本文整理汇总了Java中org.apache.cassandra.cql3.UntypedResultSet.iterator方法的典型用法代码示例。如果您正苦于以下问题：Java UntypedResultSet.iterator方法的具体用法？Java UntypedResultSet.iterator怎么用？Java UntypedResultSet.iterator使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类org.apache.cassandra.cql3.UntypedResultSet的用法示例。
在下文中一共展示了UntypedResultSet.iterator方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: testValidationCompactStorage
import org.apache.cassandra.cql3.UntypedResultSet; //导入方法依赖的package包/类
/**
* For CASSANDRA-6892 too, check that for a compact table with one cluster column, we can insert whatever
* we want as value for the clustering column, including something that would conflict with a CQL column definition.
*/
@Test
public void testValidationCompactStorage() throws Exception
{
QueryProcessor.process("CREATE TABLE \"Keyspace1\".test_compact_dynamic_columns (a int, b text, c text, PRIMARY KEY (a, b)) WITH COMPACT STORAGE", ConsistencyLevel.ONE);
Keyspace keyspace = Keyspace.open("Keyspace1");
ColumnFamilyStore cfs = keyspace.getColumnFamilyStore("test_compact_dynamic_columns");
QueryProcessor.executeInternal("INSERT INTO \"Keyspace1\".test_compact_dynamic_columns (a, b, c) VALUES (0, 'a', 'foo')");
QueryProcessor.executeInternal("INSERT INTO \"Keyspace1\".test_compact_dynamic_columns (a, b, c) VALUES (0, 'b', 'bar')");
QueryProcessor.executeInternal("INSERT INTO \"Keyspace1\".test_compact_dynamic_columns (a, b, c) VALUES (0, 'c', 'boo')");
cfs.forceBlockingFlush();
CompactionManager.instance.performScrub(cfs, true);
// Scrub is silent, but it will remove broken records. So reading everything back to make sure nothing to "scrubbed away"
UntypedResultSet rs = QueryProcessor.executeInternal("SELECT * FROM \"Keyspace1\".test_compact_dynamic_columns");
assertEquals(3, rs.size());
Iterator<UntypedResultSet.Row> iter = rs.iterator();
assertEquals("foo", iter.next().getString("c"));
assertEquals("bar", iter.next().getString("c"));
assertEquals("boo", iter.next().getString("c"));
}
示例2: testValidationCompactStorage
import org.apache.cassandra.cql3.UntypedResultSet; //导入方法依赖的package包/类
/**
* For CASSANDRA-6892 too, check that for a compact table with one cluster column, we can insert whatever
* we want as value for the clustering column, including something that would conflict with a CQL column definition.
*/
@Test
public void testValidationCompactStorage() throws Exception
{
QueryProcessor.process(String.format("CREATE TABLE \"%s\".test_compact_dynamic_columns (a int, b text, c text, PRIMARY KEY (a, b)) WITH COMPACT STORAGE", KEYSPACE), ConsistencyLevel.ONE);
Keyspace keyspace = Keyspace.open(KEYSPACE);
ColumnFamilyStore cfs = keyspace.getColumnFamilyStore("test_compact_dynamic_columns");
QueryProcessor.executeInternal(String.format("INSERT INTO \"%s\".test_compact_dynamic_columns (a, b, c) VALUES (0, 'a', 'foo')", KEYSPACE));
QueryProcessor.executeInternal(String.format("INSERT INTO \"%s\".test_compact_dynamic_columns (a, b, c) VALUES (0, 'b', 'bar')", KEYSPACE));
QueryProcessor.executeInternal(String.format("INSERT INTO \"%s\".test_compact_dynamic_columns (a, b, c) VALUES (0, 'c', 'boo')", KEYSPACE));
cfs.forceBlockingFlush();
CompactionManager.instance.performScrub(cfs, true, true, 2);
// Scrub is silent, but it will remove broken records. So reading everything back to make sure nothing to "scrubbed away"
UntypedResultSet rs = QueryProcessor.executeInternal(String.format("SELECT * FROM \"%s\".test_compact_dynamic_columns", KEYSPACE));
assertEquals(3, rs.size());
Iterator<UntypedResultSet.Row> iter = rs.iterator();
assertEquals("foo", iter.next().getString("c"));
assertEquals("bar", iter.next().getString("c"));
assertEquals("boo", iter.next().getString("c"));
}
示例3: testTimeSort
import org.apache.cassandra.cql3.UntypedResultSet; //导入方法依赖的package包/类
@Test
public void testTimeSort() throws Throwable
{
String tableName = createTable("CREATE TABLE %s (a int, b int, c int, PRIMARY KEY (a, b))");
ColumnFamilyStore cfs = Keyspace.open(KEYSPACE).getColumnFamilyStore(tableName);
for (int i = 900; i < 1000; ++i)
for (int j = 0; j < 8; ++j)
execute("INSERT INTO %s (a, b, c) VALUES (?, ?, ?) USING TIMESTAMP ?", i, j * 2, 0, (long)j * 2);
validateTimeSort();
cfs.forceBlockingFlush();
validateTimeSort();
// interleave some new data to test memtable + sstable
DecoratedKey key = Util.dk("900");
for (int j = 0; j < 4; ++j)
execute("INSERT INTO %s (a, b, c) VALUES (?, ?, ?) USING TIMESTAMP ?", 900, j * 2 + 1, 1, (long)j * 2 + 1);
// and some overwrites
execute("INSERT INTO %s (a, b, c) VALUES (?, ?, ?) USING TIMESTAMP ?", 900, 0, 2, 100L);
execute("INSERT INTO %s (a, b, c) VALUES (?, ?, ?) USING TIMESTAMP ?", 900, 10, 2, 100L);
// verify
UntypedResultSet results = execute("SELECT * FROM %s WHERE a = ? AND b >= ? LIMIT 1000", 900, 0);
assertEquals(12, results.size());
Iterator<UntypedResultSet.Row> iter = results.iterator();
for (int j = 0; j < 8; j++)
{
UntypedResultSet.Row row = iter.next();
assertEquals(j, row.getInt("b"));
}
assertRows(execute("SELECT * FROM %s WHERE a = ? AND b IN (?, ?)", 900, 0, 10),
row(900, 0, 2),
row(900, 10, 2));
}