Rename BorrowedValue -> ValueRef.

This commit is contained in:
John Gallagher
2016-05-24 21:34:18 -04:00
parent 308789495c
commit 2f4990dafd
8 changed files with 67 additions and 67 deletions

View File

@@ -7,7 +7,7 @@ use self::chrono::{NaiveDate, NaiveTime, NaiveDateTime, DateTime, TimeZone, UTC,
use libc::c_int;
use {Error, Result};
use types::{FromSql, ToSql, BorrowedValue};
use types::{FromSql, ToSql, ValueRef};
use ffi::sqlite3_stmt;
@@ -21,7 +21,7 @@ impl ToSql for NaiveDate {
/// "YYYY-MM-DD" => ISO 8601 calendar date without timezone.
impl FromSql for NaiveDate {
fn column_result(value: BorrowedValue) -> Result<Self> {
fn column_result(value: ValueRef) -> Result<Self> {
value.as_str().and_then(|s| match NaiveDate::parse_from_str(s, "%Y-%m-%d") {
Ok(dt) => Ok(dt),
Err(err) => Err(Error::FromSqlConversionFailure(Box::new(err))),
@@ -39,7 +39,7 @@ impl ToSql for NaiveTime {
/// "HH:MM"/"HH:MM:SS"/"HH:MM:SS.SSS" => ISO 8601 time without timezone.
impl FromSql for NaiveTime {
fn column_result(value: BorrowedValue) -> Result<Self> {
fn column_result(value: ValueRef) -> Result<Self> {
value.as_str().and_then(|s| {
let fmt = match s.len() {
5 => "%H:%M",
@@ -65,7 +65,7 @@ impl ToSql for NaiveDateTime {
/// "YYYY-MM-DD HH:MM:SS"/"YYYY-MM-DD HH:MM:SS.SSS" => ISO 8601 combined date and time
/// without timezone. ("YYYY-MM-DDTHH:MM:SS"/"YYYY-MM-DDTHH:MM:SS.SSS" also supported)
impl FromSql for NaiveDateTime {
fn column_result(value: BorrowedValue) -> Result<Self> {
fn column_result(value: ValueRef) -> Result<Self> {
value.as_str().and_then(|s| {
let fmt = if s.len() >= 11 && s.as_bytes()[10] == b'T' {
"%Y-%m-%dT%H:%M:%S%.f"
@@ -91,7 +91,7 @@ impl<Tz: TimeZone> ToSql for DateTime<Tz> {
/// RFC3339 ("YYYY-MM-DDTHH:MM:SS.SSS[+-]HH:MM") into DateTime<UTC>.
impl FromSql for DateTime<UTC> {
fn column_result(value: BorrowedValue) -> Result<Self> {
fn column_result(value: ValueRef) -> Result<Self> {
{
// Try to parse value as rfc3339 first.
let s = try!(value.as_str());
@@ -121,7 +121,7 @@ impl FromSql for DateTime<UTC> {
/// RFC3339 ("YYYY-MM-DDTHH:MM:SS.SSS[+-]HH:MM") into DateTime<Local>.
impl FromSql for DateTime<Local> {
fn column_result(value: BorrowedValue) -> Result<Self> {
fn column_result(value: ValueRef) -> Result<Self> {
let utc_dt = try!(DateTime::<UTC>::column_result(value));
Ok(utc_dt.with_timezone(&Local))
}

