Poco::Data::MySQL

class ResultMetadata

Library: Data
Package: MySQL
Header: Poco/Data/MySQL/ResultMetadata.h

Description

MySQL result metadata

Member Summary

Member Functions: columnsReturned, init, isNull, length, metaColumn, rawData, reset, row

Member Functions

columnsReturned

std::size_t columnsReturned() const;

Returns the number of columns in resultset.

init

void init(
    MYSQL_STMT * stmt
);

Initializes the metadata.

isNull

bool isNull(
    std::size_t pos
) const;

Returns true if value at pos is null.

length

std::size_t length(
    std::size_t pos
) const;

Returns the length.

metaColumn

const MetaColumn & metaColumn(
    std::size_t pos
) const;

Returns the reference to the specified metacolumn.

rawData

const unsigned char * rawData(
    std::size_t pos
) const;

Returns raw data.

reset

void reset();

Resets the metadata.

row

MYSQL_BIND * row();

Returns pointer to native row.