.UnsignedInt {
+		res += " UNSIGNED"
+	}
+
 	return res
 }
 
@@ -331,16 +340,16 @@ func (db *mysql) GetColumns(queryer core.Queryer, ctx context.Context, tableName
 		col := new(schemas.Column)
 		col.Indexes = make(map[string]int)
 
-		var columnName, isNullable, colType, colKey, extra, comment string
+		var columnName, nullableStr, colType, colKey, extra, comment string
-		var alreadyQuoted bool
+		var alreadyQuoted, isUnsigned bool
 		var colDefault *string
-		err = rows.Scan(&columnName, &isNullable, &colDefault, &colType, &colKey, &extra, &comment, &alreadyQuoted)
+		err = rows.Scan(&columnName, &nullableStr, &colDefault, &colType, &colKey, &extra, &comment, &alreadyQuoted)
 		if err != nil {
 			return nil, nil, err
 		}
 		col.Name = strings.Trim(columnName, "` ")
 		col.Comment = comment
-		if "YES" == isNullable {
+		if nullableStr == "YES" {
 			col.Nullable = true
 		}
 
@@ -351,6 +360,11 @@ func (db *mysql) GetColumns(queryer core.Queryer, ctx context.Context, tableName
 			col.DefaultIsEmpty = true
 		}
 
+		fields := strings.Fields(colType)
+		if len(fields) == 2 && fields[1] == "unsigned" {
+			isUnsigned = true
+		}
+		colType = fields[0]
 		cts := strings.Split(colType, "(")
 		colName := cts[0]
 		// Remove the /* mariadb-5.3 */ suffix from coltypes
@@ -389,11 +403,8 @@ func (db *mysql) GetColumns(queryer core.Queryer, ctx context.Context, tableName
 				}
 			}
 		}
-		if colType == "FLOAT UNSIGNED" {
+		if isUnsigned {
-			colType = "FLOAT"
+			colType = "UNSIGNED " + colType
-		}
-		if colType == "DOUBLE UNSIGNED" {
-			colType = "DOUBLE"
 		}
 		col.Length = len1
 		col.Length2 = len2

dialects/postgres.go

@@ -833,12 +833,12 @@ func (db *postgres) SQLType(c *schemas.Column) string {
 	case schemas.Bit:
 		res = schemas.Boolean
 		return res
-	case schemas.MediumInt, schemas.Int, schemas.Integer:
+	case schemas.MediumInt, schemas.Int, schemas.Integer, schemas.UnsignedInt:
 		if c.IsAutoIncrement {
 			return schemas.Serial
 		}
 		return schemas.Integer
-	case schemas.BigInt:
+	case schemas.BigInt, schemas.UnsignedBigInt:
 		if c.IsAutoIncrement {
 			return schemas.BigSerial
 		}

dialects/sqlite3.go

@@ -149,40 +149,6 @@ var (
 		Suffix:     '`',
 		IsReserved: schemas.AlwaysReserve,
 	}
-
-	sqlite3Types = map[string]int{
-		"INT":              schemas.NUMERIC_TYPE,
-		"INTEGER":          schemas.NUMERIC_TYPE,
-		"TINYINT":          schemas.NUMERIC_TYPE,
-		"SMALLINT":         schemas.NUMERIC_TYPE,
-		"MEDIUMINT":        schemas.NUMERIC_TYPE,
-		"BIGINT":           schemas.NUMERIC_TYPE,
-		"UNSIGNED BIG INT": schemas.NUMERIC_TYPE,
-		"INT2":             schemas.NUMERIC_TYPE,
-		"INT8":             schemas.NUMERIC_TYPE,
-
-		"REAL":             schemas.NUMERIC_TYPE,
-		"DOUBLE":           schemas.NUMERIC_TYPE,
-		"DOUBLE PRECISION": schemas.NUMERIC_TYPE,
-		"FLOAT":            schemas.NUMERIC_TYPE,
-		"NUMERIC":          schemas.NUMERIC_TYPE,
-		"DECIMAL":          schemas.NUMERIC_TYPE,
-		"BOOLEAN":          schemas.NUMERIC_TYPE,
-
-		"CHARACTER":         schemas.TEXT_TYPE,
-		"VARCHAR":           schemas.TEXT_TYPE,
-		"VARYING CHARACTER": schemas.TEXT_TYPE,
-		"NCHAR":             schemas.TEXT_TYPE,
-		"NATIVE CHARACTER":  schemas.TEXT_TYPE,
-		"NVARCHAR":          schemas.TEXT_TYPE,
-		"TEXT":              schemas.TEXT_TYPE,
-		"CLOB":              schemas.TEXT_TYPE,
-
-		"BLOB": schemas.BLOB_TYPE,
-
-		"DATE":     schemas.TIME_TYPE,
-		"DATETIME": schemas.TIME_TYPE,
-	}
 )
 
