Postgresql 中文操作指南
SPI_gettype
SPI_gettype — 返回指定列的数据类型名称
SPI_gettype — return the data type name of the specified column
Description
SPI_gettype 返回指定列的数据类型名称的副本。(在不再需要时,可以使用 pfree 来释放名称的副本。)
SPI_gettype returns a copy of the data type name of the specified column. (You can use pfree to release the copy of the name when you don’t need it anymore.)