/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.cassandra.cql3.validation.entities;
import java.nio.ByteBuffer;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import com.google.common.reflect.TypeToken;
import org.junit.Assert;
import org.junit.Test;
import com.datastax.driver.core.*;
import com.datastax.driver.core.exceptions.InvalidQueryException;
import org.apache.cassandra.cql3.CQLTester;
import org.apache.cassandra.cql3.QueryProcessor;
import org.apache.cassandra.cql3.UntypedResultSet;
import org.apache.cassandra.cql3.functions.FunctionName;
import org.apache.cassandra.cql3.functions.JavaBasedUDFunction;
import org.apache.cassandra.cql3.functions.UDFunction;
import org.apache.cassandra.db.marshal.CollectionType;
import org.apache.cassandra.exceptions.InvalidRequestException;
import org.apache.cassandra.schema.KeyspaceMetadata;
import org.apache.cassandra.schema.Schema;
import org.apache.cassandra.service.ClientState;
import org.apache.cassandra.transport.*;
import org.apache.cassandra.transport.ProtocolVersion;
import org.apache.cassandra.transport.messages.ResultMessage;
import org.apache.cassandra.utils.ByteBufferUtil;
public class UFTest extends CQLTester
{
@Test
public void testJavaSourceName()
{
Assert.assertEquals("String", JavaBasedUDFunction.javaSourceName(TypeToken.of(String.class)));
Assert.assertEquals("java.util.Map<Integer, String>", JavaBasedUDFunction.javaSourceName(TypeTokens.mapOf(Integer.class, String.class)));
Assert.assertEquals("com.datastax.driver.core.UDTValue", JavaBasedUDFunction.javaSourceName(TypeToken.of(UDTValue.class)));
Assert.assertEquals("java.util.Set<com.datastax.driver.core.UDTValue>", JavaBasedUDFunction.javaSourceName(TypeTokens.setOf(UDTValue.class)));
}
@Test
public void testNonExistingOnes() throws Throwable
{
assertInvalidThrowMessage("Cannot drop non existing function", InvalidRequestException.class, "DROP FUNCTION " + KEYSPACE + ".func_does_not_exist");
assertInvalidThrowMessage("Cannot drop non existing function", InvalidRequestException.class, "DROP FUNCTION " + KEYSPACE + ".func_does_not_exist(int,text)");
assertInvalidThrowMessage("Cannot drop non existing function", InvalidRequestException.class, "DROP FUNCTION keyspace_does_not_exist.func_does_not_exist");
assertInvalidThrowMessage("Cannot drop non existing function", InvalidRequestException.class, "DROP FUNCTION keyspace_does_not_exist.func_does_not_exist(int,text)");
execute("DROP FUNCTION IF EXISTS " + KEYSPACE + ".func_does_not_exist");
execute("DROP FUNCTION IF EXISTS " + KEYSPACE + ".func_does_not_exist(int,text)");
execute("DROP FUNCTION IF EXISTS keyspace_does_not_exist.func_does_not_exist");
execute("DROP FUNCTION IF EXISTS keyspace_does_not_exist.func_does_not_exist(int,text)");
}
@Test
public void testSchemaChange() throws Throwable
{
String f = createFunction(KEYSPACE,
"double, double",
"CREATE OR REPLACE FUNCTION %s(state double, val double) " +
"RETURNS NULL ON NULL INPUT " +
"RETURNS double " +
"LANGUAGE javascript " +
"AS '\"string\";';");
assertLastSchemaChange(Event.SchemaChange.Change.CREATED, Event.SchemaChange.Target.FUNCTION,
KEYSPACE, parseFunctionName(f).name,
"double", "double");
createFunctionOverload(f,
"double, double",
"CREATE OR REPLACE FUNCTION %s(state int, val int) " +
"RETURNS NULL ON NULL INPUT " +
"RETURNS int " +
"LANGUAGE javascript " +
"AS '\"string\";';");
assertLastSchemaChange(Event.SchemaChange.Change.CREATED, Event.SchemaChange.Target.FUNCTION,
KEYSPACE, parseFunctionName(f).name,
"int", "int");
schemaChange("CREATE OR REPLACE FUNCTION " + f + "(state int, val int) " +
"RETURNS NULL ON NULL INPUT " +
"RETURNS int " +
"LANGUAGE javascript " +
"AS '\"string\";';");
assertLastSchemaChange(Event.SchemaChange.Change.UPDATED, Event.SchemaChange.Target.FUNCTION,
KEYSPACE, parseFunctionName(f).name,
"int", "int");
schemaChange("DROP FUNCTION " + f + "(double, double)");
assertLastSchemaChange(Event.SchemaChange.Change.DROPPED, Event.SchemaChange.Target.FUNCTION,
KEYSPACE, parseFunctionName(f).name,
"double", "double");
}
@Test
public void testFunctionDropOnKeyspaceDrop() throws Throwable
{
String fSin = createFunction(KEYSPACE_PER_TEST, "double",
"CREATE FUNCTION %s ( input double ) " +
"CALLED ON NULL INPUT " +
"RETURNS double " +
"LANGUAGE java " +
"AS 'return Double.valueOf(Math.sin(input.doubleValue()));'");
FunctionName fSinName = parseFunctionName(fSin);
Assert.assertEquals(1, Schema.instance.getFunctions(parseFunctionName(fSin)).size());
assertRows(execute("SELECT function_name, language FROM system_schema.functions WHERE keyspace_name=?", KEYSPACE_PER_TEST),
row(fSinName.name, "java"));
dropPerTestKeyspace();
assertRows(execute("SELECT function_name, language FROM system_schema.functions WHERE keyspace_name=?", KEYSPACE_PER_TEST));
Assert.assertEquals(0, Schema.instance.getFunctions(fSinName).size());
}
@Test
public void testFunctionDropPreparedStatement() throws Throwable
{
createTable("CREATE TABLE %s (key int PRIMARY KEY, d double)");
String fSin = createFunction(KEYSPACE_PER_TEST, "double",
"CREATE FUNCTION %s ( input double ) " +
"CALLED ON NULL INPUT " +
"RETURNS double " +
"LANGUAGE java " +
"AS 'return Double.valueOf(Math.sin(input.doubleValue()));'");
FunctionName fSinName = parseFunctionName(fSin);
Assert.assertEquals(1, Schema.instance.getFunctions(parseFunctionName(fSin)).size());
// create a pairs of Select and Inserts. One statement in each pair uses the function so when we
// drop it those statements should be removed from the cache in QueryProcessor. The other statements
// should be unaffected.
