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/*
 * Copyright (c) 2009-2016, Data Geekery GmbH (http://www.datageekery.com)
 * All rights reserved.
 *
 * 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.
 *
 * Other licenses:
 * -----------------------------------------------------------------------------
 * Commercial licenses for this work are available. These replace the above
 * ASL 2.0 and offer limited warranties, support, maintenance, and commercial
 * database integrations.
 *
 * For more information, please visit: http://www.jooq.org/licenses
 *
 *
 *
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 *
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 */
package org.jooq.impl;

import static org.jooq.Clause.TABLE;
import static org.jooq.JoinType.CROSS_APPLY;
import static org.jooq.JoinType.CROSS_JOIN;
import static org.jooq.JoinType.FULL_OUTER_JOIN;
import static org.jooq.JoinType.JOIN;
import static org.jooq.JoinType.LEFT_ANTI_JOIN;
import static org.jooq.JoinType.LEFT_OUTER_JOIN;
import static org.jooq.JoinType.LEFT_SEMI_JOIN;
import static org.jooq.JoinType.NATURAL_JOIN;
import static org.jooq.JoinType.NATURAL_LEFT_OUTER_JOIN;
import static org.jooq.JoinType.NATURAL_RIGHT_OUTER_JOIN;
import static org.jooq.JoinType.OUTER_APPLY;
import static org.jooq.JoinType.RIGHT_OUTER_JOIN;
import static org.jooq.JoinType.STRAIGHT_JOIN;
// ...
import static org.jooq.impl.DSL.table;
import static org.jooq.impl.DSL.val;
import static org.jooq.impl.Tools.EMPTY_FIELD;

import java.sql.Timestamp;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import java.util.function.BiFunction;
import java.util.function.Function;
import java.util.stream.Stream;

import org.jooq.Binding;
import org.jooq.Catalog;
import org.jooq.Clause;
import org.jooq.Comparator;
import org.jooq.Condition;
import org.jooq.Context;
import org.jooq.Converter;
import org.jooq.DataType;
import org.jooq.DivideByOnStep;
import org.jooq.Field;
import org.jooq.ForeignKey;
import org.jooq.Identity;
import org.jooq.JoinType;
// ...
import org.jooq.Name;
import org.jooq.PivotForStep;
import org.jooq.QueryPart;
import org.jooq.Record;
import org.jooq.RecordType;
import org.jooq.Row;
import org.jooq.SQL;
import org.jooq.Schema;
import org.jooq.Table;
import org.jooq.TableField;
import org.jooq.TableLike;
import org.jooq.TableOnStep;
import org.jooq.TableOptionalOnStep;
import org.jooq.TablePartitionByStep;
import org.jooq.UniqueKey;
// ...
// ...
import org.jooq.tools.StringUtils;

/**
 * @author Lukas Eder
 */
abstract class AbstractTable extends AbstractQueryPart implements Table {

    /**
     * Generated UID
     */
    private static final long     serialVersionUID = 3155496238969274871L;
    private static final Clause[] CLAUSES          = { TABLE };

    private final Schema          tableschema;
    private final String          tablename;
    private final String          tablecomment;
    private transient DataType type;

    AbstractTable(String name) {
        this(name, null, null);
    }

    AbstractTable(String name, Schema schema) {
        this(name, schema, null);
    }

    AbstractTable(String name, Schema schema, String comment) {
        super();

        this.tableschema = schema;
        this.tablename = name;
        this.tablecomment = comment;
    }

    // ------------------------------------------------------------------------
    // XXX: QueryPart API
    // ------------------------------------------------------------------------

    @Override
    public Clause[] clauses(Context ctx) {
        return CLAUSES;
    }

    // ------------------------------------------------------------------------
    // [#5518] Record method inversions, e.g. for use as method references
    // ------------------------------------------------------------------------

    @Override
    public final R from(Record record) {
        return record.into(this);
    }

    // ------------------------------------------------------------------------
    // XXX: TableLike API
    // ------------------------------------------------------------------------

    /**
     * Subclasses should override this method to provide the set of fields
     * contained in the concrete table implementation. For example, a
     * TableAlias contains aliased fields of its
     * AliasProvider table.
     */
    abstract Fields fields0();

    @Override
    public final DataType getDataType() {
        if (type == null) {
            type = new TableDataType(this);
        }

        return type;
    }

    @Override
    public final RecordType recordType() {
        return fields0();
    }

    @Override
    public final R newRecord() {
        return DSL.using(new DefaultConfiguration()).newRecord(this);
    }

    @SuppressWarnings({ "rawtypes" })
    @Override
    public final Row fieldsRow() {
        return new RowImpl(fields0());
    }


    @Override
    public final Stream> fieldStream() {
        return Stream.of(fields());
    }


    @Override
    public final  Field field(Field field) {
        return fieldsRow().field(field);
    }

    @Override
    public final Field field(String string) {
        return fieldsRow().field(string);
    }

    @Override
    public final  Field field(String name, Class type) {
        return fieldsRow().field(name, type);
    }

    @Override
    public final  Field field(String name, DataType dataType) {
        return fieldsRow().field(name, dataType);
    }

    @Override
    public final Field field(Name name) {
        return fieldsRow().field(name);
    }

    @Override
    public final  Field field(Name name, Class type) {
        return fieldsRow().field(name, type);
    }

    @Override
    public final  Field field(Name name, DataType dataType) {
        return fieldsRow().field(name, dataType);
    }

    @Override
    public final Field field(int index) {
        return fieldsRow().field(index);
    }

    @Override
    public final  Field field(int index, Class type) {
        return fieldsRow().field(index, type);
    }

    @Override
    public final  Field field(int index, DataType dataType) {
        return fieldsRow().field(index, dataType);
    }

    @Override
    public final Field[] fields() {
        return fieldsRow().fields();
    }

    @Override
    public final Field[] fields(Field... fields) {
        return fieldsRow().fields(fields);
    }

    @Override
    public final Field[] fields(String... fieldNames) {
        return fieldsRow().fields(fieldNames);
    }

    @Override
    public final Field[] fields(Name... fieldNames) {
        return fieldsRow().fields(fieldNames);
    }

    @Override
    public final Field[] fields(int... fieldIndexes) {
        return fieldsRow().fields(fieldIndexes);
    }

    @Override
    public final Table asTable() {
        return this;
    }

    @Override
    public final Table asTable(String alias) {
        return as(alias);
    }

    @Override
    public final Table asTable(String alias, String... fieldAliases) {
        return as(alias, fieldAliases);
    }


    @Override
    public final Table asTable(String alias, Function, ? extends String> aliasFunction) {
        return as(alias, aliasFunction);
    }

    @Override
    public final Table asTable(String alias, BiFunction, ? super Integer, ? extends String> aliasFunction) {
        return as(alias, aliasFunction);
    }

    @Override
    public final Table as(String alias, Function, ? extends String> aliasFunction) {
        return as(alias, Stream.of(fields()).map(aliasFunction).toArray(String[]::new));
    }

    @Override
    public final Table as(String alias, BiFunction, ? super Integer, ? extends String> aliasFunction) {
        Field[] fields = fields();
        String[] names = new String[fields.length];
        for (int i = 0; i < fields.length; i++)
            names[i] = aliasFunction.apply(fields[i], i);
        return as(alias, names);
    }


    // ------------------------------------------------------------------------
    // XXX: Table API
    // ------------------------------------------------------------------------

    @Override
    public final Catalog getCatalog() {
        return getSchema() == null ? null : getSchema().getCatalog();
    }

    @Override
    public /* non-final */ Schema getSchema() {
        return tableschema;
    }

    @Override
    public final String getName() {
        return tablename;
    }

    @Override
    public final String getComment() {
        return tablecomment;
    }

    /**
     * {@inheritDoc}
     * 

* Subclasses should override this method */ @Override public Identity getIdentity() { return null; } /** * {@inheritDoc} *

* Subclasses may override this method */ @Override public UniqueKey getPrimaryKey() { return null; } /** * {@inheritDoc} *

* Subclasses may override this method */ @Override public TableField getRecordVersion() { return null; } /** * {@inheritDoc} *

* Subclasses may override this method */ @Override public TableField getRecordTimestamp() { return null; } /** * {@inheritDoc} *

* Subclasses should override this method */ @Override public List> getKeys() { return Collections.emptyList(); } /** * {@inheritDoc} */ @Override public final List> getReferencesFrom(Table other) { return other.getReferencesTo(this); } /** * {@inheritDoc} *

* Subclasses should override this method */ @Override public List> getReferences() { return Collections.emptyList(); } /** * {@inheritDoc} */ @SuppressWarnings("unchecked") @Override public final List> getReferencesTo(Table other) { List> result = new ArrayList>(); for (ForeignKey reference : getReferences()) { if (other.equals(reference.getKey().getTable())) { result.add((ForeignKey) reference); } // TODO: Refactor the following two blocks and make things more OO // [#1460] In case the other table was aliased using else if (other instanceof TableImpl) { Table aliased = ((TableImpl) other).getAliasedTable(); if (aliased != null && aliased.equals(reference.getKey().getTable())) { result.add((ForeignKey) reference); } } // [#1460] In case the other table was aliased using else if (other instanceof TableAlias) { Table aliased = ((TableAlias) other).getAliasedTable(); if (aliased != null && aliased.equals(reference.getKey().getTable())) { result.add((ForeignKey) reference); } } } return Collections.unmodifiableList(result); } /** * Subclasses may call this method to create {@link TableField} objects that * are linked to this table. * * @param name The name of the field (case-sensitive!) * @param type The data type of the field */ protected static final TableField createField(String name, DataType type, Table table) { return createField(name, type, table, null, null, null); } /** * Subclasses may call this method to create {@link TableField} objects that * are linked to this table. * * @param name The name of the field (case-sensitive!) * @param type The data type of the field */ protected static final TableField createField(String name, DataType type, Table table, String comment) { return createField(name, type, table, comment, null, null); } /** * Subclasses may call this method to create {@link TableField} objects that * are linked to this table. * * @param name The name of the field (case-sensitive!) * @param type The data type of the field */ protected static final TableField createField(String name, DataType type, Table table, String comment, Converter converter) { return createField(name, type, table, comment, converter, null); } /** * Subclasses may call this method to create {@link TableField} objects that * are linked to this table. * * @param name The name of the field (case-sensitive!) * @param type The data type of the field */ protected static final TableField createField(String name, DataType type, Table table, String comment, Binding binding) { return createField(name, type, table, comment, null, binding); } /** * Subclasses may call this method to create {@link TableField} objects that * are linked to this table. * * @param name The name of the field (case-sensitive!) * @param type The data type of the field */ @SuppressWarnings("unchecked") protected static final TableField createField(String name, DataType type, Table table, String comment, Converter converter, Binding binding) { final Binding actualBinding = DefaultBinding.newBinding(converter, type, binding); final DataType actualType = converter == null && binding == null ? (DataType) type : type.asConvertedDataType(actualBinding); final TableFieldImpl tableField = new TableFieldImpl(name, actualType, table, comment, actualBinding); // [#1199] The public API of Table returns immutable field lists if (table instanceof TableImpl) { ((TableImpl) table).fields0().add(tableField); } return tableField; } /** * Subclasses may call this method to create {@link TableField} objects that * are linked to this table. * * @param name The name of the field (case-sensitive!) * @param type The data type of the field */ protected final TableField createField(String name, DataType type) { return createField(name, type, this, null, null, null); } /** * Subclasses may call this method to create {@link TableField} objects that * are linked to this table. * * @param name The name of the field (case-sensitive!) * @param type The data type of the field */ protected final TableField createField(String name, DataType type, String comment) { return createField(name, type, this, comment, null, null); } /** * Subclasses may call this method to create {@link TableField} objects that * are linked to this table. * * @param name The name of the field (case-sensitive!) * @param type The data type of the field */ protected final TableField createField(String name, DataType type, String comment, Converter converter) { return createField(name, type, this, comment, converter, null); } /** * Subclasses may call this method to create {@link TableField} objects that * are linked to this table. * * @param name The name of the field (case-sensitive!) * @param type The data type of the field */ protected final TableField createField(String