本文整理汇总了Java中org.apache.cassandra.cql3.statements.ModificationStatement类的典型用法代码示例。如果您正苦于以下问题：Java ModificationStatement类的具体用法？Java ModificationStatement怎么用？Java ModificationStatement使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
ModificationStatement类属于org.apache.cassandra.cql3.statements包，在下文中一共展示了ModificationStatement类的9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: customExpressionsDisallowedInModifications
import org.apache.cassandra.cql3.statements.ModificationStatement; //导入依赖的package包/类
@Test
public void customExpressionsDisallowedInModifications() throws Throwable
{
createTable("CREATE TABLE %s (a int, b int, c int, d int, PRIMARY KEY (a, b))");
String indexName = currentTable() + "_custom_index";
createIndex(String.format("CREATE CUSTOM INDEX %s ON %%s(c) USING '%s'",
indexName, StubIndex.class.getName()));
assertInvalidThrowMessage(Server.CURRENT_VERSION,
ModificationStatement.CUSTOM_EXPRESSIONS_NOT_ALLOWED,
QueryValidationException.class,
String.format("DELETE FROM %%s WHERE expr(%s, 'foo bar baz ')", indexName));
assertInvalidThrowMessage(Server.CURRENT_VERSION,
ModificationStatement.CUSTOM_EXPRESSIONS_NOT_ALLOWED,
QueryValidationException.class,
String.format("UPDATE %%s SET d=0 WHERE expr(%s, 'foo bar baz ')", indexName));
}
示例2: executeLoggedBatch
import org.apache.cassandra.cql3.statements.ModificationStatement; //导入依赖的package包/类
private void executeLoggedBatch(List<CQLStatement> statements)
throws RequestExecutionException, RequestValidationException
{
BatchStatement batch = new BatchStatement(0,
BatchStatement.Type.LOGGED,
Lists.newArrayList(Iterables.filter(statements, ModificationStatement.class)),
Attributes.none());
QueryProcessor.instance.processBatch(batch,
QueryState.forInternalCalls(),
BatchQueryOptions.withoutPerStatementVariables(QueryOptions.DEFAULT));
}
示例3: testBatchStatement
import org.apache.cassandra.cql3.statements.ModificationStatement; //导入依赖的package包/类
@Test
public void testBatchStatement() throws Throwable
{
String iFunc2 = createEchoFunction("int");
List<ModificationStatement> statements = new ArrayList<>();
statements.add(modificationStatement(cql("INSERT INTO %s (key, i_cc, t_cc) VALUES (%s, 0, 'foo')",
functionCall(iFunc, "0"))));
statements.add(modificationStatement(cql("INSERT INTO %s (key, i_cc, t_cc) VALUES (1, %s, 'foo')",
functionCall(iFunc2, "1"))));
statements.add(modificationStatement(cql("INSERT INTO %s (key, i_cc, t_cc) VALUES (2, 2, %s)",
functionCall(tFunc, "'foo'"))));
BatchStatement batch = new BatchStatement(-1, BatchStatement.Type.LOGGED, statements, Attributes.none());
assertFunctions(batch, iFunc, iFunc2, tFunc);
}
示例4: testBatchStatementWithConditions
import org.apache.cassandra.cql3.statements.ModificationStatement; //导入依赖的package包/类
@Test
public void testBatchStatementWithConditions() throws Throwable
{
List<ModificationStatement> statements = new ArrayList<>();
statements.add(modificationStatement(cql("UPDATE %s SET i_val = %s WHERE key=0 AND i_cc=0 and t_cc='foo' IF l_val = %s",
functionCall(iFunc, "0"), functionCall(lFunc, "[1]"))));
statements.add(modificationStatement(cql("UPDATE %s SET i_val = %s WHERE key=0 AND i_cc=1 and t_cc='foo' IF s_val = %s",
functionCall(iFunc, "0"), functionCall(sFunc, "{1}"))));
BatchStatement batch = new BatchStatement(-1, BatchStatement.Type.LOGGED, statements, Attributes.none());
assertFunctions(batch, iFunc, lFunc, sFunc);
}
示例5: testBatchStatement
import org.apache.cassandra.cql3.statements.ModificationStatement; //导入依赖的package包/类
@Test
public void testBatchStatement() throws Throwable
{
List<ModificationStatement> statements = new ArrayList<>();
List<String> functions = new ArrayList<>();
for (int i = 0; i < 3; i++)
{
String functionName = createSimpleFunction();
ModificationStatement stmt =