View File

@@ -1,36 +1,36 @@
use super::{BorrowedValue, Value};
use super::{ValueRef, Value};
use ::Result;
use ::error::Error;
/// A trait for types that can be created from a SQLite value.
pub trait FromSql: Sized {
fn column_result(value: BorrowedValue) -> Result<Self>;
fn column_result(value: ValueRef) -> Result<Self>;
}
impl FromSql for i32 {
fn column_result(value: BorrowedValue) -> Result<Self> {
fn column_result(value: ValueRef) -> Result<Self> {
i64::column_result(value).map(|i| i as i32)
}
}
impl FromSql for i64 {
fn column_result(value: BorrowedValue) -> Result<Self> {
fn column_result(value: ValueRef) -> Result<Self> {
value.as_i64()
}
}
impl FromSql for f64 {
fn column_result(value: BorrowedValue) -> Result<Self> {
fn column_result(value: ValueRef) -> Result<Self> {
match value {
BorrowedValue::Integer(i) => Ok(i as f64),
BorrowedValue::Real(f) => Ok(f),
ValueRef::Integer(i) => Ok(i as f64),
ValueRef::Real(f) => Ok(f),
_ => Err(Error::InvalidColumnType),
}
}
}
impl FromSql for bool {
fn column_result(value: BorrowedValue) -> Result<Self> {
fn column_result(value: ValueRef) -> Result<Self> {
i64::column_result(value).map(|i| match i {
0 => false,
_ => true,
@@ -39,28 +39,28 @@ impl FromSql for bool {
}
impl FromSql for String {
fn column_result(value: BorrowedValue) -> Result<Self> {
fn column_result(value: ValueRef) -> Result<Self> {
value.as_str().map(|s| s.to_string())
}
}
impl FromSql for Vec<u8> {
fn column_result(value: BorrowedValue) -> Result<Self> {
fn column_result(value: ValueRef) -> Result<Self> {
value.as_blob().map(|b| b.to_vec())
}
}
impl<T: FromSql> FromSql for Option<T> {
fn column_result(value: BorrowedValue) -> Result<Self> {
fn column_result(value: ValueRef) -> Result<Self> {
match value {
BorrowedValue::Null => Ok(None),
ValueRef::Null => Ok(None),
_ => FromSql::column_result(value).map(Some),
}
}
}
impl FromSql for Value {
fn column_result(value: BorrowedValue) -> Result<Self> {
fn column_result(value: ValueRef) -> Result<Self> {
Ok(value.into())
}
}

View File

@@ -29,7 +29,7 @@
//! pub struct TimespecSql(pub time::Timespec);
//!
//! impl FromSql for TimespecSql {
//! fn column_result(value: BorrowedValue) -> Result<Self> {
//! fn column_result(value: ValueRef) -> Result<Self> {
//! f64::column_result(value).map(|as_f64| {
//! TimespecSql(time::Timespec{ sec: as_f64.trunc() as i64,
//! nsec: (as_f64.fract() * 1.0e9) as i32 })
@@ -56,9 +56,9 @@ pub use ffi::{SQLITE_INTEGER, SQLITE_FLOAT, SQLITE_TEXT, SQLITE_BLOB, SQLITE_NUL
pub use self::from_sql::FromSql;
pub use self::to_sql::ToSql;
pub use self::borrowed_value::BorrowedValue;
pub use self::value_ref::ValueRef;
mod borrowed_value;
mod value_ref;
mod from_sql;
mod to_sql;
mod time;
@@ -89,7 +89,7 @@ pub struct Null;
/// Owning [dynamic type value](http://sqlite.org/datatype3.html). Value's type is typically
/// dictated by SQLite (not by the caller).
///
/// See [`BorrowedValue`](enum.BorrowedValue.html) for a non-owning dynamic type value.
/// See [`ValueRef`](enum.ValueRef.html) for a non-owning dynamic type value.
#[derive(Clone,Debug,PartialEq)]
pub enum Value {
/// The value is a `NULL` value.

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@@ -5,7 +5,7 @@ use libc::c_int;
use self::serde_json::Value;
use {Error, Result};
use types::{FromSql, ToSql, BorrowedValue};
use types::{FromSql, ToSql, ValueRef};
use ffi::sqlite3_stmt;
@@ -19,10 +19,10 @@ impl ToSql for Value {
/// Deserialize text/blob to JSON `Value`.
impl FromSql for Value {
fn column_result(value: BorrowedValue) -> Result<Self> {
fn column_result(value: ValueRef) -> Result<Self> {
match value {
BorrowedValue::Text(ref s) => serde_json::from_str(s),
BorrowedValue::Blob(ref b) => serde_json::from_slice(b),
ValueRef::Text(ref s) => serde_json::from_str(s),
ValueRef::Blob(ref b) => serde_json::from_slice(b),
_ => return Err(Error::InvalidColumnType),
}.map_err(|err| Error::FromSqlConversionFailure(Box::new(err)))
}