ResultMessage.Prepared preparedSelect1 = QueryProcessor.prepare(
String.format("SELECT key, %s(d) FROM %s.%s", fSin, KEYSPACE, currentTable()),
ClientState.forInternalCalls());
ResultMessage.Prepared preparedSelect2 = QueryProcessor.prepare(
String.format("SELECT key FROM %s.%s", KEYSPACE, currentTable()),
ClientState.forInternalCalls());
ResultMessage.Prepared preparedInsert1 = QueryProcessor.prepare(
String.format("INSERT INTO %s.%s (key, d) VALUES (?, %s(?))", KEYSPACE, currentTable(), fSin),
ClientState.forInternalCalls());
ResultMessage.Prepared preparedInsert2 = QueryProcessor.prepare(
String.format("INSERT INTO %s.%s (key, d) VALUES (?, ?)", KEYSPACE, currentTable()),
ClientState.forInternalCalls());
Assert.assertNotNull(QueryProcessor.instance.getPrepared(preparedSelect1.statementId));
Assert.assertNotNull(QueryProcessor.instance.getPrepared(preparedSelect2.statementId));
Assert.assertNotNull(QueryProcessor.instance.getPrepared(preparedInsert1.statementId));
Assert.assertNotNull(QueryProcessor.instance.getPrepared(preparedInsert2.statementId));
execute("DROP FUNCTION " + fSin + "(double);");
// the statements which use the dropped function should be removed from cache, with the others remaining
Assert.assertNull(QueryProcessor.instance.getPrepared(preparedSelect1.statementId));
Assert.assertNotNull(QueryProcessor.instance.getPrepared(preparedSelect2.statementId));
Assert.assertNull(QueryProcessor.instance.getPrepared(preparedInsert1.statementId));
Assert.assertNotNull(QueryProcessor.instance.getPrepared(preparedInsert2.statementId));
execute("CREATE FUNCTION " + fSin + " ( input double ) " +
"RETURNS NULL ON NULL INPUT " +
"RETURNS double " +
"LANGUAGE java " +
"AS 'return Double.valueOf(Math.sin(input));'");
Assert.assertEquals(1, Schema.instance.getFunctions(fSinName).size());
preparedSelect1= QueryProcessor.prepare(
String.format("SELECT key, %s(d) FROM %s.%s", fSin, KEYSPACE, currentTable()),
ClientState.forInternalCalls());
preparedInsert1 = QueryProcessor.prepare(
String.format("INSERT INTO %s.%s (key, d) VALUES (?, %s(?))", KEYSPACE, currentTable(), fSin),
ClientState.forInternalCalls());
Assert.assertNotNull(QueryProcessor.instance.getPrepared(preparedSelect1.statementId));
Assert.assertNotNull(QueryProcessor.instance.getPrepared(preparedInsert1.statementId));
dropPerTestKeyspace();
// again, only the 2 statements referencing the function should be removed from cache
// this time because the statements select from tables in KEYSPACE, only the function
// is scoped to KEYSPACE_PER_TEST
Assert.assertNull(QueryProcessor.instance.getPrepared(preparedSelect1.statementId));
Assert.assertNotNull(QueryProcessor.instance.getPrepared(preparedSelect2.statementId));
Assert.assertNull(QueryProcessor.instance.getPrepared(preparedInsert1.statementId));
Assert.assertNotNull(QueryProcessor.instance.getPrepared(preparedInsert2.statementId));
}
@Test
public void testDropFunctionDropsPreparedStatementsWithDelayedValues() throws Throwable
{
// test that dropping a function removes stmts which use
// it to provide a DelayedValue collection from the
// cache in QueryProcessor
checkDelayedValuesCorrectlyIdentifyFunctionsInUse(false);
}
@Test
public void testDropKeyspaceContainingFunctionDropsPreparedStatementsWithDelayedValues() throws Throwable
{
// test that dropping a function removes stmts which use
// it to provide a DelayedValue collection from the
// cache in QueryProcessor
checkDelayedValuesCorrectlyIdentifyFunctionsInUse(true);
}
private ResultMessage.Prepared prepareStatementWithDelayedValue(CollectionType.Kind kind, String function)
{
String collectionType;
String literalArgs;
switch (kind)
{
case LIST:
collectionType = "list<double>";
literalArgs = String.format("[%s(0.0)]", function);
break;
case SET:
collectionType = "set<double>";
literalArgs = String.format("{%s(0.0)}", function);
break;
case MAP:
collectionType = "map<double, double>";
literalArgs = String.format("{%s(0.0):0.0}", function);
break;
default:
Assert.fail("Unsupported collection type " + kind);
collectionType = null;
literalArgs = null;
}
createTable("CREATE TABLE %s (" +
" key int PRIMARY KEY," +
" val " + collectionType + ')');
ResultMessage.Prepared prepared = QueryProcessor.prepare(
String.format("INSERT INTO %s.%s (key, val) VALUES (?, %s)",
KEYSPACE,
