Files
greptimedb/src/query/src/datafusion.rs
T
discord9 b29a471575 fix(promql): repair native execution contracts and remove obsolete paths (#9980)
* fix(promql): restore native scan statistics and remove unused raw merger

Signed-off-by: discord9 <55937128+discord9@users.noreply.github.com>

* fix(promql): repair native execution contracts and remove obsolete paths

Signed-off-by: discord9 <55937128+discord9@users.noreply.github.com>

* refactor(promql): leave fused frame output repairs to separate PR

Signed-off-by: discord9 <55937128+discord9@users.noreply.github.com>

* docs: restore native contracts and regenerate config reference

Signed-off-by: discord9 <55937128+discord9@users.noreply.github.com>

* fix: slice nullable sparse frame fields after span selection

Signed-off-by: discord9 <55937128+discord9@users.noreply.github.com>

* fix(promql): intersect anchored timestamp selection windows

Signed-off-by: discord9 <55937128+discord9@users.noreply.github.com>

* test(query): name anchored timestamp boundary case type

Signed-off-by: discord9 <55937128+discord9@users.noreply.github.com>

* test(promql): align partitioned pair checks with hybrid operands

Signed-off-by: discord9 <55937128+discord9@users.noreply.github.com>

---------

Signed-off-by: discord9 <55937128+discord9@users.noreply.github.com>
Signed-off-by: discord9 <discord9@163.com>
2026-10-27 17:41:38 +08:00

