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[trinodb#36] Expose columns in unenforced predicate to QueryInfo
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yangjinde
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Apr 24, 2023
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118 changes: 118 additions & 0 deletions
118
core/trino-main/src/main/java/io/trino/execution/ColumnsInPredicate.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,118 @@ | ||
| /* | ||
| * Licensed 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. | ||
| */ | ||
| package io.trino.execution; | ||
|
|
||
| import com.fasterxml.jackson.annotation.JsonCreator; | ||
| import com.fasterxml.jackson.annotation.JsonProperty; | ||
| import com.google.common.collect.ImmutableSet; | ||
|
|
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| import javax.annotation.concurrent.Immutable; | ||
|
|
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| import java.util.Objects; | ||
| import java.util.Set; | ||
|
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| import static com.google.common.base.MoreObjects.toStringHelper; | ||
| import static java.util.Objects.requireNonNull; | ||
|
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| @Immutable | ||
| public final class ColumnsInPredicate | ||
| { | ||
| private final String catalog; | ||
| private final String schema; | ||
| private final String table; | ||
| private final Set<Column> colsInDiscretePredicate; | ||
| private final Set<Column> colsInRangePredicate; | ||
|
|
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| @JsonCreator | ||
| public ColumnsInPredicate( | ||
| @JsonProperty("catalog") String catalog, | ||
| @JsonProperty("schema") String schema, | ||
| @JsonProperty("table") String table, | ||
| @JsonProperty("colsInDiscretePredicate") Set<Column> colsInDiscretePredicate, | ||
| @JsonProperty("colsInRangePredicate") Set<Column> colsInRangePredicate) | ||
| { | ||
| this.catalog = requireNonNull(catalog, "catalog is null"); | ||
| this.schema = requireNonNull(schema, "schema is null"); | ||
| this.table = requireNonNull(table, "table is null"); | ||
| requireNonNull(colsInDiscretePredicate, "colsInDiscretePredicate is null"); | ||
| this.colsInDiscretePredicate = ImmutableSet.copyOf(colsInDiscretePredicate); | ||
| requireNonNull(colsInRangePredicate, "colsInRangePredicate is null"); | ||
| this.colsInRangePredicate = ImmutableSet.copyOf(colsInRangePredicate); | ||
| } | ||
|
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| @JsonProperty | ||
| public String getCatalog() | ||
| { | ||
| return catalog; | ||
| } | ||
|
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| @JsonProperty | ||
| public String getSchema() | ||
| { | ||
| return schema; | ||
| } | ||
|
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| @JsonProperty | ||
| public String getTable() | ||
| { | ||
| return table; | ||
| } | ||
|
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| @JsonProperty | ||
| public Set<Column> getColsInDiscretePredicate() | ||
| { | ||
| return colsInDiscretePredicate; | ||
| } | ||
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| @JsonProperty | ||
| public Set<Column> getColsInRangePredicate() | ||
| { | ||
| return colsInRangePredicate; | ||
| } | ||
|
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||
| @Override | ||
| public boolean equals(Object o) | ||
| { | ||
| if (this == o) { | ||
| return true; | ||
| } | ||
| if (o == null || getClass() != o.getClass()) { | ||
| return false; | ||
| } | ||
| ColumnsInPredicate other = (ColumnsInPredicate) o; | ||
| return Objects.equals(catalog, other.catalog) && | ||
| Objects.equals(schema, other.schema) && | ||
| Objects.equals(table, other.table) && | ||
| Objects.equals(colsInDiscretePredicate, other.colsInDiscretePredicate) && | ||
| Objects.equals(colsInRangePredicate, other.colsInRangePredicate); | ||
| } | ||
|
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| @Override | ||
| public int hashCode() | ||
| { | ||
| return Objects.hash(catalog, schema, table, colsInDiscretePredicate, colsInRangePredicate); | ||
| } | ||
|
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| @Override | ||
| public String toString() | ||
| { | ||
| return toStringHelper(this) | ||
| .addValue(catalog) | ||
| .addValue(schema) | ||
| .addValue(table) | ||
| .addValue(colsInDiscretePredicate) | ||
| .addValue(colsInRangePredicate) | ||
| .toString(); | ||
| } | ||
| } |
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121 changes: 121 additions & 0 deletions
121
.../trino-main/src/main/java/io/trino/sql/planner/ColumnsInUnenforcedPredicateExtractor.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,121 @@ | ||
