--
-- MULTI_MX_EXPLAIN
--
ALTER SEQUENCE pg_catalog.pg_dist_shardid_seq RESTART 1320000;
\c - - - :worker_1_port
\c - - - :worker_2_port
\c - - - :master_port
\a\t
SET citus.task_executor_type TO 'real-time';
SET citus.explain_distributed_queries TO on;
VACUUM ANALYZE lineitem_mx;
VACUUM ANALYZE orders_mx;
VACUUM ANALYZE customer_mx;
VACUUM ANALYZE supplier_mx;
\c - - - :worker_1_port
-- Function that parses explain output as JSON
CREATE FUNCTION explain_json(query text)
RETURNS jsonb
AS $BODY$
DECLARE
result jsonb;
BEGIN
EXECUTE format('EXPLAIN (FORMAT JSON) %s', query) INTO result;
RETURN result;
END;
$BODY$ LANGUAGE plpgsql;
-- Function that parses explain output as XML
CREATE FUNCTION explain_xml(query text)
RETURNS xml
AS $BODY$
DECLARE
result xml;
BEGIN
EXECUTE format('EXPLAIN (FORMAT XML) %s', query) INTO result;
RETURN result;
END;
$BODY$ LANGUAGE plpgsql;
\c - - - :worker_2_port
-- Function that parses explain output as JSON
CREATE FUNCTION explain_json(query text)
RETURNS jsonb
AS $BODY$
DECLARE
result jsonb;
BEGIN
EXECUTE format('EXPLAIN (FORMAT JSON) %s', query) INTO result;
RETURN result;
END;
$BODY$ LANGUAGE plpgsql;
-- Function that parses explain output as XML
CREATE FUNCTION explain_xml(query text)
RETURNS xml
AS $BODY$
DECLARE
result xml;
BEGIN
EXECUTE format('EXPLAIN (FORMAT XML) %s', query) INTO result;
RETURN result;
END;
$BODY$ LANGUAGE plpgsql;
-- Test Text format
EXPLAIN (COSTS FALSE, FORMAT TEXT)
SELECT l_quantity, count(*) count_quantity FROM lineitem_mx
GROUP BY l_quantity ORDER BY count_quantity, l_quantity;
Sort
Sort Key: COALESCE((pg_catalog.sum((COALESCE((pg_catalog.sum(remote_scan.count_quantity))::bigint, '0'::bigint))))::bigint, '0'::bigint), remote_scan.l_quantity
-> HashAggregate
Group Key: remote_scan.l_quantity
-> Custom Scan (Citus Real-Time)
Task Count: 16
Tasks Shown: One of 16
-> Task
Node: host=localhost port=57637 dbname=regression
-> HashAggregate
Group Key: l_quantity
-> Seq Scan on lineitem_mx_1220052 lineitem_mx
-- Test JSON format
EXPLAIN (COSTS FALSE, FORMAT JSON)
SELECT l_quantity, count(*) count_quantity FROM lineitem_mx
GROUP BY l_quantity ORDER BY count_quantity, l_quantity;
[
{
"Plan": {
"Node Type": "Sort",
"Parallel Aware": false,
"Sort Key": ["COALESCE((pg_catalog.sum((COALESCE((pg_catalog.sum(remote_scan.count_quantity))::bigint, '0'::bigint))))::bigint, '0'::bigint)", "remote_scan.l_quantity"],
"Plans": [
{
"Node Type": "Aggregate",
"Strategy": "Hashed",
"Partial Mode": "Simple",
"Parent Relationship": "Outer",
"Parallel Aware": false,
"Group Key": ["remote_scan.l_quantity"],
"Plans": [
{
"Node Type": "Custom Scan",
"Parent Relationship": "Outer",
"Custom Plan Provider": "Citus Real-Time",
"Parallel Aware": false,
"Distributed Query": {
"Job": {
"Task Count": 16,
"Tasks Shown": "One of 16",
"Tasks": [
{
"Node": "host=localhost port=57637 dbname=regression",
"Remote Plan": [
[
{
"Plan": {
"Node Type": "Aggregate",
"Strategy": "Hashed",
"Partial Mode": "Simple",
"Parallel Aware": false,
"Group Key": ["l_quantity"],
"Plans": [
{
"Node Type": "Seq Scan",
"Parent Relationship": "Outer",
"Parallel Aware": false,
"Relation Name": "lineitem_mx_1220052",
"Alias": "lineitem_mx"
}
]
}
}
]
]
}
]
}
}
}
]
}
]
}
}
