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Introduce the NULL and NOT value NULL operator

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Clément Renault 2023-03-08 16:57:42 +01:00
parent 43ff236df8
commit 7c0cd7172d
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GPG key ID: 92ADA4E935E71FA4
4 changed files with 48 additions and 4 deletions
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20
filter-parser/src/lib.rs
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@ -47,7 +47,7 @@ mod value;
use std::fmt::Debug;
pub use condition::{parse_condition, parse_to, Condition};
use condition::{parse_exists, parse_not_exists};
use condition::{parse_exists, parse_not_exists, parse_not_null, parse_null};
use error::{cut_with_err, ExpectedValueKind, NomErrorExt};
pub use error::{Error, ErrorKind};
use nom::branch::alt;
@ -414,6 +414,8 @@ fn parse_primary(input: Span, depth: usize) -> IResult<FilterCondition> {
parse_in,
parse_not_in,
parse_condition,
parse_null,
parse_not_null,
parse_exists,
parse_not_exists,
parse_to,
@ -496,14 +498,23 @@ pub mod tests {
insta::assert_display_snapshot!(p("subscribers <= 1000"), @"{subscribers} <= {1000}");
insta::assert_display_snapshot!(p("subscribers 100 TO 1000"), @"{subscribers} {100} TO {1000}");
// Test NOT + EXISTS
insta::assert_display_snapshot!(p("subscribers EXISTS"), @"{subscribers} EXISTS");
// Test NOT
insta::assert_display_snapshot!(p("NOT subscribers < 1000"), @"NOT ({subscribers} < {1000})");
insta::assert_display_snapshot!(p("NOT subscribers 100 TO 1000"), @"NOT ({subscribers} {100} TO {1000})");
// Test NULL + NOT NULL
insta::assert_display_snapshot!(p("subscribers NULL"), @"{subscribers} NULL");
insta::assert_display_snapshot!(p("NOT subscribers NULL"), @"NOT ({subscribers} NULL)");
insta::assert_display_snapshot!(p("subscribers NOT NULL"), @"NOT ({subscribers} NULL)");
insta::assert_display_snapshot!(p("NOT subscribers NOT NULL"), @"{subscribers} NULL");
insta::assert_display_snapshot!(p("subscribers NOT NULL"), @"NOT ({subscribers} NULL)");
// Test EXISTS + NOT EXITS
insta::assert_display_snapshot!(p("subscribers EXISTS"), @"{subscribers} EXISTS");
insta::assert_display_snapshot!(p("NOT subscribers EXISTS"), @"NOT ({subscribers} EXISTS)");
insta::assert_display_snapshot!(p("subscribers NOT EXISTS"), @"NOT ({subscribers} EXISTS)");
insta::assert_display_snapshot!(p("NOT subscribers NOT EXISTS"), @"{subscribers} EXISTS");
insta::assert_display_snapshot!(p("subscribers NOT EXISTS"), @"NOT ({subscribers} EXISTS)");
insta::assert_display_snapshot!(p("NOT subscribers 100 TO 1000"), @"NOT ({subscribers} {100} TO {1000})");
// Test nested NOT
insta::assert_display_snapshot!(p("NOT NOT NOT NOT x = 5"), @"{x} = {5}");
@ -800,6 +811,7 @@ impl<'a> std::fmt::Display for Condition<'a> {
Condition::GreaterThanOrEqual(token) => write!(f, ">= {token}"),
Condition::Equal(token) => write!(f, "= {token}"),
Condition::NotEqual(token) => write!(f, "!= {token}"),
Condition::Null => write!(f, "NULL"),
Condition::Exists => write!(f, "EXISTS"),
Condition::LowerThan(token) => write!(f, "< {token}"),
Condition::LowerThanOrEqual(token) => write!(f, "<= {token}"),