/
UpgradeUtil.java
1915 lines (1823 loc) · 104 KB
/
UpgradeUtil.java
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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.util;
import static com.google.common.base.Preconditions.checkNotNull;
import static org.apache.phoenix.coprocessor.MetaDataProtocol.CURRENT_CLIENT_VERSION;
import static org.apache.phoenix.coprocessor.MetaDataProtocol.getVersion;
import static org.apache.phoenix.jdbc.PhoenixDatabaseMetaData.ARRAY_SIZE;
import static org.apache.phoenix.jdbc.PhoenixDatabaseMetaData.CACHE_SIZE;
import static org.apache.phoenix.jdbc.PhoenixDatabaseMetaData.COLUMN_FAMILY;
import static org.apache.phoenix.jdbc.PhoenixDatabaseMetaData.COLUMN_NAME;
import static org.apache.phoenix.jdbc.PhoenixDatabaseMetaData.COLUMN_SIZE;
import static org.apache.phoenix.jdbc.PhoenixDatabaseMetaData.CURRENT_VALUE;
import static org.apache.phoenix.jdbc.PhoenixDatabaseMetaData.CYCLE_FLAG;
import static org.apache.phoenix.jdbc.PhoenixDatabaseMetaData.DATA_TABLE_NAME;
import static org.apache.phoenix.jdbc.PhoenixDatabaseMetaData.DATA_TYPE;
import static org.apache.phoenix.jdbc.PhoenixDatabaseMetaData.DECIMAL_DIGITS;
import static org.apache.phoenix.jdbc.PhoenixDatabaseMetaData.INCREMENT_BY;
import static org.apache.phoenix.jdbc.PhoenixDatabaseMetaData.LIMIT_REACHED_FLAG;
import static org.apache.phoenix.jdbc.PhoenixDatabaseMetaData.LINK_TYPE;
import static org.apache.phoenix.jdbc.PhoenixDatabaseMetaData.MAX_VALUE;
import static org.apache.phoenix.jdbc.PhoenixDatabaseMetaData.MIN_VALUE;
import static org.apache.phoenix.jdbc.PhoenixDatabaseMetaData.ORDINAL_POSITION;
import static org.apache.phoenix.jdbc.PhoenixDatabaseMetaData.SORT_ORDER;
import static org.apache.phoenix.jdbc.PhoenixDatabaseMetaData.START_WITH;
import static org.apache.phoenix.jdbc.PhoenixDatabaseMetaData.SYSTEM_CATALOG_NAME;
import static org.apache.phoenix.jdbc.PhoenixDatabaseMetaData.SYSTEM_CATALOG_SCHEMA;
import static org.apache.phoenix.jdbc.PhoenixDatabaseMetaData.SYSTEM_CATALOG_TABLE;
import static org.apache.phoenix.jdbc.PhoenixDatabaseMetaData.TABLE_NAME;
import static org.apache.phoenix.jdbc.PhoenixDatabaseMetaData.TABLE_SCHEM;
import static org.apache.phoenix.jdbc.PhoenixDatabaseMetaData.TABLE_SEQ_NUM;
import static org.apache.phoenix.jdbc.PhoenixDatabaseMetaData.TABLE_TYPE;
import static org.apache.phoenix.jdbc.PhoenixDatabaseMetaData.TENANT_ID;
import static org.apache.phoenix.jdbc.PhoenixDatabaseMetaData.VIEW_INDEX_ID;
import static org.apache.phoenix.query.QueryConstants.BASE_TABLE_BASE_COLUMN_COUNT;
import static org.apache.phoenix.query.QueryConstants.DIVERGED_VIEW_BASE_COLUMN_COUNT;
import java.io.IOException;
import java.sql.Connection;
import java.sql.Date;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.text.Format;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Properties;
import java.util.Set;
import java.util.concurrent.TimeoutException;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
import org.apache.hadoop.hbase.Cell;
import org.apache.hadoop.hbase.HColumnDescriptor;