name, DataType type, String comment, Binding binding) { return createField(name, type, this, comment, null, binding); } /** * Subclasses may call this method to create {@link TableField} objects that * are linked to this table. * * @param name The name of the field (case-sensitive!) * @param type The data type of the field */ protected final TableField createField(String name, DataType type, String comment, Converter converter, Binding binding) { return createField(name, type, this, comment, converter, binding); } // ------------------------------------------------------------------------ // XXX: Convenience methods and synthetic methods // ------------------------------------------------------------------------ @Override public final Condition eq(Table that) { return equal(that); } @Override public final Condition equal(Table that) { return new TableComparison(this, that, Comparator.EQUALS); } @Override public final Condition ne(Table that) { return notEqual(that); } @Override public final Condition notEqual(Table that) { return new TableComparison(this, that, Comparator.NOT_EQUALS); } // ------------------------------------------------------------------------ // XXX: Other API // ------------------------------------------------------------------------ @Override public final Table useIndex(String... indexes) { return new HintedTable(this, "use index", indexes); } @Override public final Table useIndexForJoin(String... indexes) { return new HintedTable(this, "use index for join", indexes); } @Override public final Table useIndexForOrderBy(String... indexes) { return new HintedTable(this, "use index for order by", indexes); } @Override public final Table useIndexForGroupBy(String... indexes) { return new HintedTable(this, "use index for group by", indexes); } @Override public final Table ignoreIndex(String... indexes) { return new HintedTable(this, "ignore index", indexes); } @Override public final Table ignoreIndexForJoin(String... indexes) { return new HintedTable(this, "ignore index for join", indexes); } @Override public final Table ignoreIndexForOrderBy(String... indexes) { return new HintedTable(this, "ignore index for order by", indexes); } @Override public final Table ignoreIndexForGroupBy(String... indexes) { return new HintedTable(this, "ignore index for group by", indexes); } @Override public final Table forceIndex(String... indexes) { return new HintedTable(this, "force index", indexes); } @Override public final Table forceIndexForJoin(String... indexes) { return new HintedTable(this, "force index for join", indexes); } @Override public final Table forceIndexForOrderBy(String... indexes) { return new HintedTable(this, "force index for order by", indexes); } @Override public final Table forceIndexForGroupBy(String... indexes) { return new HintedTable(this, "force index for group by", indexes); } // ------------------------------------------------------------------------ // XXX: aliasing API // ------------------------------------------------------------------------ @Override public final Table as(Table otherTable) { return as(otherTable.getName()); } @Override public final Table as(Table otherTable, Field... otherFields) { return as(otherTable.getName(), Tools.fieldNames(otherFields)); } @Override public final Table as(Table otherTable, Function, ? extends Field> aliasFunction) { return as(otherTable.getName(), f -> aliasFunction.apply(f).getName()); } @Override public final Table as(Table otherTable, BiFunction, ? super Integer, ? extends Field> aliasFunction) { return as(otherTable.getName(), (f, i) -> aliasFunction.apply(f, i).getName()); } // ------------------------------------------------------------------------ // XXX: DIVISION API // ------------------------------------------------------------------------ @Override public final DivideByOnStep divideBy(Table divisor) { return new DivideBy(this, divisor); } @SuppressWarnings({ "unchecked", "rawtypes" }) @Override public final TableOnStep leftSemiJoin(TableLike table) { return (TableOnStep) join(table, LEFT_SEMI_JOIN); } @SuppressWarnings({ "unchecked", "rawtypes" }) @Override public final TableOnStep leftAntiJoin(TableLike table) { return (TableOnStep) join(table, LEFT_ANTI_JOIN); } // ------------------------------------------------------------------------ // XXX: JOIN API // ------------------------------------------------------------------------ @Override public final TableOptionalOnStep join(TableLike table, JoinType type) { return new JoinTable(this, table, type); } @Override public final TableOnStep join(TableLike table) { return innerJoin(table); } @Override public final TableOnStep join(SQL sql) { return innerJoin(sql); } @Override public final TableOnStep join(String sql) { return