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Functions for Processing Database Result/
PQnfields
Updated on 2025-03-13 GMT+08:00
PQnfields
Function
PQnfields is used to return the number of columns (fields) in each row of the query result.
Prototype
int PQnfields(const PGresult* res);
Parameter
Keyword |
Parameter Description |
---|---|
res |
Operation result handle. |
Return Value
Value of the int type
Example
For details, see Typical Application Development Examples.
Parent topic: Functions for Processing Database Result
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