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/*
* 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.phoenix.end2end;
import static org.apache.phoenix.util.TestUtil.TEST_PROPERTIES;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.Statement;
import java.util.Properties;
import org.apache.phoenix.util.PropertiesUtil;
import org.apache.phoenix.util.QueryUtil;
import org.junit.Test;
public class SortMergeJoinMoreIT extends ParallelStatsDisabledIT {
@Test
public void testJoinOverSaltedTables() throws Exception {
String tempTableNoSalting = "TEMP_TABLE_NO_SALTING" + generateUniqueName();
String tempTableWithSalting = "TEMP_TABLE_WITH_SALTING" + generateUniqueName();
Properties props = PropertiesUtil.deepCopy(TEST_PROPERTIES);
Connection conn = DriverManager.getConnection(getUrl(), props);
try {
conn.createStatement().execute("CREATE TABLE " + tempTableNoSalting
+ " (mypk INTEGER NOT NULL PRIMARY KEY, "
+ " col1 INTEGER)");
conn.createStatement().execute("CREATE TABLE " + tempTableWithSalting
+ " (mypk INTEGER NOT NULL PRIMARY KEY, "
+ " col1 INTEGER) SALT_BUCKETS=4");
PreparedStatement upsertStmt = conn.prepareStatement(
"upsert into " + tempTableNoSalting + "(mypk, col1) " + "values (?, ?)");
for (int i = 0; i < 3; i++) {
upsertStmt.setInt(1, i + 1);
upsertStmt.setInt(2, 3 - i);
upsertStmt.execute();
}
conn.commit();
upsertStmt = conn.prepareStatement(
"upsert into " + tempTableWithSalting + "(mypk, col1) " + "values (?, ?)");
for (int i = 0; i < 6; i++) {
upsertStmt.setInt(1, i + 1);
upsertStmt.setInt(2, 3 - (i % 3));
upsertStmt.execute();
}
conn.commit();
// LHS=unsalted JOIN RHS=salted
String query = "SELECT /*+ USE_SORT_MERGE_JOIN*/ lhs.mypk, lhs.col1, rhs.mypk, rhs.col1 FROM "
+ tempTableNoSalting + " lhs JOIN "
+ tempTableWithSalting + " rhs ON rhs.mypk = lhs.col1 ORDER BY lhs.mypk";
PreparedStatement statement = conn.prepareStatement(query);
ResultSet rs = statement.executeQuery();
assertTrue(rs.next());
assertEquals(rs.getInt(1), 1);
assertEquals(rs.getInt(2), 3);
assertEquals(rs.getInt(3), 3);
assertEquals(rs.getInt(4), 1);
assertTrue(rs.next());
assertEquals(rs.getInt(1), 2);
assertEquals(rs.getInt(2), 2);
assertEquals(rs.getInt(3), 2);
assertEquals(rs.getInt(4), 2);
assertTrue(rs.next());
assertEquals(rs.getInt(1), 3);
assertEquals(rs.getInt(2), 1);
assertEquals(rs.getInt(3), 1);
assertEquals(rs.getInt(4), 3);
assertFalse(rs.next());
// LHS=salted JOIN RHS=salted
query = "SELECT /*+ USE_SORT_MERGE_JOIN*/ lhs.mypk, lhs.col1, rhs.mypk, rhs.col1 FROM "
+ tempTableWithSalting + " lhs JOIN "
+ tempTableNoSalting + " rhs ON rhs.mypk = lhs.col1 ORDER BY lhs.mypk";
statement = conn.prepareStatement(query);
rs = statement.executeQuery();
assertTrue(rs.next());
assertEquals(rs.getInt(1), 1);
assertEquals(rs.getInt(2), 3);
assertEquals(rs.getInt(3), 3);
assertEquals(rs.getInt(4), 1);
assertTrue(rs.next());
assertEquals(rs.getInt(1), 2);
assertEquals(rs.getInt(2), 2);
assertEquals(rs.getInt(3), 2);
assertEquals(rs.getInt(4), 2);
assertTrue(rs.next());
assertEquals(rs.getInt(1), 3);
assertEquals(rs.getInt(2), 1);
assertEquals(rs.getInt(3), 1);
assertEquals(rs.getInt(4), 3);
assertTrue(rs.next());
assertEquals(rs.getInt(1), 4);