1822 lines
65 KiB
Rust

// Copyright 2023 Greptime Team
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//! Planner, QueryEngine implementations based on DataFusion.
mod error;
mod json_expr_planner;
mod pg_oid_alias_expr_planner;
mod planner;
use std::any::Any;
use std::collections::HashMap;
use std::sync::Arc;
use async_trait::async_trait;
use common_base::Plugins;
use common_catalog::consts::is_readonly_table;
use common_error::ext::BoxedError;
use common_function::function::FunctionContext;
use common_function::function_factory::ScalarFunctionFactory;
use common_query::{Output, OutputData, OutputMeta};
use common_recordbatch::adapter::{
RecordBatchStreamAdapter, RegionQueryStatCounters, SERIES_SCAN_EXEC_NAME,
};
use common_recordbatch::{EmptyRecordBatchStream, SendableRecordBatchStream};
use common_telemetry::tracing;
use datafusion::catalog::TableFunction;
use datafusion::dataframe::DataFrame;
use datafusion::physical_plan::ExecutionPlan;
use datafusion::physical_plan::analyze::AnalyzeExec;
use datafusion::physical_plan::coalesce_partitions::CoalescePartitionsExec;
use datafusion_common::ResolvedTableReference;
use datafusion_expr::{
AggregateUDF, DmlStatement, LogicalPlan as DfLogicalPlan, LogicalPlan, WindowUDF, WriteOp,
};
use datatypes::prelude::VectorRef;
use datatypes::schema::Schema;
use futures_util::StreamExt;
use session::context::QueryContextRef;
use snafu::{OptionExt, ResultExt, ensure};
use sqlparser::ast::AnalyzeFormat;
use table::TableRef;
use table::requests::{DeleteRequest, InsertRequest};
use table::table::scan::{REGION_SCAN_EXEC_NAME, RegionScanExec, SeriesScanExec};
use tracing::Span;
use crate::analyze::DistAnalyzeExec;
pub use crate::datafusion::planner::DfContextProviderAdapter;
use crate::dist_plan::{
DistPlannerOptions, MergeScanLogicalPlan, RemoteDynFilterReceiverInjectorRef,
};
use crate::error::{
CatalogSnafu, CreateRecordBatchSnafu, MissingTableMutationHandlerSnafu,
MissingTimestampColumnSnafu, QueryExecutionSnafu, Result, TableMutationSnafu,
TableNotFoundSnafu, TableReadOnlySnafu, UnsupportedExprSnafu,
};
use crate::executor::QueryExecutor;
use crate::metrics::{
OnDone, QUERY_STAGE_ELAPSED, maybe_attach_region_watermark_metrics,
should_collect_region_watermark_from_query_ctx,
};
use crate::optimizer::expr_depth;
use crate::options::ScheduledTimeExtension;
use crate::physical_wrapper::PhysicalPlanWrapperRef;
use crate::planner::{DfLogicalPlanner, LogicalPlanner};
use crate::query_engine::{DescribeResult, QueryEngineContext, QueryEngineState};
use crate::{QueryEngine, metrics};
/// Query parallelism hint key.
/// This hint can be set in the query context to control the parallelism of the query execution.
pub const QUERY_PARALLELISM_HINT: &str = "query_parallelism";
/// Whether to fallback to the original plan when failed to push down.
pub const QUERY_FALLBACK_HINT: &str = "query_fallback";
fn query_load_region_id(plan: &Arc<dyn ExecutionPlan>) -> Option<u64> {
let mut region_id = None;
let mut stack = vec![plan.clone()];
while let Some(plan) = stack.pop() {
let scan_region_id = if plan.name() == REGION_SCAN_EXEC_NAME {
plan.downcast_ref::<RegionScanExec>()
.and_then(RegionScanExec::query_load_region_id)
} else if plan.name() == SERIES_SCAN_EXEC_NAME {
plan.downcast_ref::<SeriesScanExec>()
.and_then(SeriesScanExec::query_load_region_id)
} else {
None
};
if let Some(scan_region_id) = scan_region_id {
match region_id {
Some(region_id) if region_id != scan_region_id => return None,
Some(_) => {}
None => region_id = Some(scan_region_id),
}
}
stack.extend(plan.children().into_iter().cloned());
}
region_id
}
// Finds the region-owned query statistic counters from the local datanode scan plan.
//
// Unlike the Prometheus read-load reporting in `MergeScanExec`, the heartbeat
// counters must be updated before metrics leave the datanode process. The
// `RecordBatchStreamAdapter` that resolves `RecordBatchMetrics` does not know
// the owning `MitoRegion`, so we extract the counters from the scan execs and
// pass them to the adapter. If a plan contains scans from different regions,
// return `None` to avoid charging the whole plan metrics to one region.
fn query_stat_counters(plan: &Arc<dyn ExecutionPlan>) -> Option<RegionQueryStatCounters> {
let mut counters: Option<RegionQueryStatCounters> = None;
let mut stack = vec![plan.clone()];
while let Some(plan) = stack.pop() {
let scan_counters = if plan.name() == REGION_SCAN_EXEC_NAME {
plan.downcast_ref::<RegionScanExec>()
.and_then(RegionScanExec::query_stat_counters)
} else if plan.name() == SERIES_SCAN_EXEC_NAME {
plan.downcast_ref::<SeriesScanExec>()
.and_then(SeriesScanExec::query_stat_counters)
} else {
None
};
if let Some(scan_counters) = scan_counters {
match &counters {
Some(counters)
if !Arc::ptr_eq(&counters.query_cpu_time, &scan_counters.query_cpu_time)
|| !Arc::ptr_eq(
&counters.query_scanned_bytes,
&scan_counters.query_scanned_bytes,
) =>
{
return None;
}
Some(_) => {}
None => counters = Some(scan_counters),
}
}
stack.extend(plan.children().into_iter().cloned());
}
counters
}
pub struct DatafusionQueryEngine {
state: Arc<QueryEngineState>,
plugins: Plugins,
}
impl DatafusionQueryEngine {
pub fn new(state: Arc<QueryEngineState>, plugins: Plugins) -> Self {
Self { state, plugins }
}
#[tracing::instrument(skip_all)]
async fn exec_query_plan(
&self,
plan: LogicalPlan,
query_ctx: QueryContextRef,
) -> Result<Output> {
let mut ctx = self.engine_context(query_ctx.clone());
let plan = if let Some(receiver_injector) =
self.plugins.get::<RemoteDynFilterReceiverInjectorRef>()
{
receiver_injector.maybe_inject(plan, query_ctx.clone())
} else {
plan
};
// `create_physical_plan` will optimize logical plan internally
let physical_plan = self.create_physical_plan(&mut ctx, &plan).await?;
let physical_plan = self.optimize_physical_plan(&mut ctx, physical_plan)?;
let physical_plan = if let Some(wrapper) = self.plugins.get::<PhysicalPlanWrapperRef>() {
wrapper.wrap(physical_plan, query_ctx)
} else {
physical_plan
};
let stream = self.execute_stream(&ctx, &physical_plan)?;
Ok(Output::new(
OutputData::Stream(stream),
OutputMeta::new_with_plan(physical_plan),
))
}
#[tracing::instrument(skip_all)]
async fn exec_dml_statement(
&self,
dml: DmlStatement,
query_ctx: QueryContextRef,
) -> Result<Output> {
ensure!(
matches!(dml.op, WriteOp::Insert(_) | WriteOp::Delete),
UnsupportedExprSnafu {
name: format!("DML op {}", dml.op),
}
);
let _timer = QUERY_STAGE_ELAPSED
.with_label_values(&[dml.op.name()])
.start_timer();
let default_catalog = &query_ctx.current_catalog().to_owned();
let default_schema = &query_ctx.current_schema();
let table_name = dml.table_name.resolve(default_catalog, default_schema);
let table = self.find_table(&table_name, &query_ctx).await?;
let Output { data, meta } = self
.exec_query_plan((*dml.input).clone(), query_ctx.clone())
.await?;
let mut stream = match data {
OutputData::RecordBatches(batches) => batches.as_stream(),
OutputData::Stream(stream) => stream,
_ => unreachable!(),
};
let mut affected_rows = 0;
let mut insert_cost = 0;