]
-- Validate JSON format
SELECT true AS valid FROM explain_json($$
SELECT l_quantity, count(*) count_quantity FROM lineitem_mx
GROUP BY l_quantity ORDER BY count_quantity, l_quantity$$);
t
\c - - - :worker_1_port
-- Test XML format
EXPLAIN (COSTS FALSE, FORMAT XML)
SELECT l_quantity, count(*) count_quantity FROM lineitem_mx
GROUP BY l_quantity ORDER BY count_quantity, l_quantity;
Sort
false
- COALESCE((pg_catalog.sum((COALESCE((pg_catalog.sum(remote_scan.count_quantity))::bigint, '0'::bigint))))::bigint, '0'::bigint)
- remote_scan.l_quantity
Aggregate
Hashed
Simple
Outer
false
- remote_scan.l_quantity
Custom Scan
Outer
Citus Real-Time
false
16
One of 16
host=localhost port=57637 dbname=regression
Aggregate
Hashed
Simple
false
- l_quantity
Seq Scan
Outer
false
lineitem_mx_1220052
lineitem_mx
-- Validate XML format
SELECT true AS valid FROM explain_xml($$
SELECT l_quantity, count(*) count_quantity FROM lineitem_mx
GROUP BY l_quantity ORDER BY count_quantity, l_quantity$$);
t
-- Test YAML format
EXPLAIN (COSTS FALSE, FORMAT YAML)
SELECT l_quantity, count(*) count_quantity FROM lineitem_mx
GROUP BY l_quantity ORDER BY count_quantity, l_quantity;
- Plan:
Node Type: "Sort"
Parallel Aware: false
Sort Key:
- "COALESCE((pg_catalog.sum((COALESCE((pg_catalog.sum(remote_scan.count_quantity))::bigint, '0'::bigint))))::bigint, '0'::bigint)"
- "remote_scan.l_quantity"
Plans:
- Node Type: "Aggregate"
Strategy: "Hashed"
Partial Mode: "Simple"
Parent Relationship: "Outer"
Parallel Aware: false
Group Key:
- "remote_scan.l_quantity"
Plans:
- Node Type: "Custom Scan"
Parent Relationship: "Outer"
Custom Plan Provider: "Citus Real-Time"
Parallel Aware: false
Distributed Query:
Job:
Task Count: 16
Tasks Shown: "One of 16"
Tasks:
- Node: "host=localhost port=57637 dbname=regression"
Remote Plan:
- Plan:
Node Type: "Aggregate"
Strategy: "Hashed"
Partial Mode: "Simple"
Parallel Aware: false
Group Key:
- "l_quantity"
Plans:
- Node Type: "Seq Scan"
Parent Relationship: "Outer"
Parallel Aware: false
Relation Name: "lineitem_mx_1220052"
Alias: "lineitem_mx"
-- Test Text format
EXPLAIN (COSTS FALSE, FORMAT TEXT)
SELECT l_quantity, count(*) count_quantity FROM lineitem_mx
GROUP BY l_quantity ORDER BY count_quantity, l_quantity;
Sort
Sort Key: COALESCE((pg_catalog.sum((COALESCE((pg_catalog.sum(remote_scan.count_quantity))::bigint, '0'::bigint))))::bigint, '0'::bigint), remote_scan.l_quantity
-> HashAggregate
Group Key: remote_scan.l_quantity
-> Custom Scan (Citus Real-Time)
Task Count: 16
Tasks Shown: One of 16
-> Task
Node: host=localhost port=57637 dbname=regression
-> HashAggregate
Group Key: l_quantity
-> Seq Scan on lineitem_mx_1220052 lineitem_mx
\c - - - :worker_2_port
-- Test verbose
EXPLAIN (COSTS FALSE, VERBOSE TRUE)
SELECT sum(l_quantity) / avg(l_quantity) FROM lineitem_mx;
Aggregate
Output: (sum(remote_scan."?column?") / (sum(remote_scan."?column?_1") / pg_catalog.sum(remote_scan."?column?_2")))
-> Custom Scan (Citus Real-Time)
Output: remote_scan."?column?", remote_scan."?column?_1", remote_scan."?column?_2"
Task Count: 16
Tasks Shown: One of 16
-> Task
Node: host=localhost port=57637 dbname=regression
-> Aggregate
Output: sum(l_quantity), sum(l_quantity), count(l_quantity)
