glaredb_core 25.6.3

Core functionality for GlareDB
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29

use std::fmt;

use crate::arrays::scalar::{BorrowedScalarValue, ScalarValue};
use crate::explain::context_display::{ContextDisplay, ContextDisplayMode};

#[derive(Debug, Clone, PartialEq, Eq, Hash)]
pub struct LiteralExpr(pub ScalarValue);

impl ContextDisplay for LiteralExpr {
    fn fmt_using_context(
        &self,
        _mode: ContextDisplayMode,
        f: &mut fmt::Formatter<'_>,
    ) -> fmt::Result {
        match self.0 {
            BorrowedScalarValue::Utf8(_) => {
                // Quote strings.
                //
                // This shouldn't be put in the normal formatting for scalar
                // values since that's all used when displaying the result
                // output. But the display impl for this is used in the context
                // of printing an expression, and strings should be quoted in
                // that case.
                write!(f, "'{}'", self.0)
            }
            _ => write!(f, "{}", self.0),
        }
    }
}