pub unsafe extern "C" fn dpiStmt_define(
stmt: *mut dpiStmt,
pos: u32,
var: *mut dpiVar,
) -> c_intExpand description
Defines the variable that will be used to fetch rows from the statement. A reference to the variable will be retained until the next define is performed on the same position or the statement is closed.
The function returns DPI_SUCCESS for success and DPI_FAILURE for failure.