 type sqlite3 struct {
@@ -227,7 +193,8 @@ func (db *sqlite3) SQLType(c *schemas.Column) string {
 	case schemas.Char, schemas.Varchar, schemas.NVarchar, schemas.TinyText,
 		schemas.Text, schemas.MediumText, schemas.LongText, schemas.Json:
 		return schemas.Text
-	case schemas.Bit, schemas.TinyInt, schemas.SmallInt, schemas.MediumInt, schemas.Int, schemas.Integer, schemas.BigInt:
+	case schemas.Bit, schemas.TinyInt, schemas.SmallInt, schemas.MediumInt, schemas.Int, schemas.Integer, schemas.BigInt,
+		schemas.UnsignedBigInt, schemas.UnsignedInt:
 		return schemas.Integer
 	case schemas.Float, schemas.Double, schemas.Real:
 		return schemas.Real

integrations/types_test.go

@@ -393,7 +393,12 @@ func TestUnsigned(t *testing.T) {
 	case schemas.SQLITE:
 		assert.EqualValues(t, "INTEGER", tables[0].Columns()[0].SQLType.Name)
 	case schemas.MYSQL:
-		assert.EqualValues(t, "unsigned int", tables[0].Columns()[0].SQLType.Name)
+		assert.EqualValues(t, "UNSIGNED BIGINT", tables[0].Columns()[0].SQLType.Name)
+	case schemas.POSTGRES:
+		assert.EqualValues(t, "BIGINT", tables[0].Columns()[0].SQLType.Name)
+	case schemas.MSSQL:
+		assert.EqualValues(t, "BIGINT", tables[0].Columns()[0].SQLType.Name)
+	default:
+		assert.False(t, true, "Unsigned is not implemented")
 	}
-
 }

schemas/type.go

@@ -80,6 +80,8 @@ var (
 	Int            = "INT"
 	Integer        = "INTEGER"
 	BigInt         = "BIGINT"
+	UnsignedInt    = "UNSIGNED INT"
+	UnsignedBigInt = "UNSIGNED BIGINT"
 
 	Enum = "ENUM"
 	Set  = "SET"
@@ -143,6 +145,8 @@ var (
 		Int:            NUMERIC_TYPE,
 		Integer:        NUMERIC_TYPE,
 		BigInt:         NUMERIC_TYPE,
+		UnsignedInt:    NUMERIC_TYPE,
+		UnsignedBigInt: NUMERIC_TYPE,
 
 		Enum:  TEXT_TYPE,
 		Set:   TEXT_TYPE,
@@ -280,10 +284,14 @@ var (
 // Type2SQLType generate SQLType acorrding Go's type
 func Type2SQLType(t reflect.Type) (st SQLType) {
 	switch k := t.Kind(); k {
-	case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32:
+	case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32:
 		st = SQLType{Int, 0, 0}
-	case reflect.Int64, reflect.Uint64:
+	case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32:
+		st = SQLType{UnsignedInt, 0, 0}
+	case reflect.Int64:
 		st = SQLType{BigInt, 0, 0}
+	case reflect.Uint64:
+		st = SQLType{UnsignedBigInt, 0, 0}
 	case reflect.Float32:
 		st = SQLType{Float, 0, 0}
 	case reflect.Float64: