| /* |
| * 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.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.config.Schema; |
| 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.exceptions.SyntaxException; |
| import org.apache.cassandra.schema.KeyspaceMetadata; |
| import org.apache.cassandra.service.ClientState; |
| import org.apache.cassandra.transport.*; |
| import org.apache.cassandra.transport.ProtocolVersion; |
| import org.apache.cassandra.transport.messages.ResultMessage; |
| |
| 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(), false); |
| ResultMessage.Prepared preparedSelect2 = QueryProcessor.prepare( |
| String.format("SELECT key FROM %s.%s", KEYSPACE, currentTable()), |
| ClientState.forInternalCalls(), false); |
| ResultMessage.Prepared preparedInsert1 = QueryProcessor.prepare( |
| String.format("INSERT INTO %s.%s (key, d) VALUES (?, %s(?))", KEYSPACE, currentTable(), fSin), |
| ClientState.forInternalCalls(), false); |
| ResultMessage.Prepared preparedInsert2 = QueryProcessor.prepare( |
| String.format("INSERT INTO %s.%s (key, d) VALUES (?, ?)", KEYSPACE, currentTable()), |
| ClientState.forInternalCalls(), false); |
| |
| 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(), false); |
| preparedInsert1 = QueryProcessor.prepare( |
| String.format("INSERT INTO %s.%s (key, d) VALUES (?, %s(?))", KEYSPACE, currentTable(), fSin), |
| ClientState.forInternalCalls(), false); |
| 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(), false); |
| 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(), false); |
| 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(), false); |
| 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(), false); |
| 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.getKSMetaData(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.setKeyspaceMetadata(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 testArgumentGenerics() throws Throwable |
| { |
| createTable("CREATE TABLE %s (key int primary key, sval text, aval ascii, bval blob, empty_int int)"); |
| |
| String typeName = createType("CREATE TYPE %s (txt text, i int)"); |
| |
| createFunction(KEYSPACE, "map<text,bigint>,list<text>", |
| "CREATE FUNCTION IF NOT EXISTS %s(state map<text,bigint>, styles list<text>)\n" + |
| " RETURNS NULL ON NULL INPUT\n" + |
| " RETURNS map<text,bigint>\n" + |
| " LANGUAGE java\n" + |
| " AS $$\n" + |
| " for (String style : styles) {\n" + |
| " if (state.containsKey(style)) {\n" + |
| " state.put(style, state.get(style) + 1L);\n" + |
| " } else {\n" + |
| " state.put(style, 1L);\n" + |
| " }\n" + |
| " }\n" + |
| " return state;\n" + |
| " $$"); |
| |
| createFunction(KEYSPACE, "text", |
| "CREATE OR REPLACE FUNCTION %s(" + |
| " listText list<text>," + |
| " setText set<text>," + |
| " mapTextInt map<text, int>," + |
| " mapListTextSetInt map<frozen<list<text>>, frozen<set<int>>>," + |
| " mapTextTuple map<text, frozen<tuple<int, text>>>," + |
| " mapTextType map<text, frozen<" + typeName + ">>" + |
| ") " + |
| "CALLED ON NULL INPUT " + |
| "RETURNS map<frozen<list<text>>, frozen<set<int>>> " + |
| "LANGUAGE JAVA\n" + |
| "AS $$" + |
| " for (String s : listtext) {};" + |
| " for (String s : settext) {};" + |
