该行文如下:
product_properties.includes(:property).where("properties.name = Label Description ").first
It exists in a "Product" model, which has_many :product_properties. The SQL is generating, but throwing a MySQL error because it is trying to SELECT a blank column:
SELECT `product_properties`.`` AS t0_r0, `product_properties`.`id` AS t0_r1, ...
我怎么能打断造成塞选塔一只空白的row子是什么?
我找到答案。 该组正在研究上文选任表第二栏。 它是“id”。 这通常属于第一栏。
本表中的“id”并非主要关键,因此表格没有主要关键。 很显然,在3.1方面发生了急性毒性反应效应变化,导致铁路寻找一种主要钥匙,如果找不到一条钥匙,则会回空白。 这就造成了问题。 我不知道这是否是铁路。
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