PgSQl临时表创建及应用实例解析

Create Table If Not Exists temp.MyTable(
xxx varchar (20) Primary key ,
thTime varchar (20) ,
name varchar (20)
)

SELECT
  ids,
  code,
   INTO TEMP TABLE tmp0
FROM
  TEMP .m_product_x
WHERE
  TEMP .m_product_x.ids = ''
GROUP BY
  TEMP .m_product_x.code,
  TEMP .m_product_x.ids;
 
CREATE INDEX idx_tmp0_inner_cd ON tmp0 (code);
 
SELECT
*
FROM
  TEMP .m_product
INNER JOIN tmp0 ON TEMP .m_product.code = tmp0.code
WHERE
  TEMP .m_product.ids = ''
ORDER BY
  tmp0.xx,
  tmp0.ss;
DROP TABLE tmp0;