(ModificationStatement) getStatement(String.format("INSERT INTO %s (k, v1, v2) " +
"VALUES (%s, %s, %s)",
KEYSPACE + "." + currentTable(),
i, i, functionCall(functionName)));
functions.add(functionName);
statements.add(stmt);
}
BatchStatement batch = new BatchStatement(-1, BatchStatement.Type.LOGGED, statements, Attributes.none());
assertUnauthorized(batch, functions);
grantExecuteOnFunction(functions.get(0));
assertUnauthorized(batch, functions.subList(1, functions.size()));
grantExecuteOnFunction(functions.get(1));
assertUnauthorized(batch, functions.subList(2, functions.size()));
grantExecuteOnFunction(functions.get(2));
batch.checkAccess(clientState);
}
示例6: execute
import org.apache.cassandra.cql3.statements.ModificationStatement; //导入依赖的package包/类
public Message.Response execute(QueryState state)
{
try
{
UUID tracingId = null;
if (isTracingRequested())
{
tracingId = UUIDGen.getTimeUUID();
state.prepareTracingSession(tracingId);
}
if (state.traceNextQuery())
{
state.createTracingSession();
// TODO we don't have [typed] access to CQL bind variables here. CASSANDRA-4560 is open to add support.
Tracing.instance.begin("Execute batch of CQL3 queries", Collections.<String, String>emptyMap());
}
List<ModificationStatement> statements = new ArrayList<ModificationStatement>(queryOrIdList.size());
for (int i = 0; i < queryOrIdList.size(); i++)
{
Object query = queryOrIdList.get(i);
CQLStatement statement;
if (query instanceof String)
{
statement = QueryProcessor.parseStatement((String)query, state);
}
else
{
statement = QueryProcessor.getPrepared((MD5Digest)query);
if (statement == null)
throw new PreparedQueryNotFoundException((MD5Digest)query);
}
List<ByteBuffer> queryValues = values.get(i);
if (queryValues.size() != statement.getBoundsTerms())
throw new InvalidRequestException(String.format("There were %d markers(?) in CQL but %d bound variables",
statement.getBoundsTerms(),
queryValues.size()));
if (!(statement instanceof ModificationStatement))
throw new InvalidRequestException("Invalid statement in batch: only UPDATE, INSERT and DELETE statements are allowed.");
ModificationStatement mst = (ModificationStatement)statement;
if (mst.isCounter())
{
if (type != BatchStatement.Type.COUNTER)
throw new InvalidRequestException("Cannot include counter statement in a non-counter batch");
}
else
{
if (type == BatchStatement.Type.COUNTER)
throw new InvalidRequestException("Cannot include non-counter statement in a counter batch");
}
statements.add(mst);
}
// Note: It's ok at this point to pass a bogus value for the number of bound terms in the BatchState ctor
// (and no value would be really correct, so we prefer passing a clearly wrong one).
BatchStatement batch = new BatchStatement(-1, type, statements, Attributes.none());
Message.Response response = QueryProcessor.processBatch(batch, consistency, state, values);
if (tracingId != null)
response.setTracingId(tracingId);
return response;
}
catch (Exception e)
{
return ErrorMessage.fromException(e);
}
finally
{
Tracing.instance.stopSession();
}
}
示例7: modificationStatement
import org.apache.cassandra.cql3.statements.ModificationStatement; //导入依赖的package包/类
private ModificationStatement modificationStatement(String cql)
{
return (ModificationStatement) QueryProcessor.getStatement(cql, ClientState.forInternalCalls()).statement;
}
示例8: execute
import org.apache.cassandra.cql3.statements.ModificationStatement; //导入依赖的package包/类
public Message.Response execute(QueryState state)
{
try
{
UUID tracingId = null;
if (isTracingRequested())
{
tracingId = UUIDGen.getTimeUUID();
state.prepareTracingSession(tracingId);
}
if (state.traceNextQuery())
{
state.createTracingSession();
// TODO we don't have [typed] access to CQL bind variables here. CASSANDRA-4560 is open to add support.