View File

@@ -2,7 +2,7 @@ extern crate time;
use libc::c_int;
use {Error, Result};
use types::{FromSql, ToSql, BorrowedValue};
use types::{FromSql, ToSql, ValueRef};
use ffi::sqlite3_stmt;
@@ -16,7 +16,7 @@ impl ToSql for time::Timespec {
}
impl FromSql for time::Timespec {
fn column_result(value: BorrowedValue) -> Result<Self> {
fn column_result(value: ValueRef) -> Result<Self> {
value.as_str().and_then(|s| match time::strptime(s, SQLITE_DATETIME_FMT) {
Ok(tm) => Ok(tm.to_timespec()),
Err(err) => Err(Error::FromSqlConversionFailure(Box::new(err))),

View File

@@ -7,7 +7,7 @@ use super::Value;
///
/// See [`Value`](enum.Value.html) for an owning dynamic type value.
#[derive(Copy,Clone,Debug,PartialEq)]
pub enum BorrowedValue<'a> {
pub enum ValueRef<'a> {
/// The value is a `NULL` value.
Null,
/// The value is a signed integer.
@@ -20,12 +20,12 @@ pub enum BorrowedValue<'a> {
Blob(&'a [u8]),
}
impl<'a> BorrowedValue<'a> {
impl<'a> ValueRef<'a> {
/// If `self` is case `Integer`, returns the integral value. Otherwise, returns
/// `Err(Error::InvalidColumnType)`.
pub fn as_i64(&self) -> Result<i64> {
match *self {
BorrowedValue::Integer(i) => Ok(i),
ValueRef::Integer(i) => Ok(i),
_ => Err(Error::InvalidColumnType),
}
}
@@ -34,7 +34,7 @@ impl<'a> BorrowedValue<'a> {
/// `Err(Error::InvalidColumnType)`.
pub fn as_f64(&self) -> Result<f64> {
match *self {
BorrowedValue::Real(f) => Ok(f),
ValueRef::Real(f) => Ok(f),
_ => Err(Error::InvalidColumnType),
}
}
@@ -43,7 +43,7 @@ impl<'a> BorrowedValue<'a> {
/// `Err(Error::InvalidColumnType)`.
pub fn as_str(&self) -> Result<&str> {
match *self {
BorrowedValue::Text(ref t) => Ok(t),
ValueRef::Text(ref t) => Ok(t),
_ => Err(Error::InvalidColumnType),
}
}
@@ -52,32 +52,32 @@ impl<'a> BorrowedValue<'a> {
/// `Err(Error::InvalidColumnType)`.
pub fn as_blob(&self) -> Result<&[u8]> {
match *self {
BorrowedValue::Blob(ref b) => Ok(b),
ValueRef::Blob(ref b) => Ok(b),
_ => Err(Error::InvalidColumnType),
}
}
}
impl<'a> From<BorrowedValue<'a>> for Value {
fn from(borrowed: BorrowedValue) -> Value {
impl<'a> From<ValueRef<'a>> for Value {
fn from(borrowed: ValueRef) -> Value {
match borrowed {
BorrowedValue::Null => Value::Null,
BorrowedValue::Integer(i) => Value::Integer(i),
BorrowedValue::Real(r) => Value::Real(r),
BorrowedValue::Text(s) => Value::Text(s.to_string()),
BorrowedValue::Blob(b) => Value::Blob(b.to_vec()),
ValueRef::Null => Value::Null,
ValueRef::Integer(i) => Value::Integer(i),
ValueRef::Real(r) => Value::Real(r),
ValueRef::Text(s) => Value::Text(s.to_string()),
ValueRef::Blob(b) => Value::Blob(b.to_vec()),
}
}
}
impl<'a> From<&'a Value> for BorrowedValue<'a> {
fn from(value: &'a Value) -> BorrowedValue<'a> {
impl<'a> From<&'a Value> for ValueRef<'a> {
fn from(value: &'a Value) -> ValueRef<'a> {
match *value {
Value::Null => BorrowedValue::Null,
Value::Integer(i) => BorrowedValue::Integer(i),
Value::Real(r) => BorrowedValue::Real(r),
Value::Text(ref s) => BorrowedValue::Text(s),
Value::Blob(ref b) => BorrowedValue::Blob(b),
Value::Null => ValueRef::Null,
Value::Integer(i) => ValueRef::Integer(i),
Value::Real(r) => ValueRef::Real(r),
Value::Text(ref s) => ValueRef::Text(s),
Value::Blob(ref b) => ValueRef::Blob(b),
}
}
}