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* regarding copyright ownership. Some portions may be licensed
* to Red Hat, Inc. under one or more contributor license agreements.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
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* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
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package org.teiid.query.processor;
import static org.junit.Assert.*;
import static org.teiid.query.processor.TestProcessor.*;
import static org.teiid.query.resolver.TestResolver.*;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import org.junit.Test;
import org.teiid.adminapi.impl.SessionMetadata;
import org.teiid.api.exception.query.QueryResolverException;
import org.teiid.core.TeiidComponentException;
import org.teiid.core.TeiidProcessingException;
import org.teiid.core.types.ArrayImpl;
import org.teiid.core.types.DataTypeManager;
import org.teiid.core.util.UnitTestUtil;
import org.teiid.query.metadata.TransformationMetadata;
import org.teiid.query.optimizer.TestOptimizer;
import org.teiid.query.optimizer.capabilities.BasicSourceCapabilities;
import org.teiid.query.optimizer.capabilities.DefaultCapabilitiesFinder;
import org.teiid.query.optimizer.capabilities.SourceCapabilities.Capability;
import org.teiid.query.parser.TestParser;
import org.teiid.query.resolver.QueryResolver;
import org.teiid.query.rewriter.QueryRewriter;
import org.teiid.query.sql.lang.Command;
import org.teiid.query.sql.symbol.Array;
import org.teiid.query.sql.symbol.Constant;
import org.teiid.query.sql.symbol.Expression;
import org.teiid.query.sql.util.SymbolMap;
import org.teiid.query.tempdata.TempTableStore;
import org.teiid.query.unittest.RealMetadataFactory;
import org.teiid.query.util.CommandContext;
@SuppressWarnings("nls")
public class TestArrayProcessing {
@Test public void testArrayCast() throws Exception {
String sql = "select cast(cast((1,2) as object) as integer[])"; //$NON-NLS-1$
helpResolve(sql, RealMetadataFactory.example1Cached());
//should succeed
sql = "select cast(cast((1,2) as object) as integer[])"; //$NON-NLS-1$
HardcodedDataManager dataManager = new HardcodedDataManager();
ProcessorPlan plan = helpGetPlan(helpParse(sql), RealMetadataFactory.exampleBQTCached());
helpProcess(plan, dataManager, null);
//should fail
sql = "select cast(cast((1,2) as object) as string[])"; //$NON-NLS-1$
try {
helpGetPlan(helpParse(sql), RealMetadataFactory.exampleBQTCached(), DefaultCapabilitiesFinder.INSTANCE, createCommandContext());
fail();
} catch (TeiidProcessingException e) {
}
}
@Test public void testArrayComparison() {
String sql = "select count(e1) from pm1.g1 where (e1, e2) = ('a', 1)";
HardcodedDataManager dataManager = new HardcodedDataManager();
dataManager.addData("SELECT pm1.g1.e1, pm1.g1.e2 FROM pm1.g1", Arrays.asList("a", 2), Arrays.asList("a", 1));
ProcessorPlan plan = helpGetPlan(helpParse(sql), RealMetadataFactory.example1Cached());
helpProcess(plan, dataManager, new List<?>[] {Arrays.asList(1)});
dataManager = new HardcodedDataManager(RealMetadataFactory.example1Cached());
dataManager.addData("SELECT g_0.e1 FROM g1 AS g_0 WHERE (g_0.e1, g_0.e2) = ('a', 1)", Arrays.asList("a"));
BasicSourceCapabilities bsc = TestOptimizer.getTypicalCapabilities();
bsc.setCapabilitySupport(Capability.ARRAY_TYPE, true);
plan = helpGetPlan(helpParse(sql), RealMetadataFactory.example1Cached(), new DefaultCapabilitiesFinder(bsc));
