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Improve parser for NOT EXISTS filter

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Allow multiple spaces between NOT and EXISTS
This commit is contained in:
Loïc Lecrenier
2022-06-15 09:14:19 +02:00
parent 0388b2d463
commit a5c9162250
3 changed files with 36 additions and 19 deletions
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10
filter-parser/src/condition.rs
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@ -7,11 +7,12 @@
use nom::branch::alt;
use nom::bytes::complete::tag;
use nom::character::complete::multispace1;
use nom::combinator::cut;
use nom::sequence::{terminated, tuple};
use Condition::*;
use crate::{parse_value, FilterCondition, IResult, Span, Token};
use crate::{parse_value, ws, FilterCondition, IResult, Span, Token};
#[derive(Debug, Clone, PartialEq, Eq)]
pub enum Condition<'a> {
@ -62,16 +63,17 @@ pub fn parse_condition(input: Span) -> IResult<FilterCondition> {
Ok((input, condition))
}
/// exist = value NOT EXISTS
/// exist = value "EXISTS"
pub fn parse_exists(input: Span) -> IResult<FilterCondition> {
let (input, key) = terminated(parse_value, tag("EXISTS"))(input)?;
Ok((input, FilterCondition::Condition { fid: key.into(), op: Exists }))
}
/// exist = value NOT EXISTS
/// exist = value "NOT" WS* "EXISTS"
pub fn parse_not_exists(input: Span) -> IResult<FilterCondition> {
let (input, key) = terminated(parse_value, tag("NOT EXISTS"))(input)?;
let (input, key) = parse_value(input)?;
let (input, _) = tuple((tag("NOT"), multispace1, tag("EXISTS")))(input)?;
Ok((input, FilterCondition::Condition { fid: key.into(), op: NotExists }))
}