match dml.op {
WriteOp::Insert(_) => {
while let Some(batch) = stream.next().await {
let batch = batch.context(CreateRecordBatchSnafu)?;
let column_vectors = batch
.column_vectors(&table_name.to_string(), table.schema())
.map_err(BoxedError::new)
.context(QueryExecutionSnafu)?;
// We ignore the insert op.
let output = self
.insert(&table_name, column_vectors, query_ctx.clone())
.await?;
let (rows, cost) = output.extract_rows_and_cost();
affected_rows += rows;
insert_cost += cost;
}
}
WriteOp::Delete => {
while let Some(batch) = stream.next().await {
let batch = batch.context(CreateRecordBatchSnafu)?;
let column_vectors = batch
.column_vectors(&table_name.to_string(), table.schema())
.map_err(BoxedError::new)
.context(QueryExecutionSnafu)?;
affected_rows += self
.delete(&table_name, &table, column_vectors, query_ctx.clone())
.await?;
}
}
_ => unreachable!("guarded by the 'ensure!' at the beginning"),
}
Ok(Output::new(
OutputData::AffectedRows(affected_rows),
OutputMeta::new(meta.plan, insert_cost),
))
}
#[tracing::instrument(skip_all)]
async fn delete(
&self,
table_name: &ResolvedTableReference,
table: &TableRef,
column_vectors: HashMap<String, VectorRef>,
query_ctx: QueryContextRef,
) -> Result<usize> {
let catalog_name = table_name.catalog.to_string();
let schema_name = table_name.schema.to_string();
let table_name = table_name.table.to_string();
let table_schema = table.schema();
ensure!(
!is_readonly_table(&schema_name, &table_name),
TableReadOnlySnafu { table: table_name }
);
let ts_column = table_schema
.timestamp_column()
.map(|x| &x.name)
.with_context(|| MissingTimestampColumnSnafu {
table_name: table_name.clone(),
})?;
let table_info = table.table_info();
let rowkey_columns = table_info
.meta
.row_key_column_names()
.collect::<Vec<&String>>();
let column_vectors = column_vectors
.into_iter()
.filter(|x| &x.0 == ts_column || rowkey_columns.contains(&&x.0))
.collect::<HashMap<_, _>>();
let request = DeleteRequest {
catalog_name,
schema_name,
table_name,
key_column_values: column_vectors,
};
self.state
.table_mutation_handler()
.context(MissingTableMutationHandlerSnafu)?
.delete(request, query_ctx)
.await
.context(TableMutationSnafu)
}
#[tracing::instrument(skip_all)]
async fn insert(
&self,
table_name: &ResolvedTableReference,
column_vectors: HashMap<String, VectorRef>,
query_ctx: QueryContextRef,
) -> Result<Output> {
let catalog_name = table_name.catalog.to_string();
let schema_name = table_name.schema.to_string();
let table_name = table_name.table.to_string();
ensure!(
!is_readonly_table(&schema_name, &table_name),
TableReadOnlySnafu { table: table_name }
);
let request = InsertRequest {
catalog_name,
schema_name,
table_name,
columns_values: column_vectors,
skip_wal: query_ctx.skip_wal(),
};
self.state
.table_mutation_handler()
.context(MissingTableMutationHandlerSnafu)?
.insert(request, query_ctx)
.await
.context(TableMutationSnafu)
}
async fn find_table(
&self,
table_name: &ResolvedTableReference,
query_context: &QueryContextRef,
) -> Result<TableRef> {
let catalog_name = table_name.catalog.as_ref();
let schema_name = table_name.schema.as_ref();
let table_name = table_name.table.as_ref();
self.state
.catalog_manager()
.table(catalog_name, schema_name, table_name, Some(query_context))
.await
.context(CatalogSnafu)?
.with_context(|| TableNotFoundSnafu { table: table_name })
}
#[tracing::instrument(skip_all)]
async fn create_physical_plan(
&self,
ctx: &mut QueryEngineContext,
logical_plan: &LogicalPlan,
) -> Result<Arc<dyn ExecutionPlan>> {
/// Only print context on panic, to avoid cluttering logs.
///
/// TODO(discord9): remove this once we catch the bug
#[derive(Debug)]
struct PanicLogger<'a> {
input_logical_plan: &'a LogicalPlan,
after_analyze: Option<LogicalPlan>,
after_optimize: Option<LogicalPlan>,
phy_plan: Option<Arc<dyn ExecutionPlan>>,
}
impl Drop for PanicLogger<'_> {
fn drop(&mut self) {
if std::thread::panicking() {
common_telemetry::error!(
"Panic while creating physical plan, input logical plan: {:?}, after analyze: {:?}, after optimize: {:?}, final physical plan: {:?}",
self.input_logical_plan,
self.after_analyze,
self.after_optimize,
self.phy_plan
);
}
}
}
expr_depth::validate_plan(logical_plan)?;
let mut logger = PanicLogger {
input_logical_plan: logical_plan,
after_analyze: None,
after_optimize: None,
phy_plan: None,
};
let _timer = metrics::CREATE_PHYSICAL_ELAPSED.start_timer();
let state = ctx.state();
common_telemetry::debug!("Create physical plan, input plan: {logical_plan}");
// special handle EXPLAIN plan
if matches!(logical_plan, DfLogicalPlan::Explain(_)) {
return state
.create_physical_plan(logical_plan)
.await
.map_err(Into::into);
}
// analyze first
let analyzed_plan = state.analyzer().execute_and_check(
logical_plan.clone(),
state.config_options(),
|_, _| {},
)?;
expr_depth::validate_plan(&analyzed_plan)?;
logger.after_analyze = Some(analyzed_plan.clone());
common_telemetry::debug!("Create physical plan, analyzed plan: {analyzed_plan}");
// skip optimize for MergeScan
let optimized_plan = if let DfLogicalPlan::Extension(ext) = &analyzed_plan
&& ext.node.name() == MergeScanLogicalPlan::name()
{
analyzed_plan.clone()
} else {
state
.optimizer()
.optimize(analyzed_plan, state, |_, _| {})?
};
expr_depth::validate_plan(&optimized_plan)?;
common_telemetry::debug!("Create physical plan, optimized plan: {optimized_plan}");
logger.after_optimize = Some(optimized_plan.clone());
let physical_plan = state
.query_planner()
.create_physical_plan(&optimized_plan, state)
.await?;
logger.phy_plan = Some(physical_plan.clone());
drop(logger);
Ok(physical_plan)
}
#[tracing::instrument(skip_all)]
fn optimize_physical_plan(
&self,
ctx: &mut QueryEngineContext,
plan: Arc<dyn ExecutionPlan>,
) -> Result<Arc<dyn ExecutionPlan>> {
let _timer = metrics::OPTIMIZE_PHYSICAL_ELAPSED.start_timer();
// TODO(ruihang): `self.create_physical_plan()` already optimize the plan, check
// if we need to optimize it again here.
// let state = ctx.state();
// let config = state.config_options();
// skip optimize AnalyzeExec plan
let optimized_plan = if let Some(analyze_plan) = plan.downcast_ref::<AnalyzeExec>() {
let format = if let Some(format) = ctx.query_ctx().explain_format()
&& format.to_lowercase() == "json"
{
AnalyzeFormat::JSON
} else {
AnalyzeFormat::TEXT
};
// Sets the verbose flag of the query context.
// The MergeScanExec plan uses the verbose flag to determine whether to print the plan in verbose mode.
ctx.query_ctx().set_explain_verbose(analyze_plan.verbose());
Arc::new(DistAnalyzeExec::new(
analyze_plan.input().clone(),
analyze_plan.verbose(),
format,
))
// let mut new_plan = analyze_plan.input().clone();
// for optimizer in state.physical_optimizers() {
// new_plan = optimizer
// .optimize(new_plan, config)
// .context(DataFusionSnafu)?;
// }
// Arc::new(DistAnalyzeExec::new(new_plan))
} else {
plan
// let mut new_plan = plan;
// for optimizer in state.physical_optimizers() {
// new_plan = optimizer
// .optimize(new_plan, config)
// .context(DataFusionSnafu)?;
// }
// new_plan
