Examples with VisualTableHandler io.mycat.prototypeserver.mysql.VisualTableHandler used on opensource projects

Example 1 with VisualTableHandler

use of io.mycat.prototypeserver.mysql.VisualTableHandler in project Mycat2 by MyCATApache.

the class ComplierContext method getTableObservable.

public Observable<Object[]> getTableObservable(String schemaName, String tableName) {
    MetadataManager metadataManager = MetaClusterCurrent.wrapper(MetadataManager.class);
    TableHandler tableHandler = metadataManager.getTable(schemaName, tableName);
    VisualTableHandler visualTableHandler = (VisualTableHandler) tableHandler;
    return visualTableHandler.scanAll();
}

Example 2 with VisualTableHandler

use of io.mycat.prototypeserver.mysql.VisualTableHandler in project Mycat2 by MyCATApache.

the class VisualTablePlanImpl method execute.

@Override
public Observable<VectorSchemaRoot> execute(RootContext rootContext) {
    RelOptTable table = relNode.getRelNode().getTable();
    MycatLogicTable logicTable = table.unwrap(MycatLogicTable.class);
    TableHandler tableHandler = logicTable.getTable();
    VisualTableHandler visualTableHandler = (VisualTableHandler) tableHandler;
    MetadataManager metadataManager = MetaClusterCurrent.wrapper(MetadataManager.class);
    MycatRelDataType mycatRelDataTypeByCalcite = relNode.getMycatRelDataTypeByCalcite();
    Schema schema = toArrowSchema(mycatRelDataTypeByCalcite);
    return ValuesPlan.create(schema, MycatRxJavaUtl.blockingIterable(visualTableHandler.scanAll())).execute(rootContext);
}

Example 3 with VisualTableHandler

use of io.mycat.prototypeserver.mysql.VisualTableHandler in project Mycat2 by MyCATApache.

the class AsyncMycatDataContextImpl method getTableObservable.

@Override
public Observable<Object[]> getTableObservable(String schemaName, String tableName) {
    MetadataManager metadataManager = MetaClusterCurrent.wrapper(MetadataManager.class);
    TableHandler tableHandler = metadataManager.getTable(schemaName, tableName);
    VisualTableHandler visualTableHandler = (VisualTableHandler) tableHandler;
    return visualTableHandler.scanAll();
}