import org.apache.hadoop.hbase.HConstants;
import org.apache.hadoop.hbase.HTableDescriptor;
import org.apache.hadoop.hbase.KeyValue;
import org.apache.hadoop.hbase.TableName;
import org.apache.hadoop.hbase.client.Delete;
import org.apache.hadoop.hbase.client.Get;
import org.apache.hadoop.hbase.client.HBaseAdmin;
import org.apache.hadoop.hbase.client.HTableInterface;
import org.apache.hadoop.hbase.client.Mutation;
import org.apache.hadoop.hbase.client.Put;
import org.apache.hadoop.hbase.client.Result;
import org.apache.hadoop.hbase.client.ResultScanner;
import org.apache.hadoop.hbase.client.Scan;
import org.apache.hadoop.hbase.io.ImmutableBytesWritable;
import org.apache.hadoop.hbase.regionserver.LocalIndexSplitter;
import org.apache.hadoop.hbase.snapshot.SnapshotCreationException;
import org.apache.hadoop.hbase.util.Bytes;
import org.apache.phoenix.coprocessor.MetaDataEndpointImpl;
import org.apache.phoenix.coprocessor.MetaDataProtocol;
import org.apache.phoenix.coprocessor.MetaDataProtocol.MetaDataMutationResult;
import org.apache.phoenix.coprocessor.MetaDataProtocol.MutationCode;
import org.apache.phoenix.jdbc.PhoenixConnection;
import org.apache.phoenix.jdbc.PhoenixDatabaseMetaData;
import org.apache.phoenix.query.QueryConstants;
import org.apache.phoenix.query.QueryServices;
import org.apache.phoenix.schema.MetaDataClient;
import org.apache.phoenix.schema.PName;
import org.apache.phoenix.schema.PNameFactory;
import org.apache.phoenix.schema.PTable;
import org.apache.phoenix.schema.PTable.IndexType;
import org.apache.phoenix.schema.PTable.LinkType;
import org.apache.phoenix.schema.PTableType;
import org.apache.phoenix.schema.SaltingUtil;
import org.apache.phoenix.schema.SortOrder;
import org.apache.phoenix.schema.TableNotFoundException;
import org.apache.phoenix.schema.types.PBinary;
import org.apache.phoenix.schema.types.PBoolean;
import org.apache.phoenix.schema.types.PChar;
import org.apache.phoenix.schema.types.PDataType;
import org.apache.phoenix.schema.types.PDecimal;
import org.apache.phoenix.schema.types.PDouble;
import org.apache.phoenix.schema.types.PFloat;
import org.apache.phoenix.schema.types.PInteger;
import org.apache.phoenix.schema.types.PLong;
import org.apache.phoenix.schema.types.PVarbinary;
import org.apache.phoenix.schema.types.PVarchar;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.google.common.base.Objects;
import com.google.common.collect.Lists;
import com.google.common.collect.Sets;
public class UpgradeUtil {
private static final Logger logger = LoggerFactory.getLogger(UpgradeUtil.class);
private static final byte[] SEQ_PREFIX_BYTES = ByteUtil.concat(QueryConstants.SEPARATOR_BYTE_ARRAY, Bytes.toBytes("_SEQ_"));
public static final byte[] UPGRADE_TO_4_7_COLUMN_NAME = Bytes.toBytes("UPGRADE_TO_4_7");
/**
* Attribute for Phoenix's internal purposes only. When this attribute is set on a phoenix connection, then
* the upgrade code for upgrading the cluster to the new minor release is not triggered. Note that presence
* of this attribute overrides a true value for {@value QueryServices#AUTO_UPGRADE_ENABLED}.