};
Ok(optimized_plan)
}
}
#[async_trait]
impl QueryEngine for DatafusionQueryEngine {
fn as_any(&self) -> &dyn Any {
self
}
fn planner(&self) -> Arc<dyn LogicalPlanner> {
Arc::new(DfLogicalPlanner::new(self.state.clone()))
}
fn name(&self) -> &str {
"datafusion"
}
async fn describe(
&self,
plan: LogicalPlan,
_query_ctx: QueryContextRef,
) -> Result<DescribeResult> {
Ok(DescribeResult { logical_plan: plan })
}
async fn execute(&self, plan: LogicalPlan, query_ctx: QueryContextRef) -> Result<Output> {
match plan {
LogicalPlan::Dml(dml) => self.exec_dml_statement(dml, query_ctx).await,
_ => self.exec_query_plan(plan, query_ctx).await,
}
}
/// Note in SQL queries, aggregate names are looked up using
/// lowercase unless the query uses quotes. For example,
///
/// `SELECT MY_UDAF(x)...` will look for an aggregate named `"my_udaf"`
/// `SELECT "my_UDAF"(x)` will look for an aggregate named `"my_UDAF"`
///
/// So it's better to make UDAF name lowercase when creating one.
fn register_aggregate_function(&self, func: AggregateUDF) {
self.state.register_aggr_function(func);
}
/// Register an scalar function.
/// Will override if the function with same name is already registered.
fn register_scalar_function(&self, func: ScalarFunctionFactory) {
self.state.register_scalar_function(func);
}
fn register_table_function(&self, func: Arc<TableFunction>) {
self.state.register_table_function(func);
}
fn register_window_function(&self, func: WindowUDF) {
self.state.register_window_function(func);
}
fn read_table(&self, table: TableRef) -> Result<DataFrame> {
self.state.read_table(table).map_err(Into::into)
}
fn engine_context(&self, query_ctx: QueryContextRef) -> QueryEngineContext {
let mut state = self.state.session_state();
state.config_mut().set_extension(query_ctx.clone());
state.config_mut().set_extension(self.state.clone());
// note that hints in "x-greptime-hints" is automatically parsed
// and set to query context's extension, so we can get it from query context.
if let Some(parallelism) = query_ctx.extension(QUERY_PARALLELISM_HINT) {
if let Ok(n) = parallelism.parse::<u64>() {
if n > 0 {
let new_cfg = state.config().clone().with_target_partitions(n as usize);
*state.config_mut() = new_cfg;
}
} else {
common_telemetry::warn!(
"Failed to parse query_parallelism: {}, using default value",
parallelism
);
}
}
// configure execution options
state.config_mut().options_mut().execution.time_zone =
Some(query_ctx.timezone().to_string());
// usually it's impossible to have both `set variable` set by sql client and
// hint in header by grpc client, so only need to deal with them separately
if query_ctx.configuration_parameter().allow_query_fallback() {
state
.config_mut()
.options_mut()
.extensions
.insert(DistPlannerOptions {
allow_query_fallback: true,
});
} else if let Some(fallback) = query_ctx.extension(QUERY_FALLBACK_HINT) {
// also check the query context for fallback hint
// if it is set, we will enable the fallback
if fallback.to_lowercase().parse::<bool>().unwrap_or(false) {
state
.config_mut()
.options_mut()
.extensions
.insert(DistPlannerOptions {
allow_query_fallback: true,
});
}
}
state
.config_mut()
.options_mut()
.extensions
.insert(FunctionContext {
query_ctx: query_ctx.clone(),
state: self.engine_state().function_state(),
});
// Carry scheduled Flow time through ConfigOptions.extensions so that
// the distributed plan analyzer can read it during expression
// simplification (preventing wall-clock constant-folding of `now()`).
state
.config_mut()
.options_mut()
.extensions
.insert(ScheduledTimeExtension {
scheduled_time: crate::options::scheduled_time_from_ctx(&query_ctx),
});
let config_options = state.config_options().clone();
let _ = state
.execution_props_mut()
.config_options
.insert(config_options);
// Apply scheduled time from query context if present, so that `now()` /
// `current_timestamp()` functions evaluate against the logical scheduled time
// rather than wall-clock.
match crate::options::parse_scheduled_time_datetime(&query_ctx.extensions()) {
Ok(Some(scheduled_rt)) => {
state.execution_props_mut().query_execution_start_time = Some(scheduled_rt);
}
Ok(None) => {}
Err(err) => {
common_telemetry::warn!(err; "Ignoring invalid scheduled time query extension");
}
}
QueryEngineContext::new(state, query_ctx)
}
fn engine_state(&self) -> &QueryEngineState {
&self.state
}
}
impl QueryExecutor for DatafusionQueryEngine {
#[tracing::instrument(skip_all)]
fn execute_stream(
&self,
ctx: &QueryEngineContext,
plan: &Arc<dyn ExecutionPlan>,
) -> Result<SendableRecordBatchStream> {
let query_ctx = ctx.query_ctx();
let explain_verbose = query_ctx.explain_verbose();
let should_collect_region_watermark =
should_collect_region_watermark_from_query_ctx(&query_ctx)?;
let output_partitions = plan.properties().output_partitioning().partition_count();
if explain_verbose {
common_telemetry::info!("Executing query plan, output_partitions: {output_partitions}");
}
let exec_timer = metrics::EXEC_PLAN_ELAPSED.start_timer();
let task_ctx = ctx.build_task_ctx();
let span = Span::current();
match plan.properties().output_partitioning().partition_count() {
0 => {
let schema = Arc::new(
Schema::try_from(plan.schema())
.map_err(BoxedError::new)
.context(QueryExecutionSnafu)?,
);
Ok(Box::pin(EmptyRecordBatchStream::new(schema)))
}
1 => {
let df_stream = plan.execute(0, task_ctx)?;
let mut stream = RecordBatchStreamAdapter::try_new_with_span(df_stream, span)
.context(error::ConvertDfRecordBatchStreamSnafu)
.map_err(BoxedError::new)
.context(QueryExecutionSnafu)?;
stream.set_metrics2(plan.clone());
stream.set_query_load_region_id(query_load_region_id(plan));
stream.set_query_stat_counters(query_stat_counters(plan));
stream.set_explain_verbose(explain_verbose);
let stream = OnDone::new(Box::pin(stream), move || {
let exec_cost = exec_timer.stop_and_record();
if explain_verbose {
common_telemetry::info!(
"DatafusionQueryEngine execute 1 stream, cost: {:?}s",
exec_cost,
);
}
});
Ok(maybe_attach_region_watermark_metrics(
Box::pin(stream),
plan.clone(),
should_collect_region_watermark,
))
}
_ => {
// merge into a single partition
let merged_plan = CoalescePartitionsExec::new(plan.clone());
// CoalescePartitionsExec must produce a single partition
assert_eq!(
1,
merged_plan
.properties()
.output_partitioning()
.partition_count()
);
let df_stream = merged_plan.execute(0, task_ctx)?;
let mut stream = RecordBatchStreamAdapter::try_new_with_span(df_stream, span)
.context(error::ConvertDfRecordBatchStreamSnafu)
.map_err(BoxedError::new)
.context(QueryExecutionSnafu)?;
stream.set_metrics2(plan.clone());
stream.set_query_load_region_id(query_load_region_id(plan));
stream.set_query_stat_counters(query_stat_counters(plan));
stream.set_explain_verbose(explain_verbose);
let stream = OnDone::new(Box::pin(stream), move || {
let exec_cost = exec_timer.stop_and_record();
if explain_verbose {
common_telemetry::info!(
"DatafusionQueryEngine execute {output_partitions} stream, cost: {:?}s",
exec_cost
);
}
});
Ok(maybe_attach_region_watermark_metrics(
