QueryExecute 相当于 new Query getPrefix()

Question

我有一些现有代码

local.query = new Query();
local.query = setDataSource(application.DSN);
local.setSQL("
  SELECT ... 
  ");

local.result = local.query.execute(); // I am OK up to this point

local.prefix = local.result.getPrefix();

我知道这会获取查询的元信息。

如何将其转换为

local.prefix = QueryExecute("
 SELECT ... 
 ",
 [],
 {datasource : application.DSN}
 );

现在呢？我在哪里做 getPrefix()?

Answer 1

从 queryExecute()

返回了一个结果集

local.result = QueryExecute("
 SELECT ... ", [],
 {datasource : application.DSN}
 ); 

local.prefix = result.prefix

QueryExecute 相当于 new Query getPrefix()

QueryExecute equivalent to new Query getPrefix()

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