-> Seq Scan on public.lineitem_mx_1220052 lineitem_mx
Output: l_orderkey, l_partkey, l_suppkey, l_linenumber, l_quantity, l_extendedprice, l_discount, l_tax, l_returnflag, l_linestatus, l_shipdate, l_commitdate, l_receiptdate, l_shipinstruct, l_shipmode, l_comment
-- Test join
EXPLAIN (COSTS FALSE)
SELECT * FROM lineitem_mx
JOIN orders_mx ON l_orderkey = o_orderkey AND l_quantity < 5.0
ORDER BY l_quantity LIMIT 10;
Limit
-> Sort
Sort Key: remote_scan.l_quantity
-> Custom Scan (Citus Real-Time)
Task Count: 16
Tasks Shown: One of 16
-> Task
Node: host=localhost port=57637 dbname=regression
-> Limit
-> Sort
Sort Key: lineitem_mx.l_quantity
-> Hash Join
Hash Cond: (lineitem_mx.l_orderkey = orders_mx.o_orderkey)
-> Seq Scan on lineitem_mx_1220052 lineitem_mx
Filter: (l_quantity < 5.0)
-> Hash
-> Seq Scan on orders_mx_1220068 orders_mx
-- Test insert
EXPLAIN (COSTS FALSE)
INSERT INTO lineitem_mx VALUES(1,0);
Custom Scan (Citus Router)
Task Count: 1
Tasks Shown: All
-> Task
Node: host=localhost port=57637 dbname=regression
-> Insert on lineitem_mx_1220052
-> Result
-- Test update
EXPLAIN (COSTS FALSE)
UPDATE lineitem_mx
SET l_suppkey = 12
WHERE l_orderkey = 1 AND l_partkey = 0;
Custom Scan (Citus Router)
Task Count: 1
Tasks Shown: All
-> Task
Node: host=localhost port=57637 dbname=regression
-> Update on lineitem_mx_1220052 lineitem_mx
-> Index Scan using lineitem_mx_pkey_1220052 on lineitem_mx_1220052 lineitem_mx
Index Cond: (l_orderkey = 1)
Filter: (l_partkey = 0)
-- Test delete
EXPLAIN (COSTS FALSE)
DELETE FROM lineitem_mx
WHERE l_orderkey = 1 AND l_partkey = 0;
Custom Scan (Citus Router)
Task Count: 1
Tasks Shown: All
-> Task
Node: host=localhost port=57637 dbname=regression
-> Delete on lineitem_mx_1220052 lineitem_mx
-> Index Scan using lineitem_mx_pkey_1220052 on lineitem_mx_1220052 lineitem_mx
Index Cond: (l_orderkey = 1)
Filter: (l_partkey = 0)
-- make the outputs more consistent
VACUUM ANALYZE lineitem_mx;
VACUUM ANALYZE orders_mx;
VACUUM ANALYZE customer_mx;
VACUUM ANALYZE supplier_mx;
-- Test single-shard SELECT
EXPLAIN (COSTS FALSE)
SELECT l_quantity FROM lineitem_mx WHERE l_orderkey = 5;
Custom Scan (Citus Router)
Task Count: 1
Tasks Shown: All
-> Task
Node: host=localhost port=57638 dbname=regression
-> Index Scan using lineitem_mx_pkey_1220055 on lineitem_mx_1220055 lineitem_mx
Index Cond: (l_orderkey = 5)
SELECT true AS valid FROM explain_xml($$
SELECT l_quantity FROM lineitem_mx WHERE l_orderkey = 5$$);
t
SELECT true AS valid FROM explain_json($$
SELECT l_quantity FROM lineitem_mx WHERE l_orderkey = 5$$);
t
-- Test CREATE TABLE ... AS
EXPLAIN (COSTS FALSE)
CREATE TABLE explain_result AS
SELECT * FROM lineitem_mx;
Custom Scan (Citus Real-Time)
Task Count: 16
Tasks Shown: One of 16
-> Task
Node: host=localhost port=57637 dbname=regression
-> Seq Scan on lineitem_mx_1220052 lineitem_mx
-- Test all tasks output
SET citus.explain_all_tasks TO on;
EXPLAIN (COSTS FALSE)
SELECT avg(l_linenumber) FROM lineitem_mx WHERE l_orderkey > 9030;
Aggregate
-> Custom Scan (Citus Real-Time)
Task Count: 16
Tasks Shown: All
-> Task
Node: host=localhost port=57637 dbname=regression
-> Aggregate
-> Index Only Scan using lineitem_mx_pkey_1220052 on lineitem_mx_1220052 lineitem_mx
