com.easy.query.core.proxy.SQLSelectAsExpression Maven / Gradle / Ivy

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package com.easy.query.core.proxy;

import com.easy.query.core.expression.builder.AsSelector;
import com.easy.query.core.expression.parser.core.available.TableAvailable;
import com.easy.query.core.proxy.core.EntitySQLContext;
import com.easy.query.core.proxy.impl.SQLSelectAs2Impl;
import com.easy.query.core.proxy.impl.SQLSelectAsImpl;
import com.easy.query.core.proxy.sql.Select;

import java.util.Collection;

/**
 * create time 2023/12/1 22:56
 * 文件说明
 *
 * @author xuejiaming
 */
public interface SQLSelectAsExpression extends SQLSelectExpression, SQLGroupByExpression {
    default SQLSelectAsExpression _concat(SQLSelectAsExpression... sqlSelectAses) {
        return _concat(true, sqlSelectAses);
    }

    default SQLSelectAsExpression _concat(boolean condition, SQLSelectAsExpression... sqlSelectAs) {
        if (condition) {

            SQLSelectAsExpression expression = Select.of(sqlSelectAs);

            return new SQLSelectAs2Impl(this,expression);
        }
        return SQLSelectAsExpression.empty;
    }

    default void accept(AsSelector s) {
        s.column(this.getTable(), this.getValue());
    }

    SQLSelectAsExpression empty = new SQLSelectAsImpl(s -> {
    }, s -> {
    }, s -> {
    });

    static SQLSelectAsExpression createDefault(EntitySQLContext entitySQLContext, TableAvailable table, String property) {
        return new SQLSelectAsImpl(x -> {
            x.column(table, property);
        }, x -> {
            x.column(table, property);
        }, x -> {
            x.column(table, property);
        }, entitySQLContext, table, property);
    }

    static  SQLSelectAsExpression createColumnExclude(SQLColumn column, Collection> ignoreColumns) {
        return new SQLSelectAsImpl(x -> {
            x.column(column.getTable(), column.getValue());
            for (SQLColumn ignoreColumn : ignoreColumns) {
                x.columnIgnore(ignoreColumn.getTable(), ignoreColumn.getValue());
            }
        }, x -> {
            x.column(column.getTable(), column.getValue());
            for (SQLColumn ignoreColumn : ignoreColumns) {
                x.columnIgnore(ignoreColumn.getTable(), ignoreColumn.getValue());
            }
        }, x -> {
            x.column(column.getTable(), column.getValue());
            for (SQLColumn ignoreColumn : ignoreColumns) {
                x.columnIgnore(ignoreColumn.getTable(), ignoreColumn.getValue());
            }
        });
    }
}