Box::pin(stream),
plan.clone(),
should_collect_region_watermark,
))
}
}
}
}
#[cfg(test)]
mod tests {
use std::fmt;
use std::sync::Arc;
use std::sync::atomic::{AtomicU64, AtomicUsize, Ordering};
use api::v1::SemanticType;
use arrow::array::{ArrayRef, UInt64Array};
use arrow_schema::SortOptions;
use async_trait::async_trait;
use catalog::RegisterTableRequest;
use common_catalog::consts::{DEFAULT_CATALOG_NAME, DEFAULT_SCHEMA_NAME, NUMBERS_TABLE_ID};
use common_error::ext::BoxedError;
use common_recordbatch::{
EmptyRecordBatchStream, RecordBatch, SendableRecordBatchStream, util,
};
use datafusion::physical_plan::display::{DisplayAs, DisplayFormatType};
use datafusion::physical_plan::expressions::PhysicalSortExpr;
use datafusion::physical_plan::joins::{CrossJoinExec, HashJoinExec, JoinOn, PartitionMode};
use datafusion::physical_plan::metrics::ExecutionPlanMetricsSet;
use datafusion::physical_plan::{ExecutionPlan, PhysicalExpr};
use datafusion::prelude::{col, lit};
use datafusion_common::{JoinType, NullEquality, ScalarValue};
use datafusion_physical_expr::expressions::Column;
use datatypes::prelude::ConcreteDataType;
use datatypes::schema::{ColumnSchema, SchemaRef};
use datatypes::vectors::{Helper, UInt32Vector, VectorRef};
use session::context::{QueryContext, QueryContextBuilder};
use store_api::metadata::{ColumnMetadata, RegionMetadataBuilder, RegionMetadataRef};
use store_api::region_engine::{
PartitionRange, PrepareRequest, QueryScanContext, RawLabelSource, RegionScanner,
ScannerProperties,
};
use store_api::storage::{RegionId, ScanRequest};
use table::metadata::{TableInfoBuilder, TableMetaBuilder};
use table::table::numbers::{NUMBERS_TABLE_NAME, NumbersTable};
use table::table::scan::RegionScanExec;
use super::*;
use crate::options::QueryOptions;
use crate::parser::{QueryLanguageParser, QueryStatement};
use crate::part_sort::PartSortExec;
use crate::query_engine::{QueryEngineFactory, QueryEngineRef};
#[derive(Debug)]
struct RecordingScanner {
schema: SchemaRef,
metadata: RegionMetadataRef,
properties: ScannerProperties,
update_calls: Arc<AtomicUsize>,
last_filter_len: Arc<AtomicUsize>,
}
impl RecordingScanner {
fn new(
schema: SchemaRef,
metadata: RegionMetadataRef,
update_calls: Arc<AtomicUsize>,
last_filter_len: Arc<AtomicUsize>,
) -> Self {
Self {
schema,
metadata,
properties: ScannerProperties::default(),
update_calls,
last_filter_len,
}
}
}
impl RegionScanner for RecordingScanner {
fn name(&self) -> &str {
"RecordingScanner"
}
fn properties(&self) -> &ScannerProperties {
&self.properties
}
fn schema(&self) -> SchemaRef {
self.schema.clone()
}
fn metadata(&self) -> RegionMetadataRef {
self.metadata.clone()
}
fn prepare(&mut self, request: PrepareRequest) -> std::result::Result<(), BoxedError> {
self.properties.prepare(request);
Ok(())
}
fn scan_partition(
&self,
_ctx: &QueryScanContext,
_metrics_set: &ExecutionPlanMetricsSet,
_partition: usize,
) -> std::result::Result<SendableRecordBatchStream, BoxedError> {
Ok(Box::pin(EmptyRecordBatchStream::new(self.schema.clone())))
}
fn has_predicate_without_region(&self) -> bool {
true
}
fn raw_series_schema(
&self,
_label_source: &RawLabelSource,
) -> std::result::Result<Option<Arc<datatypes::series::samples::SeriesSchema>>, BoxedError>
{
Ok(Some(Arc::new(datatypes::series::samples::SeriesSchema {
fields: Arc::from([datatypes::series::samples::FieldSpec { name: "ts".into() }]),
eval_grid: None,
})))
}
fn add_dyn_filter_to_predicate(
&mut self,
filter_exprs: Vec<Arc<dyn PhysicalExpr>>,
) -> Vec<bool> {
self.update_calls.fetch_add(1, Ordering::Relaxed);
self.last_filter_len
.store(filter_exprs.len(), Ordering::Relaxed);
vec![true; filter_exprs.len()]
}
fn set_logical_region(&mut self, logical_region: bool) {
self.properties.set_logical_region(logical_region);
}
fn set_query_load_region_id(&mut self, region_id: store_api::storage::RegionId) {
self.properties.set_query_load_region_id(region_id);
}
}
impl DisplayAs for RecordingScanner {
fn fmt_as(&self, _t: DisplayFormatType, f: &mut fmt::Formatter<'_>) -> fmt::Result {
write!(f, "RecordingScanner")
}
}
fn build_query_load_region_scan(
query_load_region_id: Option<RegionId>,
) -> Arc<dyn ExecutionPlan> {
build_region_scan(query_load_region_id, None)
}
fn build_query_stat_counter_region_scan(
counters: RegionQueryStatCounters,
) -> Arc<dyn ExecutionPlan> {
build_region_scan(None, Some(counters))
}
fn build_region_scan(
query_load_region_id: Option<RegionId>,
query_stat_counters: Option<RegionQueryStatCounters>,
) -> Arc<dyn ExecutionPlan> {
build_region_scan_exec(query_load_region_id, query_stat_counters)
}
fn build_region_scan_exec(
query_load_region_id: Option<RegionId>,
query_stat_counters: Option<RegionQueryStatCounters>,
) -> Arc<RegionScanExec> {
let schema = Arc::new(datatypes::schema::Schema::new(vec![ColumnSchema::new(
"ts",
ConcreteDataType::timestamp_millisecond_datatype(),
false,
)]));
let mut metadata_builder = RegionMetadataBuilder::new(RegionId::new(1024, 1));
metadata_builder
.push_column_metadata(ColumnMetadata {
column_schema: ColumnSchema::new(
"ts",
ConcreteDataType::timestamp_millisecond_datatype(),
false,
)
.with_time_index(true),
semantic_type: SemanticType::Timestamp,
column_id: 1,
})
.primary_key(vec![]);
let metadata = Arc::new(metadata_builder.build().unwrap());
let mut scanner = RecordingScanner::new(
schema,
metadata,
Arc::new(AtomicUsize::new(0)),
Arc::new(AtomicUsize::new(0)),
);
if let Some(region_id) = query_load_region_id {
scanner.set_query_load_region_id(region_id);
}
if let Some(counters) = query_stat_counters {
scanner.properties.set_query_stat_counters(counters);
}
Arc::new(RegionScanExec::new(Box::new(scanner), ScanRequest::default(), None).unwrap())
}
fn build_series_scan(
query_load_region_id: Option<RegionId>,
query_stat_counters: Option<RegionQueryStatCounters>,
) -> Arc<dyn ExecutionPlan> {
build_region_scan_exec(query_load_region_id, query_stat_counters)
.try_to_series_scan(RawLabelSource::Explicit)
.unwrap()
.expect("RecordingScanner supports a native series scan")
}
fn build_mixed_scan_plan(
left: Arc<dyn ExecutionPlan>,
right: Arc<dyn ExecutionPlan>,
) -> Arc<dyn ExecutionPlan> {
Arc::new(CrossJoinExec::new(left, right))
}
fn query_stat_counters_for_test() -> RegionQueryStatCounters {
RegionQueryStatCounters {
query_cpu_time: Arc::new(AtomicU64::new(0)),
query_scanned_bytes: Arc::new(AtomicU64::new(0)),
}
}
#[test]
fn query_load_region_id_reads_native_series_scan() {
let region_id = RegionId::new(1024, 42);
let scan = build_series_scan(Some(region_id), None);
assert_eq!(super::query_load_region_id(&scan), Some(region_id.as_u64()));
}
#[test]
fn query_load_region_id_accepts_mixed_scans_for_same_region() {
let region_id = RegionId::new(1024, 42);
let left = build_query_load_region_scan(Some(region_id));
let right = build_series_scan(Some(region_id), None);
let plan = build_mixed_scan_plan(left, right);
assert_eq!(super::query_load_region_id(&plan), Some(region_id.as_u64()));
}
#[test]
fn query_load_region_id_rejects_mixed_region_scans() {
