Details
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Bug
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Resolution: Fixed
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Major
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7.6.0, 7.1.0, 7.2.1
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Untriaged
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0
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Unknown
Description
Analysis from Donald Haggart
CREATE INDEX ix10 ON default(c1);
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SELECT t3.c2
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FROM default AS t1
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JOIN (SELECT d.c2
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FROM default AS d
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WHERE d.c1 > 0 ) AS t2 ON t1.c2 = t2.c2
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JOIN default t3 ON t2.c2 = META(t3).xattrs._sync.rev
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WHERE t1.c1 < 0 AND t3.c1 > 0 ;
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EXPLAIN SELECT t3.c2 FROM default AS t1 JOIN (SELECT d.c2 FROM default AS d WHERE d.c1 > 0 ) AS t2 ON t1.c2 = t2.c2 JOIN default t3 ON t2.c2 = META(t3).xattrs._sync.rev WHERE t1.c1 < 0 AND t3.c1 > 0 ;
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{
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"requestID": "01e4a742-2eb6-4bdb-8851-cd33236b303e",
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"signature": "json",
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"results": [
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{
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"plan": {
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"#operator": "Sequence",
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"~children": [
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{
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"#operator": "IndexScan3",
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"as": "t1",
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"index": "ix10",
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"index_id": "f535077161f1fd60",
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"index_projection": {
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"primary_key": true
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},
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"keyspace": "default",
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"namespace": "default",
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"spans": [
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{
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"exact": true,
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"range": [
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{
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"high": "0",
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"inclusion": 0,
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"index_key": "`c1`",
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"low": "null"
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}
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]
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}
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],
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"using": "gsi"
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},
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{
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"#operator": "Fetch",
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"as": "t1",
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"keyspace": "default",
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"namespace": "default"
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},
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{
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"#operator": "Parallel",
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"~child": {
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"#operator": "Sequence",
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"~children": [
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{
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"#operator": "Filter",
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"alias": "t1",
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"condition": "((`t1`.`c1`) \u003c 0)"
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}
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]
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}
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},
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{
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"#operator": "HashJoin",
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"build_aliases": [
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"t2"
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],
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"build_exprs": [
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"(`t2`.`c2`)"
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],
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"on_clause": "((`t1`.`c2`) = (`t2`.`c2`))",
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"probe_exprs": [
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"(`t1`.`c2`)"
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],
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"~child": {
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"#operator": "Sequence",
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"~children": [
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{
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"#operator": "Sequence",
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"~children": [
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{
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"#operator": "IndexScan3",
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"as": "d",
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"index": "ix10",
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"index_id": "f535077161f1fd60",
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"index_projection": {
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"primary_key": true
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},
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"keyspace": "default",
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"namespace": "default",
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"spans": [
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{
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"exact": true,
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"range": [
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{
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"inclusion": 0,
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"index_key": "`c1`",
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"low": "0"
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}
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]
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}
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],
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"using": "gsi"
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},
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{
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"#operator": "Fetch",
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"as": "d",
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"keyspace": "default",
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"namespace": "default"
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},
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{
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"#operator": "Parallel",
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"~child": {
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"#operator": "Sequence",
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"~children": [
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{
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"#operator": "Filter",
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"condition": "(0 \u003c (`d`.`c1`))"
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},
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{
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"#operator": "InitialProject",
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"discard_original": true,
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"result_terms": [
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{
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"expr": "(`d`.`c2`)"
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}
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]
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}
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]
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}
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}
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]
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},
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{
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"#operator": "Alias",
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"as": "t2",
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"secondary_term": true
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}
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]
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}
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},
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{
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"#operator": "Parallel",
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"~child": {
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"#operator": "Sequence",
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"~children": [
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{
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"#operator": "NestedLoopJoin",
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"alias": "t3",
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"on_clause": "((`t2`.`c2`) = (((meta(`t3`).`xattrs`).`_sync`).`rev`))",
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"~child": {
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"#operator": "Sequence",
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"~children": [
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{
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"#operator": "IndexScan3",
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"as": "t3",
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"index": "ix10",
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"index_id": "f535077161f1fd60",
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"index_projection": {
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"primary_key": true
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},
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"keyspace": "default",
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"namespace": "default",
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"nested_loop": true,
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"spans": [
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{
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"exact": true,
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"range": [
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{
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"inclusion": 0,
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"index_key": "`c1`",
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"low": "0"
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}
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]
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}
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],
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"using": "gsi"
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},
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{
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"#operator": "Fetch",
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"as": "t3",
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"keyspace": "default",
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"namespace": "default",
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"nested_loop": true
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},
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{
|
"#operator": "Parallel",
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"~child": {
|
"#operator": "Sequence",
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"~children": [
|
{
|
"#operator": "Filter",
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"alias": "t3",
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"condition": "(0 \u003c (`t3`.`c1`))"
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}
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]
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}
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}
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]
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}
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},
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{
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"#operator": "InitialProject",
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"discard_original": true,
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"preserve_order": true,
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"result_terms": [
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{
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"expr": "(`t3`.`c2`)"
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}
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]
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}
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]
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}
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}
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]
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},
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"text": "SELECT t3.c2 FROM default AS t1 JOIN (SELECT d.c2 FROM default AS d WHERE d.c1 \u003e 0 ) AS t2 ON t1.c2 = t2.c2 JOIN default t3 ON t2.c2 = META(t3).xattrs._sync.rev WHERE t1.c1 \u003c 0 AND t3.c1 \u003e 0;"
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}
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],
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"status": "success",
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"metrics": {
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"elapsedTime": "2.692464ms",
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"executionTime": "2.614304ms",
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"resultCount": 1,
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"resultSize": 9819,
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"serviceLoad": 2
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}
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}
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t3 Fetch must have
"subpaths": [
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"_sync"
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]
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Attachments
| For Gerrit Dashboard: MB-57781 | ||||||
|---|---|---|---|---|---|---|
| # | Subject | Branch | Project | Status | CR | V |
| 193605,2 | MB-57781 Proper save/restore this.node on builder | master | query | Status: MERGED | +2 | +1 |
| 193641,2 | MB-57781 Proper save/restore this.node on builder | neo | query | Status: MERGED | +2 | +1 |
| 196332,2 | MB-57781 Modify fix | master | query | Status: MERGED | +2 | +1 |