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refactor: remove legacy ENABLE_QUERY_PAGINATION tech debt #55

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refactor: remove legacy ENABLE_QUERY_PAGINATION tech debt #55

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13 changes: 1 addition & 12 deletions lore-aws/src/dynamodb.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -70,13 +70,6 @@ const QUERY_ROWS: [f64; 10] = [
pub const METRICS_ACCUMULATION_OPERATION_LATENCY_METRIC_NAME: &str =
"accumulation_operation_duration";

/// Temporary environment variable to allow enabling/disabling query pagination.
/// TODO(jcohen): Remove this when we're confident in the pagination support.
static ENABLE_QUERY_PAGINATION: LazyLock<bool> =
LazyLock::new(|| match std::env::var("LORE_ENABLE_QUERY_PAGINATION") {
Ok(v) => v.eq_ignore_ascii_case("true"),
Err(_) => true, // Default to enabled if the env var isn't present
});

pub trait DynamoDbQuery {
fn index_name(&self) -> Option<String> {
Expand Down Expand Up @@ -652,11 +645,7 @@ impl DynamoDbImpl {
// rows.
// 3. *Unless* the query is also a count query (in which case we need to fetch
// until there's no more data to collect to ensure we get the correct count).
// TODO(jcohen): We should probably disallow the combination of `Select::Count`
// and a limit to avoid the degenerate case of fetching a full count one row at
// a time.
if *ENABLE_QUERY_PAGINATION
&& let Some(last_evaluated_key) = r.last_evaluated_key
if let Some(last_evaluated_key) = r.last_evaluated_key
&& !last_evaluated_key.is_empty()
&& (query.limit().is_none()
|| matches!(query.select(), Some(Select::Count))
Expand Down
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