Enum CheckExpr 

pub enum CheckExpr {
    GreaterThan {
        column: String,
        value: i64,
    },
    GreaterOrEqual {
        column: String,
        value: i64,
    },
    LessThan {
        column: String,
        value: i64,
    },
    LessOrEqual {
        column: String,
        value: i64,
    },
    Between {
        column: String,
        low: i64,
        high: i64,
    },
    In {
        column: String,
        values: Vec<String>,
    },
    Regex {
        column: String,
        pattern: String,
    },
    MaxLength {
        column: String,
        max: usize,
    },
    MinLength {
        column: String,
        min: usize,
    },
    NotNull {
        column: String,
    },
    And(Box<CheckExpr>, Box<CheckExpr>),
    Or(Box<CheckExpr>, Box<CheckExpr>),
    Not(Box<CheckExpr>),
}

CHECK constraint expression (AST-native, no raw SQL)

Variants

GreaterThan

column > value

Fields

column: String

value: i64

GreaterOrEqual

column >= value

Fields

column: String

value: i64

LessThan

column < value

Fields

column: String

value: i64

LessOrEqual

column <= value

Fields

column: String

value: i64

Between

Fields

column: String

low: i64

high: i64

In

Fields

column: String

values: Vec<String>

Regex

column ~ pattern (regex)

Fields

column: String

pattern: String

MaxLength

LENGTH(column) <= max

Fields

column: String

max: usize

MinLength

LENGTH(column) >= min

Fields

column: String

min: usize

NotNull

Fields

column: String

And(Box<CheckExpr>, Box<CheckExpr>)

Or(Box<CheckExpr>, Box<CheckExpr>)

Not(Box<CheckExpr>)

Trait Implementations

impl Clone for CheckExpr

fn clone(&self) -> CheckExpr

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for CheckExpr

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.