PQntuples

Function

PQntuples is used to return the number of rows (tuples) in the query result. An overflow may occur if the return value is out of the value range allowed in a 32-bit OS.

Prototype

int PQntuples(const PGresult *res);

Parameter

Table 1 PQntuples parameters

Keyword

Parameter Description

res

Operation result handle.

Return Value

Value of the int type

Examples

For details, see Example.

Feedback
编组 3备份
    openGauss 2024-04-15 00:46:08
    cancel