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Allow Record IDs for relations in RELATE statements

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This commit is contained in:
Tobie Morgan Hitchcock 2023-01-17 10:33:05 +00:00
parent 9fa0a4fbb4
commit 286bbef507
1 changed files with 22 additions and 15 deletions
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37
lib/src/sql/statements/relate.rs
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@ -14,7 +14,7 @@ use crate::sql::error::IResult;
use crate::sql::output::{output, Output};
use crate::sql::param::plain as param;
use crate::sql::subquery::subquery;
use crate::sql::table::{table, Table};
use crate::sql::table::table;
use crate::sql::thing::thing;
use crate::sql::timeout::{timeout, Timeout};
use crate::sql::value::Value;
@ -30,7 +30,7 @@ use std::fmt;
#[derive(Clone, Debug, Default, Eq, PartialEq, Serialize, Deserialize, Store, Hash)]
pub struct RelateStatement {
pub kind: Table,
pub kind: Value,
pub from: Value,
pub with: Value,
pub uniq: bool,
@ -148,16 +148,23 @@ impl RelateStatement {
for w in with.iter() {
let f = f.clone();
let w = w.clone();
match &self.data {
// There is a data clause so check for a record id
Some(data) => match data.rid(ctx, opt, txn, &self.kind).await {
// There was a problem creating the record id
Err(e) => return Err(e),
// There is an id field so use the record id
Ok(t) => i.ingest(Iterable::Relatable(f, t, w)),
match &self.kind {
// The relation has a specific record id
Value::Thing(id) => i.ingest(Iterable::Relatable(f, id.to_owned(), w)),
// The relation does not have a specific record id
Value::Table(tb) => match &self.data {
// There is a data clause so check for a record id
Some(data) => match data.rid(ctx, opt, txn, tb).await {
// There was a problem creating the record id
Err(e) => return Err(e),
// There is an id field so use the record id
Ok(t) => i.ingest(Iterable::Relatable(f, t, w)),
},
// There is no data clause so create a record id
None => i.ingest(Iterable::Relatable(f, tb.generate(), w)),
},
// There is no data clause so create a record id
None => i.ingest(Iterable::Relatable(f, self.kind.generate(), w)),
// The relation can not be any other type
_ => unreachable!(),
};
}
}
@ -214,7 +221,7 @@ pub fn relate(i: &str) -> IResult<&str, RelateStatement> {
))
}
fn relate_o(i: &str) -> IResult<&str, (Table, Value, Value)> {
fn relate_o(i: &str) -> IResult<&str, (Value, Value, Value)> {
let (i, from) = alt((
map(subquery, Value::from),
map(array, Value::from),
@ -225,7 +232,7 @@ fn relate_o(i: &str) -> IResult<&str, (Table, Value, Value)> {
let (i, _) = char('-')(i)?;
let (i, _) = char('>')(i)?;
let (i, _) = mightbespace(i)?;
let (i, kind) = table(i)?;
let (i, kind) = alt((map(thing, Value::from), map(table, Value::from)))(i)?;
let (i, _) = mightbespace(i)?;
let (i, _) = char('-')(i)?;
let (i, _) = char('>')(i)?;
@ -239,7 +246,7 @@ fn relate_o(i: &str) -> IResult<&str, (Table, Value, Value)> {
Ok((i, (kind, from, with)))
}
fn relate_i(i: &str) -> IResult<&str, (Table, Value, Value)> {
fn relate_i(i: &str) -> IResult<&str, (Value, Value, Value)> {
let (i, with) = alt((
map(subquery, Value::from),
map(array, Value::from),
@ -250,7 +257,7 @@ fn relate_i(i: &str) -> IResult<&str, (Table, Value, Value)> {
let (i, _) = char('<')(i)?;
let (i, _) = char('-')(i)?;
let (i, _) = mightbespace(i)?;
let (i, kind) = table(i)?;
let (i, kind) = alt((map(thing, Value::from), map(table, Value::from)))(i)?;
let (i, _) = mightbespace(i)?;
let (i, _) = char('<')(i)?;
let (i, _) = char('-')(i)?;