Java Code Examples for org.apache.kylin.cube.model.RowKeyColDesc#getColumn()

The following examples show how to use org.apache.kylin.cube.model.RowKeyColDesc#getColumn() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example 1

Source File: RowKeyAttrRule.java From kylin-on-parquet-v2 with Apache License 2.0

6 votes

@Override
public void validate(CubeDesc cube, ValidateContext context) {
    RowKeyDesc row = cube.getRowkey();
    if (row == null) {
        context.addResult(ResultLevel.ERROR, "Rowkey does not exist");
        return;
    }

    RowKeyColDesc[] rcd = row.getRowKeyColumns();
    if (rcd == null || rcd.length == 0) {
        context.addResult(ResultLevel.ERROR, "Rowkey columns do not exist");
        return;
    }

    for (int i = 0; i < rcd.length; i++) {
        RowKeyColDesc rd = rcd[i];
        if (rd.getColumn() == null || rd.getColumn().length() == 0) {
            context.addResult(ResultLevel.ERROR, "Rowkey column empty");
        }

    }

}

Example 2

Source File: RowKeyAttrRule.java From kylin with Apache License 2.0

6 votes

@Override
public void validate(CubeDesc cube, ValidateContext context) {
    RowKeyDesc row = cube.getRowkey();
    if (row == null) {
        context.addResult(ResultLevel.ERROR, "Rowkey does not exist");
        return;
    }

    RowKeyColDesc[] rcd = row.getRowKeyColumns();
    if (rcd == null || rcd.length == 0) {
        context.addResult(ResultLevel.ERROR, "Rowkey columns do not exist");
        return;
    }

    for (int i = 0; i < rcd.length; i++) {
        RowKeyColDesc rd = rcd[i];
        if (rd.getColumn() == null || rd.getColumn().length() == 0) {
            context.addResult(ResultLevel.ERROR, "Rowkey column empty");
        }

    }

}

Example 3

Source File: CubeSizeEstimationCLI.java From Kylin with Apache License 2.0

5 votes

private static int[] estimateRowKeyColSpace(RowKeyDesc rowKeyDesc, long[] cardinality) {
    RowKeyColDesc[] rowKeyColDescs = rowKeyDesc.getRowKeyColumns();
    int[] ret = new int[rowKeyColDescs.length];
    for (int i = 0; i < rowKeyColDescs.length; ++i) {
        RowKeyColDesc rowKeyColDesc = rowKeyColDescs[rowKeyColDescs.length - 1 - i];
        if (rowKeyColDesc.getDictionary() == null) {
            if (rowKeyColDesc.getLength() == 0)
                throw new IllegalStateException("The non-dictionary col " + rowKeyColDesc.getColumn() + " has length of 0");
            ret[i] = rowKeyColDesc.getLength();
        } else {
            ret[i] = estimateDictionaryColSpace(cardinality[i]);
        }
    }
    return ret;
}