currentTable(),
literalArgs),
ClientState.forInternalCalls());
Assert.assertNotNull(QueryProcessor.instance.getPrepared(prepared.statementId));
return prepared;
}
private ResultMessage.Prepared prepareStatementWithDelayedValueTuple(String function)
{
createTable("CREATE TABLE %s (" +
" key int PRIMARY KEY," +
" val tuple<double> )");
ResultMessage.Prepared prepared = QueryProcessor.prepare(
String.format("INSERT INTO %s.%s (key, val) VALUES (?, (%s(0.0)))",
KEYSPACE,
currentTable(),
function),
ClientState.forInternalCalls());
Assert.assertNotNull(QueryProcessor.instance.getPrepared(prepared.statementId));
return prepared;
}
private void checkDelayedValuesCorrectlyIdentifyFunctionsInUse(boolean dropKeyspace) throws Throwable
{
// prepare a statement which doesn't use any function for a control
createTable("CREATE TABLE %s (" +
" key int PRIMARY KEY," +
" val double)");
ResultMessage.Prepared control = QueryProcessor.prepare(
String.format("INSERT INTO %s.%s (key, val) VALUES (?, ?)",
KEYSPACE,
currentTable()),
ClientState.forInternalCalls());
Assert.assertNotNull(QueryProcessor.instance.getPrepared(control.statementId));
// a function that we'll drop and verify that statements which use it to
// provide a DelayedValue are removed from the cache in QueryProcessor
String function = createFunction(KEYSPACE_PER_TEST, "double",
"CREATE FUNCTION %s ( input double ) " +
"CALLED ON NULL INPUT " +
"RETURNS double " +
"LANGUAGE javascript " +
"AS 'input'");
Assert.assertEquals(1, Schema.instance.getFunctions(parseFunctionName(function)).size());
List<ResultMessage.Prepared> prepared = new ArrayList<>();
// prepare statements which use the function to provide a DelayedValue
prepared.add(prepareStatementWithDelayedValue(CollectionType.Kind.LIST, function));
prepared.add(prepareStatementWithDelayedValue(CollectionType.Kind.SET, function));
prepared.add(prepareStatementWithDelayedValue(CollectionType.Kind.MAP, function));
prepared.add(prepareStatementWithDelayedValueTuple(function));
// what to drop - the function is scoped to the per-test keyspace, but the prepared statements
// select from the per-fixture keyspace. So if we drop the per-test keyspace, the function
// should be removed along with the statements that reference it. The control statement should
// remain present in the cache. Likewise, if we actually drop the function itself the control
// statement should not be removed, but the others should be
if (dropKeyspace)
dropPerTestKeyspace();
else
execute("DROP FUNCTION " + function);
Assert.assertNotNull(QueryProcessor.instance.getPrepared(control.statementId));
for (ResultMessage.Prepared removed : prepared)
Assert.assertNull(QueryProcessor.instance.getPrepared(removed.statementId));
}
@Test
public void testFunctionCreationAndDrop() throws Throwable
{
createTable("CREATE TABLE %s (key int PRIMARY KEY, d double)");
execute("INSERT INTO %s(key, d) VALUES (?, ?)", 1, 1d);
execute("INSERT INTO %s(key, d) VALUES (?, ?)", 2, 2d);
execute("INSERT INTO %s(key, d) VALUES (?, ?)", 3, 3d);
// simple creation
String fSin = createFunction(KEYSPACE_PER_TEST, "double",
"CREATE FUNCTION %s ( input double ) " +
"CALLED ON NULL INPUT " +
"RETURNS double " +
"LANGUAGE java " +
"AS 'return Math.sin(input);'");
// check we can't recreate the same function
assertInvalidMessage("already exists",
"CREATE FUNCTION " + fSin + " ( input double ) " +
"CALLED ON NULL INPUT " +
"RETURNS double " +
"LANGUAGE java AS 'return Double.valueOf(Math.sin(input.doubleValue()));'");
// but that it doesn't comply with "IF NOT EXISTS"
execute("CREATE FUNCTION IF NOT EXISTS " + fSin + " ( input double ) " +
"CALLED ON NULL INPUT " +
"RETURNS double " +
"LANGUAGE java AS 'return Double.valueOf(Math.sin(input.doubleValue()));'");
// Validate that it works as expected
assertRows(execute("SELECT key, " + fSin + "(d) FROM %s"),
row(1, Math.sin(1d)),
row(2, Math.sin(2d)),
row(3, Math.sin(3d))
);
// Replace the method with incompatible return type
assertInvalidMessage("the new return type text is not compatible with the return type double of existing function",
"CREATE OR REPLACE FUNCTION " + fSin + " ( input double ) " +
"CALLED ON NULL INPUT " +
"RETURNS text " +
"LANGUAGE java AS 'return Double.valueOf(42d);'");
// proper replacement
execute("CREATE OR REPLACE FUNCTION " + fSin + " ( input double ) " +
