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use crate::error::Result;
use std::collections::HashMap;
use std::fmt;
#[derive(PartialEq, Debug)]
pub enum ColumnValue<'a> {
Byte(i8),
UByte(u8),
Bool(bool),
Short(i16),
UShort(u16),
Int(i32),
UInt(u32),
Long(i64),
ULong(u64),
Float(f32),
Double(f64),
String(&'a str),
Json(&'a str),
DateTime(&'a str),
Binary(&'a [u8]),
}
#[allow(unused_variables)]
pub trait PropertyProcessor {
fn property(&mut self, idx: usize, name: &str, value: &ColumnValue) -> Result<bool> {
Ok(true)
}
}
impl fmt::Display for ColumnValue<'_> {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
match self {
ColumnValue::Byte(v) => write!(f, "{}", v),
ColumnValue::UByte(v) => write!(f, "{}", v),
ColumnValue::Bool(v) => write!(f, "{}", v),
ColumnValue::Short(v) => write!(f, "{}", v),
ColumnValue::UShort(v) => write!(f, "{}", v),
ColumnValue::Int(v) => write!(f, "{}", v),
ColumnValue::UInt(v) => write!(f, "{}", v),
ColumnValue::Long(v) => write!(f, "{}", v),
ColumnValue::ULong(v) => write!(f, "{}", v),
ColumnValue::Float(v) => write!(f, "{}", v),
ColumnValue::Double(v) => write!(f, "{}", v),
ColumnValue::String(v) => write!(f, "{}", v),
ColumnValue::Json(v) => write!(f, "{}", v),
ColumnValue::DateTime(v) => write!(f, "{}", v),
ColumnValue::Binary(_v) => write!(f, "[BINARY]"),
}
}
}
impl PropertyProcessor for HashMap<String, String> {
fn property(&mut self, _idx: usize, colname: &str, colval: &ColumnValue) -> Result<bool> {
self.insert(colname.to_string(), colval.to_string());
Ok(false)
}
}