Help Center/ GaussDB/ Developer Guide(Centralized_2.x)/ API Reference/ libpq/ Database Statement Execution Functions/ PQfname
Updated on 2023-10-23 GMT+08:00
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PQfname

Function

PQfname is used to return 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 column_number);

Parameter

Table 1 PQfname parameters

Keyword

Parameter Description

res

Operation result handle.

column_number

Number of columns.

Return Value

char pointers

Example

For details, see Example.