Examples with MySQLColumnDef io.mycat.api.collector.MySQLColumnDef used on opensource projects

Example 1 with MySQLColumnDef

use of io.mycat.api.collector.MySQLColumnDef in project Mycat2 by MyCATApache.

the class PrepareExecutor method getMysqlPayloadObjectObservable.

@NotNull
public static Observable<MysqlPayloadObject> getMysqlPayloadObjectObservable(ArrayBindable bindable, AsyncMycatDataContextImpl newMycatDataContext, MycatRowMetaData rowMetaData) {
    Observable<MysqlPayloadObject> rowObservable = Observable.<MysqlPayloadObject>create(emitter -> {
        emitter.onNext(new MySQLColumnDef(rowMetaData));
        try {
            Object bindObservable;
            bindObservable = bindable.bindObservable(newMycatDataContext);
            Observable<Object[]> observable;
            if (bindObservable instanceof Observable) {
                observable = (Observable) bindObservable;
            } else {
                Enumerable<Object[]> enumerable = (Enumerable) bindObservable;
                observable = toObservable(newMycatDataContext, enumerable);
            }
            observable.subscribe(objects -> emitter.onNext(new MysqlObjectArrayRow(objects)), throwable -> {
                newMycatDataContext.endFuture().onComplete(event -> emitter.onError(throwable));
            }, () -> {
                CompositeFuture compositeFuture = newMycatDataContext.endFuture();
                compositeFuture.onSuccess(event -> emitter.onComplete());
                compositeFuture.onFailure(event -> emitter.onError(event));
            });
        } catch (Throwable throwable) {
            CompositeFuture compositeFuture = newMycatDataContext.endFuture();
            compositeFuture.onComplete(event -> emitter.onError(throwable));
        }
    });
    return rowObservable;
}

Example 2 with MySQLColumnDef

use of io.mycat.api.collector.MySQLColumnDef in project Mycat2 by MyCATApache.

the class VertxExecuter method runQueryOutputAsMysqlPayloadObject.

public static Observable<MysqlPayloadObject> runQueryOutputAsMysqlPayloadObject(Future<NewMycatConnection> connectionFuture, String sql, List<Object> values) {
    return Observable.create(emitter -> {
        // 连接到达
        connectionFuture.onSuccess(connection -> {
            // 预编译到达
            connection.prepareQuery(sql, values, new MysqlCollector() {

                MycatRowMetaData mycatRowMetaData;

                @Override
                public void onColumnDef(MycatRowMetaData mycatRowMetaData) {
                    emitter.onNext(new MySQLColumnDef(this.mycatRowMetaData = mycatRowMetaData));
                }

                @Override
                public void onRow(Object[] row) {
                    emitter.onNext(new MysqlObjectArrayRow(BaseRowObservable.getObjects(row, this.mycatRowMetaData)));
                }

                @Override
                public void onComplete() {
                    emitter.onComplete();
                }

                @Override
                public void onError(Throwable e) {
                    emitter.onError(e);
                }
            });
        });
        connectionFuture.onFailure(i -> emitter.onError(i));
    });
}

Example 3 with MySQLColumnDef

use of io.mycat.api.collector.MySQLColumnDef in project Mycat2 by MyCATApache.

the class EmitterMysqlPayloadCollector method onColumnDefinitions.

@Override
public void onColumnDefinitions(MySQLRowDesc columnDefinitions) {
    if (this.rowMetaData == null) {
        this.rowMetaData = BaseRowObservable.toColumnMetaData(columnDefinitions.columnDescriptor());
    }
    if (this.outputColumnDef) {
        MysqlPayloadObject packet = new MySQLColumnDef(this.rowMetaData);
        emitter.onNext(packet);
    }
}