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[feat](nereids) adjust stats derive by delta row (#39185)
#39222 After analyzing, user may insert new rows. analyzed rows: the rows have been analyzed delta row: rows inserted after analyze job if analyzed rows are filtered out, then we try to estimate filter result by delta row with unknown column stats. ## Proposed changes Issue Number: close #xxx <!--Describe your changes.-->
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regression-test/suites/nereids_p0/delta_row/delta_row.groovy
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| // Licensed to the Apache Software Foundation (ASF) under one | ||
| // or more contributor license agreements. See the NOTICE file | ||
| // distributed with this work for additional information | ||
| // regarding copyright ownership. The ASF licenses this file | ||
| // to you 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. | ||
|
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| suite("delta_row") { | ||
| String database = context.config.getDbNameByFile(context.file) | ||
| sql """ | ||
| drop database if exists ${database}; | ||
| create database ${database}; | ||
| use ${database}; | ||
| CREATE TABLE IF NOT EXISTS t ( | ||
| k int(11) null comment "", | ||
| v string replace null comment "", | ||
| ) engine=olap | ||
| DISTRIBUTED BY HASH(k) BUCKETS 5 properties("replication_num" = "1"); | ||
| insert into t values (1, "a"),(2, "b"),(3, 'c'),(4,'d'); | ||
| analyze table t with sync; | ||
| """ | ||
| explain { | ||
| sql "physical plan select * from t where k > 6" | ||
| contains("stats=0 ") | ||
| contains("stats=4,") | ||
| // PhysicalResultSink[120] ( outputExprs=[k#0, v#1] ) | ||
| // +--PhysicalDistribute[117]@@1 ( distributionSpec=DistributionSpecGather, stats=0 ) | ||
| // +--PhysicalFilter[114]@1 ( predicates=(k#0 > 6), stats=0 ) | ||
| // +--PhysicalOlapScan[111]@0 ( qualified=internal.default_cluster:regression_test_nereids_p0_delta_row.t, stats=4, fr=Optional[1] ) | ||
| } | ||
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| sql "set global enable_auto_analyze=false;" | ||
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| sql "insert into t values (10, 'c');" | ||
| explain { | ||
| sql "physical plan select * from t where k > 6" | ||
| contains("stats=0.5 ") | ||
| contains("stats=5(1),") | ||
| notContains("stats=0 ") | ||
| notContains("stats=4,") | ||
| // PhysicalResultSink[120] ( outputExprs=[k#0, v#1] ) | ||
| // +--PhysicalDistribute[117]@@1 ( distributionSpec=DistributionSpecGather, stats=0.5 ) | ||
| // +--PhysicalFilter[114]@1 ( predicates=(k#0 > 6), stats=0.5 ) | ||
| // +--PhysicalOlapScan[111]@0 ( qualified=internal.default_cluster:regression_test_nereids_p0_delta_row.t, stats=5(1), fr=Optional[1] ) | ||
| } | ||
| } |