init - add project files

tools/jet-2.12.0/generator/metadata/column_meta_data.go

@@ -0,0 +1,31 @@
+package metadata
+
+// Column struct
+type Column struct {
+	Name         string `sql:"primary_key"`
+	IsPrimaryKey bool
+	IsNullable   bool
+	IsGenerated  bool
+	HasDefault   bool
+	DataType     DataType
+	Comment      string
+}
+
+// DataTypeKind is database type kind(base, enum, user-defined, array)
+type DataTypeKind string
+
+// DataTypeKind possible values
+const (
+	BaseType        DataTypeKind = "base"
+	EnumType        DataTypeKind = "enum"
+	UserDefinedType DataTypeKind = "user-defined"
+	ArrayType       DataTypeKind = "array"
+	RangeType       DataTypeKind = "range"
+)
+
+// DataType contains information about column data type
+type DataType struct {
+	Name       string
+	Kind       DataTypeKind
+	IsUnsigned bool
+}