surrealpatch/lib/src/doc/check.rs

use crate::ctx::Context;
use crate::dbs::Options;
use crate::dbs::Statement;
use crate::doc::Document;
use crate::err::Error;

impl<'a> Document<'a> {
	pub async fn check(
		&self,
		ctx: &Context<'_>,
		opt: &Options,
		stm: &Statement<'_>,
	) -> Result<(), Error> {
		// Check where condition
		if let Some(cond) = stm.conds() {
			let mut ctx = Context::new(ctx);
			ctx.add_cursor_doc(&self.current);
			// Check if the expression is truthy
			if !cond.compute(&ctx, opt).await?.is_truthy() {
				// Ignore this document
				return Err(Error::Ignore);
			}
		}
		// Carry on
		Ok(())
	}
}