assertEquals(rs.getInt(2), 3);
assertEquals(rs.getInt(3), 3);
assertEquals(rs.getInt(4), 1);
assertTrue(rs.next());
assertEquals(rs.getInt(1), 5);
assertEquals(rs.getInt(2), 2);
assertEquals(rs.getInt(3), 2);
assertEquals(rs.getInt(4), 2);
assertTrue(rs.next());
assertEquals(rs.getInt(1), 6);
assertEquals(rs.getInt(2), 1);
assertEquals(rs.getInt(3), 1);
assertEquals(rs.getInt(4), 3);
assertFalse(rs.next());
// LHS=salted JOIN RHS=salted
query = "SELECT /*+ USE_SORT_MERGE_JOIN*/ lhs.mypk, lhs.col1, rhs.mypk, rhs.col1 FROM "
+ tempTableWithSalting + " lhs JOIN "
+ tempTableWithSalting + " rhs ON rhs.mypk = (lhs.col1 + 3) ORDER BY lhs.mypk";
statement = conn.prepareStatement(query);
rs = statement.executeQuery();
assertTrue(rs.next());
assertEquals(rs.getInt(1), 1);
assertEquals(rs.getInt(2), 3);
assertEquals(rs.getInt(3), 6);
assertEquals(rs.getInt(4), 1);
assertTrue(rs.next());
assertEquals(rs.getInt(1), 2);
assertEquals(rs.getInt(2), 2);
assertEquals(rs.getInt(3), 5);
assertEquals(rs.getInt(4), 2);
assertTrue(rs.next());
assertEquals(rs.getInt(1), 3);
assertEquals(rs.getInt(2), 1);
assertEquals(rs.getInt(3), 4);
assertEquals(rs.getInt(4), 3);
assertTrue(rs.next());
assertEquals(rs.getInt(1), 4);
assertEquals(rs.getInt(2), 3);
assertEquals(rs.getInt(3), 6);
assertEquals(rs.getInt(4), 1);
assertTrue(rs.next());
assertEquals(rs.getInt(1), 5);
assertEquals(rs.getInt(2), 2);
assertEquals(rs.getInt(3), 5);
assertEquals(rs.getInt(4), 2);
assertTrue(rs.next());
assertEquals(rs.getInt(1), 6);
assertEquals(rs.getInt(2), 1);
assertEquals(rs.getInt(3), 4);
assertEquals(rs.getInt(4), 3);
assertFalse(rs.next());
} finally {
conn.close();
}
}
@Test
public void testJoinOnDynamicColumns() throws Exception {
String tableA = generateUniqueName();
String tableB = generateUniqueName();
Properties props = PropertiesUtil.deepCopy(TEST_PROPERTIES);
Connection conn = null;
PreparedStatement stmt = null;
try {
conn = DriverManager.getConnection(getUrl(), props);
String ddlA = "CREATE TABLE " + tableA + " (pkA INTEGER NOT NULL, " + " colA1 INTEGER, "
+ " colA2 VARCHAR " + "CONSTRAINT PK PRIMARY KEY" + "(pkA)" + ")";
String ddlB = "CREATE TABLE " + tableB + " (pkB INTEGER NOT NULL PRIMARY KEY, " + " colB INTEGER)";
conn.createStatement().execute(ddlA);
conn.createStatement().execute(ddlB);
String upsertA = "UPSERT INTO " + tableA + " (pkA, colA1, colA2) VALUES(?, ?, ?)";
stmt = conn.prepareStatement(upsertA);
int i = 0;
for (i = 0; i < 5; i++) {
stmt.setInt(1, i);
stmt.setInt(2, i + 10);
stmt.setString(3, "00" + i);
stmt.executeUpdate();
}
conn.commit();
stmt.close();
String seqBName = generateUniqueName();
// upsert select dynamic columns in tableB
conn.createStatement().execute("CREATE SEQUENCE " + seqBName);
String upsertBSelectA = "UPSERT INTO " + tableB + " (pkB, pkA INTEGER)"
+ "SELECT NEXT VALUE FOR " + seqBName + ", pkA FROM " + tableA ;
stmt = conn.prepareStatement(upsertBSelectA);
stmt.executeUpdate();
stmt.close();
conn.commit();
conn.createStatement().execute("DROP SEQUENCE " + seqBName );
// perform a join between tableB and tableA by joining on the dynamic column that we upserted in
// tableB. This join should return all the rows from table A.
