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use super::*; use crate::util; use chrono::{NaiveDate, NaiveDateTime, NaiveTime}; impl SqlValue<SQL_TIMESTAMP_STRUCT> for NaiveDateTime { fn clean(&mut self, context: &mut SQL_TIMESTAMP_STRUCT) -> SqlResult { *self = SqlDefault::default(); *context = Default::default(); Ok(()) } fn bind_column( &mut self, column: &SqlColumn, statement: &mut SqlStatement, context: &mut SQL_TIMESTAMP_STRUCT, indicator: &mut SQLLEN, ) -> SqlResult { let ret = unsafe { SQLBindCol( statement.typed_handle(), column.col_number, NaiveDateTime::C_DATA_TYPE, (context as *mut SQL_TIMESTAMP_STRUCT) as SQLPOINTER, std::mem::size_of::<SQL_TIMESTAMP_STRUCT>() as SQLLEN, indicator, ) }; check_bind_column_result(statement, ret) } fn get_data( &mut self, column: &SqlColumn, statement: &mut SqlStatement, context: &mut SQL_TIMESTAMP_STRUCT, indicator: &mut SQLLEN, ) -> SqlPoll { let ret = unsafe { SQLGetData( statement.typed_handle(), column.col_number, NaiveDateTime::C_DATA_TYPE, (context as *mut SQL_TIMESTAMP_STRUCT) as SQLPOINTER, std::mem::size_of::<SQL_TIMESTAMP_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_TIMESTAMP_STRUCT, indicator: &mut SQLLEN, ) -> SqlResult { *indicator = std::mem::size_of::<SQL_TIMESTAMP_STRUCT>() as SQLLEN; use chrono::{Datelike, Timelike}; 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()); let hour = self.hour(); assert!(hour >= std::u16::MIN.into() && hour <= std::u16::MAX.into()); let minute = self.minute(); assert!(minute >= std::u16::MIN.into() && minute <= std::u16::MAX.into()); let second = self.second(); assert!(second >= std::u16::MIN.into() && second <= std::u16::MAX.into()); let fraction = self.nanosecond(); let decimal_digits = options.get_decimal_digits::<NaiveDateTime>(); *context = SQL_TIMESTAMP_STRUCT { year: year as SQLSMALLINT, month: month as SQLUSMALLINT, day: day as SQLUSMALLINT, hour: hour as SQLUSMALLINT, minute: minute as SQLUSMALLINT, second: second as SQLUSMALLINT, fraction: util::truncate_nanoseconds(fraction as SQLUINTEGER, decimal_digits), }; let ret = unsafe { SQLBindParameter( statement.typed_handle(), parameter_number, SQL_PARAM_INPUT, NaiveDateTime::C_DATA_TYPE, options.get_parameter_type::<NaiveDateTime>(), options.precision, decimal_digits, (context as *mut SQL_TIMESTAMP_STRUCT) as SQLPOINTER, std::mem::size_of::<SQL_TIMESTAMP_STRUCT>() as SQLLEN, indicator, ) }; check_bind_parameter_result(statement, ret) } fn flush_context( &mut self, context: &mut SQL_TIMESTAMP_STRUCT, indicator: &mut SQLLEN, ) -> SqlResult { if *indicator == SQL_NULL_DATA { *self = SqlDefault::default(); } else { let date = NaiveDate::from_ymd( i32::from(context.year), u32::from(context.month), u32::from(context.day), ); let time = NaiveTime::from_hms_nano( u32::from(context.hour), u32::from(context.minute), u32::from(context.second), u32::from(context.fraction), ); *self = NaiveDateTime::new(date, time); } Ok(()) } } #[cfg(test)] mod tests { use super::*; #[test] fn visit() { use odbc_futures_derive::Odbc; #[allow(dead_code)] #[derive(Copy, Clone, Odbc)] struct DateTime { a: NaiveDateTime, b: Option<NaiveDateTime>, } impl Default for DateTime { fn default() -> DateTime { DateTime { a: SqlDefault::default(), b: None, } } } } }