let left = build_query_load_region_scan(Some(RegionId::new(1024, 42)));
let right = build_series_scan(Some(RegionId::new(1024, 43)), None);
let plan = build_mixed_scan_plan(left, right);
assert!(super::query_load_region_id(&plan).is_none());
}
#[test]
fn query_load_region_id_ignores_scans_without_region_id() {
let query_load_region_id = RegionId::new(1024, 42);
let scan_without_region_id = build_query_load_region_scan(None);
let scan_with_region_id = build_query_load_region_scan(Some(query_load_region_id));
let on: JoinOn = vec![(
Arc::new(Column::new("ts", 0)) as Arc<dyn PhysicalExpr>,
Arc::new(Column::new("ts", 0)) as Arc<dyn PhysicalExpr>,
)];
let plan: Arc<dyn ExecutionPlan> = Arc::new(
HashJoinExec::try_new(
scan_without_region_id,
scan_with_region_id,
on,
None,
&JoinType::Inner,
None,
PartitionMode::CollectLeft,
NullEquality::NullEqualsNull,
false,
)
.unwrap(),
);
assert_eq!(
super::query_load_region_id(&plan),
Some(query_load_region_id.as_u64())
);
}
#[test]
fn query_stat_counters_reads_native_series_scan() {
let counters = query_stat_counters_for_test();
let scan = build_series_scan(None, Some(counters.clone()));
let actual = super::query_stat_counters(&scan).unwrap();
assert!(Arc::ptr_eq(
&actual.query_cpu_time,
&counters.query_cpu_time
));
assert!(Arc::ptr_eq(
&actual.query_scanned_bytes,
&counters.query_scanned_bytes
));
}
#[test]
fn query_stat_counters_returns_shared_counter_for_mixed_scan_plan() {
let counters = query_stat_counters_for_test();
let left = build_query_stat_counter_region_scan(counters.clone());
let right = build_series_scan(None, Some(counters.clone()));
let plan = build_mixed_scan_plan(left, right);
let actual = super::query_stat_counters(&plan).unwrap();
assert!(Arc::ptr_eq(
&actual.query_cpu_time,
&counters.query_cpu_time
));
assert!(Arc::ptr_eq(
&actual.query_scanned_bytes,
&counters.query_scanned_bytes
));
}
#[test]
fn query_stat_counters_rejects_mixed_counter_plan_with_series_scan() {
let left = build_query_stat_counter_region_scan(query_stat_counters_for_test());
let right = build_series_scan(None, Some(query_stat_counters_for_test()));
let plan = build_mixed_scan_plan(left, right);
assert!(super::query_stat_counters(&plan).is_none());
}
#[test]
fn query_stat_counters_returns_shared_counter_for_multi_scan_plan() {
let counters = query_stat_counters_for_test();
let left = build_query_stat_counter_region_scan(counters.clone());
let right = build_query_stat_counter_region_scan(counters.clone());
let on: JoinOn = vec![(
Arc::new(Column::new("ts", 0)) as Arc<dyn PhysicalExpr>,
Arc::new(Column::new("ts", 0)) as Arc<dyn PhysicalExpr>,
)];
let plan: Arc<dyn ExecutionPlan> = Arc::new(
HashJoinExec::try_new(
left,
right,
on,
None,
&JoinType::Inner,
None,
PartitionMode::CollectLeft,
NullEquality::NullEqualsNull,
false,
)
.unwrap(),
);
let actual = super::query_stat_counters(&plan).unwrap();
assert!(Arc::ptr_eq(
&actual.query_cpu_time,
&counters.query_cpu_time
));
assert!(Arc::ptr_eq(
&actual.query_scanned_bytes,
&counters.query_scanned_bytes
));
}
#[test]
fn query_stat_counters_ignores_mixed_counter_plan() {
let left = build_query_stat_counter_region_scan(query_stat_counters_for_test());
let right = build_query_stat_counter_region_scan(query_stat_counters_for_test());
let on: JoinOn = vec![(
Arc::new(Column::new("ts", 0)) as Arc<dyn PhysicalExpr>,
Arc::new(Column::new("ts", 0)) as Arc<dyn PhysicalExpr>,
)];
let plan: Arc<dyn ExecutionPlan> = Arc::new(
HashJoinExec::try_new(
left,
right,
on,
None,
&JoinType::Inner,
None,
PartitionMode::CollectLeft,
NullEquality::NullEqualsNull,
false,
)
.unwrap(),
);
assert!(super::query_stat_counters(&plan).is_none());
}
async fn create_test_engine() -> QueryEngineRef {
let catalog_manager = catalog::memory::new_memory_catalog_manager().unwrap();
let req = RegisterTableRequest {
catalog: DEFAULT_CATALOG_NAME.to_string(),
schema: DEFAULT_SCHEMA_NAME.to_string(),
table_name: NUMBERS_TABLE_NAME.to_string(),
table_id: NUMBERS_TABLE_ID,
table: NumbersTable::table(NUMBERS_TABLE_ID),
};
catalog_manager.register_table_sync(req).unwrap();
QueryEngineFactory::new(
catalog_manager,
None,
None,
None,
None,
false,
QueryOptions::default(),
)
.query_engine()
}
#[tokio::test]
async fn test_sql_to_plan() {
let engine = create_test_engine().await;
let sql = "select sum(number) from numbers limit 20";
let stmt = QueryLanguageParser::parse_sql(sql, &QueryContext::arc()).unwrap();
let plan = engine
.planner()
.plan(&stmt, QueryContext::arc())
.await
.unwrap();
assert_eq!(
plan.to_string(),
r#"Limit: skip=0, fetch=20
Projection: sum(numbers.number)
Aggregate: groupBy=[[]], aggr=[[sum(numbers.number)]]
TableScan: numbers"#
);
}
#[tokio::test]
async fn test_purge_table_is_not_available_to_select() {
let engine = create_test_engine().await;
let stmt =
QueryLanguageParser::parse_sql("select purge_table('numbers')", &QueryContext::arc())
.unwrap();
assert!(
engine
.planner()
.plan(&stmt, QueryContext::arc())
.await
.is_err()
);
}
#[tokio::test]
async fn test_execute() {
let engine = create_test_engine().await;
let sql = "select sum(number) from numbers limit 20";
let stmt = QueryLanguageParser::parse_sql(sql, &QueryContext::arc()).unwrap();
let plan = engine
.planner()
.plan(&stmt, QueryContext::arc())
.await
.unwrap();
let output = engine.execute(plan, QueryContext::arc()).await.unwrap();
match output.data {
OutputData::Stream(recordbatch) => {
let numbers = util::collect(recordbatch).await.unwrap();
assert_eq!(1, numbers.len());
assert_eq!(numbers[0].num_columns(), 1);
assert_eq!(1, numbers[0].schema.num_columns());
assert_eq!(
"sum(numbers.number)",
numbers[0].schema.column_schemas()[0].name
);
let batch = &numbers[0];
assert_eq!(1, batch.num_columns());
assert_eq!(batch.column(0).len(), 1);
let expected = Arc::new(UInt64Array::from_iter_values([4950])) as ArrayRef;
assert_eq!(batch.column(0), &expected);
}
_ => unreachable!(),
}
}
#[tokio::test]
async fn test_read_table() {
let engine = create_test_engine().await;
let engine = engine
.as_any()
.downcast_ref::<DatafusionQueryEngine>()
.unwrap();
let query_ctx = Arc::new(QueryContextBuilder::default().build());
let table = engine
.find_table(
&ResolvedTableReference {
catalog: "greptime".into(),
schema: "public".into(),
table: "numbers".into(),
},
&query_ctx,
)
.await
.unwrap();
let df = engine.read_table(table).unwrap();
let df = df
.select_columns(&["number"])
.unwrap()
.filter(col("number").lt(lit(10)))
.unwrap();
let batches = df.collect().await.unwrap();
assert_eq!(1, batches.len());
let batch = &batches[0];
assert_eq!(1, batch.num_columns());
assert_eq!(batch.column(0).len(), 10);
assert_eq!(
Helper::try_into_vector(batch.column(0)).unwrap(),
Arc::new(UInt32Vector::from_slice([0, 1, 2, 3, 4, 5, 6, 7, 8, 9])) as VectorRef
);
}
#[tokio::test]
async fn test_describe() {
let engine = create_test_engine().await;
let sql = "select sum(number) from numbers limit 20";
let stmt = QueryLanguageParser::parse_sql(sql, &QueryContext::arc()).unwrap();
let plan = engine
.planner()
.plan(&stmt, QueryContext::arc())
.await
.unwrap();
let DescribeResult { logical_plan } =