*/
private static final String DO_NOT_UPGRADE = "DoNotUpgrade";
public static String UPSERT_BASE_COLUMN_COUNT_IN_HEADER_ROW = "UPSERT "
+ "INTO SYSTEM.CATALOG "
+ "(TENANT_ID, TABLE_SCHEM, TABLE_NAME, COLUMN_NAME, COLUMN_FAMILY, BASE_COLUMN_COUNT) "
+ "VALUES (?, ?, ?, ?, ?, ?) ";
public static String SELECT_BASE_COLUMN_COUNT_FROM_HEADER_ROW = "SELECT "
+ "BASE_COLUMN_COUNT "
+ "FROM SYSTEM.CATALOG "
+ "WHERE "
+ "COLUMN_NAME IS NULL "
+ "AND "
+ "COLUMN_FAMILY IS NULL "
+ "AND "
+ "TENANT_ID %s "
+ "AND "
+ "TABLE_SCHEM %s "
+ "AND "
+ "TABLE_NAME = ? "
;
private static final String UPDATE_LINK =
"UPSERT INTO " + SYSTEM_CATALOG_SCHEMA + ".\"" + SYSTEM_CATALOG_TABLE + "\"( " +
TENANT_ID + "," +
TABLE_SCHEM + "," +
TABLE_NAME + "," +
COLUMN_FAMILY + "," +
LINK_TYPE + "," +
TABLE_SEQ_NUM +"," +
TABLE_TYPE +
") SELECT " + TENANT_ID + "," + TABLE_SCHEM + "," + TABLE_NAME + ",'%s' AS "
+ COLUMN_FAMILY + " ," + LINK_TYPE + "," + TABLE_SEQ_NUM + "," + TABLE_TYPE +" FROM " + SYSTEM_CATALOG_SCHEMA + ".\""
+ SYSTEM_CATALOG_TABLE + "\" WHERE (" + TABLE_SCHEM + "=? OR (" + TABLE_SCHEM + " IS NULL AND ? IS NULL)) AND " + TABLE_NAME + "=? AND " + COLUMN_FAMILY + "=? AND " + LINK_TYPE + " = "
+ LinkType.PHYSICAL_TABLE.getSerializedValue();
private static final String DELETE_LINK = "DELETE FROM " + SYSTEM_CATALOG_SCHEMA + "." + SYSTEM_CATALOG_TABLE
+ " WHERE (" + TABLE_SCHEM + "=? OR (" + TABLE_SCHEM + " IS NULL AND ? IS NULL)) AND " + TABLE_NAME + "=? AND " + COLUMN_FAMILY + "=? AND " + LINK_TYPE + " = " + LinkType.PHYSICAL_TABLE.getSerializedValue();
private static final String GET_VIEWS_QUERY = "SELECT " + TENANT_ID + "," + TABLE_SCHEM + "," + TABLE_NAME
+ " FROM " + SYSTEM_CATALOG_SCHEMA + "." + SYSTEM_CATALOG_TABLE + " WHERE " + COLUMN_FAMILY + " = ? AND "
+ LINK_TYPE + " = " + LinkType.PHYSICAL_TABLE.getSerializedValue() + " AND ( " + TABLE_TYPE + "=" + "'"
+ PTableType.VIEW.getSerializedValue() + "' OR " + TABLE_TYPE + " IS NULL) ORDER BY "+TENANT_ID;
private UpgradeUtil() {
}
private static byte[] getSequenceSnapshotName() {
return Bytes.toBytes("_BAK_" + PhoenixDatabaseMetaData.SYSTEM_SEQUENCE_NAME);
}
private static void createSequenceSnapshot(HBaseAdmin admin, PhoenixConnection conn) throws SQLException {
byte[] tableName = getSequenceSnapshotName();
HColumnDescriptor columnDesc = new HColumnDescriptor(PhoenixDatabaseMetaData.SYSTEM_SEQUENCE_FAMILY_BYTES);
HTableDescriptor desc = new HTableDescriptor(TableName.valueOf(tableName));
desc.addFamily(columnDesc);
try {
admin.createTable(desc);
copyTable(conn, PhoenixDatabaseMetaData.SYSTEM_SEQUENCE_NAME_BYTES, tableName);
} catch (IOException e) {
throw ServerUtil.parseServerException(e);
}
}
private static void restoreSequenceSnapshot(HBaseAdmin admin, PhoenixConnection conn) throws SQLException {
byte[] tableName = getSequenceSnapshotName();
copyTable(conn, tableName, PhoenixDatabaseMetaData.SYSTEM_SEQUENCE_NAME_BYTES);
}
private static void deleteSequenceSnapshot(HBaseAdmin admin) throws SQLException {
byte[] tableName = getSequenceSnapshotName();
try {
admin.disableTable(tableName);;
admin.deleteTable(tableName);
} catch (IOException e) {
throw ServerUtil.parseServerException(e);
}
}
@SuppressWarnings("deprecation")
private static void copyTable(PhoenixConnection conn, byte[] sourceName, byte[] targetName) throws SQLException {
int batchSizeBytes = 100 * 1024; // 100K chunks