String joinSql = "SELECT /*+ USE_SORT_MERGE_JOIN*/ A.pkA, A.COLA1, A.colA2 FROM " + tableB + " B(pkA INTEGER) JOIN " + tableA + " A ON a.pkA = b.pkA";
stmt = conn.prepareStatement(joinSql);
ResultSet rs = stmt.executeQuery();
i = 0;
while (rs.next()) {
// check that we get back all the rows that we upserted for tableA above.
assertEquals(rs.getInt(1), i);
assertEquals(rs.getInt(2), i + 10);
assertEquals(rs.getString(3), "00" + i);
i++;
}
assertEquals(5,i);
} finally {
if (stmt != null) {
stmt.close();
}
if (conn != null) {
conn.close();
}
}
}
@Test
public void testSubqueryWithoutData() throws Exception {
Properties props = PropertiesUtil.deepCopy(TEST_PROPERTIES);
Connection conn = DriverManager.getConnection(getUrl(), props);
conn.setAutoCommit(false);
String gTableName = generateUniqueName();
String lTableName = generateUniqueName();
String slTableName = generateUniqueName();
try {
String GRAMMAR_TABLE = "CREATE TABLE IF NOT EXISTS " + gTableName + " (ID INTEGER PRIMARY KEY, " +
"unsig_id UNSIGNED_INT, big_id BIGINT, unsig_long_id UNSIGNED_LONG, tiny_id TINYINT," +
"unsig_tiny_id UNSIGNED_TINYINT, small_id SMALLINT, unsig_small_id UNSIGNED_SMALLINT," +
"float_id FLOAT, unsig_float_id UNSIGNED_FLOAT, double_id DOUBLE, unsig_double_id UNSIGNED_DOUBLE," +
"decimal_id DECIMAL, boolean_id BOOLEAN, time_id TIME, date_id DATE, timestamp_id TIMESTAMP," +
"unsig_time_id TIME, unsig_date_id DATE, unsig_timestamp_id TIMESTAMP, varchar_id VARCHAR (30)," +
"char_id CHAR (30), binary_id BINARY (100), varbinary_id VARBINARY (100))";
String LARGE_TABLE = "CREATE TABLE IF NOT EXISTS " + lTableName + " (ID INTEGER PRIMARY KEY, " +
"unsig_id UNSIGNED_INT, big_id BIGINT, unsig_long_id UNSIGNED_LONG, tiny_id TINYINT," +
"unsig_tiny_id UNSIGNED_TINYINT, small_id SMALLINT, unsig_small_id UNSIGNED_SMALLINT," +
"float_id FLOAT, unsig_float_id UNSIGNED_FLOAT, double_id DOUBLE, unsig_double_id UNSIGNED_DOUBLE," +
"decimal_id DECIMAL, boolean_id BOOLEAN, time_id TIME, date_id DATE, timestamp_id TIMESTAMP," +
"unsig_time_id TIME, unsig_date_id DATE, unsig_timestamp_id TIMESTAMP, varchar_id VARCHAR (30)," +
"char_id CHAR (30), binary_id BINARY (100), varbinary_id VARBINARY (100))";
String SECONDARY_LARGE_TABLE = "CREATE TABLE IF NOT EXISTS " + slTableName + " (SEC_ID INTEGER PRIMARY KEY," +
"sec_unsig_id UNSIGNED_INT, sec_big_id BIGINT, sec_usnig_long_id UNSIGNED_LONG, sec_tiny_id TINYINT," +