innerJoin(sql); } @Override public final TableOnStep join(String sql, Object... bindings) { return innerJoin(sql, bindings); } @Override public final TableOnStep join(String sql, QueryPart... parts) { return innerJoin(sql, parts); } @Override public final TableOnStep join(Name name) { return innerJoin(table(name)); } @Override public final TableOnStep innerJoin(TableLike table) { return join(table, JOIN); } @Override public final TableOnStep innerJoin(SQL sql) { return innerJoin(table(sql)); } @Override public final TableOnStep innerJoin(String sql) { return innerJoin(table(sql)); } @Override public final TableOnStep innerJoin(String sql, Object... bindings) { return innerJoin(table(sql, bindings)); } @Override public final TableOnStep innerJoin(String sql, QueryPart... parts) { return innerJoin(table(sql, parts)); } @Override public final TableOnStep innerJoin(Name name) { return innerJoin(table(name)); } @Override public final TablePartitionByStep leftJoin(TableLike table) { return leftOuterJoin(table); } @Override public final TablePartitionByStep leftJoin(SQL sql) { return leftOuterJoin(sql); } @Override public final TablePartitionByStep leftJoin(String sql) { return leftOuterJoin(sql); } @Override public final TablePartitionByStep leftJoin(String sql, Object... bindings) { return leftOuterJoin(sql, bindings); } @Override public final TablePartitionByStep leftJoin(String sql, QueryPart... parts) { return leftOuterJoin(sql, parts); } @Override public final TablePartitionByStep leftJoin(Name name) { return leftOuterJoin(table(name)); } @Override public final TablePartitionByStep leftOuterJoin(TableLike table) { return join(table, LEFT_OUTER_JOIN); } @Override public final TablePartitionByStep leftOuterJoin(SQL sql) { return leftOuterJoin(table(sql)); } @Override public final TablePartitionByStep leftOuterJoin(String sql) { return leftOuterJoin(table(sql)); } @Override public final TablePartitionByStep leftOuterJoin(String sql, Object... bindings) { return leftOuterJoin(table(sql, bindings)); } @Override public final TablePartitionByStep leftOuterJoin(String sql, QueryPart... parts) { return leftOuterJoin(table(sql, parts)); } @Override public final TablePartitionByStep leftOuterJoin(Name name) { return leftOuterJoin(table(name)); } @Override public final TablePartitionByStep rightJoin(TableLike table) { return rightOuterJoin(table); } @Override public final TablePartitionByStep rightJoin(SQL sql) { return rightOuterJoin(sql); } @Override public final TablePartitionByStep rightJoin(String sql) { return rightOuterJoin(sql); } @Override public final TablePartitionByStep rightJoin(String sql, Object... bindings) { return rightOuterJoin(sql, bindings); } @Override public final TablePartitionByStep rightJoin(String sql, QueryPart... parts) { return rightOuterJoin(sql, parts); } @Override public final TablePartitionByStep rightJoin(Name name) { return rightOuterJoin(table(name)); } @Override public final TablePartitionByStep rightOuterJoin(TableLike table) { return join(table, RIGHT_OUTER_JOIN); } @Override public final TablePartitionByStep rightOuterJoin(SQL sql) { return rightOuterJoin(table(sql)); } @Override public final TablePartitionByStep rightOuterJoin(String sql) { return rightOuterJoin(table(sql)); } @Override public final TablePartitionByStep rightOuterJoin(String sql, Object... bindings) { return rightOuterJoin(table(sql, bindings)); } @Override public final TablePartitionByStep rightOuterJoin(String sql, QueryPart... parts) { return rightOuterJoin(table(sql, parts)); } @Override public final TablePartitionByStep rightOuterJoin(Name name) { return rightOuterJoin(table(name)); } @Override public final TableOnStep fullOuterJoin(TableLike table) { return join(table, FULL_OUTER_JOIN); } @Override public final TableOnStep fullOuterJoin(SQL sql) { return fullOuterJoin(table(sql)); } @Override public final TableOnStep fullOuterJoin(String sql) { return fullOuterJoin(table(sql)); } @Override public final TableOnStep fullOuterJoin(String sql, Object... bindings) { return fullOuterJoin(table(sql, bindings)); } @Override public final TableOnStep fullOuterJoin(String sql, QueryPart... parts) { return fullOuterJoin(table(sql, parts)); } @Override public final TableOnStep fullOuterJoin(Name name) { return fullOuterJoin(table(name)); } @Override public final Table crossJoin(TableLike table) { return join(table, CROSS_JOIN); } @Override public final Table crossJoin(SQL sql) { return crossJoin(table(sql)); } @Override public final Table crossJoin(String sql) { return crossJoin(table(sql)); } @Override public final Table crossJoin(String sql, Object... bindings) { return crossJoin(table(sql, bindings)); } @Override public final Table crossJoin(String