use of org.apache.hadoop.hive.metastore.api.ColumnStatisticsData in project hive by apache.
the class TestHBaseAggregateStatsExtrapolation method noPartitionsHaveBitVectorStatus.
@Test
public void noPartitionsHaveBitVectorStatus() throws Exception {
String dbName = "default";
String tableName = "snp";
long now = System.currentTimeMillis();
List<FieldSchema> cols = new ArrayList<>();
cols.add(new FieldSchema("col2", "long", "nocomment"));
SerDeInfo serde = new SerDeInfo("serde", "seriallib", null);
StorageDescriptor sd = new StorageDescriptor(cols, "file:/tmp", "input", "output", false, 0, serde, null, null, Collections.<String, String>emptyMap());
List<FieldSchema> partCols = new ArrayList<>();
partCols.add(new FieldSchema("ds", "string", ""));
Table table = new Table(tableName, dbName, "me", (int) now, (int) now, 0, sd, partCols, Collections.<String, String>emptyMap(), null, null, null);
store.createTable(table);
List<List<String>> partVals = new ArrayList<>();
for (int i = 0; i < 10; i++) {
List<String> partVal = Arrays.asList("" + i);
partVals.add(partVal);
StorageDescriptor psd = new StorageDescriptor(sd);
psd.setLocation("file:/tmp/default/hit/ds=" + partVal);
Partition part = new Partition(partVal, dbName, tableName, (int) now, (int) now, psd, Collections.<String, String>emptyMap());
store.addPartition(part);
ColumnStatistics cs = new ColumnStatistics();
ColumnStatisticsDesc desc = new ColumnStatisticsDesc(false, dbName, tableName);
desc.setLastAnalyzed(now);
desc.setPartName("ds=" + partVal);
cs.setStatsDesc(desc);
ColumnStatisticsObj obj = new ColumnStatisticsObj();
obj.setColName("col2");
obj.setColType("long");
ColumnStatisticsData data = new ColumnStatisticsData();
LongColumnStatsData dcsd = new LongColumnStatsData();
dcsd.setHighValue(1000 + i);
dcsd.setLowValue(-1000 - i);
dcsd.setNumNulls(i);
dcsd.setNumDVs(10 * i);
data.setLongStats(dcsd);
obj.setStatsData(data);
cs.addToStatsObj(obj);
store.updatePartitionColumnStatistics(cs, partVal);
}
Checker statChecker = new Checker() {
@Override
public void checkStats(AggrStats aggrStats) throws Exception {
Assert.assertEquals(10, aggrStats.getPartsFound());
Assert.assertEquals(1, aggrStats.getColStatsSize());
ColumnStatisticsObj cso = aggrStats.getColStats().get(0);
Assert.assertEquals("col2", cso.getColName());
Assert.assertEquals("long", cso.getColType());
LongColumnStatsData lcsd = cso.getStatsData().getLongStats();
Assert.assertEquals(1009, lcsd.getHighValue(), 0.01);
Assert.assertEquals(-1009, lcsd.getLowValue(), 0.01);
Assert.assertEquals(45, lcsd.getNumNulls());
Assert.assertEquals(90, lcsd.getNumDVs());
}
};
List<String> partNames = new ArrayList<>();
for (int i = 0; i < 10; i++) {
partNames.add("ds=" + i);
}
AggrStats aggrStats = store.get_aggr_stats_for(dbName, tableName, partNames, Arrays.asList("col2"));
statChecker.checkStats(aggrStats);
}
use of org.apache.hadoop.hive.metastore.api.ColumnStatisticsData in project hive by apache.
the class TestHBaseStore method mockBinaryStats.
private static ColumnStatisticsObj mockBinaryStats(int i) {
;
long maxLen = 123412987L + 10 * i;
double avgLen = 76.98 + i;
long nulls = 976998797L + 10 * i;
ColumnStatisticsObj colStatsObj = new ColumnStatisticsObj();
colStatsObj.setColName(BINARY_COL);
colStatsObj.setColType(BINARY_TYPE);
ColumnStatisticsData data = new ColumnStatisticsData();
BinaryColumnStatsData binaryData = new BinaryColumnStatsData();
binaryData.setMaxColLen(maxLen);
binaryData.setAvgColLen(avgLen);
binaryData.setNumNulls(nulls);
data.setBinaryStats(binaryData);
colStatsObj.setStatsData(data);
return colStatsObj;
}
use of org.apache.hadoop.hive.metastore.api.ColumnStatisticsData in project hive by apache.
the class TestHBaseStore method doublePartitionStatistics.
@Test
public void doublePartitionStatistics() throws Exception {
createMockTableAndPartition(DOUBLE_TYPE, DOUBLE_VAL);
// Add partition stats for: DOUBLE_COL and partition: {PART_KEY, DOUBLE_VAL} to DB
// Because of the way our mock implementation works we actually need to not create the table
// before we set statistics on it.
