MySQL :: MySQL 8.4 C API Developer Guide :: 6.4.13 mysql_stmt_fetch_column() (original) (raw)
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6.4.13 mysql_stmt_fetch_column()
int
mysql_stmt_fetch_column(MYSQL_STMT *stmt,
MYSQL_BIND *bind,
unsigned int column,
unsigned long offset)
Description
Fetches one column from the current result set row.bind
provides the buffer where data should be placed. It should be set up the same way as formysql_stmt_bind_result().column
indicates which column to fetch. The first column is numbered 0. offset
is the offset within the data value at which to begin retrieving data. This can be used for fetching the data value in pieces. The beginning of the value is offset 0.
Return Values
Zero for success. Nonzero if an error occurred.
Errors
- CR_INVALID_PARAMETER_NO
Invalid column number. - CR_NO_DATA
The end of the result set has already been reached.