| /* | ||
| * Licensed 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. | ||
| */ | ||
| package io.trino.sql.planner; | ||
|
|
||
| import io.trino.Session; | ||
| import io.trino.execution.Column; | ||
| import io.trino.execution.ColumnsInPredicate; | ||
| import io.trino.metadata.Metadata; | ||
| import io.trino.metadata.QualifiedObjectName; | ||
| import io.trino.metadata.TableHandle; | ||
| import io.trino.metadata.TableSchema; | ||
| import io.trino.spi.connector.ColumnMetadata; | ||
| import io.trino.spi.predicate.TupleDomain; | ||
| import io.trino.spi.predicate.ValueSet; | ||
| import io.trino.sql.planner.plan.PlanNode; | ||
| import io.trino.sql.planner.plan.PlanVisitor; | ||
| import io.trino.sql.planner.plan.TableScanNode; | ||
|
|
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| import java.util.HashMap; | ||
| import java.util.HashSet; | ||
| import java.util.Map; | ||
| import java.util.Set; | ||
|
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| import static com.google.common.collect.ImmutableSet.toImmutableSet; | ||
|
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| public class ColumnsInUnenforcedPredicateExtractor | ||
| { | ||
| private final Metadata metadata; | ||
| private final Session session; | ||
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| public ColumnsInUnenforcedPredicateExtractor(Metadata metadata, Session session) | ||
| { | ||
| this.metadata = metadata; | ||
| this.session = session; | ||
| } | ||
|
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| public Set<ColumnsInPredicate> extract(Plan plan) | ||
| { | ||
| Visitor visitor = new Visitor(); | ||
| plan.getRoot().accept(visitor, null); | ||
| return visitor.getColumnsInPredicateSet(); | ||
| } | ||
|
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| private class Visitor | ||
| extends PlanVisitor<Void, Void> | ||
| { | ||
| private final Map<QualifiedObjectName, ColumnsInPredicate> columnsInPredicateMap = new HashMap<>(); | ||
|
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| public Set<ColumnsInPredicate> getColumnsInPredicateSet() | ||
| { | ||
| return columnsInPredicateMap.values().stream().collect(toImmutableSet()); | ||
| } | ||
|
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| @Override | ||
| public Void visitTableScan(TableScanNode node, Void context) | ||
| { | ||
| TableHandle tableHandle = node.getTable(); | ||
|
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| Set<Column> colsInDiscretePredicate = new HashSet<>(); | ||
| Set<Column> colsInRangePredicate = new HashSet<>(); | ||
| metadata.getTableProperties(session, tableHandle) | ||
| .getUnenforcedPredicates() | ||
| .flatMap(TupleDomain::getDomains) | ||
| .ifPresent(domains -> | ||
| domains.forEach(((columnHandle, domain) -> { | ||
| ValueSet valueSet = domain.getValues(); | ||
| if (!valueSet.isAll() && !valueSet.isNone()) { | ||
| ColumnMetadata columnMetadata = metadata.getColumnMetadata(session, tableHandle, columnHandle); | ||
| Column column = new Column(columnMetadata.getName(), columnMetadata.getType().toString()); | ||
| if (valueSet.isDiscreteSet()) { | ||
| colsInDiscretePredicate.add(column); | ||
| } | ||
| else { | ||
| colsInRangePredicate.add(column); | ||
| } | ||
| } | ||
| }))); | ||
|
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| // merge result from same source table | ||
| TableSchema tableSchema = metadata.getTableSchema(session, tableHandle); | ||
| QualifiedObjectName qualifiedTableName = tableSchema.getQualifiedName(); | ||
| ColumnsInPredicate previous = columnsInPredicateMap.get(qualifiedTableName); | ||
| if (previous != null) { | ||
| colsInDiscretePredicate.addAll(previous.getColsInDiscretePredicate()); | ||
| colsInRangePredicate.addAll(previous.getColsInRangePredicate()); | ||
| } | ||
|
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| // put into map even if this node has no unenforced predicates | ||
| // so that we can obtain all source tables from the result | ||
| columnsInPredicateMap.put( | ||
| qualifiedTableName, | ||
| new ColumnsInPredicate( | ||
| qualifiedTableName.getCatalogName(), | ||
| qualifiedTableName.getSchemaName(), | ||
| qualifiedTableName.getObjectName(), | ||
| colsInDiscretePredicate, | ||
| colsInRangePredicate)); | ||
| return null; | ||
| } | ||
|
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| @Override | ||
| protected Void visitPlan(PlanNode node, Void context) | ||
| { | ||
| for (PlanNode child : node.getSources()) { | ||
| child.accept(this, context); | ||
| } | ||
| return null; | ||
| } | ||
| } | ||
| } |
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