"sec_unsig_tiny_id UNSIGNED_TINYINT, sec_small_id SMALLINT, sec_unsig_small_id UNSIGNED_SMALLINT," +
"sec_float_id FLOAT, sec_unsig_float_id UNSIGNED_FLOAT, sec_double_id DOUBLE, sec_unsig_double_id UNSIGNED_DOUBLE," +
"sec_decimal_id DECIMAL, sec_boolean_id BOOLEAN, sec_time_id TIME, sec_date_id DATE," +
"sec_timestamp_id TIMESTAMP, sec_unsig_time_id TIME, sec_unsig_date_id DATE, sec_unsig_timestamp_id TIMESTAMP," +
"sec_varchar_id VARCHAR (30), sec_char_id CHAR (30), sec_binary_id BINARY (100), sec_varbinary_id VARBINARY (100))";
createTestTable(getUrl(), GRAMMAR_TABLE);
createTestTable(getUrl(), LARGE_TABLE);
createTestTable(getUrl(), SECONDARY_LARGE_TABLE);
String ddl = "SELECT /*+USE_SORT_MERGE_JOIN*/ * FROM (SELECT ID, BIG_ID, DATE_ID FROM " + lTableName + " AS A WHERE (A.ID % 5) = 0) AS A " +
"INNER JOIN (SELECT SEC_ID, SEC_TINY_ID, SEC_UNSIG_FLOAT_ID FROM " + slTableName + " AS B WHERE (B.SEC_ID % 5) = 0) AS B " +
"ON A.ID=B.SEC_ID WHERE A.DATE_ID > ALL (SELECT SEC_DATE_ID FROM " + slTableName + " LIMIT 100) " +
"AND B.SEC_UNSIG_FLOAT_ID = ANY (SELECT sec_unsig_float_id FROM " + slTableName +
" WHERE SEC_ID > ALL (SELECT MIN (ID) FROM " + gTableName + " WHERE UNSIG_ID IS NULL) AND " +
"SEC_UNSIG_ID < ANY (SELECT DISTINCT(UNSIG_ID) FROM " + lTableName + " WHERE UNSIG_ID<2500) LIMIT 1000) " +
"AND A.ID < 10000";
ResultSet rs = conn.createStatement().executeQuery(ddl);
assertFalse(rs.next());
} finally {
Statement statement = conn.createStatement();
String query = "drop table " + gTableName;
statement.executeUpdate(query);
query = "drop table " + lTableName ;
statement.executeUpdate(query);
query = "drop table " + slTableName ;
statement.executeUpdate(query);
conn.close();
}
}
@Test
public void testBug2894() throws Exception {
Properties props = PropertiesUtil.deepCopy(TEST_PROPERTIES);
Connection conn = DriverManager.getConnection(getUrl(), props);
conn.setAutoCommit(true);
String eventCountTableName = generateUniqueName();
try {
conn.createStatement().execute(
"CREATE TABLE IF NOT EXISTS " + eventCountTableName + " (\n" +
" BUCKET VARCHAR,\n" +
" TIMESTAMP_DATE TIMESTAMP,\n" +
" \"TIMESTAMP\" UNSIGNED_LONG NOT NULL,\n" +
" LOCATION VARCHAR,\n" +
" A VARCHAR,\n" +
" B VARCHAR,\n" +
" C VARCHAR,\n" +
" D UNSIGNED_LONG,\n" +
" E FLOAT\n" +
" CONSTRAINT pk PRIMARY KEY (BUCKET, \"TIMESTAMP\" DESC, LOCATION, A, B, C)\n" +
") SALT_BUCKETS=2, COMPRESSION='GZ', TTL=31622400");
