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Support for partial aggregations at chunk level #5596

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merged 1 commit into from
Sep 14, 2023
Merged

Support for partial aggregations at chunk level #5596

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1 change: 1 addition & 0 deletions .unreleased/feature_5596
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Original file line number Diff line number Diff line change
@@ -0,0 +1 @@
Implements: #5596 Support for partial aggregations at chunk level
13 changes: 13 additions & 0 deletions src/guc.c
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Expand Up @@ -83,6 +83,7 @@ TSDLLEXPORT bool ts_guc_enable_decompression_sorted_merge = true;
bool ts_guc_enable_per_data_node_queries = true;
bool ts_guc_enable_parameterized_data_node_scan = true;
bool ts_guc_enable_async_append = true;
bool ts_guc_enable_chunkwise_aggregation = true;
TSDLLEXPORT bool ts_guc_enable_compression_indexscan = true;
TSDLLEXPORT bool ts_guc_enable_bulk_decompression = true;
TSDLLEXPORT bool ts_guc_enable_skip_scan = true;
Expand Down Expand Up @@ -557,6 +558,18 @@ _guc_init(void)
NULL,
NULL);

DefineCustomBoolVariable("timescaledb.enable_chunkwise_aggregation",
"Enable chunk-wise aggregation",
"Enable the pushdown of aggregations to the"
" chunk level",
&ts_guc_enable_chunkwise_aggregation,
true,
PGC_USERSET,
0,
NULL,
NULL,
NULL);

DefineCustomBoolVariable("timescaledb.enable_remote_explain",
"Show explain from remote nodes when using VERBOSE flag",
"Enable getting and showing EXPLAIN output from remote nodes",
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1 change: 1 addition & 0 deletions src/guc.h
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Expand Up @@ -35,6 +35,7 @@ extern TSDLLEXPORT bool ts_guc_enable_per_data_node_queries;
extern TSDLLEXPORT bool ts_guc_enable_parameterized_data_node_scan;
extern TSDLLEXPORT bool ts_guc_enable_async_append;
extern TSDLLEXPORT bool ts_guc_enable_skip_scan;
extern TSDLLEXPORT bool ts_guc_enable_chunkwise_aggregation;
extern bool ts_guc_restoring;
extern int ts_guc_max_open_chunks_per_insert;
extern int ts_guc_max_cached_chunks_per_hypertable;
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1 change: 1 addition & 0 deletions src/nodes/chunk_append/planner.c
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Expand Up @@ -402,6 +402,7 @@ ts_chunk_append_get_scan_plan(Plan *plan)
return NULL;
break;
case T_MergeAppend:
case T_Agg:
return NULL;
break;
default:
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