"CALLED ON NULL INPUT " +
"RETURNS double " +
"LANGUAGE java AS 'return Double.valueOf(42d);'");
// Validate the method as been replaced
assertRows(execute("SELECT key, " + fSin + "(d) FROM %s"),
row(1, 42.0),
row(2, 42.0),
row(3, 42.0)
);
// same function but other keyspace
String fSin2 = createFunction(KEYSPACE, "double",
"CREATE FUNCTION %s ( input double ) " +
"RETURNS NULL ON NULL INPUT " +
"RETURNS double " +
"LANGUAGE java " +
"AS 'return Math.sin(input);'");
assertRows(execute("SELECT key, " + fSin2 + "(d) FROM %s"),
row(1, Math.sin(1d)),
row(2, Math.sin(2d)),
row(3, Math.sin(3d))
);
// Drop
execute("DROP FUNCTION " + fSin);
execute("DROP FUNCTION " + fSin2);
// Drop unexisting function
assertInvalidMessage("Cannot drop non existing function", "DROP FUNCTION " + fSin);
// but don't complain with "IF EXISTS"
execute("DROP FUNCTION IF EXISTS " + fSin);
// can't drop native functions
assertInvalidMessage("system keyspace is not user-modifiable", "DROP FUNCTION totimestamp");
assertInvalidMessage("system keyspace is not user-modifiable", "DROP FUNCTION uuid");
// sin() no longer exists
assertInvalidMessage("Unknown function", "SELECT key, sin(d) FROM %s");
}
@Test
public void testFunctionExecution() throws Throwable
{
createTable("CREATE TABLE %s (v text PRIMARY KEY)");
execute("INSERT INTO %s(v) VALUES (?)", "aaa");
String fRepeat = createFunction(KEYSPACE_PER_TEST, "text,int",
"CREATE FUNCTION %s(v text, n int) " +
"RETURNS NULL ON NULL INPUT " +
"RETURNS text " +
"LANGUAGE java " +
"AS 'StringBuilder sb = new StringBuilder();\n" +
" for (int i = 0; i < n; i++)\n" +
" sb.append(v);\n" +
" return sb.toString();'");
assertRows(execute("SELECT v FROM %s WHERE v=" + fRepeat + "(?, ?)", "a", 3), row("aaa"));
assertEmpty(execute("SELECT v FROM %s WHERE v=" + fRepeat + "(?, ?)", "a", 2));
}
@Test
public void testFunctionExecutionWithReversedTypeAsOutput() throws Throwable
{
createTable("CREATE TABLE %s (k int, v text, PRIMARY KEY(k, v)) WITH CLUSTERING ORDER BY (v DESC)");
String fRepeat = createFunction(KEYSPACE_PER_TEST, "text",
"CREATE FUNCTION %s(v text) " +
"RETURNS NULL ON NULL INPUT " +
"RETURNS text " +
"LANGUAGE java " +
"AS 'return v + v;'");
execute("INSERT INTO %s(k, v) VALUES (?, " + fRepeat + "(?))", 1, "a");
}
@Test
public void testFunctionOverloading() throws Throwable
{
createTable("CREATE TABLE %s (k text PRIMARY KEY, v int)");
execute("INSERT INTO %s(k, v) VALUES (?, ?)", "f2", 1);
String fOverload = createFunction(KEYSPACE_PER_TEST, "varchar",
"CREATE FUNCTION %s ( input varchar ) " +
"RETURNS NULL ON NULL INPUT " +
"RETURNS text " +
"LANGUAGE java " +
"AS 'return \"f1\";'");
createFunctionOverload(fOverload,
"int",
"CREATE OR REPLACE FUNCTION %s(i int) " +
"RETURNS NULL ON NULL INPUT " +
"RETURNS text " +
"LANGUAGE java " +
"AS 'return \"f2\";'");
createFunctionOverload(fOverload,
"text,text",
"CREATE OR REPLACE FUNCTION %s(v1 text, v2 text) " +
"RETURNS NULL ON NULL INPUT " +
"RETURNS text " +
"LANGUAGE java " +
"AS 'return \"f3\";'");
createFunctionOverload(fOverload,
"ascii",
"CREATE OR REPLACE FUNCTION %s(v ascii) " +
"RETURNS NULL ON NULL INPUT " +
"RETURNS text " +
"LANGUAGE java " +
"AS 'return \"f1\";'");
// text == varchar, so this should be considered as a duplicate
assertInvalidMessage("already exists",
"CREATE FUNCTION " + fOverload + "(v varchar) " +
"RETURNS NULL ON NULL INPUT " +
"RETURNS text " +
"LANGUAGE java AS 'return \"f1\";'");
assertRows(execute("SELECT " + fOverload + "(k), " + fOverload + "(v), " + fOverload + "(k, k) FROM %s"),
row("f1", "f2", "f3")
);
forcePreparedValues();
// This shouldn't work if we use preparation since there no way to know which overload to use
assertInvalidMessage("Ambiguous call to function", "SELECT v FROM %s WHERE k = " + fOverload + "(?)", "foo");
stopForcingPreparedValues();
// but those should since we specifically cast
assertEmpty(execute("SELECT v FROM %s WHERE k = " + fOverload + "((text)?)", "foo"));
assertRows(execute("SELECT v FROM %s WHERE k = " + fOverload + "((int)?)", 3), row(1));
assertEmpty(execute("SELECT v FROM %s WHERE k = " + fOverload + "((ascii)?)", "foo"));
// And since varchar == text, this should work too
assertEmpty(execute("SELECT v FROM %s WHERE k = " + fOverload + "((varchar)?)", "foo"));
// no such functions exist...
