/*
 * 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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 */
package org.jooq.impl;

import static org.jooq.impl.DSL.inline;
import static org.jooq.impl.Names.N_LEFT;

import org.jooq.Context;
import org.jooq.Field;

Author:
Lukas Eder/**
 * @author Lukas Eder
 */
final class Left extends AbstractField<String> {

    
Generated UID
/**
     * Generated UID
     */
    private static final long       serialVersionUID = 2200760781944082146L;

    private Field<String>           field;
    private Field<? extends Number> length;

    Left(Field<String> field, Field<? extends Number> length) {
        super(N_LEFT, field.getDataType());

        this.field = field;
        this.length = length;
    }

    @Override
    public final void accept(Context<?> ctx) {
        switch (ctx.family()) {



            case DERBY:
            case SQLITE:
                ctx.visit(DSL.substring(field, inline(1), length));
                break;












            case CUBRID:
            case FIREBIRD:
            case H2:
            case HSQLDB:
            case MARIADB:
            case MYSQL:
            case POSTGRES:
            default:
                ctx.visit(N_LEFT).sql('(').visit(field).sql(", ").visit(length).sql(')');
                break;
        }
    }
}