PhysicalJdbcTableSink.java

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package org.apache.doris.nereids.trees.plans.physical;

import org.apache.doris.catalog.Column;
import org.apache.doris.datasource.jdbc.JdbcExternalDatabase;
import org.apache.doris.datasource.jdbc.JdbcExternalTable;
import org.apache.doris.nereids.memo.GroupExpression;
import org.apache.doris.nereids.properties.LogicalProperties;
import org.apache.doris.nereids.properties.PhysicalProperties;
import org.apache.doris.nereids.trees.expressions.NamedExpression;
import org.apache.doris.nereids.trees.plans.Plan;
import org.apache.doris.nereids.trees.plans.PlanType;
import org.apache.doris.nereids.trees.plans.visitor.PlanVisitor;
import org.apache.doris.statistics.Statistics;

import java.util.List;
import java.util.Optional;

/** physical jdbc sink */
public class PhysicalJdbcTableSink<CHILD_TYPE extends Plan> extends PhysicalBaseExternalTableSink<CHILD_TYPE> {

    /**
     * constructor
     */
    public PhysicalJdbcTableSink(JdbcExternalDatabase database,
                                 JdbcExternalTable targetTable,
                                 List<Column> cols,
                                 List<NamedExpression> outputExprs,
                                 Optional<GroupExpression> groupExpression,
                                 LogicalProperties logicalProperties,
                                 CHILD_TYPE child) {
        this(database, targetTable, cols, outputExprs, groupExpression, logicalProperties,
                PhysicalProperties.GATHER, null, child);
    }

    /**
     * constructor
     */
    public PhysicalJdbcTableSink(JdbcExternalDatabase database,
                                 JdbcExternalTable targetTable,
                                 List<Column> cols,
                                 List<NamedExpression> outputExprs,
                                 Optional<GroupExpression> groupExpression,
                                 LogicalProperties logicalProperties,
                                 PhysicalProperties physicalProperties,
                                 Statistics statistics,
                                 CHILD_TYPE child) {
        super(PlanType.PHYSICAL_JDBC_TABLE_SINK, database, targetTable, cols, outputExprs, groupExpression,
                logicalProperties, physicalProperties, statistics, child);
    }

    @Override
    public Plan withChildren(List<Plan> children) {
        return new PhysicalJdbcTableSink<>(
                (JdbcExternalDatabase) database, (JdbcExternalTable) targetTable,
                cols, outputExprs, groupExpression,
                getLogicalProperties(), physicalProperties, statistics, children.get(0));
    }

    @Override
    public <R, C> R accept(PlanVisitor<R, C> visitor, C context) {
        return visitor.visitPhysicalJdbcTableSink(this, context);
    }

    @Override
    public Plan withGroupExpression(Optional<GroupExpression> groupExpression) {
        return new PhysicalJdbcTableSink<>(
                (JdbcExternalDatabase) database, (JdbcExternalTable) targetTable, cols, outputExprs,
                groupExpression, getLogicalProperties(), child());
    }

    @Override
    public Plan withGroupExprLogicalPropChildren(Optional<GroupExpression> groupExpression,
            Optional<LogicalProperties> logicalProperties, List<Plan> children) {
        return new PhysicalJdbcTableSink<>(
                (JdbcExternalDatabase) database, (JdbcExternalTable) targetTable, cols, outputExprs,
                groupExpression, logicalProperties.get(), children.get(0));
    }

    @Override
    public PhysicalPlan withPhysicalPropertiesAndStats(PhysicalProperties physicalProperties, Statistics statistics) {
        return new PhysicalJdbcTableSink<>(
                (JdbcExternalDatabase) database, (JdbcExternalTable) targetTable, cols, outputExprs,
                groupExpression, getLogicalProperties(), physicalProperties, statistics, child());
    }

    @Override
    public PhysicalProperties getRequirePhysicalProperties() {
        // Since JDBC tables do not have partitioning, return a default physical property.
        // GATHER implies that all data is gathered to a single location, which is a common requirement for JDBC sinks.
        return PhysicalProperties.GATHER;
    }
}