assertInvalidMessage("non existing function", "DROP FUNCTION " + fOverload + "(boolean)");
assertInvalidMessage("non existing function", "DROP FUNCTION " + fOverload + "(bigint)");
// 'overloaded' has multiple overloads - so it has to fail (CASSANDRA-7812)
assertInvalidMessage("matches multiple function definitions", "DROP FUNCTION " + fOverload);
execute("DROP FUNCTION " + fOverload + "(varchar)");
assertInvalidMessage("none of its type signatures match", "SELECT v FROM %s WHERE k = " + fOverload + "((text)?)", "foo");
execute("DROP FUNCTION " + fOverload + "(text, text)");
assertInvalidMessage("none of its type signatures match", "SELECT v FROM %s WHERE k = " + fOverload + "((text)?,(text)?)", "foo", "bar");
execute("DROP FUNCTION " + fOverload + "(ascii)");
assertInvalidMessage("cannot be passed as argument 0 of function", "SELECT v FROM %s WHERE k = " + fOverload + "((ascii)?)", "foo");
// single-int-overload must still work
assertRows(execute("SELECT v FROM %s WHERE k = " + fOverload + "((int)?)", 3), row(1));
// overloaded has just one overload now - so the following DROP FUNCTION is not ambigious (CASSANDRA-7812)
execute("DROP FUNCTION " + fOverload);
}
@Test
public void testCreateOrReplaceJavaFunction() throws Throwable
{
createTable("CREATE TABLE %s (key int primary key, val double)");
execute("INSERT INTO %s (key, val) VALUES (?, ?)", 1, 1d);
execute("INSERT INTO %s (key, val) VALUES (?, ?)", 2, 2d);
execute("INSERT INTO %s (key, val) VALUES (?, ?)", 3, 3d);
String fName = createFunction(KEYSPACE_PER_TEST, "double",
"CREATE FUNCTION %s( input double ) " +
"CALLED ON NULL INPUT " +
"RETURNS double " +
"LANGUAGE java " +
"AS '\n" +
" // parameter val is of type java.lang.Double\n" +
" /* return type is of type java.lang.Double */\n" +
" if (input == null) {\n" +
" return null;\n" +
" }\n" +
" return Math.sin( input );\n" +
"';");
// just check created function
assertRows(execute("SELECT key, val, " + fName + "(val) FROM %s"),
row(1, 1d, Math.sin(1d)),
row(2, 2d, Math.sin(2d)),
row(3, 3d, Math.sin(3d))
);
execute("CREATE OR REPLACE FUNCTION " + fName + "( input double ) " +
"CALLED ON NULL INPUT " +
"RETURNS double " +
"LANGUAGE java\n" +
"AS '\n" +
" return input;\n" +
"';");
// check if replaced function returns correct result
assertRows(execute("SELECT key, val, " + fName + "(val) FROM %s"),
row(1, 1d, 1d),
row(2, 2d, 2d),
row(3, 3d, 3d)
);
}
@Test
public void testFunctionInTargetKeyspace() throws Throwable
{
createTable("CREATE TABLE %s (key int primary key, val double)");
execute("CREATE TABLE " + KEYSPACE_PER_TEST + ".second_tab (key int primary key, val double)");
String fName = createFunction(KEYSPACE_PER_TEST, "double",
"CREATE OR REPLACE FUNCTION %s(val double) " +
"RETURNS NULL ON NULL INPUT " +
"RETURNS double " +
"LANGUAGE JAVA " +
"AS 'return Double.valueOf(val);';");
execute("INSERT INTO %s (key, val) VALUES (?, ?)", 1, 1d);
execute("INSERT INTO %s (key, val) VALUES (?, ?)", 2, 2d);
execute("INSERT INTO %s (key, val) VALUES (?, ?)", 3, 3d);
assertInvalidMessage("Unknown function",
"SELECT key, val, " + parseFunctionName(fName).name + "(val) FROM %s");
execute("INSERT INTO " + KEYSPACE_PER_TEST + ".second_tab (key, val) VALUES (?, ?)", 1, 1d);
execute("INSERT INTO " + KEYSPACE_PER_TEST + ".second_tab (key, val) VALUES (?, ?)", 2, 2d);
execute("INSERT INTO " + KEYSPACE_PER_TEST + ".second_tab (key, val) VALUES (?, ?)", 3, 3d);
assertRows(execute("SELECT key, val, " + fName + "(val) FROM " + KEYSPACE_PER_TEST + ".second_tab"),
row(1, 1d, 1d),
row(2, 2d, 2d),
row(3, 3d, 3d)
);
}
@Test
public void testFunctionWithReservedName() throws Throwable
{
execute("CREATE TABLE " + KEYSPACE_PER_TEST + ".second_tab (key int primary key, val double)");
String fName = createFunction(KEYSPACE_PER_TEST, "",
"CREATE OR REPLACE FUNCTION %s() " +
"RETURNS NULL ON NULL INPUT " +
"RETURNS timestamp " +
"LANGUAGE JAVA " +
"AS 'return null;';");
execute("INSERT INTO " + KEYSPACE_PER_TEST + ".second_tab (key, val) VALUES (?, ?)", 1, 1d);
