milvus 的 expr 过滤的时候只能用 运算符右侧只能是常量吗

[YCYyuxiangbuyu]

milvus 的 expr 过滤的时候只能用 运算符右侧只能是常量吗

[yhmo]

Assume the collection has these fields:
"id" Int64
"doc_id" Int64
"content" Varchar
"title" Varchar

expr	legal?
expr = "id > doc_id"	yes
expr = "id > doc_id + 1"	no
expr = "doc_id == id"	yes
expr = "doc_id == id + 1"	no
expr = "content == title"	yes