helpProcess(plan, dataManager, new List<?>[] {Arrays.asList(1)});
}
@Test public void testArraySort() {
String sql = "select (e1, e2) from pm1.g1 order by (e1, e2), e3";
HardcodedDataManager dataManager = new HardcodedDataManager();
dataManager.addData("SELECT pm1.g1.e1, pm1.g1.e2, pm1.g1.e3 FROM pm1.g1", Arrays.asList("b", 4, true), Arrays.asList("a", 2, true), Arrays.asList("a", 1, false));
ProcessorPlan plan = helpGetPlan(helpParse(sql), RealMetadataFactory.example1Cached());
helpProcess(plan, dataManager, new List<?>[] {Arrays.asList(new ArrayImpl("a", 1)),
Arrays.asList(new ArrayImpl("a", 2)),
Arrays.asList(new ArrayImpl("b", 4))});
}
@Test public void testArrayGetTyping() {
String sql = "select array_agg(e1)[1], array_agg(e2)[3] from pm1.g1"; //$NON-NLS-1$
Command command = helpResolve(sql, RealMetadataFactory.example1Cached());
assertEquals(DataTypeManager.DefaultDataClasses.STRING, command.getProjectedSymbols().get(0).getType());
assertEquals(DataTypeManager.DefaultDataClasses.INTEGER, command.getProjectedSymbols().get(1).getType());
}
@Test(expected=QueryResolverException.class) public void testArrayGetTypingFails() throws QueryResolverException, TeiidComponentException {
String sql = "select array_agg(e1)[1][2] from pm1.g1"; //$NON-NLS-1$
QueryResolver.resolveCommand(helpParse(sql), RealMetadataFactory.example1Cached());
}
@Test public void testArrayParsing() throws Exception {
TestParser.helpTestExpression("()", "()", new Array(new ArrayList<Expression>()));
TestParser.helpTestExpression("(,)", "()", new Array(new ArrayList<Expression>()));
TestParser.helpTestExpression("(1,)", "(1,)", new Array(Arrays.asList((Expression)new Constant(1))));
TestParser.helpTestExpression("(1,2)", "(1, 2)", new Array(Arrays.asList((Expression)new Constant(1), (Expression)new Constant(2))));
TestParser.helpTestExpression("(1,2,)", "(1, 2)", new Array(Arrays.asList((Expression)new Constant(1), (Expression)new Constant(2))));
}
@Test public void testArrayEquivalence() throws Exception {
Array a1 = new Array(new ArrayList<Expression>());
UnitTestUtil.helpTestEquivalence(0, a1, a1);
Array a2 = new Array(Arrays.asList((Expression)new Constant(1)));
UnitTestUtil.helpTestEquivalence(1, a1, a2);
}
@Test public void testArrayTable() throws Exception {
String sql = "select x.* from arraytable(('a', 2-1, {d'2001-01-01'}) COLUMNS x string, y integer) x"; //$NON-NLS-1$
List[] expected = new List[] {
Arrays.asList("a", 1),
};
ProcessorPlan plan = helpGetPlan(helpParse(sql), RealMetadataFactory.example1Cached());
helpProcess(plan, new HardcodedDataManager(), expected);
}
@Test public void testMultiDimensionalGet() throws Exception {
String sql = "select -((e2, e2), (e2, e2))[1][1] from pm1.g1"; //$NON-NLS-1$
QueryResolver.resolveCommand(helpParse(sql), RealMetadataFactory.example1Cached());
Command command = helpResolve(sql, RealMetadataFactory.example1Cached());
assertEquals(DataTypeManager.DefaultDataClasses.INTEGER, command.getProjectedSymbols().get(0).getType());
}
@Test public void testMultiDimensionalCast() throws Exception {
String sql = "select cast( ((e2, e2), (e2, e2)) as object[]) from pm1.g1"; //$NON-NLS-1$
QueryResolver.resolveCommand(helpParse(sql), RealMetadataFactory.example1Cached());
Command command = helpResolve(sql, RealMetadataFactory.example1Cached());
assertEquals(Object[].class, command.getProjectedSymbols().get(0).getType());
ProcessorPlan pp = TestProcessor.helpGetPlan(command, RealMetadataFactory.example1Cached(), TestOptimizer.getGenericFinder());
