Major Description
In the 1.5.4.1 version of Kylin. we firstly add a new SUM(MAX, MIN...) measure and then add a Extend Column measure, finally save the cube will fail.
Because of the json data of Extend Column measure is like this:
{
"name": "周起始日",
"function": {
"expression": "EXTENDED_COLUMN",
"returntype": "extendedcolumn(100)",
"parameter": {
"type": "column",
"value": "WK",
"next_parameter": {
"type": "column",
"value": "WK_FROM",
"next_parameter": {}
}
},
"configuration": null
}
}
the last next_parameter is {}, it should be null.
This bug may be introduced by KYLIN-1767.