Examples with PartitionSpec com.sap.hadoop.windowing.query2.specification.PartitionSpec used on opensource projects

Example 1 with PartitionSpec

use of com.sap.hadoop.windowing.query2.specification.PartitionSpec in project SQLWindowing by hbutani.

the class WindowSpecTranslation method translatePartition.

static PartitionDef translatePartition(QueryDef qDef, InputInfo iInfo, PartitionSpec spec) throws WindowingException {
    if (spec == null || spec.getColumns() == null || spec.getColumns().size() == 0)
        return null;
    PartitionDef pDef = new PartitionDef(spec);
    for (ColumnSpec colSpec : spec.getColumns()) {
        ColumnDef cDef = translatePartitionColumn(qDef, iInfo, colSpec);
        pDef.addColumn(cDef);
    }
    return pDef;
}

Example 2 with PartitionSpec

use of com.sap.hadoop.windowing.query2.specification.PartitionSpec in project SQLWindowing by hbutani.

the class WindowSpecTranslation method translateWindowSpecOnInput.

/*
	 * <ol>
	 * <li> If wSpec points to a source WindowSpec. Validate that it is valid. If it hasn't been already translated then translate it.
	 * <li> Start with an empty WdwDef or a cloned WdwDef from the source WdwDef.
	 * <li> translate the PartitionSpec if it exists. Replace the existing PDef with this; also remove the OrderDef.
	 * <li> translate the OrderSpec if it exists. Replace existing OrderDef with this.
	 * <li> add in Partition Columns if not in OrderDef already.
	 * <li> translate the WindowSpec if it exists. Replace existing WdwDef with it.
	 * <li> If name is non-null add this def to TranslationInfo::nameToWdwDef map.
	 * </ol>
	 */
static WindowDef translateWindowSpecOnInput(QueryDef qDef, WindowSpec wSpec, InputInfo iInfo, String inputDesc) throws WindowingException {
    QuerySpec qSpec = qDef.getSpec();
    WindowDef wDef;
    fillInWindowSpec(qSpec, wSpec.getSourceId(), wSpec);
    wDef = new WindowDef(wSpec);
    PartitionSpec pSpec = wSpec.getPartition();
    OrderSpec oSpec = wSpec.getOrder();
    WindowFrameSpec wFrameSpec = wSpec.getWindow();
    PartitionDef pDef = translatePartition(qDef, iInfo, pSpec);
    OrderDef oDef = translateOrder(qDef, inputDesc, iInfo, oSpec, pDef);
    WindowFrameDef wdwDef = translateWindowFrame(qDef, wFrameSpec, iInfo);
    wDef.setPartDef(pDef);
    wDef.setOrderDef(oDef);
    wDef.setWindow(wdwDef);
    return wDef;
}