HardcodedDataManager dataManager = new HardcodedDataManager();
dataManager.addData("SELECT g_0.e2 FROM pm1.g1 AS g_0", Arrays.asList(1), Arrays.asList(2));
TestProcessor.helpProcess(pp, dataManager, new List[] {
Arrays.asList(new ArrayImpl((Object[])new Integer[][] {new Integer[] {1,1}, new Integer[] {1,1}})),
Arrays.asList(new ArrayImpl((Object[])new Integer[][] {new Integer[] {2,2}, new Integer[] {2,2}}))});
sql = "select cast(cast( ((e2, e2), (e2, e2)) as object[]) as integer[][]) from pm1.g1"; //$NON-NLS-1$
QueryResolver.resolveCommand(helpParse(sql), RealMetadataFactory.example1Cached());
command = helpResolve(sql, RealMetadataFactory.example1Cached());
assertEquals(Integer[][].class, command.getProjectedSymbols().get(0).getType());
}
@Test public void testMultiDimensionalArrayRewrite() throws Exception {
String sql = "select (('a', 'b'),('c','d'))"; //$NON-NLS-1$
QueryResolver.resolveCommand(helpParse(sql), RealMetadataFactory.example1Cached());
Command command = helpResolve(sql, RealMetadataFactory.example1Cached());
assertEquals(String[][].class, command.getProjectedSymbols().get(0).getType());
command = QueryRewriter.rewrite(command, RealMetadataFactory.example1Cached(), null);
Expression ex = SymbolMap.getExpression(command.getProjectedSymbols().get(0));
Constant c = (Constant)ex;
assertTrue(c.getValue() instanceof ArrayImpl);
}
@Test public void testArrayResolvingNull() throws Exception {
String sql = "select (null, 'a')"; //$NON-NLS-1$
QueryResolver.resolveCommand(helpParse(sql), RealMetadataFactory.example1Cached());
Command command = helpResolve(sql, RealMetadataFactory.example1Cached());
assertEquals(String[].class, command.getProjectedSymbols().get(0).getType());
sql = "select ((null,), ('a',))"; //$NON-NLS-1$
QueryResolver.resolveCommand(helpParse(sql), RealMetadataFactory.example1Cached());
command = helpResolve(sql, RealMetadataFactory.example1Cached());
assertEquals(String[][].class, command.getProjectedSymbols().get(0).getType());
}
@Test public void testQuantifiedCompareRewrite() throws Exception {
String sql = "select 'a' < ALL (('b','c'))"; //$NON-NLS-1$
QueryResolver.resolveCommand(helpParse(sql), RealMetadataFactory.example1Cached());
Command command = helpResolve(sql, RealMetadataFactory.example1Cached());
assertEquals("SELECT 'a' < ALL (('b', 'c'))", command.toString());
command = QueryRewriter.rewrite(command, RealMetadataFactory.example1Cached(), null);
assertEquals("SELECT TRUE", command.toString());
sql = "select 'a' < ALL ((null,'c'))"; //$NON-NLS-1$
QueryResolver.resolveCommand(helpParse(sql), RealMetadataFactory.example1Cached());
command = helpResolve(sql, RealMetadataFactory.example1Cached());
command = QueryRewriter.rewrite(command, RealMetadataFactory.example1Cached(), null);
assertEquals("SELECT UNKNOWN", command.toString());
}
@Test(expected=QueryResolverException.class) public void testQuantifiedCompareResolving() throws Exception {
String sql = "select 'a' < ALL ('b')"; //$NON-NLS-1$
QueryResolver.resolveCommand(helpParse(sql), RealMetadataFactory.example1Cached());
}
@Test(expected=QueryResolverException.class) public void testQuantifiedCompareResolving1() throws Exception {
String sql = "select 1 < ALL (('1', '2'))"; //$NON-NLS-1$
TransformationMetadata tm = RealMetadataFactory.example1Cached().getDesignTimeMetadata();
tm.setWidenComparisonToString(false);
QueryResolver.resolveCommand(helpParse(sql), tm);
}
@Test public void testQuantifiedCompareResolving2() throws Exception {