Index Cond: (l_orderkey > 9030)
-> Task
Node: host=localhost port=57638 dbname=regression
-> Aggregate
-> Index Only Scan using lineitem_mx_pkey_1220053 on lineitem_mx_1220053 lineitem_mx
Index Cond: (l_orderkey > 9030)
-> Task
Node: host=localhost port=57637 dbname=regression
-> Aggregate
-> Index Only Scan using lineitem_mx_pkey_1220054 on lineitem_mx_1220054 lineitem_mx
Index Cond: (l_orderkey > 9030)
-> Task
Node: host=localhost port=57638 dbname=regression
-> Aggregate
-> Index Only Scan using lineitem_mx_pkey_1220055 on lineitem_mx_1220055 lineitem_mx
Index Cond: (l_orderkey > 9030)
-> Task
Node: host=localhost port=57637 dbname=regression
-> Aggregate
-> Index Only Scan using lineitem_mx_pkey_1220056 on lineitem_mx_1220056 lineitem_mx
Index Cond: (l_orderkey > 9030)
-> Task
Node: host=localhost port=57638 dbname=regression
-> Aggregate
-> Index Only Scan using lineitem_mx_pkey_1220057 on lineitem_mx_1220057 lineitem_mx
Index Cond: (l_orderkey > 9030)
-> Task
Node: host=localhost port=57637 dbname=regression
-> Aggregate
-> Index Only Scan using lineitem_mx_pkey_1220058 on lineitem_mx_1220058 lineitem_mx
Index Cond: (l_orderkey > 9030)
-> Task
Node: host=localhost port=57638 dbname=regression
-> Aggregate
-> Index Only Scan using lineitem_mx_pkey_1220059 on lineitem_mx_1220059 lineitem_mx
Index Cond: (l_orderkey > 9030)
-> Task
Node: host=localhost port=57637 dbname=regression
-> Aggregate
-> Index Only Scan using lineitem_mx_pkey_1220060 on lineitem_mx_1220060 lineitem_mx
Index Cond: (l_orderkey > 9030)
-> Task
Node: host=localhost port=57638 dbname=regression
-> Aggregate
-> Index Only Scan using lineitem_mx_pkey_1220061 on lineitem_mx_1220061 lineitem_mx
Index Cond: (l_orderkey > 9030)
-> Task
Node: host=localhost port=57637 dbname=regression
-> Aggregate
-> Index Only Scan using lineitem_mx_pkey_1220062 on lineitem_mx_1220062 lineitem_mx
Index Cond: (l_orderkey > 9030)
-> Task
Node: host=localhost port=57638 dbname=regression
-> Aggregate
-> Index Only Scan using lineitem_mx_pkey_1220063 on lineitem_mx_1220063 lineitem_mx
Index Cond: (l_orderkey > 9030)
-> Task
Node: host=localhost port=57637 dbname=regression
-> Aggregate
-> Index Only Scan using lineitem_mx_pkey_1220064 on lineitem_mx_1220064 lineitem_mx
Index Cond: (l_orderkey > 9030)
-> Task
Node: host=localhost port=57638 dbname=regression
-> Aggregate
-> Seq Scan on lineitem_mx_1220065 lineitem_mx
Filter: (l_orderkey > 9030)
-> Task
Node: host=localhost port=57637 dbname=regression
-> Aggregate
-> Index Only Scan using lineitem_mx_pkey_1220066 on lineitem_mx_1220066 lineitem_mx
Index Cond: (l_orderkey > 9030)
-> Task
Node: host=localhost port=57638 dbname=regression
-> Aggregate
-> Index Only Scan using lineitem_mx_pkey_1220067 on lineitem_mx_1220067 lineitem_mx
Index Cond: (l_orderkey > 9030)
SELECT true AS valid FROM explain_xml($$
SELECT avg(l_linenumber) FROM lineitem_mx WHERE l_orderkey > 9030$$);
t
SELECT true AS valid FROM explain_json($$
SELECT avg(l_linenumber) FROM lineitem_mx WHERE l_orderkey > 9030$$);
t
-- Test track tracker
SET citus.task_executor_type TO 'task-tracker';
SET citus.explain_all_tasks TO off;
EXPLAIN (COSTS FALSE)
SELECT avg(l_linenumber) FROM lineitem_mx WHERE l_orderkey > 9030;
