Cast waterline types into SQL data types
function sqlTypeCast(type, attrName) {
    type = type && type.toLowerCase();

    switch (type) {
        case 'string':
            return 'VARCHAR2(255)';

        case 'text':
        case 'array':
        case 'json':
            return 'VARCHAR2(255)';

        case 'boolean':
            return 'NUMBER(1) CHECK("' + attrName + '" IN (0,1))';

        case 'int':
        case 'integer':
            return 'NUMBER';

        case 'float':
        case 'double':
            return 'FLOAT';

        case 'date':
            return 'DATE';

        case 'datetime':
            return 'TIMESTAMP';

        case 'binary':
            return 'BLOB';

        default:
            console.error("Unregistered type given: " + type);
            return "TEXT";
    }
}