PreparedStatement stmt = conn.prepareStatement("UPSERT INTO " + eventCountTableName + "(BUCKET, \"TIMESTAMP\", LOCATION, A, B, C) VALUES(?,?,?,?,?,?)");
stmt.setString(1, "5SEC");
stmt.setString(3, "Tr/Bal");
stmt.setString(4, "A1");
stmt.setString(5, "B1");
stmt.setString(6, "C1");
stmt.setLong(2, 1462993520000000000L);
stmt.execute();
stmt.setLong(2, 1462993515000000000L);
stmt.execute();
stmt.setLong(2, 1462993510000000000L);
stmt.execute();
stmt.setLong(2, 1462993505000000000L);
stmt.execute();
stmt.setLong(2, 1462993500000000000L);
stmt.execute();
stmt.setLong(2, 1462993495000000000L);
stmt.execute();
stmt.setLong(2, 1462993490000000000L);
stmt.execute();
stmt.setLong(2, 1462993485000000000L);
stmt.execute();
stmt.setLong(2, 1462993480000000000L);
stmt.execute();
stmt.setLong(2, 1462993475000000000L);
stmt.execute();
stmt.setLong(2, 1462993470000000000L);
stmt.execute();
stmt.setLong(2, 1462993465000000000L);
stmt.execute();
stmt.setLong(2, 1462993460000000000L);
stmt.execute();
stmt.setLong(2, 1462993455000000000L);
stmt.execute();
stmt.setLong(2, 1462993450000000000L);
stmt.execute();
stmt.setLong(2, 1462993445000000000L);
stmt.execute();
stmt.setLong(2, 1462993440000000000L);
stmt.execute();
stmt.setLong(2, 1462993430000000000L);
stmt.execute();
// We'll test the original version of the user table as well as a slightly modified
// version, in order to verify that sort-merge join works for columns both having
// DESC sort order as well as one having ASC order and the other having DESC order.
String[] t = new String[] {"EVENT_LATENCY" + generateUniqueName(), "EVENT_LATENCY_2" + generateUniqueName()};
for (int i = 0; i < 2; i++) {
conn.createStatement().execute(
"CREATE TABLE IF NOT EXISTS " + t[i] + " (\n" +
" BUCKET VARCHAR,\n" +
" TIMESTAMP_DATE TIMESTAMP,\n" +
" \"TIMESTAMP\" UNSIGNED_LONG NOT NULL,\n" +
" SRC_LOCATION VARCHAR,\n" +
" DST_LOCATION VARCHAR,\n" +
" B VARCHAR,\n" +
" C VARCHAR,\n" +
" F UNSIGNED_LONG,\n" +
" G UNSIGNED_LONG,\n" +
" H UNSIGNED_LONG,\n" +
" I UNSIGNED_LONG\n" +
" CONSTRAINT pk PRIMARY KEY (BUCKET, \"TIMESTAMP\"" + (i == 0 ? " DESC" : "") + ", SRC_LOCATION, DST_LOCATION, B, C)\n" +
") SALT_BUCKETS=2, COMPRESSION='GZ', TTL=31622400");
stmt = conn.prepareStatement("UPSERT INTO " + t[i] + "(BUCKET, \"TIMESTAMP\", SRC_LOCATION, DST_LOCATION, B, C) VALUES(?,?,?,?,?,?)");
stmt.setString(1, "5SEC");
stmt.setString(3, "Tr/Bal");
stmt.setString(4, "Tr/Bal");
stmt.setString(5, "B1");
stmt.setString(6, "C1");
stmt.setLong(2, 1462993520000000000L);