execute("INSERT INTO " + KEYSPACE_PER_TEST + ".second_tab (key, val) VALUES (?, ?)", 2, 2d);
execute("INSERT INTO " + KEYSPACE_PER_TEST + ".second_tab (key, val) VALUES (?, ?)", 3, 3d);
// ensure that system now() is executed
UntypedResultSet rows = execute("SELECT key, val, now() FROM " + KEYSPACE_PER_TEST + ".second_tab");
Assert.assertEquals(3, rows.size());
UntypedResultSet.Row row = rows.iterator().next();
Date ts = row.getTimestamp(row.getColumns().get(2).name.toString());
Assert.assertNotNull(ts);
// ensure that KEYSPACE_PER_TEST's now() is executed
rows = execute("SELECT key, val, " + fName + "() FROM " + KEYSPACE_PER_TEST + ".second_tab");
Assert.assertEquals(3, rows.size());
row = rows.iterator().next();
Assert.assertFalse(row.has(row.getColumns().get(2).name.toString()));
}
@Test
public void testFunctionInSystemKS() throws Throwable
{
execute("CREATE OR REPLACE FUNCTION " + KEYSPACE + ".totimestamp(val timeuuid) " +
"RETURNS NULL ON NULL INPUT " +
"RETURNS timestamp " +
"LANGUAGE JAVA\n" +
"AS 'return null;';");
assertInvalidMessage("system keyspace is not user-modifiable",
"CREATE OR REPLACE FUNCTION system.jnft(val double) " +
"RETURNS NULL ON NULL INPUT " +
"RETURNS double " +
"LANGUAGE JAVA\n" +
"AS 'return null;';");
assertInvalidMessage("system keyspace is not user-modifiable",
"CREATE OR REPLACE FUNCTION system.totimestamp(val timeuuid) " +
"RETURNS NULL ON NULL INPUT " +
"RETURNS timestamp " +
"LANGUAGE JAVA\n" +
"AS 'return null;';");
assertInvalidMessage("system keyspace is not user-modifiable",
"DROP FUNCTION system.now");
// KS for executeInternal() is system
assertInvalidMessage("system keyspace is not user-modifiable",
"CREATE OR REPLACE FUNCTION jnft(val double) " +
"RETURNS NULL ON NULL INPUT " +
"RETURNS double " +
"LANGUAGE JAVA\n" +
"AS 'return null;';");
assertInvalidMessage("system keyspace is not user-modifiable",
"CREATE OR REPLACE FUNCTION totimestamp(val timeuuid) " +
"RETURNS NULL ON NULL INPUT " +
"RETURNS timestamp " +
"LANGUAGE JAVA\n" +
"AS 'return null;';");
assertInvalidMessage("system keyspace is not user-modifiable",
"DROP FUNCTION now");
}
@Test
public void testFunctionNonExistingKeyspace() throws Throwable
{
assertInvalidMessage("Keyspace this_ks_does_not_exist doesn't exist",
"CREATE OR REPLACE FUNCTION this_ks_does_not_exist.jnft(val double) " +
"RETURNS NULL ON NULL INPUT " +
"RETURNS double " +
"LANGUAGE JAVA\n" +
"AS 'return null;';");
}
@Test
public void testFunctionAfterOnDropKeyspace() throws Throwable
{
dropPerTestKeyspace();
assertInvalidMessage("Keyspace " + KEYSPACE_PER_TEST + " doesn't exist",
"CREATE OR REPLACE FUNCTION " + KEYSPACE_PER_TEST + ".jnft(val double) " +
"RETURNS NULL ON NULL INPUT " +
"RETURNS double " +
"LANGUAGE JAVA\n" +
"AS 'return null;';");
}
@Test
public void testWrongKeyspace() throws Throwable
{
String typeName = createType("CREATE TYPE %s (txt text, i int)");
String type = KEYSPACE + '.' + typeName;
assertInvalidMessage(String.format("Statement on keyspace %s cannot refer to a user type in keyspace %s; user types can only be used in the keyspace they are defined in",
KEYSPACE_PER_TEST, KEYSPACE),
"CREATE FUNCTION " + KEYSPACE_PER_TEST + ".test_wrong_ks( val int ) " +
"CALLED ON NULL INPUT " +
"RETURNS " + type + " " +
"LANGUAGE java\n" +
"AS $$return val;$$;");
assertInvalidMessage(String.format("Statement on keyspace %s cannot refer to a user type in keyspace %s; user types can only be used in the keyspace they are defined in",
KEYSPACE_PER_TEST, KEYSPACE),
"CREATE FUNCTION " + KEYSPACE_PER_TEST + ".test_wrong_ks( val " + type + " ) " +
"CALLED ON NULL INPUT " +
"RETURNS int " +
"LANGUAGE java\n" +
"AS $$return val;$$;");
}
@Test
public void testUserTypeDrop() throws Throwable
{
String type = KEYSPACE + '.' + createType("CREATE TYPE %s (txt text, i int)");
createTable("CREATE TABLE %s (key int primary key, udt frozen<" + type + ">)");
String fName = createFunction(KEYSPACE, type,
"CREATE FUNCTION %s( udt " + type + " ) " +
"CALLED ON NULL INPUT " +
"RETURNS int " +
"LANGUAGE java " +
"AS $$return " +
" Integer.valueOf(udt.getInt(\"i\"));$$;");
