sibyl 0.7.0

An OCI-based (synchronous or asynchronous) interface between Rust applications and Oracle databases
Documentation 
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use crate::types::OracleDataType;
/// Implementation of traits that allow Intervals to be used as SQL parameters

use crate::{oci::*, ToSql, Result, stmt::Params};
use super::Interval;
use std::mem::size_of;

macro_rules! impl_int_to_sql {
    ($($ts:ty),+) => {
        $(
            impl ToSql for Interval<'_, $ts> {
                fn bind_to(&mut self, pos: usize, params: &mut Params, stmt: &OCIStmt, err: &OCIError) -> Result<usize> {
                    self.interval.bind_to(pos, params, stmt, err)
                }
            }
            impl ToSql for &Interval<'_, $ts> {
                fn bind_to(&mut self, pos: usize, params: &mut Params, stmt: &OCIStmt, err: &OCIError) -> Result<usize> {
                    let len = size_of::<*mut <$ts as DescriptorType>::OCIType>();
                    params.bind(pos, <$ts>::sql_type(), self.interval.as_ptr() as _, len, len, stmt, err)?;
                    Ok(pos + 1)
                }
            }
            impl ToSql for &mut Interval<'_, $ts> {
                fn bind_to(&mut self, pos: usize, params: &mut Params, stmt: &OCIStmt, err: &OCIError) -> Result<usize> {
                    let len = size_of::<*mut <$ts as DescriptorType>::OCIType>();
                    params.bind(pos, <$ts>::sql_type(), self.interval.as_mut_ptr() as _, len, len, stmt, err)?;
                    Ok(pos + 1)
                }
            }
            impl ToSql for &[Interval<'_, $ts>] {
                fn bind_to(&mut self, mut pos: usize, params: &mut Params, stmt: &OCIStmt, err: &OCIError) -> Result<usize> {
                    let len = size_of::<*mut <$ts as DescriptorType>::OCIType>();
                    for item in self.iter() {
                        params.bind(pos, <$ts>::sql_type(), item.interval.as_ptr() as _, len, len, stmt, err)?;
                        pos += 1;
                    }
                    Ok(pos)
                }
                fn update_from_bind(&mut self, pos: usize, _params: &Params) -> Result<usize> {
                    Ok(pos + self.len())
                }
            }
            impl ToSql for &[&Interval<'_, $ts>] {
                fn bind_to(&mut self, mut pos: usize, params: &mut Params, stmt: &OCIStmt, err: &OCIError) -> Result<usize> {
                    let len = size_of::<*mut <$ts as DescriptorType>::OCIType>();
                    for &item in self.iter() {
                        params.bind(pos, <$ts>::sql_type(), item.interval.as_ptr() as _, len, len, stmt, err)?;
                        pos += 1;
                    }
                    Ok(pos)
                }
                fn update_from_bind(&mut self, pos: usize, _params: &Params) -> Result<usize> {
                    Ok(pos + self.len())
                }
            }
            impl ToSql for &mut [&mut Interval<'_, $ts>] {
                fn bind_to(&mut self, mut pos: usize, params: &mut Params, stmt: &OCIStmt, err: &OCIError) -> Result<usize> {
                    let len = size_of::<*mut <$ts as DescriptorType>::OCIType>();
                    for item in self.iter_mut() {
                        params.bind(pos, <$ts>::sql_type(), item.interval.as_mut_ptr() as _, len, len, stmt, err)?;
                        pos += 1;
                    }
                    Ok(pos)
                }
                fn update_from_bind(&mut self, pos: usize, _params: &Params) -> Result<usize> {
                    Ok(pos + self.len())
                }
            }
            impl SqlType for Interval<'_, $ts> {
                fn sql_type() -> u16 {
                    <$ts>::sql_type()
                }
            }
            impl SqlType for &Interval<'_, $ts> {
                fn sql_type() -> u16 {
                    <$ts>::sql_type()
                }
            }
            impl SqlType for &mut Interval<'_, $ts> {
                fn sql_type() -> u16 {
                    <$ts>::sql_type()
                }
            }
        )+
    };
}

impl_int_to_sql!{ OCIIntervalYearToMonth, OCIIntervalDayToSecond }

impl OracleDataType for Interval<'_, OCIIntervalYearToMonth> {}
impl OracleDataType for &Interval<'_, OCIIntervalYearToMonth> {}
impl OracleDataType for &mut Interval<'_, OCIIntervalYearToMonth> {}
impl OracleDataType for Interval<'_, OCIIntervalDayToSecond> {}
impl OracleDataType for &Interval<'_, OCIIntervalDayToSecond> {}
impl OracleDataType for &mut Interval<'_, OCIIntervalDayToSecond> {}