| " for (String s : maptextint.keySet()) {};" + |
| " for (Integer s : maptextint.values()) {};" + |
| " for (java.util.List<String> l : maplisttextsetint.keySet()) {};" + |
| " for (java.util.Set<Integer> s : maplisttextsetint.values()) {};" + |
| " for (com.datastax.driver.core.TupleValue t : maptexttuple.values()) {};" + |
| " for (com.datastax.driver.core.UDTValue u : maptexttype.values()) {};" + |
| " return maplisttextsetint;" + |
| "$$"); |
| } |
| |
| @Test |
| public void testArgAndReturnTypes() throws Throwable |
| { |
| |
| String type = KEYSPACE + '.' + createType("CREATE TYPE %s (txt text, i int)"); |
| |
| createTable("CREATE TABLE %s (key int primary key, udt frozen<" + type + ">)"); |
| execute("INSERT INTO %s (key, udt) VALUES (1, {txt: 'foo', i: 42})"); |
| |
| // Java UDFs |
| |
| String f = createFunction(KEYSPACE, "int", |
| "CREATE OR REPLACE FUNCTION %s(val int) " + |
| "RETURNS NULL ON NULL INPUT " + |
| "RETURNS " + type + ' ' + |
| "LANGUAGE JAVA\n" + |
| "AS 'return udfContext.newReturnUDTValue();';"); |
| |
| assertRows(execute("SELECT " + f + "(key) FROM %s"), |
| row(userType("txt", null, "i", null))); |
| |
| f = createFunction(KEYSPACE, "int", |
| "CREATE OR REPLACE FUNCTION %s(val " + type + ") " + |
| "RETURNS NULL ON NULL INPUT " + |
| "RETURNS " + type + ' ' + |
| "LANGUAGE JAVA\n" + |
| "AS $$" + |
| " com.datastax.driver.core.UDTValue udt = udfContext.newArgUDTValue(\"val\");" + |
| " udt.setString(\"txt\", \"baz\");" + |
| " udt.setInt(\"i\", 88);" + |
| " return udt;" + |
| "$$;"); |
| |
| assertRows(execute("SELECT " + f + "(udt) FROM %s"), |
| row(userType("txt", "baz", "i", 88))); |
| |
| f = createFunction(KEYSPACE, "int", |
| "CREATE OR REPLACE FUNCTION %s(val " + type + ") " + |
| "RETURNS NULL ON NULL INPUT " + |
| "RETURNS tuple<text, int>" + |
| "LANGUAGE JAVA\n" + |
| "AS $$" + |
| " com.datastax.driver.core.TupleValue tv = udfContext.newReturnTupleValue();" + |
| " tv.setString(0, \"baz\");" + |
| " tv.setInt(1, 88);" + |
| " return tv;" + |
| "$$;"); |
| |
| assertRows(execute("SELECT " + f + "(udt) FROM %s"), |
| row(tuple("baz", 88))); |
| |
| // JavaScript UDFs |
| |
| f = createFunction(KEYSPACE, "int", |
| "CREATE OR REPLACE FUNCTION %s(val int) " + |
| "RETURNS NULL ON NULL INPUT " + |
| "RETURNS " + type + ' ' + |
| "LANGUAGE JAVASCRIPT\n" + |
| "AS $$" + |
| " udt = udfContext.newReturnUDTValue();" + |
| " udt;" + |
| "$$;"); |
| |
| assertRows(execute("SELECT " + f + "(key) FROM %s"), |
| row(userType("txt", null, "i", null))); |
| |
| f = createFunction(KEYSPACE, "int", |
| "CREATE OR REPLACE FUNCTION %s(val " + type + ") " + |
| "RETURNS NULL ON NULL INPUT " + |
| "RETURNS " + type + ' ' + |
| "LANGUAGE JAVASCRIPT\n" + |
| "AS $$" + |
| " udt = udfContext.newArgUDTValue(0);" + |
| " udt.setString(\"txt\", \"baz\");" + |
| " udt.setInt(\"i\", 88);" + |
| " udt;" + |
| "$$;"); |
| |
| assertRows(execute("SELECT " + f + "(udt) FROM %s"), |
| row(userType("txt", "baz", "i", 88))); |
| |
| f = createFunction(KEYSPACE, "int", |
| "CREATE OR REPLACE FUNCTION %s(val " + type + ") " + |
| "RETURNS NULL ON NULL INPUT " + |
| "RETURNS tuple<text, int>" + |
| "LANGUAGE JAVASCRIPT\n" + |
| "AS $$" + |
| " tv = udfContext.newReturnTupleValue();" + |