engine.describe(plan, QueryContext::arc()).await.unwrap();
let schema: Schema = logical_plan.schema().clone().try_into().unwrap();
assert_eq!(
schema.column_schemas()[0],
ColumnSchema::new(
"sum(numbers.number)",
ConcreteDataType::uint64_datatype(),
true
)
);
assert_eq!(
"Limit: skip=0, fetch=20\n Projection: sum(numbers.number)\n Aggregate: groupBy=[[]], aggr=[[sum(numbers.number)]]\n TableScan: numbers",
format!("{}", logical_plan.display_indent())
);
}
#[tokio::test]
async fn test_topk_dynamic_filter_pushdown_reaches_region_scan() {
let engine = create_test_engine().await;
let engine = engine
.as_any()
.downcast_ref::<DatafusionQueryEngine>()
.unwrap();
let engine_ctx = engine.engine_context(QueryContext::arc());
let state = engine_ctx.state();
let schema = Arc::new(datatypes::schema::Schema::new(vec![ColumnSchema::new(
"ts",
ConcreteDataType::timestamp_millisecond_datatype(),
false,
)]));
let mut metadata_builder = RegionMetadataBuilder::new(RegionId::new(1024, 1));
metadata_builder
.push_column_metadata(ColumnMetadata {
column_schema: ColumnSchema::new(
"ts",
ConcreteDataType::timestamp_millisecond_datatype(),
false,
)
.with_time_index(true),
semantic_type: SemanticType::Timestamp,
column_id: 1,
})
.primary_key(vec![]);
let metadata = Arc::new(metadata_builder.build().unwrap());
let update_calls = Arc::new(AtomicUsize::new(0));
let last_filter_len = Arc::new(AtomicUsize::new(0));
let scanner = Box::new(RecordingScanner::new(
schema,
metadata,
update_calls.clone(),
last_filter_len.clone(),
));
let scan = Arc::new(RegionScanExec::new(scanner, ScanRequest::default(), None).unwrap());
let sort_expr = PhysicalSortExpr {
expr: Arc::new(Column::new("ts", 0)),
options: SortOptions {
descending: true,
..Default::default()
},
};
let partition_ranges: Vec<Vec<PartitionRange>> = vec![vec![]];
let mut plan: Arc<dyn ExecutionPlan> =
Arc::new(PartSortExec::try_new(sort_expr, Some(3), partition_ranges, scan).unwrap());
for optimizer in state.physical_optimizers() {
plan = optimizer.optimize(plan, state.config_options()).unwrap();
}
assert!(update_calls.load(Ordering::Relaxed) > 0);
assert!(last_filter_len.load(Ordering::Relaxed) > 0);
}
#[tokio::test]
async fn test_join_dynamic_filter_pushdown_reaches_region_scan() {
let engine = create_test_engine().await;
let engine = engine
.as_any()
.downcast_ref::<DatafusionQueryEngine>()
.unwrap();
let engine_ctx = engine.engine_context(QueryContext::arc());
let state = engine_ctx.state();
assert!(
state
.config_options()
.optimizer
.enable_join_dynamic_filter_pushdown
);
let schema = Arc::new(datatypes::schema::Schema::new(vec![ColumnSchema::new(
"ts",
ConcreteDataType::timestamp_millisecond_datatype(),
false,
)]));
let mut left_metadata_builder = RegionMetadataBuilder::new(RegionId::new(2048, 1));
left_metadata_builder
.push_column_metadata(ColumnMetadata {
column_schema: ColumnSchema::new(
"ts",
ConcreteDataType::timestamp_millisecond_datatype(),
false,
)
.with_time_index(true),
semantic_type: SemanticType::Timestamp,
column_id: 1,
})
.primary_key(vec![]);
let left_metadata = Arc::new(left_metadata_builder.build().unwrap());
let mut right_metadata_builder = RegionMetadataBuilder::new(RegionId::new(2048, 2));
right_metadata_builder
.push_column_metadata(ColumnMetadata {
column_schema: ColumnSchema::new(
"ts",
ConcreteDataType::timestamp_millisecond_datatype(),
false,
)
.with_time_index(true),
semantic_type: SemanticType::Timestamp,
column_id: 1,
})
.primary_key(vec![]);
let right_metadata = Arc::new(right_metadata_builder.build().unwrap());
let left_update_calls = Arc::new(AtomicUsize::new(0));
let left_last_filter_len = Arc::new(AtomicUsize::new(0));
let right_update_calls = Arc::new(AtomicUsize::new(0));
let right_last_filter_len = Arc::new(AtomicUsize::new(0));
let left_scan = Arc::new(
RegionScanExec::new(
Box::new(RecordingScanner::new(
schema.clone(),
left_metadata,
left_update_calls.clone(),
left_last_filter_len.clone(),
)),
ScanRequest::default(),
None,
)
.unwrap(),
);
let right_scan = Arc::new(
RegionScanExec::new(
Box::new(RecordingScanner::new(
schema,
right_metadata,
right_update_calls.clone(),
right_last_filter_len.clone(),
)),
ScanRequest::default(),
None,
)
.unwrap(),
);
let on: JoinOn = vec![(
Arc::new(Column::new("ts", 0)) as Arc<dyn PhysicalExpr>,
Arc::new(Column::new("ts", 0)) as Arc<dyn PhysicalExpr>,
)];
let mut plan: Arc<dyn ExecutionPlan> = Arc::new(
HashJoinExec::try_new(
left_scan,
right_scan,
on,
None,
&JoinType::Inner,
None,
PartitionMode::CollectLeft,
NullEquality::NullEqualsNull,
false,
)
.unwrap(),
);
for optimizer in state.physical_optimizers() {
plan = optimizer.optimize(plan, state.config_options()).unwrap();
}
assert!(left_update_calls.load(Ordering::Relaxed) > 0);
assert_eq!(0, left_last_filter_len.load(Ordering::Relaxed));
assert!(right_update_calls.load(Ordering::Relaxed) > 0);
assert!(right_last_filter_len.load(Ordering::Relaxed) > 0);
}
#[derive(Default)]
struct RecordingMutationHandler {
inserts: std::sync::Mutex<Vec<table::requests::InsertRequest>>,
}
#[async_trait]
impl common_function::handlers::TableMutationHandler for RecordingMutationHandler {
async fn insert(
&self,
request: table::requests::InsertRequest,
_ctx: session::context::QueryContextRef,
) -> common_query::error::Result<common_query::Output> {
self.inserts.lock().unwrap().push(request);
Ok(common_query::Output::new_with_affected_rows(1))
}
async fn delete(
&self,
_request: table::requests::DeleteRequest,
_ctx: session::context::QueryContextRef,
) -> common_query::error::Result<common_base::AffectedRows> {
unimplemented!("unexpected delete")
}
async fn flush(
&self,
_request: table::requests::FlushTableRequest,
_ctx: session::context::QueryContextRef,
) -> common_query::error::Result<common_base::AffectedRows> {
unimplemented!("unexpected flush")
}
async fn compact(
&self,
_request: table::requests::CompactTableRequest,
_ctx: session::context::QueryContextRef,
) -> common_query::error::Result<common_base::AffectedRows> {
unimplemented!("unexpected compact")
}
async fn build_index(
&self,
_request: table::requests::BuildIndexTableRequest,
_ctx: session::context::QueryContextRef,
) -> common_query::error::Result<common_base::AffectedRows> {
unimplemented!("unexpected build_index")
}
async fn flush_region(
&self,
_region_id: store_api::storage::RegionId,
_ctx: session::context::QueryContextRef,
) -> common_query::error::Result<common_base::AffectedRows> {
unimplemented!("unexpected flush_region")
}
async fn compact_region(
&self,
_region_id: store_api::storage::RegionId,
_ctx: session::context::QueryContextRef,
) -> common_query::error::Result<common_base::AffectedRows> {
unimplemented!("unexpected compact_region")
}
async fn discard_unflushed_data(
&self,
_region_id: store_api::storage::RegionId,
_ctx: session::context::QueryContextRef,
) -> common_query::error::Result<common_base::AffectedRows> {
unimplemented!("unexpected discard_unflushed_data")
}
async fn discard_unflushed_data_by_table(
&self,
_table_name: table::table_name::TableName,
_ctx: session::context::QueryContextRef,