ColumnStatistics stats = new ColumnStatistics();
// Get a default ColumnStatisticsDesc for partition level stats
ColumnStatisticsDesc desc = getMockPartColStatsDesc(PART_KEY, DOUBLE_VAL);
stats.setStatsDesc(desc);
// Get one of the pre-created ColumnStatisticsObj
ColumnStatisticsObj obj = doubleColStatsObjs.get(0);
DoubleColumnStatsData doubleData = obj.getStatsData().getDoubleStats();
// Add to DB
stats.addToStatsObj(obj);
List<String> parVals = new ArrayList<String>();
parVals.add(DOUBLE_VAL);
store.updatePartitionColumnStatistics(stats, parVals);
// Get from DB
List<String> partNames = new ArrayList<String>();
partNames.add(desc.getPartName());
List<String> colNames = new ArrayList<String>();
colNames.add(obj.getColName());
List<ColumnStatistics> statsFromDB = store.getPartitionColumnStatistics(DB, TBL, partNames, colNames);
// Compare ColumnStatisticsDesc
Assert.assertEquals(1, statsFromDB.size());
Assert.assertEquals(desc.getLastAnalyzed(), statsFromDB.get(0).getStatsDesc().getLastAnalyzed());
Assert.assertEquals(DB, statsFromDB.get(0).getStatsDesc().getDbName());
Assert.assertEquals(TBL, statsFromDB.get(0).getStatsDesc().getTableName());
Assert.assertFalse(statsFromDB.get(0).getStatsDesc().isIsTblLevel());
// Compare ColumnStatisticsObj
Assert.assertEquals(1, statsFromDB.get(0).getStatsObjSize());
ColumnStatisticsObj objFromDB = statsFromDB.get(0).getStatsObj().get(0);
ColumnStatisticsData dataFromDB = objFromDB.getStatsData();
// Compare ColumnStatisticsData
Assert.assertEquals(ColumnStatisticsData._Fields.DOUBLE_STATS, dataFromDB.getSetField());
// Compare DoubleColumnStatsData
DoubleColumnStatsData doubleDataFromDB = dataFromDB.getDoubleStats();
Assert.assertEquals(doubleData.getHighValue(), doubleDataFromDB.getHighValue(), 0.01);
Assert.assertEquals(doubleData.getLowValue(), doubleDataFromDB.getLowValue(), 0.01);
Assert.assertEquals(doubleData.getNumNulls(), doubleDataFromDB.getNumNulls());
Assert.assertEquals(doubleData.getNumDVs(), doubleDataFromDB.getNumDVs());
}
use of org.apache.hadoop.hive.metastore.api.ColumnStatisticsData in project hive by apache.
the class TestHBaseStore method mockDoubleStats.
private static ColumnStatisticsObj mockDoubleStats(int i) {
double high = 123423.23423 + 100 * i;
double low = 0.00001234233 - 50 * i;
long nulls = 92 + i;
long dVs = 1234123421L + 10 * i;
ColumnStatisticsObj colStatsObj = new ColumnStatisticsObj();
colStatsObj.setColName(DOUBLE_COL);
colStatsObj.setColType(DOUBLE_TYPE);
ColumnStatisticsData data = new ColumnStatisticsData();
DoubleColumnStatsData doubleData = new DoubleColumnStatsData();
doubleData.setHighValue(high);
doubleData.setLowValue(low);
doubleData.setNumNulls(nulls);
doubleData.setNumDVs(dVs);
data.setDoubleStats(doubleData);
colStatsObj.setStatsData(data);
return colStatsObj;
}
use of org.apache.hadoop.hive.metastore.api.ColumnStatisticsData in project hive by apache.
the class TestHBaseStore method stringTableStatistics.
@Test
public void stringTableStatistics() throws Exception {
createMockTable(STRING_TYPE);
// Add a string table stats for STRING_COL to DB
// Because of the way our mock implementation works we actually need to not create the table
// before we set statistics on it.
ColumnStatistics stats = new ColumnStatistics();
// Get a default ColumnStatisticsDesc for table level stats
ColumnStatisticsDesc desc = getMockTblColStatsDesc();
stats.setStatsDesc(desc);
// Get one of the pre-created ColumnStatisticsObj
ColumnStatisticsObj obj = stringColStatsObjs.get(0);
StringColumnStatsData stringData = obj.getStatsData().getStringStats();
// Add to DB
stats.addToStatsObj(obj);
store.updateTableColumnStatistics(stats);
// Get from DB
ColumnStatistics statsFromDB = store.getTableColumnStatistics(DB, TBL, Arrays.asList(STRING_COL));
// Compare ColumnStatisticsDesc
Assert.assertEquals(desc.getLastAnalyzed(), statsFromDB.getStatsDesc().getLastAnalyzed());
Assert.assertEquals(DB, statsFromDB.getStatsDesc().getDbName());
Assert.assertEquals(TBL, statsFromDB.getStatsDesc().getTableName());
Assert.assertTrue(statsFromDB.getStatsDesc().isIsTblLevel());
// Compare ColumnStatisticsObj
Assert.assertEquals(1, statsFromDB.getStatsObjSize());
ColumnStatisticsObj objFromDB = statsFromDB.getStatsObj().get(0);
ColumnStatisticsData dataFromDB = objFromDB.getStatsData();
// Compare ColumnStatisticsData
Assert.assertEquals(ColumnStatisticsData._Fields.STRING_STATS, dataFromDB.getSetField());
// Compare StringColumnStatsData
StringColumnStatsData stringDataFromDB = dataFromDB.getStringStats();
Assert.assertEquals(stringData.getMaxColLen(), stringDataFromDB.getMaxColLen());
Assert.assertEquals(stringData.getAvgColLen(), stringDataFromDB.getAvgColLen(), 0.01);
Assert.assertEquals(stringData.getNumNulls(), stringDataFromDB.getNumNulls());
Assert.assertEquals(stringData.getNumDVs(), stringDataFromDB.getNumDVs());
}
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