String sql = "select '1' < ALL (cast(? as integer[]))"; //$NON-NLS-1$
TransformationMetadata tm = RealMetadataFactory.example1Cached().getDesignTimeMetadata();
tm.setWidenComparisonToString(false);
Command command = helpParse(sql);
QueryResolver.resolveCommand(command, tm);
command = QueryRewriter.rewrite(command, tm, null);
assertEquals("SELECT 1 < ALL (?)", command.toString());
}
@Test public void testQuantifiedCompareProcessing() throws Exception {
String sql = "select e2 from pm1.g1 where e1 = some (('a', 'b'))"; //$NON-NLS-1$
Command command = helpParse(sql);
ProcessorPlan pp = TestProcessor.helpGetPlan(command, RealMetadataFactory.example1Cached(), TestOptimizer.getGenericFinder());
HardcodedDataManager dataManager = new HardcodedDataManager();
dataManager.addData("SELECT g_0.e1, g_0.e2 FROM pm1.g1 AS g_0", Arrays.asList("a", 1), Arrays.asList("c", 2));
TestProcessor.helpProcess(pp, dataManager, new List[] {Arrays.asList(1)});
}
@Test public void testNestedArrayAgg() throws Exception {
String sql = "select array_agg((e1, e2)) from pm1.g1"; //$NON-NLS-1$
Command command = helpParse(sql);
ProcessorPlan pp = TestProcessor.helpGetPlan(command, RealMetadataFactory.example1Cached(), TestOptimizer.getGenericFinder());
HardcodedDataManager dataManager = new HardcodedDataManager();
dataManager.addData("SELECT g_0.e1, g_0.e2 FROM pm1.g1 AS g_0", Arrays.asList("a", 1), Arrays.asList("c", 2));
TestProcessor.helpProcess(pp, dataManager, new List[] {Arrays.asList(new ArrayImpl(new Object[] {"a", 1}, new Object[] {"c", 2}))});
}
@Test(expected=TeiidProcessingException.class) public void testLargeArrays() throws Exception {
String sql = "WITH t(n) AS ( VALUES (1) UNION ALL SELECT n+1 FROM t WHERE n < 70000 ) SELECT array_agg((n, n, n, n, n)) FROM t;"; //$NON-NLS-1$
List<?>[] expected = new List[] {
Arrays.asList(2080l),
};
FakeDataManager dataManager = new FakeDataManager();
dataManager.setBlockOnce();
sampleData1(dataManager);
ProcessorPlan plan = helpGetPlan(helpParse(sql), RealMetadataFactory.example1Cached());
CommandContext cc = createCommandContext();
cc.setSession(new SessionMetadata());
cc.setSessionVariable(TempTableStore.TEIID_MAX_RECURSION, 100000);
helpProcess(plan, cc, dataManager, expected);
}
@Test public void testArrayProjection() throws Exception {
String sql = "SELECT e1, (e2, e3) FROM pm1.g1";
BasicSourceCapabilities bsc = new BasicSourceCapabilities();
bsc.setCapabilitySupport(Capability.QUERY_SELECT_EXPRESSION, true);
bsc.setCapabilitySupport(Capability.ARRAY_TYPE, true);
ProcessorPlan pp = TestProcessor.helpGetPlan(sql, RealMetadataFactory.example1Cached(), new DefaultCapabilitiesFinder(bsc));
HardcodedDataManager dataManager = new HardcodedDataManager();
dataManager.addData("SELECT pm1.g1.e1, pm1.g1.e2, pm1.g1.e3 FROM pm1.g1", Arrays.asList("a", 1, false));
TestProcessor.helpProcess(pp, dataManager, new List[] {Arrays.asList("a", new ArrayImpl(1, false))});
bsc.setCapabilitySupport(Capability.QUERY_SELECT_EXPRESSION_ARRAY_TYPE, true);
pp = TestProcessor.helpGetPlan(sql, RealMetadataFactory.example1Cached(), new DefaultCapabilitiesFinder(bsc));
dataManager.addData("SELECT pm1.g1.e1, (pm1.g1.e2, pm1.g1.e3) FROM pm1.g1", Arrays.asList("a", new ArrayImpl(1, false)));
TestProcessor.helpProcess(pp, dataManager, new List[] {Arrays.asList("a", new ArrayImpl(1, false))});
}
/**
* TODO
@Test public void testArrayLobs() {
//ensure that we introspect arrays for lob references
}
*/
}