Aggregate
-> Custom Scan (Citus Task-Tracker)
Task Count: 16
Tasks Shown: One of 16
-> Task
Node: host=localhost port=57637 dbname=regression
-> Aggregate
-> Index Only Scan using lineitem_mx_pkey_1220052 on lineitem_mx_1220052 lineitem_mx
Index Cond: (l_orderkey > 9030)
-- Test re-partition join
SET citus.large_table_shard_count TO 1;
EXPLAIN (COSTS FALSE)
SELECT count(*)
FROM lineitem_mx, orders_mx, customer_mx, supplier_mx
WHERE l_orderkey = o_orderkey
AND o_custkey = c_custkey
AND l_suppkey = s_suppkey;
Aggregate
-> Custom Scan (Citus Task-Tracker)
Task Count: 16
Tasks Shown: One of 16
-> Task
Node: host=localhost port=57637 dbname=regression
-> Aggregate
-> Hash Join
Hash Cond: (lineitem_mx.l_orderkey = orders_mx.o_orderkey)
-> Hash Join
Hash Cond: (supplier_mx.s_suppkey = lineitem_mx.l_suppkey)
-> Seq Scan on supplier_mx_1220087 supplier_mx
-> Hash
-> Seq Scan on lineitem_mx_1220052 lineitem_mx
-> Hash
-> Hash Join
Hash Cond: (customer_mx.c_custkey = orders_mx.o_custkey)
-> Seq Scan on customer_mx_1220084 customer_mx
-> Hash
-> Seq Scan on orders_mx_1220068 orders_mx
EXPLAIN (COSTS FALSE, FORMAT JSON)
SELECT count(*)
FROM lineitem_mx, orders_mx, customer_mx, supplier_mx
WHERE l_orderkey = o_orderkey
AND o_custkey = c_custkey
AND l_suppkey = s_suppkey;
[
{
"Plan": {
"Node Type": "Aggregate",
"Strategy": "Plain",
"Partial Mode": "Simple",
"Parallel Aware": false,
"Plans": [
{
"Node Type": "Custom Scan",
"Parent Relationship": "Outer",
"Custom Plan Provider": "Citus Task-Tracker",
"Parallel Aware": false,
"Distributed Query": {
"Job": {
"Task Count": 16,
"Tasks Shown": "One of 16",
"Tasks": [
{
"Node": "host=localhost port=57637 dbname=regression",
"Remote Plan": [
[
{
"Plan": {
"Node Type": "Aggregate",
"Strategy": "Plain",
"Partial Mode": "Simple",
"Parallel Aware": false,
"Plans": [
{
"Node Type": "Hash Join",
"Parent Relationship": "Outer",
"Parallel Aware": false,
"Join Type": "Inner",
"Hash Cond": "(lineitem_mx.l_orderkey = orders_mx.o_orderkey)",
"Plans": [
{
"Node Type": "Hash Join",
"Parent Relationship": "Outer",
"Parallel Aware": false,
"Join Type": "Inner",
"Hash Cond": "(supplier_mx.s_suppkey = lineitem_mx.l_suppkey)",
"Plans": [
{
"Node Type": "Seq Scan",
"Parent Relationship": "Outer",
"Parallel Aware": false,
"Relation Name": "supplier_mx_1220087",
"Alias": "supplier_mx"
},
{
"Node Type": "Hash",
"Parent Relationship": "Inner",
"Parallel Aware": false,
"Plans": [
{
"Node Type": "Seq Scan",
"Parent Relationship": "Outer",
"Parallel Aware": false,
"Relation Name": "lineitem_mx_1220052",
"Alias": "lineitem_mx"
}
]
}
]
},
{
"Node Type": "Hash",
"Parent Relationship": "Inner",
"Parallel Aware": false,
"Plans": [
{
"Node Type": "Hash Join",
"Parent Relationship": "Outer",
"Parallel Aware": false,
"Join Type": "Inner",
"Hash Cond": "(customer_mx.c_custkey = orders_mx.o_custkey)",
"Plans": [
{
"Node Type": "Seq Scan",
"Parent Relationship": "Outer",
"Parallel Aware": false,
"Relation Name": "customer_mx_1220084",
"Alias": "customer_mx"
},
{
"Node Type": "Hash",
"Parent Relationship": "Inner",
"Parallel Aware": false,
"Plans": [
{
"Node Type": "Seq Scan",
"Parent Relationship": "Outer",
"Parallel Aware": false,
