从Postgres中的动态查询插入

Question

使用我以前的文章中发布的参考解决方案，导致了另外一种情况。 尝试插入我的目标表时（如下图所示）。

-- Table: normalized_transaction

-- DROP TABLE normalized_transaction;

CREATE TABLE normalized_transaction
(
  transaction_id uuid,
  file_id uuid,
  account_number character varying(40),
  currency character varying(3),
  trade_date date,
  value_date date,
  narration character varying(200),
  amount numeric,
  mesitis_account_number character varying(50),
  tag character varying(255),
  supporting_file_id uuid,
  supporting_record_id uuid,
  status integer DEFAULT 0,
  source_type integer,
  record_index integer DEFAULT 0
)

使用类似的查询

INSERT INTO normalized_transaction(account_number, currency, trade_date)
select gen_Test('english');
fetch all in english;

结果出错：

ERROR:  INSERT has more target columns than expressions
LINE 2: ...NSERT INTO normalized_transaction(account_number, currency, ...
                                                             ^
********** Error **********

ERROR: INSERT has more target columns than expressions
SQL state: 42601
Character: 53



select gen_Test('english');
    fetch all in english;

仅用于上述查询的参考输出：

将结果从表中插入的合适方法是什么。

Answer 1

您可以这样尝试：

INSERT INTO normalized_transaction(account_number, currency, trade_date)
SELECT foo.*
FROM gen_Test('english') as foo;