int sizeBytes = 0;
List<Mutation> mutations = Lists.newArrayListWithExpectedSize(10000);
Scan scan = new Scan();
scan.setRaw(true);
scan.setMaxVersions(MetaDataProtocol.DEFAULT_MAX_META_DATA_VERSIONS);
ResultScanner scanner = null;
HTableInterface source = null;
HTableInterface target = null;
try {
source = conn.getQueryServices().getTable(sourceName);
target = conn.getQueryServices().getTable(targetName);
scanner = source.getScanner(scan);
Result result;
while ((result = scanner.next()) != null) {
for (KeyValue keyValue : result.raw()) {
sizeBytes += keyValue.getLength();
if (KeyValue.Type.codeToType(keyValue.getType()) == KeyValue.Type.Put) {
// Put new value
Put put = new Put(keyValue.getRow());
put.add(keyValue);
mutations.add(put);
} else if (KeyValue.Type.codeToType(keyValue.getType()) == KeyValue.Type.Delete){
// Copy delete marker using new key so that it continues
// to delete the key value preceding it that will be updated
// as well.
Delete delete = new Delete(keyValue.getRow());
delete.addDeleteMarker(keyValue);
mutations.add(delete);
}
}
if (sizeBytes >= batchSizeBytes) {
logger.info("Committing bactch of temp rows");
target.batch(mutations);
mutations.clear();
sizeBytes = 0;
}
}
if (!mutations.isEmpty()) {
logger.info("Committing last bactch of temp rows");
target.batch(mutations);
}
logger.info("Successfully completed copy");
} catch (SQLException e) {
throw e;
} catch (Exception e) {
throw ServerUtil.parseServerException(e);
} finally {
try {
if (scanner != null) scanner.close();
} finally {
try {
if (source != null) source.close();
} catch (IOException e) {
logger.warn("Exception during close of source table",e);
} finally {
try {
if (target != null) target.close();
} catch (IOException e) {
logger.warn("Exception during close of target table",e);
}
}
}
}
}
private static void preSplitSequenceTable(PhoenixConnection conn, int nSaltBuckets) throws SQLException {
HBaseAdmin admin = conn.getQueryServices().getAdmin();
boolean snapshotCreated = false;
boolean success = false;
try {
if (nSaltBuckets <= 0) {
return;
}
logger.warn("Pre-splitting SYSTEM.SEQUENCE table " + nSaltBuckets + "-ways. This may take some time - please do not close window.");
HTableDescriptor desc = admin.getTableDescriptor(PhoenixDatabaseMetaData.SYSTEM_SEQUENCE_NAME_BYTES);
createSequenceSnapshot(admin, conn);
snapshotCreated = true;
admin.disableTable(PhoenixDatabaseMetaData.SYSTEM_SEQUENCE_NAME);
admin.deleteTable(PhoenixDatabaseMetaData.SYSTEM_SEQUENCE_NAME);
byte[][] splitPoints = SaltingUtil.getSalteByteSplitPoints(nSaltBuckets);
admin.createTable(desc, splitPoints);
restoreSequenceSnapshot(admin, conn);
success = true;
logger.warn("Completed pre-splitting SYSTEM.SEQUENCE table");
} catch (IOException e) {
throw new SQLException("Unable to pre-split SYSTEM.SEQUENCE table", e);
} finally {
try {
if (snapshotCreated && success) {
try {
deleteSequenceSnapshot(admin);
} catch (SQLException e) {
logger.warn("Exception while deleting SYSTEM.SEQUENCE snapshot during pre-split", e);
}
}
} finally {
try {
admin.close();
} catch (IOException e) {
logger.warn("Exception while closing admin during pre-split", e);
}
}
}
}
public static PhoenixConnection upgradeLocalIndexes(PhoenixConnection metaConnection)
throws SQLException, IOException, org.apache.hadoop.hbase.TableNotFoundException {
