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feat: push down filters to region engine (#2513)

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feat: pushdown filters to region engine

Signed-off-by: Zhenchi <zhongzc_arch@outlook.com>
This commit is contained in:
Zhenchi
2023-09-27 21:50:44 +08:00
committed by GitHub
parent ccd6de8d6b
commit 7edafc3407
1 changed files with 8 additions and 1 deletions
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9
src/datanode/src/region_server.rs
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@@ -36,7 +36,7 @@ use datafusion::datasource::TableProvider;
use datafusion::error::Result as DfResult;
use datafusion::execution::context::SessionState;
use datafusion_common::DataFusionError;
use datafusion_expr::{Expr as DfExpr, TableType};
use datafusion_expr::{Expr as DfExpr, TableProviderFilterPushDown, TableType};
use datatypes::arrow::datatypes::SchemaRef;
use futures_util::future::try_join_all;
use prost::Message;
@@ -498,4 +498,11 @@ impl TableProvider for DummyTableProvider {
StreamScanAdapter::new(stream),
))))
}
fn supports_filters_pushdown(
&self,
filters: &[&DfExpr],
) -> DfResult<Vec<TableProviderFilterPushDown>> {
Ok(vec![TableProviderFilterPushDown::Inexact; filters.len()])
}
}