From 7aff5dd6932468a2369504a48b3293e58be6e2ae Mon Sep 17 00:00:00 2001
From: Lunny Xiao <xiaolunwen@gmail.com>
Date: Wed, 24 Jun 2020 21:00:48 +0800
Subject: [PATCH] unsigned

---
 dialects/sqlite3.go        | 34 ++++++++++++++++++++++++++++++++++
 integrations/types_test.go | 22 ++++++++++++++++++++++
 2 files changed, 56 insertions(+)

diff --git a/dialects/sqlite3.go b/dialects/sqlite3.go
index 62a38397..fb38ebf6 100644
--- a/dialects/sqlite3.go
+++ b/dialects/sqlite3.go
@@ -149,6 +149,40 @@ 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 {
diff --git a/integrations/types_test.go b/integrations/types_test.go
index 112308f3..1a4faa42 100644
--- a/integrations/types_test.go
+++ b/integrations/types_test.go
@@ -375,3 +375,25 @@ func TestCustomType2(t *testing.T) {
 
 	fmt.Println(users)
 }
+
+func TestUnsigned(t *testing.T) {
+	type MyUnsignedStruct struct {
+		Id uint64
+	}
+
+	assert.NoError(t, PrepareEngine())
+	assertSync(t, new(MyUnsignedStruct))
+
+	tables, err := testEngine.DBMetas()
+	assert.NoError(t, err)
+	assert.EqualValues(t, 1, len(tables))
+	assert.EqualValues(t, 1, len(tables[0].Columns()))
+
+	switch testEngine.Dialect().URI().DBType {
+	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)
+	}
+
+}