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mysql_stmt_send_long_data(3) | MariaDB Connector/C | mysql_stmt_send_long_data(3) |
Name¶
mysql_stmt_send_long_data - Sends data in chunks
Synopsis¶
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#include <mysql.h> my_bool mysql_stmt_send_long_data(MYSQL_STMT * stmt,
unsigned int,
const char * data,
unsigned long);
Description¶
Allows sending parameter data to the server in pieces (or chunks), e.g. if the size of a blob exceeds the size of max_allowed_packet size. This function can be called multiple times to send the parts of a character or binary data value for a column, which must be one of the TEXT or BLOB datatypes.
Parameter¶
- •
- stmt - a statement handle, which was previously allocated by mysql_stmt_init(3).
- •
- param_no - indicates which parameter to associate the data with. Parameters are numbered beginning with 0.
- •
- data - a buffer containing the data to send.
- •
- long - size of the data buffer.
Return value¶
Returns zero on success, nonzero if an error occurred.
Notes¶
- •
- mysql_stmt_send_long_data() must be called before mysql_stmt_execute(3).
- •
- bound variables for this column will be ignored when calling mysql_stmt_execute(3).
See also¶
Version 3.3.1 |