LogicalJdbcTableSink.java

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

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.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.PropagateFuncDeps;
import org.apache.doris.nereids.trees.plans.algebra.Sink;
import org.apache.doris.nereids.trees.plans.commands.info.DMLCommandType;
import org.apache.doris.nereids.trees.plans.visitor.PlanVisitor;
import org.apache.doris.nereids.util.Utils;

import com.google.common.base.Preconditions;
import com.google.common.collect.ImmutableList;

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

/**
 * logical jdbc table sink for insert command
 */
public class LogicalJdbcTableSink<CHILD_TYPE extends Plan> extends LogicalTableSink<CHILD_TYPE>
        implements Sink, PropagateFuncDeps {
    // bound data sink
    private final JdbcExternalDatabase database;
    private final JdbcExternalTable targetTable;
    private final DMLCommandType dmlCommandType;

    /**
     * constructor
     */
    public LogicalJdbcTableSink(JdbcExternalDatabase database,
                                JdbcExternalTable targetTable,
                                List<Column> cols,
                                List<NamedExpression> outputExprs,
                                DMLCommandType dmlCommandType,
                                Optional<GroupExpression> groupExpression,
                                Optional<LogicalProperties> logicalProperties,
                                CHILD_TYPE child) {
        super(PlanType.LOGICAL_JDBC_TABLE_SINK, outputExprs, groupExpression, logicalProperties, cols, child);
        this.database = Objects.requireNonNull(database, "database != null in LogicalJdbcTableSink");
        this.targetTable = Objects.requireNonNull(targetTable, "targetTable != null in LogicalJdbcTableSink");
        this.dmlCommandType = dmlCommandType;
    }

    public Plan withChildAndUpdateOutput(Plan child) {
        List<NamedExpression> output = child.getOutput().stream()
                .map(NamedExpression.class::cast)
                .collect(ImmutableList.toImmutableList());
        return new LogicalJdbcTableSink<>(database, targetTable, cols, output,
                dmlCommandType, Optional.empty(), Optional.empty(), child);
    }

    @Override
    public Plan withChildren(List<Plan> children) {
        Preconditions.checkArgument(children.size() == 1, "LogicalJdbcTableSink only accepts one child");
        return new LogicalJdbcTableSink<>(database, targetTable, cols, outputExprs,
                dmlCommandType, Optional.empty(), Optional.empty(), children.get(0));
    }

    @Override
    public LogicalSink<CHILD_TYPE> withOutputExprs(List<NamedExpression> outputExprs) {
        return new LogicalJdbcTableSink<>(database, targetTable, cols, outputExprs,
                dmlCommandType, Optional.empty(), Optional.empty(), child());
    }

    public JdbcExternalDatabase getDatabase() {
        return database;
    }

    public JdbcExternalTable getTargetTable() {
        return targetTable;
    }

    public DMLCommandType getDmlCommandType() {
        return dmlCommandType;
    }

    @Override
    public boolean equals(Object o) {
        if (this == o) {
            return true;
        }
        if (!(o instanceof LogicalJdbcTableSink)) {
            return false;
        }
        if (!super.equals(o)) {
            return false;
        }
        LogicalJdbcTableSink<?> that = (LogicalJdbcTableSink<?>) o;
        return dmlCommandType == that.dmlCommandType
                && Objects.equals(database, that.database)
                && Objects.equals(targetTable, that.targetTable) && Objects.equals(cols, that.cols);
    }

    @Override
    public int hashCode() {
        return Objects.hash(super.hashCode(), database, targetTable, dmlCommandType);
    }

    @Override
    public String toString() {
        return Utils.toSqlString("LogicalJdbcTableSink[" + id.asInt() + "]",
                "outputExprs", outputExprs,
                "database", database.getFullName(),
                "targetTable", targetTable.getName(),
                "cols", cols,
                "dmlCommandType", dmlCommandType
        );
    }

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

    @Override
    public Plan withGroupExpression(Optional<GroupExpression> groupExpression) {
        return new LogicalJdbcTableSink<>(database, targetTable, cols, outputExprs,
                dmlCommandType, groupExpression, Optional.of(getLogicalProperties()), child());
    }

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