sql, QueryPart... parts) { return crossJoin(table(sql, parts)); } @Override public final Table crossJoin(Name name) { return crossJoin(table(name)); } @Override public final Table naturalJoin(TableLike table) { return join(table, NATURAL_JOIN); } @Override public final Table naturalJoin(SQL sql) { return naturalJoin(table(sql)); } @Override public final Table naturalJoin(String sql) { return naturalJoin(table(sql)); } @Override public final Table naturalJoin(String sql, Object... bindings) { return naturalJoin(table(sql, bindings)); } @Override public final Table naturalJoin(String sql, QueryPart... parts) { return naturalJoin(table(sql, parts)); } @Override public final Table naturalJoin(Name name) { return naturalJoin(table(name)); } @Override public final Table naturalLeftOuterJoin(TableLike table) { return join(table, NATURAL_LEFT_OUTER_JOIN); } @Override public final Table naturalLeftOuterJoin(SQL sql) { return naturalLeftOuterJoin(table(sql)); } @Override public final Table naturalLeftOuterJoin(String sql) { return naturalLeftOuterJoin(table(sql)); } @Override public final Table naturalLeftOuterJoin(String sql, Object... bindings) { return naturalLeftOuterJoin(table(sql, bindings)); } @Override public final Table naturalLeftOuterJoin(String sql, QueryPart... parts) { return naturalLeftOuterJoin(table(sql, parts)); } @Override public final Table naturalLeftOuterJoin(Name name) { return naturalLeftOuterJoin(table(name)); } @Override public final Table naturalRightOuterJoin(TableLike table) { return join(table, NATURAL_RIGHT_OUTER_JOIN); } @Override public final Table naturalRightOuterJoin(SQL sql) { return naturalRightOuterJoin(table(sql)); } @Override public final Table naturalRightOuterJoin(String sql) { return naturalRightOuterJoin(table(sql)); } @Override public final Table naturalRightOuterJoin(String sql, Object... bindings) { return naturalRightOuterJoin(table(sql, bindings)); } @Override public final Table naturalRightOuterJoin(String sql, QueryPart... parts) { return naturalRightOuterJoin(table(sql, parts)); } @Override public final Table naturalRightOuterJoin(Name name) { return naturalRightOuterJoin(table(name)); } @Override public final Table crossApply(TableLike table) { return join(table, CROSS_APPLY); } @Override public final Table crossApply(SQL sql) { return crossApply(table(sql)); } @Override public final Table crossApply(String sql) { return crossApply(table(sql)); } @Override public final Table crossApply(String sql, Object... bindings) { return crossApply(table(sql, bindings)); } @Override public final Table crossApply(String sql, QueryPart... parts) { return crossApply(table(sql, parts)); } @Override public final Table crossApply(Name name) { return crossApply(table(name)); } @Override public final Table outerApply(TableLike table) { return join(table, OUTER_APPLY); } @Override public final Table outerApply(SQL sql) { return outerApply(table(sql)); } @Override public final Table outerApply(String sql) { return outerApply(table(sql)); } @Override public final Table outerApply(String sql, Object... bindings) { return outerApply(table(sql, bindings)); } @Override public final Table outerApply(String sql, QueryPart... parts) { return outerApply(table(sql, parts)); } @Override public final Table outerApply(Name name) { return outerApply(table(name)); } @Override public final TableOptionalOnStep straightJoin(TableLike table) { return join(table, STRAIGHT_JOIN); } @Override public final TableOptionalOnStep straightJoin(SQL sql) { return straightJoin(table(sql)); } @Override public final TableOptionalOnStep straightJoin(String sql) { return straightJoin(table(sql)); } @Override public final TableOptionalOnStep straightJoin(String sql, Object... bindings) { return straightJoin(table(sql, bindings)); } @Override public final TableOptionalOnStep straightJoin(String sql, QueryPart... parts) { return straightJoin(table(sql, parts)); } @Override public final TableOptionalOnStep straightJoin(Name name) { return straightJoin(table(name)); } // ------------------------------------------------------------------------ // XXX: Object API // ------------------------------------------------------------------------ @Override public boolean equals(Object that) { if (this == that) { return true; } // [#2144] Non-equality can be decided early, without executing the // rather expensive implementation of AbstractQueryPart.equals() if (that instanceof AbstractTable) { if (StringUtils.equals(tablename, (((AbstractTable) that).tablename))) { return super.equals(that); } return false; } return false; } @Override public int hashCode() { // [#1938] This is a much more efficient hashCode() implementation // compared to that of standard QueryParts return tablename.hashCode(); } }