Search in sources :

Example 1 with CarbonTableIdentifier

use of org.apache.carbondata.core.carbon.CarbonTableIdentifier in project carbondata by apache.

the class FileFooterValidator method setUp.

@Before
public void setUp() throws Exception {
    if (setUpIsDone) {
        return;
    }
    CarbonHiveContext.sql("CREATE CUBE validatefooter DIMENSIONS (empno Integer, empname String," + " designation String," + " doj Timestamp, workgroupcategory Integer, workgroupcategoryname String, " + "deptno Integer, deptname String, projectcode Integer, projectjoindate Timestamp," + " projectenddate Timestamp) MEASURES (attendance Integer,utilization Integer," + "salary Integer) OPTIONS (PARTITIONER [PARTITION_COUNT=1])");
    CarbonHiveContext.sql("LOAD DATA fact from './src/test/resources/data.csv' INTO CUBE validatefooter " + "PARTITIONDATA(DELIMITER ',', QUOTECHAR '\"')");
    String storePath = CarbonProperties.getInstance().getProperty(CarbonCommonConstants.STORE_LOCATION);
    CarbonTableIdentifier tableIdentifier = new CarbonTableIdentifier(CarbonCommonConstants.DATABASE_DEFAULT_NAME, "validatefooter", "1");
    String segmentPath = CarbonStorePath.getCarbonTablePath(storePath, tableIdentifier).getCarbonDataDirectoryPath("0", "0");
    CarbonFile carbonFile = FileFactory.getCarbonFile(segmentPath, FileFactory.getFileType(segmentPath));
    CarbonFile[] list = carbonFile.listFiles(new CarbonFileFilter() {

        @Override
        public boolean accept(CarbonFile file) {
            if (file.getName().endsWith(CarbonCommonConstants.FACT_FILE_EXT)) {
                return true;
            }
            return false;
        }
    });
    for (CarbonFile file : list) {
        String fileLocation = file.getAbsolutePath();
        CarbonFile factFile = FileFactory.getCarbonFile(fileLocation, FileFactory.getFileType(fileLocation));
        long offset = factFile.getSize() - CarbonCommonConstants.LONG_SIZE_IN_BYTE;
        FileHolder fileHolder = FileFactory.getFileHolder(FileFactory.getFileType(fileLocation));
        offset = fileHolder.readLong(fileLocation, offset);
        CarbonFooterReader metaDataReader = new CarbonFooterReader(fileLocation, offset);
        fileFooter = metaDataReader.readFooter();
    }
    setUpIsDone = true;
}
Also used : CarbonFile(org.apache.carbondata.core.datastore.filesystem.CarbonFile) CarbonFileFilter(org.apache.carbondata.core.datastore.filesystem.CarbonFileFilter) CarbonTableIdentifier(org.apache.carbondata.core.carbon.CarbonTableIdentifier) FileHolder(org.apache.carbondata.core.datastorage.store.FileHolder) CarbonFooterReader(org.apache.carbondata.core.reader.CarbonFooterReader) Before(org.junit.Before)

Aggregations

CarbonTableIdentifier (org.apache.carbondata.core.carbon.CarbonTableIdentifier)1 FileHolder (org.apache.carbondata.core.datastorage.store.FileHolder)1 CarbonFile (org.apache.carbondata.core.datastore.filesystem.CarbonFile)1 CarbonFileFilter (org.apache.carbondata.core.datastore.filesystem.CarbonFileFilter)1 CarbonFooterReader (org.apache.carbondata.core.reader.CarbonFooterReader)1 Before (org.junit.Before)1