Help Center/ GaussDB/ Developer Guide(Centralized_8.x)/ Application Development Guide/ Development Based on libpq/ libpq Interface Reference/ Database Statement Execution Functions/ PQfname
Updated on 2024-06-03 GMT+08:00
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PQfname

Function

Returns the column name associated with the given column number. Column numbers start from 0. The caller should not release the result directly. The result will be released when the associated PGresult handle is passed to PQclear.

Prototype

char* PQfname(const PGresult* res, int field_num);

Parameter

Table 1 PQfname parameters

Keyword

Parameter Description

res

Operation result handle.

column_number

Number of columns.

Return Value

char pointers