Properties props = PropertiesUtil.deepCopy(metaConnection.getClientInfo());
Long originalScn = null;
String str = props.getProperty(PhoenixRuntime.CURRENT_SCN_ATTRIB);
if (str != null) {
originalScn = Long.valueOf(str);
}
props.setProperty(PhoenixRuntime.CURRENT_SCN_ATTRIB, Long.toString(HConstants.LATEST_TIMESTAMP));
PhoenixConnection globalConnection = null;
PhoenixConnection toReturn = null;
globalConnection = new PhoenixConnection(metaConnection, metaConnection.getQueryServices(), props);
SQLException sqlEx = null;
try (HBaseAdmin admin = globalConnection.getQueryServices().getAdmin()) {
ResultSet rs = globalConnection.createStatement().executeQuery("SELECT TABLE_SCHEM, TABLE_NAME, DATA_TABLE_NAME, TENANT_ID, MULTI_TENANT, SALT_BUCKETS FROM SYSTEM.CATALOG "
+ " WHERE COLUMN_NAME IS NULL"
+ " AND COLUMN_FAMILY IS NULL"
+ " AND INDEX_TYPE=" + IndexType.LOCAL.getSerializedValue());
boolean droppedLocalIndexes = false;
while (rs.next()) {
if(!droppedLocalIndexes) {
HTableDescriptor[] localIndexTables = admin.listTables(MetaDataUtil.LOCAL_INDEX_TABLE_PREFIX+".*");
String localIndexSplitter = LocalIndexSplitter.class.getName();
for (HTableDescriptor table : localIndexTables) {
HTableDescriptor dataTableDesc = admin.getTableDescriptor(TableName.valueOf(MetaDataUtil.getLocalIndexUserTableName(table.getNameAsString())));
HColumnDescriptor[] columnFamilies = dataTableDesc.getColumnFamilies();
boolean modifyTable = false;
for(HColumnDescriptor cf : columnFamilies) {
String localIndexCf = QueryConstants.LOCAL_INDEX_COLUMN_FAMILY_PREFIX+cf.getNameAsString();
if(dataTableDesc.getFamily(Bytes.toBytes(localIndexCf))==null){
HColumnDescriptor colDef =
new HColumnDescriptor(localIndexCf);
for(Entry<ImmutableBytesWritable, ImmutableBytesWritable>keyValue: cf.getValues().entrySet()){
colDef.setValue(keyValue.getKey().copyBytes(), keyValue.getValue().copyBytes());
}
dataTableDesc.addFamily(colDef);
modifyTable = true;
}
}
List<String> coprocessors = dataTableDesc.getCoprocessors();
for(String coprocessor: coprocessors) {
if(coprocessor.equals(localIndexSplitter)) {
dataTableDesc.removeCoprocessor(localIndexSplitter);
modifyTable = true;
}
}
if(modifyTable) {
admin.modifyTable(dataTableDesc.getName(), dataTableDesc);
}
}
admin.disableTables(MetaDataUtil.LOCAL_INDEX_TABLE_PREFIX+".*");
admin.deleteTables(MetaDataUtil.LOCAL_INDEX_TABLE_PREFIX+".*");
droppedLocalIndexes = true;
}
String schemaName = rs.getString(1);
String indexTableName = rs.getString(2);
String dataTableName = rs.getString(3);
String tenantId = rs.getString(4);
boolean multiTenantTable = rs.getBoolean(5);
int numColumnsToSkip = 1 + (multiTenantTable ? 1 : 0);
String getColumns =
"SELECT COLUMN_NAME, COLUMN_FAMILY FROM SYSTEM.CATALOG WHERE TABLE_SCHEM "
+ (schemaName == null ? "IS NULL " : "='" + schemaName+ "'")
+ " AND TENANT_ID "+(tenantId == null ? "IS NULL " : "='" + tenantId + "'")
+ " and TABLE_NAME='" + indexTableName
+ "' AND COLUMN_NAME IS NOT NULL AND KEY_SEQ > "+ numColumnsToSkip +" ORDER BY KEY_SEQ";
ResultSet getColumnsRs = globalConnection.createStatement().executeQuery(getColumns);
List<String> indexedColumns = new ArrayList<String>(1);
List<String> coveredColumns = new ArrayList<String>(1);
while (getColumnsRs.next()) {
String column = getColumnsRs.getString(1);
String columnName = IndexUtil.getDataColumnName(column);
