Incorrect ColumnType Nullable default

Description

Sqlite coumns that are neither NOT NULL or NULL are nullable by default. However, .Nullable() defaults to false and is only set true if the CREATE TABLE sql explicitly denotes the column as NULL

https://github.com/go-gorm/sqlite/blob/397ec6fa8c64060db1dd392675cf51ab919c4c3c/ddlmod.go#L122

columnType := migrator.ColumnType{
    <snip>
    NullableValue:     sql.NullBool{Valid: true},    //<--- .Bool implicitly false, i.e. NOT NULL 
    <snip>
}

matchUpper := strings.ToUpper(matches[3])
if strings.Contains(matchUpper, " NOT NULL") {
    columnType.NullableValue = sql.NullBool{Bool: false, Valid: true}
} else if strings.Contains(matchUpper, " NULL") {
    columnType.NullableValue = sql.NullBool{Bool: true, Valid: true}
}
...

go-gorm / sqlite

Incorrect ColumnType Nullable default #158

Description