) -> common_query::error::Result<common_base::AffectedRows> {
unimplemented!("unexpected discard_unflushed_data_by_table")
}
}
fn native_schema() -> Arc<Schema> {
Arc::new(Schema::new(vec![
ColumnSchema::new("dim", ConcreteDataType::date_datatype(), true),
ColumnSchema::new("amount", ConcreteDataType::decimal128_datatype(30, 2), true),
ColumnSchema::new(
"elapsed",
ConcreteDataType::duration_millisecond_datatype(),
true,
),
ColumnSchema::new(
"ts",
ConcreteDataType::timestamp_millisecond_datatype(),
false,
)
.with_time_index(true),
ColumnSchema::new(
"updated_at",
ConcreteDataType::timestamp_millisecond_datatype(),
true,
),
ColumnSchema::new("marker", ConcreteDataType::uint8_datatype(), true),
ColumnSchema::new("payload", ConcreteDataType::binary_datatype(), true),
ColumnSchema::new("epoch", ConcreteDataType::uint64_datatype(), true),
]))
}
fn register_native_tables(catalog: &catalog::memory::MemoryCatalogManager) {
let schema = native_schema();
let meta = TableMetaBuilder::empty()
.schema(schema.clone())
.primary_key_indices(vec![])
.value_indices((0..schema.num_columns()).collect())
.next_column_id(8)
.build()
.unwrap();
let info = TableInfoBuilder::default()
.name("native_regression")
.table_id(9001)
.table_version(0)
.meta(meta)
.build()
.unwrap();
catalog
.register_table_sync(RegisterTableRequest {
catalog: DEFAULT_CATALOG_NAME.to_string(),
schema: DEFAULT_SCHEMA_NAME.to_string(),
table_name: "native_regression".to_string(),
table_id: 9001,
table: table::test_util::EmptyTable::from_table_info(&info),
})
.unwrap();
let schema = Arc::new(Schema::new(vec![
ColumnSchema::new("dim", ConcreteDataType::date_datatype(), true),
ColumnSchema::new("amount", ConcreteDataType::decimal128_datatype(20, 2), true),
ColumnSchema::new(
"elapsed",
ConcreteDataType::duration_millisecond_datatype(),
true,
),
ColumnSchema::new(
"ts",
ConcreteDataType::timestamp_millisecond_datatype(),
false,
)
.with_time_index(true),
]));
let rows = RecordBatch::new(
schema,
vec![
Arc::new(datatypes::vectors::DateVector::from_slice([0, 2])) as VectorRef,
Arc::new(
datatypes::vectors::Decimal128Vector::from_slice([10000, 20000])
.with_precision_and_scale(20, 2)
.unwrap(),
) as VectorRef,
Arc::new(datatypes::vectors::DurationMillisecondVector::from_values(
[10, 20],
)) as VectorRef,
Arc::new(datatypes::vectors::TimestampMillisecondVector::from_slice(
[1, 2],
)) as VectorRef,
],
)
.unwrap();
catalog
.register_table_sync(RegisterTableRequest {
catalog: DEFAULT_CATALOG_NAME.to_string(),
schema: DEFAULT_SCHEMA_NAME.to_string(),
table_name: "native_aggregate".to_string(),
table_id: 9002,
table: table::test_util::MemTable::table("native_aggregate", rows),
})
.unwrap();
}
async fn run_sql(engine: &QueryEngineRef, sql: &str) -> Vec<RecordBatch> {
let stmt = QueryLanguageParser::parse_sql(sql, &QueryContext::arc()).unwrap();
let plan = engine
.planner()
.plan(&stmt, QueryContext::arc())
.await
.unwrap();
match engine
.execute(plan, QueryContext::arc())
.await
.unwrap()
.data
{
OutputData::Stream(stream) => util::collect(stream).await.unwrap(),
_ => unreachable!(),
}
}
#[tokio::test]
async fn test_native_executor_null_insert_and_aggregates() {
let catalog = catalog::memory::new_memory_catalog_manager().unwrap();
register_native_tables(&catalog);
let handler = Arc::new(RecordingMutationHandler::default());
let engine = QueryEngineFactory::new(
catalog,
None,
Some(handler.clone()),
None,
None,
false,
QueryOptions::default(),
)
.query_engine();
// The CASTs force Insert::can_extract_values false. This records the
// QueryEngine DML path selected by operator/src/statement/dml.rs.
let insert_sql = "INSERT INTO native_regression (dim, amount, elapsed, ts, updated_at, marker, payload, epoch) VALUES (NULL, NULL, NULL, CAST(-62135596799999 AS TIMESTAMP(3)), CAST(NULL AS TIMESTAMP(3)), CAST(1 AS UInt8), X'0102', CAST(1 AS UInt64))";
let stmt = QueryLanguageParser::parse_sql(insert_sql, &QueryContext::arc()).unwrap();
let QueryStatement::Sql(sql::statements::statement::Statement::Insert(insert)) = &stmt
else {
unreachable!()
};
assert!(!insert.can_extract_values());
let plan = engine
.planner()
.plan(&stmt, QueryContext::arc())
.await
.unwrap();
assert!(matches!(
engine
.execute(plan, QueryContext::arc())
.await
.unwrap()
.data,
OutputData::AffectedRows(1)
));
let request = handler.inserts.lock().unwrap().pop().unwrap();
for (name, data_type) in [
("dim", ConcreteDataType::date_datatype()),
("amount", ConcreteDataType::decimal128_datatype(30, 2)),
("elapsed", ConcreteDataType::duration_millisecond_datatype()),
(
"updated_at",
ConcreteDataType::timestamp_millisecond_datatype(),
),
] {
let vector = request.columns_values.get(name).unwrap();
assert_eq!(vector.len(), 1, "{name}");
assert_eq!(vector.data_type(), data_type, "{name}");
assert!(vector.is_null(0), "{name}");
}
assert!(!request.columns_values["ts"].is_null(0));
for (name, data_type) in [
("marker", ConcreteDataType::uint8_datatype()),
("payload", ConcreteDataType::binary_datatype()),
("epoch", ConcreteDataType::uint64_datatype()),
] {
assert_eq!(
request.columns_values[name].data_type(),
data_type,
"{name}"
);
}
let batches = run_sql(
&engine,
"SELECT MIN(dim), MAX(dim), SUM(amount), SUM(elapsed) FROM native_aggregate",
)
.await;
let batch = &batches[0];
assert_eq!(batch.num_rows(), 1);
for (index, (data_type, value)) in [
(
ConcreteDataType::date_datatype(),
ScalarValue::Date32(Some(0)),
),
(
ConcreteDataType::date_datatype(),
ScalarValue::Date32(Some(2)),
),
(
ConcreteDataType::decimal128_datatype(30, 2),
ScalarValue::Decimal128(Some(30000), 30, 2),
),
(
ConcreteDataType::duration_millisecond_datatype(),
ScalarValue::DurationMillisecond(Some(30)),
),
]
.into_iter()
.enumerate()
{
assert_eq!(batch.schema.column_schemas()[index].data_type, data_type);
assert_eq!(
ScalarValue::try_from_array(batch.column(index).as_ref(), 0).unwrap(),
value
);
}
let batches = run_sql(
&engine,
"SELECT aggregate.amount_sum + aggregate.amount_sum AS amount_add, \
aggregate.elapsed_sum + aggregate.elapsed_sum AS elapsed_add, \
CASE WHEN aggregate.min_dim < CAST('1970-01-02' AS DATE) THEN true ELSE false END AS min_before, \
CASE WHEN aggregate.max_dim > CAST('1970-01-01' AS DATE) THEN true ELSE false END AS max_after \
FROM (SELECT MIN(dim) AS min_dim, MAX(dim) AS max_dim, SUM(amount) AS amount_sum, SUM(elapsed) AS elapsed_sum \
FROM native_aggregate) AS aggregate",
)
.await;
let batch = &batches[0];
assert_eq!(batch.num_rows(), 1);
for (index, (data_type, value)) in [
(
ConcreteDataType::decimal128_datatype(31, 2),
ScalarValue::Decimal128(Some(60000), 31, 2),
),
(
ConcreteDataType::duration_millisecond_datatype(),
ScalarValue::DurationMillisecond(Some(60)),
),
(
ConcreteDataType::boolean_datatype(),
ScalarValue::Boolean(Some(true)),
),
(
ConcreteDataType::boolean_datatype(),
ScalarValue::Boolean(Some(true)),
),
]
.into_iter()
.enumerate()
{
assert_eq!(batch.schema.column_schemas()[index].data_type, data_type);
assert_eq!(
ScalarValue::try_from_array(batch.column(index).as_ref(), 0).unwrap(),
value
);
}
}
}