"Relation Name": "orders_mx_1220068",
"Alias": "orders_mx"
}
]
}
]
}
]
}
]
}
]
}
}
]
]
}
]
}
}
}
]
}
}
]
SELECT true AS valid FROM explain_json($$
SELECT count(*)
FROM lineitem_mx, orders_mx, customer_mx, supplier_mx
WHERE l_orderkey = o_orderkey
AND o_custkey = c_custkey
AND l_suppkey = s_suppkey$$);
t
EXPLAIN (COSTS FALSE, FORMAT XML)
SELECT count(*)
FROM lineitem_mx, orders_mx, customer_mx, supplier_mx
WHERE l_orderkey = o_orderkey
AND o_custkey = c_custkey
AND l_suppkey = s_suppkey;
Aggregate
Plain
Simple
false
Custom Scan
Outer
Citus Task-Tracker
false
16
One of 16
host=localhost port=57637 dbname=regression
Aggregate
Plain
Simple
false
Hash Join
Outer
false
Inner
(lineitem_mx.l_orderkey = orders_mx.o_orderkey)
Hash Join
Outer
false
Inner
(supplier_mx.s_suppkey = lineitem_mx.l_suppkey)
Seq Scan
Outer
false
supplier_mx_1220087
supplier_mx
Hash
Inner
false
Seq Scan
Outer
false
lineitem_mx_1220052
lineitem_mx
Hash
Inner
false
Hash Join
Outer
false
Inner
(customer_mx.c_custkey = orders_mx.o_custkey)
Seq Scan
Outer
false
customer_mx_1220084
customer_mx
Hash
Inner
false
Seq Scan
Outer
false
orders_mx_1220068
orders_mx
SELECT true AS valid FROM explain_xml($$
SELECT count(*)
FROM lineitem_mx, orders_mx, customer_mx, supplier_mx
WHERE l_orderkey = o_orderkey
AND o_custkey = c_custkey
AND l_suppkey = s_suppkey$$);
t
EXPLAIN (COSTS FALSE, FORMAT YAML)
SELECT count(*)
FROM lineitem_mx, orders_mx, customer_mx, supplier_mx
WHERE l_orderkey = o_orderkey
AND o_custkey = c_custkey
AND l_suppkey = s_suppkey;
- Plan:
Node Type: "Aggregate"
Strategy: "Plain"
Partial Mode: "Simple"
Parallel Aware: false
Plans:
- Node Type: "Custom Scan"
Parent Relationship: "Outer"
Custom Plan Provider: "Citus Task-Tracker"
Parallel Aware: false
Distributed Query:
Job:
Task Count: 16
Tasks Shown: "One of 16"
Tasks:
- Node: "host=localhost port=57637 dbname=regression"
Remote Plan:
- Plan:
Node Type: "Aggregate"
Strategy: "Plain"
Partial Mode: "Simple"
Parallel Aware: false
Plans:
- Node Type: "Hash Join"
Parent Relationship: "Outer"
Parallel Aware: false
Join Type: "Inner"
Hash Cond: "(lineitem_mx.l_orderkey = orders_mx.o_orderkey)"
Plans:
- Node Type: "Hash Join"
Parent Relationship: "Outer"
Parallel Aware: false
Join Type: "Inner"
Hash Cond: "(supplier_mx.s_suppkey = lineitem_mx.l_suppkey)"
Plans:
- Node Type: "Seq Scan"
Parent Relationship: "Outer"
Parallel Aware: false
Relation Name: "supplier_mx_1220087"
Alias: "supplier_mx"
- Node Type: "Hash"
Parent Relationship: "Inner"
Parallel Aware: false
Plans:
- Node Type: "Seq Scan"
Parent Relationship: "Outer"
Parallel Aware: false
Relation Name: "lineitem_mx_1220052"
Alias: "lineitem_mx"
- Node Type: "Hash"
Parent Relationship: "Inner"
Parallel Aware: false
Plans:
- Node Type: "Hash Join"
Parent Relationship: "Outer"
Parallel Aware: false
Join Type: "Inner"
Hash Cond: "(customer_mx.c_custkey = orders_mx.o_custkey)"
Plans:
- Node Type: "Seq Scan"
Parent Relationship: "Outer"
Parallel Aware: false
Relation Name: "customer_mx_1220084"
Alias: "customer_mx"
- Node Type: "Hash"
Parent Relationship: "Inner"
Parallel Aware: false
Plans:
- Node Type: "Seq Scan"
Parent Relationship: "Outer"
Parallel Aware: false
Relation Name: "orders_mx_1220068"
Alias: "orders_mx"