Tracing.instance.begin("Execute batch of CQL3 queries", Collections.<String, String>emptyMap());
}
List<ModificationStatement> statements = new ArrayList<ModificationStatement>(queryOrIdList.size());
for (int i = 0; i < queryOrIdList.size(); i++)
{
Object query = queryOrIdList.get(i);
CQLStatement statement;
if (query instanceof String)
{
statement = QueryProcessor.parseStatement((String)query, state);
}
else
{
statement = QueryProcessor.getPrepared((MD5Digest)query);
if (statement == null)
throw new PreparedQueryNotFoundException((MD5Digest)query);
}
List<ByteBuffer> queryValues = values.get(i);
if (queryValues.size() != statement.getBoundTerms())
throw new InvalidRequestException(String.format("There were %d markers(?) in CQL but %d bound variables",
statement.getBoundTerms(),
queryValues.size()));
if (!(statement instanceof ModificationStatement))
throw new InvalidRequestException("Invalid statement in batch: only UPDATE, INSERT and DELETE statements are allowed.");
ModificationStatement mst = (ModificationStatement)statement;
if (mst.isCounter())
{
if (type != BatchStatement.Type.COUNTER)
throw new InvalidRequestException("Cannot include counter statement in a non-counter batch");
}
else
{
if (type == BatchStatement.Type.COUNTER)
throw new InvalidRequestException("Cannot include non-counter statement in a counter batch");
}
statements.add(mst);
}
// Note: It's ok at this point to pass a bogus value for the number of bound terms in the BatchState ctor
// (and no value would be really correct, so we prefer passing a clearly wrong one).
BatchStatement batch = new BatchStatement(-1, type, statements, Attributes.none());
Message.Response response = QueryProcessor.processBatch(batch, consistency, state, values, queryOrIdList);
if (tracingId != null)
response.setTracingId(tracingId);
return response;
}
catch (Exception e)
{
return ErrorMessage.fromException(e);
}
finally
{
Tracing.instance.stopSession();
}
}
示例9: execute
import org.apache.cassandra.cql3.statements.ModificationStatement; //导入依赖的package包/类
public Message.Response execute(QueryState state)
{
try
{
UUID tracingId = null;
if (isTracingRequested())
{
tracingId = UUIDGen.getTimeUUID();
state.prepareTracingSession(tracingId);
}
if (state.traceNextQuery())
{
state.createTracingSession();
// TODO we don't have [typed] access to CQL bind variables here. CASSANDRA-4560 is open to add support.
Tracing.instance.begin("Execute batch of CQL3 queries", Collections.<String, String>emptyMap());
}
QueryHandler handler = state.getClientState().getCQLQueryHandler();
List<ModificationStatement> statements = new ArrayList<ModificationStatement>(queryOrIdList.size());
for (int i = 0; i < queryOrIdList.size(); i++)
{
Object query = queryOrIdList.get(i);
CQLStatement statement;
if (query instanceof String)
{
statement = QueryProcessor.parseStatement((String)query, state);
}
else
{
statement = handler.getPrepared((MD5Digest)query);
if (statement == null)
throw new PreparedQueryNotFoundException((MD5Digest)query);
}
List<ByteBuffer> queryValues = values.get(i);
if (queryValues.size() != statement.getBoundTerms())
throw new InvalidRequestException(String.format("There were %d markers(?) in CQL but %d bound variables",
statement.getBoundTerms(),
queryValues.size()));
if (!(statement instanceof ModificationStatement))
throw new InvalidRequestException("Invalid statement in batch: only UPDATE, INSERT and DELETE statements are allowed.");
ModificationStatement mst = (ModificationStatement)statement;
if (mst.isCounter())
{
if (type != BatchStatement.Type.COUNTER)
throw new InvalidRequestException("Cannot include counter statement in a non-counter batch");
}
else
{
if (type == BatchStatement.Type.COUNTER)
throw new InvalidRequestException("Cannot include non-counter statement in a counter batch");
}
statements.add(mst);
}
// Note: It's ok at this point to pass a bogus value for the number of bound terms in the BatchState ctor
// (and no value would be really correct, so we prefer passing a clearly wrong one).
BatchStatement batch = new BatchStatement(-1, type, statements, Attributes.none());
Message.Response response = handler.processBatch(batch, state, new BatchQueryOptions(consistency, values, queryOrIdList));
if (tracingId != null)
response.setTracingId(tracingId);
return response;
}
catch (Exception e)
{
return ErrorMessage.fromException(e);
}
finally
{
Tracing.instance.stopSession();
}
}