use reifydb_abi::operator::capabilities::OperatorCapability;
use reifydb_core::{
interface::{
catalog::{flow::FlowNodeId, table::Table},
change::{Change, Diff},
},
value::column::columns::Columns,
};
use reifydb_value::Result;
use crate::{Operator, operator::sink::decode_dictionary_columns, transaction::FlowTransaction};
pub struct PrimitiveTableOperator {
node: FlowNodeId,
table: Table,
}
impl PrimitiveTableOperator {
pub fn new(node: FlowNodeId, table: Table) -> Self {
Self {
node,
table,
}
}
}
impl Operator for PrimitiveTableOperator {
fn id(&self) -> FlowNodeId {
self.node
}
fn capabilities(&self) -> &[OperatorCapability] {
OperatorCapability::STANDARD
}
fn apply(&self, txn: &mut FlowTransaction, change: Change) -> Result<Change> {
let mut decoded_diffs = Vec::with_capacity(change.diffs.len());
for diff in change.diffs {
decoded_diffs.push(match diff {
Diff::Insert {
post,
..
} => {
let mut decoded = post;
decode_dictionary_columns(&mut decoded, txn)?;
Diff::insert(decoded)
}
Diff::Update {
pre,
post,
..
} => {
let mut decoded_pre = pre;
let mut decoded_post = post;
decode_dictionary_columns(&mut decoded_pre, txn)?;
decode_dictionary_columns(&mut decoded_post, txn)?;
Diff::update(decoded_pre, decoded_post)
}
Diff::Remove {
pre,
..
} => {
let mut decoded = pre;
decode_dictionary_columns(&mut decoded, txn)?;
Diff::remove(decoded)
}
});
}
Ok(Change::from_flow(self.node, change.version, decoded_diffs, change.changed_at))
}
}
impl PrimitiveTableOperator {
pub fn output_schema(&self) -> Columns {
Columns::from_catalog_columns(&self.table.columns)
}
}