public String getTypeName(Class<?> type) {
        Integer jdbcType = jdbcTypeMapping.get(type);
        if (jdbcType == null) {
            jdbcType = javaTypeMapping.getType(type).getSQLTypes()[0];
        }
        return templates.getTypeNameForCode(jdbcType);
    }
Get the SQL type name for the given java type

@param type java type
@return SQL type name
querydsl-sql/src/main/java/com/querydsl/sql/Configuration.java