LogicalSchemaScan.java
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// to you under the Apache License, Version 2.0 (the
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//
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package org.apache.doris.nereids.trees.plans.logical;
import org.apache.doris.catalog.TableIf;
import org.apache.doris.nereids.memo.GroupExpression;
import org.apache.doris.nereids.properties.LogicalProperties;
import org.apache.doris.nereids.trees.plans.Plan;
import org.apache.doris.nereids.trees.plans.PlanType;
import org.apache.doris.nereids.trees.plans.RelationId;
import org.apache.doris.nereids.trees.plans.visitor.PlanVisitor;
import org.apache.doris.nereids.util.Utils;
import java.util.List;
import java.util.Objects;
import java.util.Optional;
/**
* LogicalSchemaScan.
*/
public class LogicalSchemaScan extends LogicalCatalogRelation {
private final boolean filterPushed;
private final Optional<String> schemaCatalog;
private final Optional<String> schemaDatabase;
private final Optional<String> schemaTable;
public LogicalSchemaScan(RelationId id, TableIf table, List<String> qualifier) {
super(id, PlanType.LOGICAL_SCHEMA_SCAN, table, qualifier);
this.filterPushed = false;
this.schemaCatalog = Optional.empty();
this.schemaDatabase = Optional.empty();
this.schemaTable = Optional.empty();
}
public LogicalSchemaScan(RelationId id, TableIf table, List<String> qualifier,
Optional<GroupExpression> groupExpression, Optional<LogicalProperties> logicalProperties,
boolean filterPushed, Optional<String> schemaCatalog, Optional<String> schemaDatabase,
Optional<String> schemaTable) {
super(id, PlanType.LOGICAL_SCHEMA_SCAN, table, qualifier, groupExpression, logicalProperties);
this.filterPushed = filterPushed;
this.schemaCatalog = schemaCatalog;
this.schemaDatabase = schemaDatabase;
this.schemaTable = schemaTable;
}
public boolean isFilterPushed() {
return filterPushed;
}
public Optional<String> getSchemaCatalog() {
return schemaCatalog;
}
public Optional<String> getSchemaDatabase() {
return schemaDatabase;
}
public Optional<String> getSchemaTable() {
return schemaTable;
}
@Override
public TableIf getTable() {
return table;
}
@Override
public <R, C> R accept(PlanVisitor<R, C> visitor, C context) {
return visitor.visitLogicalSchemaScan(this, context);
}
@Override
public Plan withGroupExpression(Optional<GroupExpression> groupExpression) {
return new LogicalSchemaScan(relationId, table, qualifier,
groupExpression, Optional.of(getLogicalProperties()), filterPushed,
schemaCatalog, schemaDatabase, schemaTable);
}
@Override
public Plan withGroupExprLogicalPropChildren(Optional<GroupExpression> groupExpression,
Optional<LogicalProperties> logicalProperties, List<Plan> children) {
return new LogicalSchemaScan(relationId, table, qualifier, groupExpression, logicalProperties, filterPushed,
schemaCatalog, schemaDatabase, schemaTable);
}
@Override
public LogicalSchemaScan withRelationId(RelationId relationId) {
return new LogicalSchemaScan(relationId, table, qualifier, Optional.empty(), Optional.empty(), filterPushed,
schemaCatalog, schemaDatabase, schemaTable);
}
public LogicalSchemaScan withSchemaIdentifier(Optional<String> schemaCatalog, Optional<String> schemaDatabase,
Optional<String> schemaTable) {
return new LogicalSchemaScan(relationId, table, qualifier, Optional.empty(),
Optional.of(getLogicalProperties()), true, schemaCatalog, schemaDatabase, schemaTable);
}
@Override
public String toString() {
return Utils.toSqlString("LogicalSchemaScan");
}
@Override
public boolean equals(Object o) {
if (this == o) {
return true;
}
if (o == null || getClass() != o.getClass()) {
return false;
}
if (!super.equals(o)) {
return false;
}
LogicalSchemaScan that = (LogicalSchemaScan) o;
return Objects.equals(schemaCatalog, that.schemaCatalog)
&& Objects.equals(schemaDatabase, that.schemaDatabase)
&& Objects.equals(schemaTable, that.schemaTable)
&& filterPushed == that.filterPushed;
}
@Override
public int hashCode() {
return Objects.hash(super.hashCode(), schemaCatalog, schemaDatabase, schemaTable, filterPushed);
}
}