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 }