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Rework ToSql to be implementable without unsafe.

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This commit is contained in:
John Gallagher
2016-05-25 22:57:43 -04:00
parent 9e49452300
commit e4926ac0d7
10 changed files with 206 additions and 122 deletions
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22
src/types/chrono.rs
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@@ -4,18 +4,15 @@ extern crate chrono;
use std::borrow::Cow;
use self::chrono::{NaiveDate, NaiveTime, NaiveDateTime, DateTime, TimeZone, UTC, Local};
use libc::c_int;
use {Error, Result};
use types::{FromSql, ToSql, ValueRef};
use ffi::sqlite3_stmt;
use types::{FromSql, ToSql, ToSqlOutput, ValueRef};
/// ISO 8601 calendar date without timezone => "YYYY-MM-DD"
impl ToSql for NaiveDate {
unsafe fn bind_parameter(&self, stmt: *mut sqlite3_stmt, col: c_int) -> c_int {
fn to_sql(&self) -> Result<ToSqlOutput> {
let date_str = self.format("%Y-%m-%d").to_string();
date_str.bind_parameter(stmt, col)
Ok(ToSqlOutput::from(date_str))
}
}
@@ -31,9 +28,9 @@ impl FromSql for NaiveDate {
/// ISO 8601 time without timezone => "HH:MM:SS.SSS"
impl ToSql for NaiveTime {
unsafe fn bind_parameter(&self, stmt: *mut sqlite3_stmt, col: c_int) -> c_int {
fn to_sql(&self) -> Result<ToSqlOutput> {
let date_str = self.format("%H:%M:%S%.f").to_string();
date_str.bind_parameter(stmt, col)
Ok(ToSqlOutput::from(date_str))
}
}
@@ -56,9 +53,9 @@ impl FromSql for NaiveTime {
/// ISO 8601 combined date and time without timezone => "YYYY-MM-DD HH:MM:SS.SSS"
impl ToSql for NaiveDateTime {
unsafe fn bind_parameter(&self, stmt: *mut sqlite3_stmt, col: c_int) -> c_int {
fn to_sql(&self) -> Result<ToSqlOutput> {
let date_str = self.format("%Y-%m-%dT%H:%M:%S%.f").to_string();
date_str.bind_parameter(stmt, col)
Ok(ToSqlOutput::from(date_str))
}
}
@@ -83,9 +80,8 @@ impl FromSql for NaiveDateTime {
/// Date and time with time zone => UTC RFC3339 timestamp ("YYYY-MM-DDTHH:MM:SS.SSS+00:00").
impl<Tz: TimeZone> ToSql for DateTime<Tz> {
unsafe fn bind_parameter(&self, stmt: *mut sqlite3_stmt, col: c_int) -> c_int {
let utc_dt = self.with_timezone(&UTC);
utc_dt.to_rfc3339().bind_parameter(stmt, col)
fn to_sql(&self) -> Result<ToSqlOutput> {
Ok(ToSqlOutput::from(self.with_timezone(&UTC).to_rfc3339()))
}
}