如何重写为 Neo4j 4.4 创建全文搜索索引

Question

目前我们正在使用旧方法db.index.fulltext.createNodeIndex创建全文搜索索引，但由于这在 4.4 中已弃用如何使用 CREATE FULLTEXT INDEX 重写？

CALL db.propertyKeys() YIELD propertyKey CALL db.labels() YIELD label WITH 
collect(DISTINCT propertyKey) AS properties, 
collect(DISTINCT label) AS labels 
CALL db.index.fulltext.createNodeIndex("fullSearchIndex", labels, properties) RETURN labels, properties

Answer 1

APOC的可能解决方案：

CALL db.propertyKeys() YIELD propertyKey
CALL db.labels() YIELD label
WITH apoc.text.join(collect(DISTINCT propertyKey), ", n.") as properties, apoc.text.join(collect(DISTINCT label), "|") AS labels
CALL apoc.cypher.runSchema("CREATE FULLTEXT INDEX fullSearchIndex FOR (n:" + labels + ") ON EACH [n."+properties+"]", {}) YIELD value RETURN value

备注：runSchema需要用于模式操作。