String columnFamily = IndexUtil.getDataColumnFamilyName(column);
if (getColumnsRs.getString(2) == null) {
if (columnFamily != null && !columnFamily.isEmpty()) {
if (SchemaUtil.normalizeIdentifier(columnFamily).equals(QueryConstants.DEFAULT_COLUMN_FAMILY)) {
indexedColumns.add(columnName);
} else {
indexedColumns.add(SchemaUtil.getCaseSensitiveColumnDisplayName(
columnFamily, columnName));
}
} else {
indexedColumns.add(columnName);
}
} else {
coveredColumns.add(SchemaUtil.normalizeIdentifier(columnFamily)
.equals(QueryConstants.DEFAULT_COLUMN_FAMILY) ? columnName
: SchemaUtil.getCaseSensitiveColumnDisplayName(
columnFamily, columnName));
}
}
StringBuilder createIndex = new StringBuilder("CREATE LOCAL INDEX ");
createIndex.append(indexTableName);
createIndex.append(" ON ");
createIndex.append(SchemaUtil.getTableName(schemaName, dataTableName));
createIndex.append("(");
for (int i = 0; i < indexedColumns.size(); i++) {
createIndex.append(indexedColumns.get(i));
if (i < indexedColumns.size() - 1) {
createIndex.append(",");
}
}
createIndex.append(")");
if (!coveredColumns.isEmpty()) {
createIndex.append(" INCLUDE(");
for (int i = 0; i < coveredColumns.size(); i++) {
createIndex.append(coveredColumns.get(i));
if (i < coveredColumns.size() - 1) {
createIndex.append(",");
}
}
createIndex.append(")");
}
createIndex.append(" ASYNC");
logger.info("Index creation query is : " + createIndex.toString());
logger.info("Dropping the index " + indexTableName
+ " to clean up the index details from SYSTEM.CATALOG.");
PhoenixConnection localConnection = null;
if (tenantId != null) {
props.setProperty(PhoenixRuntime.TENANT_ID_ATTRIB, tenantId);
localConnection = new PhoenixConnection(globalConnection, globalConnection.getQueryServices(), props);
}
try {
(localConnection == null ? globalConnection : localConnection).createStatement().execute(
"DROP INDEX IF EXISTS " + indexTableName + " ON "
+ SchemaUtil.getTableName(schemaName, dataTableName));
logger.info("Recreating the index " + indexTableName);
(localConnection == null ? globalConnection : localConnection).createStatement().execute(createIndex.toString());
logger.info("Created the index " + indexTableName);
} finally {
props.remove(PhoenixRuntime.TENANT_ID_ATTRIB);
if (localConnection != null) {
sqlEx = closeConnection(localConnection, sqlEx);
if (sqlEx != null) {
throw sqlEx;
}
}
}
}
globalConnection.createStatement().execute("DELETE FROM SYSTEM.CATALOG WHERE SUBSTR(TABLE_NAME,0,11)='"+MetaDataUtil.LOCAL_INDEX_TABLE_PREFIX+"'");
if (originalScn != null) {
props.setProperty(PhoenixRuntime.CURRENT_SCN_ATTRIB, Long.toString(originalScn));
}
toReturn = new PhoenixConnection(globalConnection, globalConnection.getQueryServices(), props);
} catch (SQLException e) {
sqlEx = e;
} finally {
sqlEx = closeConnection(metaConnection, sqlEx);
sqlEx = closeConnection(globalConnection, sqlEx);
if (sqlEx != null) {
throw sqlEx;
}
}
return toReturn;
}
public static PhoenixConnection disableViewIndexes(PhoenixConnection connParam) throws SQLException, IOException, InterruptedException, TimeoutException {
Properties props = PropertiesUtil.deepCopy(connParam.getClientInfo());
Long originalScn = null;
String str = props.getProperty(PhoenixRuntime.CURRENT_SCN_ATTRIB);
if (str != null) {
originalScn = Long.valueOf(str);
}
// don't use the passed timestamp as scn because we want to query all view indexes up to now.
