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Check memtable against current minute when loading #468

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merged 1 commit into from
Aug 7, 2023
Merged

Check memtable against current minute when loading #468

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16 changes: 13 additions & 3 deletions server/src/query.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -19,8 +19,8 @@
mod filter_optimizer;
mod table_provider;

use chrono::TimeZone;
use chrono::{DateTime, Utc};
use chrono::{TimeZone, Timelike};
use datafusion::arrow::datatypes::Schema;
use datafusion::arrow::record_batch::RecordBatch;
use datafusion::datasource::file_format::parquet::ParquetFormat;
Expand Down Expand Up @@ -128,8 +128,18 @@ impl Query {
) -> Result<(Vec<RecordBatch>, Vec<String>), ExecuteError> {
let ctx = self.create_session_context();
let remote_listing_table = self._remote_query(storage)?;
let memtable =
crate::event::STREAM_WRITERS.recordbatches_cloned(&self.stream_name, &self.schema);

let current_minute = Utc::now()
.with_second(0)
.and_then(|x| x.with_nanosecond(0))
.expect("zeroed value is valid");

let memtable = if self.end > current_minute {
crate::event::STREAM_WRITERS.recordbatches_cloned(&self.stream_name, &self.schema)
} else {
None
};

let table =
QueryTableProvider::try_new(memtable, remote_listing_table, self.schema.clone())?;

Expand Down
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