stmt.execute();
stmt.setLong(2, 1462993515000000000L);
stmt.execute();
stmt.setLong(2, 1462993510000000000L);
stmt.execute();
stmt.setLong(2, 1462993505000000000L);
stmt.execute();
stmt.setLong(2, 1462993490000000000L);
stmt.execute();
stmt.setLong(2, 1462993485000000000L);
stmt.execute();
stmt.setLong(2, 1462993480000000000L);
stmt.execute();
stmt.setLong(2, 1462993475000000000L);
stmt.execute();
stmt.setLong(2, 1462993470000000000L);
stmt.execute();
stmt.setLong(2, 1462993430000000000L);
stmt.execute();
String q =
"SELECT C.BUCKET, C.TIMESTAMP FROM (\n" +
" SELECT E.BUCKET as BUCKET, L.BUCKET as LBUCKET, E.TIMESTAMP as TIMESTAMP, L.TIMESTAMP as LTIMESTAMP FROM\n" +
" (SELECT BUCKET, TIMESTAMP FROM " + eventCountTableName + "\n" +
" WHERE BUCKET = '5SEC' AND LOCATION = 'Tr/Bal'\n" +
" AND TIMESTAMP <= 1462993520000000000 AND TIMESTAMP > 1462993420000000000\n" +
" GROUP BY BUCKET, TIMESTAMP, LOCATION\n" +
" ) E\n" +
" JOIN\n" +
" (SELECT BUCKET, \"TIMESTAMP\" FROM "+ t[i] +"\n" +
" WHERE BUCKET = '5SEC' AND SRC_LOCATION = 'Tr/Bal' AND SRC_LOCATION = DST_LOCATION\n" +
" AND \"TIMESTAMP\" <= 1462993520000000000 AND \"TIMESTAMP\" > 1462993420000000000\n" +
" GROUP BY BUCKET, \"TIMESTAMP\", SRC_LOCATION, DST_LOCATION\n" +
" ) L\n" +
" ON L.BUCKET = E.BUCKET AND L.TIMESTAMP = E.TIMESTAMP\n" +
" ) C\n" +
" GROUP BY C.BUCKET, C.TIMESTAMP";
String p = i == 0 ?
"SORT-MERGE-JOIN (INNER) TABLES\n" +
" CLIENT PARALLEL 2-WAY SKIP SCAN ON 2 RANGES OVER " + eventCountTableName + " [0,'5SEC',~1462993520000000000,'Tr/Bal'] - [1,'5SEC',~1462993420000000000,'Tr/Bal']\n" +
" SERVER FILTER BY FIRST KEY ONLY\n" +
" SERVER DISTINCT PREFIX FILTER OVER [BUCKET, TIMESTAMP, LOCATION]\n" +
" SERVER AGGREGATE INTO ORDERED DISTINCT ROWS BY [BUCKET, TIMESTAMP, LOCATION]\n" +
" CLIENT MERGE SORT\n" +
" CLIENT SORTED BY [BUCKET, TIMESTAMP]\n" +
"AND (SKIP MERGE)\n" +
" CLIENT PARALLEL 2-WAY SKIP SCAN ON 2 RANGES OVER " + t[i] + " [0,'5SEC',~1462993520000000000,'Tr/Bal'] - [1,'5SEC',~1462993420000000000,'Tr/Bal']\n" +
" SERVER FILTER BY FIRST KEY ONLY AND SRC_LOCATION = DST_LOCATION\n" +
" SERVER DISTINCT PREFIX FILTER OVER [BUCKET, \"TIMESTAMP\", SRC_LOCATION, DST_LOCATION]\n" +
" SERVER AGGREGATE INTO ORDERED DISTINCT ROWS BY [BUCKET, \"TIMESTAMP\", SRC_LOCATION, DST_LOCATION]\n" +
" CLIENT MERGE SORT\n" +
" CLIENT SORTED BY [BUCKET, \"TIMESTAMP\"]\n" +
"CLIENT SORTED BY [E.BUCKET, E.TIMESTAMP]\n" +
