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.

Parent topic: Database Statement Execution Functions

Previous topic: PQnfields

Next topic: PQprepare

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