Details
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Bug
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Resolution: Fixed
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Critical
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7.6.0
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Untriaged
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0
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Unknown
Description
CREATE INDEX ix10 ON default(c1,c2);
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CREATE INDEX ix20 ON default(META().id);
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EXPLAIN SELECT l.*, r.*
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FROM default l
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LEFT JOIN default r ON META(r).id = CASE WHEN l.c1 THEN l.c1 ELSE l.c2 END
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WHERE l.c1 IS NULL;
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explain select l.*, r.* FROM default l LEFT JOIN default r ON META(r).id = CASE WHEN l.c1 THEN l.c1 ELSE l.c2 END WHERE l.c1 IS NULL;
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{
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"requestID": "6ac8cc24-d773-4ae0-a4ac-310344d7b68b",
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"signature": "json",
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"results": [
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{
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"cardinality": 1.0842021724855044e-19,
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"cost": 1000,
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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": "l",
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"index": "ix10",
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"index_id": "c524d3940141056e",
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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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"optimizer_estimates": {
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"cardinality": 1.0842021724855044e-19,
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"cost": 1000,
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"fr_cost": 1000,
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"size": 1
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},
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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": "null",
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"inclusion": 3,
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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": "l",
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"keyspace": "default",
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"namespace": "default",
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"optimizer_estimates": {
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"cardinality": 1.0842021724855044e-19,
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"cost": 1000,
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"fr_cost": 1000,
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"size": 1
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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": "Filter",
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"alias": "l",
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"condition": "((`l`.`c1`) is null)",
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"optimizer_estimates": {
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"cardinality": 1.0842021724855044e-19,
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"cost": 1000,
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"fr_cost": 1000,
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"size": 1
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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": "Join",
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"as": "r",
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"keyspace": "default",
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"namespace": "default",
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"on_filter": "((meta(`r`).`id`) is not null)",
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"on_keys": "case when (`l`.`c1`) then (`l`.`c1`) else (`l`.`c2`) end",
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"optimizer_estimates": {
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"cardinality": 1.0842021724855044e-19,
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"cost": 1000,
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"fr_cost": 1000,
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"size": 1
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},
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"outer": true
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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": "((meta(`r`).`id`) is not null)",
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"optimizer_estimates": {
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"cardinality": 1.0842021724855044e-19,
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"cost": 1000,
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"fr_cost": 1000,
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"size": 1
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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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"optimizer_estimates": {
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"cardinality": 1.0842021724855044e-19,
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"cost": 1000,
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"fr_cost": 1000,
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"size": 1
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},
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"preserve_order": true,
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"result_terms": [
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{
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"expr": "`l`",
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"star": true
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},
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{
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"expr": "`r`",
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"star": 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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}
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]
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},
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"text": "select l.*, r.* FROM default l LEFT JOIN default r ON META(r).id = CASE WHEN l.c1 THEN l.c1 ELSE l.c2 END WHERE l.c1 IS NULL;"
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}
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],
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"status": "success",
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"metrics": {
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"elapsedTime": "8.06713ms",
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"executionTime": "7.913362ms",
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"resultCount": 1,
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"resultSize": 5136,
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"serviceLoad": 3
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}
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}
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JOIN should not have on_filter, inner side should not have Filter operator