"CLIENT AGGREGATE INTO DISTINCT ROWS BY [E.BUCKET, E.TIMESTAMP]"
:
"SORT-MERGE-JOIN (INNER) TABLES\n" +
" CLIENT PARALLEL 2-WAY SKIP SCAN ON 2 RANGES OVER " + eventCountTableName + " [0,'5SEC',~1462993520000000000,'Tr/Bal'] - [1,'5SEC',~1462993420000000000,'Tr/Bal']\n" +
" SERVER FILTER BY FIRST KEY ONLY\n" +
" SERVER DISTINCT PREFIX FILTER OVER [BUCKET, TIMESTAMP, LOCATION]\n" +
" SERVER AGGREGATE INTO ORDERED DISTINCT ROWS BY [BUCKET, TIMESTAMP, LOCATION]\n" +
" CLIENT MERGE SORT\n" +
" CLIENT SORTED BY [BUCKET, TIMESTAMP]\n" +
"AND (SKIP MERGE)\n" +
" CLIENT PARALLEL 2-WAY SKIP SCAN ON 2 RANGES OVER " + t[i] + " [0,'5SEC',1462993420000000001,'Tr/Bal'] - [1,'5SEC',1462993520000000000,'Tr/Bal']\n" +
" SERVER FILTER BY FIRST KEY ONLY AND SRC_LOCATION = DST_LOCATION\n" +
" SERVER DISTINCT PREFIX FILTER OVER [BUCKET, \"TIMESTAMP\", SRC_LOCATION, DST_LOCATION]\n" +
" SERVER AGGREGATE INTO ORDERED DISTINCT ROWS BY [BUCKET, \"TIMESTAMP\", SRC_LOCATION, DST_LOCATION]\n" +
" CLIENT MERGE SORT\n" +
"CLIENT SORTED BY [E.BUCKET, E.TIMESTAMP]\n" +
"CLIENT AGGREGATE INTO DISTINCT ROWS BY [E.BUCKET, E.TIMESTAMP]";
ResultSet rs = conn.createStatement().executeQuery("explain " + q);
assertEquals(p, QueryUtil.getExplainPlan(rs));
rs = conn.createStatement().executeQuery(q);
assertTrue(rs.next());
assertEquals("5SEC", rs.getString(1));
assertEquals(1462993520000000000L, rs.getLong(2));
assertTrue(rs.next());
assertEquals("5SEC", rs.getString(1));
assertEquals(1462993515000000000L, rs.getLong(2));
assertTrue(rs.next());
assertEquals("5SEC", rs.getString(1));
assertEquals(1462993510000000000L, rs.getLong(2));
assertTrue(rs.next());
assertEquals("5SEC", rs.getString(1));
assertEquals(1462993505000000000L, rs.getLong(2));
assertTrue(rs.next());
assertEquals("5SEC", rs.getString(1));
assertEquals(1462993490000000000L, rs.getLong(2));
assertTrue(rs.next());
assertEquals("5SEC", rs.getString(1));
assertEquals(1462993485000000000L, rs.getLong(2));
assertTrue(rs.next());
assertEquals("5SEC", rs.getString(1));
assertEquals(1462993480000000000L, rs.getLong(2));
assertTrue(rs.next());
assertEquals("5SEC", rs.getString(1));
assertEquals(1462993475000000000L, rs.getLong(2));
assertTrue(rs.next());
assertEquals("5SEC", rs.getString(1));
assertEquals(1462993470000000000L, rs.getLong(2));
assertTrue(rs.next());
assertEquals("5SEC", rs.getString(1));
assertEquals(1462993430000000000L, rs.getLong(2));
assertFalse(rs.next());
}
} finally {
conn.close();
}
}
}