FunctionName fNameName = parseFunctionName(fName);
Assert.assertEquals(1, Schema.instance.getFunctions(fNameName).size());
ResultMessage.Prepared prepared = QueryProcessor.prepare(String.format("SELECT key, %s(udt) FROM %s.%s", fName, KEYSPACE, currentTable()),
ClientState.forInternalCalls());
Assert.assertNotNull(QueryProcessor.instance.getPrepared(prepared.statementId));
// UT still referenced by table
assertInvalidMessage("Cannot drop user type", "DROP TYPE " + type);
execute("DROP TABLE %s");
// UT still referenced by UDF
assertInvalidMessage("as it is still used by function", "DROP TYPE " + type);
Assert.assertNull(QueryProcessor.instance.getPrepared(prepared.statementId));
// function stays
Assert.assertEquals(1, Schema.instance.getFunctions(fNameName).size());
}
@Test
public void testDuplicateArgNames() throws Throwable
{
assertInvalidMessage("duplicate argument names for given function",
"CREATE OR REPLACE FUNCTION " + KEYSPACE + ".scrinv(val double, val text) " +
"RETURNS NULL ON NULL INPUT " +
"RETURNS text " +
"LANGUAGE javascript\n" +
"AS '\"foo bar\";';");
}
@Test
public void testReplaceAllowNulls() throws Throwable
{
String fNulls = createFunction(KEYSPACE,
"int",
"CREATE OR REPLACE FUNCTION %s(val int) " +
"CALLED ON NULL INPUT " +
"RETURNS text " +
"LANGUAGE java\n" +
"AS 'return \"foo bar\";';");
String fNoNulls = createFunction(KEYSPACE,
"int",
"CREATE OR REPLACE FUNCTION %s(val int) " +
"RETURNS NULL ON NULL INPUT " +
"RETURNS text " +
"LANGUAGE java\n" +
"AS 'return \"foo bar\";';");
assertInvalid("CREATE OR REPLACE FUNCTION " + fNulls + "(val int) " +
"RETURNS NULL ON NULL INPUT " +
"RETURNS text " +
"LANGUAGE java\n" +
"AS 'return \"foo bar\";';");
assertInvalid("CREATE OR REPLACE FUNCTION " + fNoNulls + "(val int) " +
"CALLED ON NULL INPUT " +
"RETURNS text " +
"LANGUAGE java\n" +
"AS 'return \"foo bar\";';");
execute("CREATE OR REPLACE FUNCTION " + fNulls + "(val int) " +
"CALLED ON NULL INPUT " +
"RETURNS text " +
"LANGUAGE java\n" +
"AS 'return \"foo bar\";';");
execute("CREATE OR REPLACE FUNCTION " + fNoNulls + "(val int) " +
"RETURNS NULL ON NULL INPUT " +
"RETURNS text " +
"LANGUAGE java\n" +
"AS 'return \"foo bar\";';");
}
@Test
public void testBrokenFunction() throws Throwable
{
createTable("CREATE TABLE %s (key int primary key, dval double)");
execute("INSERT INTO %s (key, dval) VALUES (?, ?)", 1, 1d);
String fName = createFunction(KEYSPACE_PER_TEST, "double",
"CREATE OR REPLACE FUNCTION %s(val double) " +
"RETURNS NULL ON NULL INPUT " +
"RETURNS double " +
"LANGUAGE JAVA\n" +
"AS 'throw new RuntimeException();';");
KeyspaceMetadata ksm = Schema.instance.getKeyspaceMetadata(KEYSPACE_PER_TEST);
UDFunction f = (UDFunction) ksm.functions.get(parseFunctionName(fName)).iterator().next();
UDFunction broken = UDFunction.createBrokenFunction(f.name(),
f.argNames(),
f.argTypes(),
f.returnType(),
true,
"java",
f.body(),
new InvalidRequestException("foo bar is broken"));
Schema.instance.load(ksm.withSwapped(ksm.functions.without(f.name(), f.argTypes()).with(broken)));
assertInvalidThrowMessage("foo bar is broken", InvalidRequestException.class,
"SELECT key, " + fName + "(dval) FROM %s");
}
@Test
public void testFunctionExecutionExceptionNet() throws Throwable
{
createTable("CREATE TABLE %s (key int primary key, dval double)");
execute("INSERT INTO %s (key, dval) VALUES (?, ?)", 1, 1d);
String fName = createFunction(KEYSPACE_PER_TEST, "double",
"CREATE OR REPLACE FUNCTION %s(val double) " +
"RETURNS NULL ON NULL INPUT " +
"RETURNS double " +
"LANGUAGE JAVA\n" +
"AS 'throw new RuntimeException();'");
for (ProtocolVersion version : PROTOCOL_VERSIONS)
{
try
{
assertRowsNet(version,
executeNet(version, "SELECT " + fName + "(dval) FROM %s WHERE key = 1"));
Assert.fail();
}
catch (com.datastax.driver.core.exceptions.FunctionExecutionException fee)
{
// Java driver neither throws FunctionExecutionException nor does it set the exception code correctly
Assert.assertTrue(version.isGreaterOrEqualTo(ProtocolVersion.V4));
}
catch (InvalidQueryException e)
