SolrCollapseFunction::getNullPolicy
(PECL solr >= 2.2.0)
SolrCollapseFunction::getNullPolicy — Returns null policy
说明
public SolrCollapseFunction::getNullPolicy(): string
Returns null policy used or null
参数
此函数没有参数。
返回值
参见
- SolrCollapseFunction::setNullPolicy() - Sets the NULL Policy
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