| " tv.setString(0, \"baz\");" + |
| " tv.setInt(1, 88);" + |
| " tv;" + |
| "$$;"); |
| |
| assertRows(execute("SELECT " + f + "(udt) FROM %s"), |
| row(tuple("baz", 88))); |
| |
| createFunction(KEYSPACE, "map", |
| "CREATE FUNCTION %s(my_map map<text, text>)\n" + |
| " CALLED ON NULL INPUT\n" + |
| " RETURNS text\n" + |
| " LANGUAGE java\n" + |
| " AS $$\n" + |
| " String buffer = \"\";\n" + |
| " for(java.util.Map.Entry<String, String> entry: my_map.entrySet()) {\n" + |
| " buffer = buffer + entry.getKey() + \": \" + entry.getValue() + \", \";\n" + |
| " }\n" + |
| " return buffer;\n" + |
| " $$;\n"); |
| } |
| |
| @Test |
| public void testImportJavaUtil() throws Throwable |
| { |
| createFunction(KEYSPACE, "list<text>", |
| "CREATE OR REPLACE FUNCTION %s(listText list<text>) " + |
| "CALLED ON NULL INPUT " + |
| "RETURNS set<text> " + |
| "LANGUAGE JAVA\n" + |
| "AS $$\n" + |
| " Set<String> set = new HashSet<String>(); " + |
| " for (String s : listtext) {" + |
| " set.add(s);" + |
| " }" + |
| " return set;" + |
| "$$"); |
| |
| } |
| |
| @Test |
| public void testAnyUserTupleType() throws Throwable |
| { |
| createTable("CREATE TABLE %s (key int primary key, sval text)"); |
| execute("INSERT INTO %s (key, sval) VALUES (1, 'foo')"); |
| |
| String udt = createType("CREATE TYPE %s (a int, b text, c bigint)"); |
| |
| String fUdt = createFunction(KEYSPACE, "text", |
| "CREATE OR REPLACE FUNCTION %s(arg text) " + |
| "CALLED ON NULL INPUT " + |
| "RETURNS " + udt + " " + |
| "LANGUAGE JAVA\n" + |
| "AS $$\n" + |
| " UDTValue udt = udfContext.newUDTValue(\"" + udt + "\");" + |
| " udt.setInt(\"a\", 42);" + |
| " udt.setString(\"b\", \"42\");" + |
| " udt.setLong(\"c\", 4242);" + |
| " return udt;" + |
| "$$"); |
| |
| assertRows(execute("SELECT " + fUdt + "(sval) FROM %s"), |
| row(userType("a", 42, "b", "42", "c", 4242L))); |
| |
| String fTup = createFunction(KEYSPACE, "text", |
| "CREATE OR REPLACE FUNCTION %s(arg text) " + |
| "CALLED ON NULL INPUT " + |
| "RETURNS tuple<int, " + udt + "> " + |
| "LANGUAGE JAVA\n" + |
| "AS $$\n" + |
| " UDTValue udt = udfContext.newUDTValue(\"" + udt + "\");" + |
| " udt.setInt(\"a\", 42);" + |
| " udt.setString(\"b\", \"42\");" + |
| " udt.setLong(\"c\", 4242);" + |
| " TupleValue tup = udfContext.newTupleValue(\"tuple<int," + udt + ">\");" + |
| " tup.setInt(0, 88);" + |
| " tup.setUDTValue(1, udt);" + |
| " return tup;" + |
| "$$"); |
| |
| assertRows(execute("SELECT " + fTup + "(sval) FROM %s"), |
| row(tuple(88, userType("a", 42, "b", "42", "c", 4242L)))); |
| } |
| |
| @Test(expected = SyntaxException.class) |
| public void testEmptyFunctionName() throws Throwable |
| { |
| execute("CREATE FUNCTION IF NOT EXISTS " + KEYSPACE + ".\"\" (arg int)\n" + |
| " RETURNS NULL ON NULL INPUT\n" + |
| " RETURNS int\n" + |
| " LANGUAGE java\n" + |
| " AS $$\n" + |
| " return a;\n" + |
| " $$"); |
| } |
| |
| @Test(expected = SyntaxException.class) |
| public void testEmptyArgName() throws Throwable |
| { |
| execute("CREATE FUNCTION IF NOT EXISTS " + KEYSPACE + ".myfn (\"\" int)\n" + |
| " RETURNS NULL ON NULL INPUT\n" + |
| " RETURNS int\n" + |
| " LANGUAGE java\n" + |
| " AS $$\n" + |
| " return a;\n" + |
| " $$"); |
| } |
| } |