{
Assert.assertTrue(version.isSmallerThan(ProtocolVersion.V4));
}
}
}
@Test
public void testEmptyString() throws Throwable
{
createTable("CREATE TABLE %s (key int primary key, sval text, aval ascii, bval blob, empty_int int)");
execute("INSERT INTO %s (key, sval, aval, bval, empty_int) VALUES (?, ?, ?, ?, blobAsInt(0x))", 1, "", "", ByteBuffer.allocate(0));
String fNameSRC = createFunction(KEYSPACE_PER_TEST, "text",
"CREATE OR REPLACE FUNCTION %s(val text) " +
"CALLED ON NULL INPUT " +
"RETURNS text " +
"LANGUAGE JAVA\n" +
"AS 'return val;'");
String fNameSCC = createFunction(KEYSPACE_PER_TEST, "text",
"CREATE OR REPLACE FUNCTION %s(val text) " +
"CALLED ON NULL INPUT " +
"RETURNS text " +
"LANGUAGE JAVA\n" +
"AS 'return \"\";'");
String fNameSRN = createFunction(KEYSPACE_PER_TEST, "text",
"CREATE OR REPLACE FUNCTION %s(val text) " +
"RETURNS NULL ON NULL INPUT " +
"RETURNS text " +
"LANGUAGE JAVA\n" +
"AS 'return val;'");
String fNameSCN = createFunction(KEYSPACE_PER_TEST, "text",
"CREATE OR REPLACE FUNCTION %s(val text) " +
"RETURNS NULL ON NULL INPUT " +
"RETURNS text " +
"LANGUAGE JAVA\n" +
"AS 'return \"\";'");
String fNameBRC = createFunction(KEYSPACE_PER_TEST, "blob",
"CREATE OR REPLACE FUNCTION %s(val blob) " +
"CALLED ON NULL INPUT " +
"RETURNS blob " +
"LANGUAGE JAVA\n" +
"AS 'return val;'");
String fNameBCC = createFunction(KEYSPACE_PER_TEST, "blob",
"CREATE OR REPLACE FUNCTION %s(val blob) " +
"CALLED ON NULL INPUT " +
"RETURNS blob " +
"LANGUAGE JAVA\n" +
"AS 'return ByteBuffer.allocate(0);'");
String fNameBRN = createFunction(KEYSPACE_PER_TEST, "blob",
"CREATE OR REPLACE FUNCTION %s(val blob) " +
"RETURNS NULL ON NULL INPUT " +
"RETURNS blob " +
"LANGUAGE JAVA\n" +
"AS 'return val;'");
String fNameBCN = createFunction(KEYSPACE_PER_TEST, "blob",
"CREATE OR REPLACE FUNCTION %s(val blob) " +
"RETURNS NULL ON NULL INPUT " +
"RETURNS blob " +
"LANGUAGE JAVA\n" +
"AS 'return ByteBuffer.allocate(0);'");
String fNameIRC = createFunction(KEYSPACE_PER_TEST, "int",
"CREATE OR REPLACE FUNCTION %s(val int) " +
"CALLED ON NULL INPUT " +
"RETURNS int " +
"LANGUAGE JAVA\n" +
"AS 'return val;'");
String fNameICC = createFunction(KEYSPACE_PER_TEST, "int",
"CREATE OR REPLACE FUNCTION %s(val int) " +
"CALLED ON NULL INPUT " +
"RETURNS int " +
"LANGUAGE JAVA\n" +
"AS 'return 0;'");
String fNameIRN = createFunction(KEYSPACE_PER_TEST, "int",
"CREATE OR REPLACE FUNCTION %s(val int) " +
"RETURNS NULL ON NULL INPUT " +
"RETURNS int " +
"LANGUAGE JAVA\n" +
"AS 'return val;'");
String fNameICN = createFunction(KEYSPACE_PER_TEST, "int",
"CREATE OR REPLACE FUNCTION %s(val int) " +
"RETURNS NULL ON NULL INPUT " +
"RETURNS int " +
"LANGUAGE JAVA\n" +
"AS 'return 0;'");
assertRows(execute("SELECT " + fNameSRC + "(sval) FROM %s"), row(""));
assertRows(execute("SELECT " + fNameSRN + "(sval) FROM %s"), row(""));
assertRows(execute("SELECT " + fNameSCC + "(sval) FROM %s"), row(""));
assertRows(execute("SELECT " + fNameSCN + "(sval) FROM %s"), row(""));
assertRows(execute("SELECT " + fNameSRC + "(aval) FROM %s"), row(""));
assertRows(execute("SELECT " + fNameSRN + "(aval) FROM %s"), row(""));
assertRows(execute("SELECT " + fNameSCC + "(aval) FROM %s"), row(""));
assertRows(execute("SELECT " + fNameSCN + "(aval) FROM %s"), row(""));
assertRows(execute("SELECT " + fNameBRC + "(bval) FROM %s"), row(ByteBufferUtil.EMPTY_BYTE_BUFFER));
assertRows(execute("SELECT " + fNameBRN + "(bval) FROM %s"), row(ByteBufferUtil.EMPTY_BYTE_BUFFER));
assertRows(execute("SELECT " + fNameBCC + "(bval) FROM %s"), row(ByteBufferUtil.EMPTY_BYTE_BUFFER));
assertRows(execute("SELECT " + fNameBCN + "(bval) FROM %s"), row(ByteBufferUtil.EMPTY_BYTE_BUFFER));
assertRows(execute("SELECT " + fNameIRC + "(empty_int) FROM %s"), row(new Object[]{ null }));
assertRows(execute("SELECT " + fNameIRN + "(empty_int) FROM %s"), row(new Object[]{ null }));
assertRows(execute("SELECT " + fNameICC + "(empty_int) FROM %s"), row(0));
assertRows(execute("SELECT " + fNameICN + "(empty_int) FROM %s"), row(new Object[]{ null }));
}
}