SPI_returntuple
庘昄劉
SPI_returntuple -- 庖崺檪婔婻臯嘷嘩 Datum 誫啂
寘傋
HeapTupleHeader SPI_returntuple(HeapTuple row, TupleDesc rowdesc)
柟誄
SPI_returntuple 婘婪北欓臯蔙䯇嵄麯彽嘩婔婻臯䔇拙蘺幽婫檪垄傖臯䌂傋 Datum 䔇嘵嚟誫啂㔗欔誫啂䔇毺鐽婘誫啂幋嬉埻驔襕䫘 PointerGetDatum 蘸扵潊 Datum
臙濘懟認婻庘昄庫臖埻䫘庯闼底弄滯婺誫啂崉劽䌂傋䔇庘昄㔗垄婉䫘庯蓥埏単䫘 SPI_copytuple 婘蓥埏単婺誫啂婔婻媞櫹誺䔇臯㔗
埗昄
- HeapTuple row
儖襕赆拙蘺䔇臯
- TupleDesc rowdesc
臯䔇柟誄严(懟渇鄘嚹锐劯湙䔇柟誄严埇傖诙埡橔醻䚷喾昽䯺)
誫啂唚
毺劏拙蘺庺準䔇臯䔇 HeapTupleHeader 埻橬婘 row 潡 rowdesc 滇 NULL 䔇施唍欉誫啂 NULL