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use super::*; use crate::SqlType; use chrono::NaiveDate; impl SqlValue<SQL_DATE_STRUCT> for NaiveDate { fn clean(&mut self, context: &mut SQL_DATE_STRUCT) -> SqlResult { *self = SqlDefault::default(); *context = Default::default(); Ok(()) } fn bind_column( &mut self, column: &SqlColumn, statement: &mut SqlStatement, context: &mut SQL_DATE_STRUCT, indicator: &mut SQLLEN, ) -> SqlResult { let ret = unsafe { SQLBindCol( statement.typed_handle(), column.col_number, NaiveDate::C_DATA_TYPE, (context as *mut SQL_DATE_STRUCT) as SQLPOINTER, std::mem::size_of::<SQL_DATE_STRUCT>() as SQLLEN, indicator, ) }; check_bind_column_result(statement, ret) } fn get_data( &mut self, column: &SqlColumn, statement: &mut SqlStatement, context: &mut SQL_DATE_STRUCT, indicator: &mut SQLLEN, ) -> SqlPoll { let ret = unsafe { SQLGetData( statement.typed_handle(), column.col_number, NaiveDate::C_DATA_TYPE, (context as *mut SQL_DATE_STRUCT) as SQLPOINTER, std::mem::size_of::<SQL_DATE_STRUCT>() as SQLLEN, indicator, ) }; check_get_data_status_code(statement, ret) } fn bind_parameter( &mut self, parameter_number: SQLUSMALLINT, options: SqlBindParameterOptions, statement: &SqlStatement, context: &mut SQL_DATE_STRUCT, indicator: &mut SQLLEN, ) -> SqlResult { *indicator = std::mem::size_of::<SQL_DATE_STRUCT>() as SQLLEN; use chrono::Datelike; let year = self.year(); assert!(year >= std::i16::MIN.into() && year <= std::i16::MAX.into()); let month = self.month(); assert!(month >= std::u16::MIN.into() && month <= std::u16::MAX.into()); let day = self.day(); assert!(day >= std::u16::MIN.into() && day <= std::u16::MAX.into()); *context = SQL_DATE_STRUCT { year: year as SQLSMALLINT, month: month as SQLUSMALLINT, day: day as SQLUSMALLINT, }; let ret = unsafe { SQLBindParameter( statement.typed_handle(), parameter_number, SQL_PARAM_INPUT, NaiveDate::C_DATA_TYPE, options.get_parameter_type::<NaiveDate>(), options.precision, options.get_decimal_digits::<NaiveDate>(), (context as *mut SQL_DATE_STRUCT) as SQLPOINTER, std::mem::size_of::<SQL_DATE_STRUCT>() as SQLLEN, indicator, ) }; check_bind_parameter_result(statement, ret) } fn flush_context( &mut self, context: &mut SQL_DATE_STRUCT, indicator: &mut SQLLEN, ) -> SqlResult { if *indicator == SQL_NULL_DATA { *self = SqlDefault::default(); } else { *self = NaiveDate::from_ymd( i32::from(context.year), u32::from(context.month), u32::from(context.day), ); } Ok(()) } } #[cfg(test)] mod tests { use super::*; #[test] fn visit() { use odbc_futures_derive::Odbc; #[allow(dead_code)] #[derive(Copy, Clone, Odbc)] struct Date { a: NaiveDate, b: Option<NaiveDate>, } impl Default for Date { fn default() -> Date { Date { a: SqlDefault::default(), b: None, } } } } }