props.setProperty(PhoenixRuntime.CURRENT_SCN_ATTRIB, Long.toString(HConstants.LATEST_TIMESTAMP));
Set<String> physicalTables = new HashSet<>();
SQLException sqlEx = null;
PhoenixConnection globalConnection = null;
PhoenixConnection toReturn = null;
try {
globalConnection = new PhoenixConnection(connParam, connParam.getQueryServices(), props);
String tenantId = null;
try (HBaseAdmin admin = globalConnection.getQueryServices().getAdmin()) {
String fetchViewIndexes = "SELECT " + TENANT_ID + ", " + TABLE_SCHEM + ", " + TABLE_NAME +
", " + DATA_TABLE_NAME + " FROM " + SYSTEM_CATALOG_NAME + " WHERE " + VIEW_INDEX_ID
+ " IS NOT NULL";
String disableIndexDDL = "ALTER INDEX %s ON %s DISABLE";
try (ResultSet rs = globalConnection.createStatement().executeQuery(fetchViewIndexes)) {
while (rs.next()) {
tenantId = rs.getString(1);
String indexSchema = rs.getString(2);
String indexName = rs.getString(3);
String viewName = rs.getString(4);
String fullIndexName = SchemaUtil.getTableName(indexSchema, indexName);
String fullViewName = SchemaUtil.getTableName(indexSchema, viewName);
PTable viewPTable = null;
// Disable the view index and truncate the underlying hbase table.
// Users would need to rebuild the view indexes.
if (tenantId != null && !tenantId.isEmpty()) {
Properties newProps = PropertiesUtil.deepCopy(globalConnection.getClientInfo());
newProps.setProperty(PhoenixRuntime.TENANT_ID_ATTRIB, tenantId);
PTable indexPTable = null;
try (PhoenixConnection tenantConnection = new PhoenixConnection(globalConnection, globalConnection.getQueryServices(), newProps)) {
viewPTable = PhoenixRuntime.getTable(tenantConnection, fullViewName);
tenantConnection.createStatement().execute(String.format(disableIndexDDL, indexName, fullViewName));
indexPTable = PhoenixRuntime.getTable(tenantConnection, fullIndexName);
}
int offset = indexPTable.getBucketNum() != null ? 1 : 0;
int existingTenantIdPosition = ++offset; // positions are stored 1 based
int existingViewIdxIdPosition = ++offset;
int newTenantIdPosition = existingViewIdxIdPosition;
int newViewIdxPosition = existingTenantIdPosition;
String tenantIdColumn = indexPTable.getColumns().get(existingTenantIdPosition - 1).getName().getString();
int index = 0;
String updatePosition =
"UPSERT INTO "
+ SYSTEM_CATALOG_NAME
+ " ( "
+ TENANT_ID
+ ","
+ TABLE_SCHEM
+ ","
+ TABLE_NAME
+ ","
+ COLUMN_NAME
+ ","
+ COLUMN_FAMILY
+ ","
+ ORDINAL_POSITION
+ ") SELECT "
+ TENANT_ID
+ ","
+ TABLE_SCHEM
+ ","
+ TABLE_NAME
+ ","
+ COLUMN_NAME
+ ","
+ COLUMN_FAMILY
+ ","
+ "?"
+ " FROM "
+ SYSTEM_CATALOG_NAME
+ " WHERE "
+ TENANT_ID
+ " = ? "
+ " AND "
+ TABLE_NAME
+ " = ? "
+ " AND "
+ (indexSchema == null ? TABLE_SCHEM + " IS NULL" : TABLE_SCHEM + " = ? ")
+ " AND "
+ COLUMN_NAME
+ " = ? ";
// update view index position
try (PreparedStatement s = globalConnection.prepareStatement(updatePosition)) {
index = 0;
s.setInt(++index, newViewIdxPosition);
s.setString(++index, tenantId);
s.setString(++index, indexName);
if (indexSchema != null) {
s.setString(++index, indexSchema);
}
s.setString(++index, MetaDataUtil.getViewIndexIdColumnName());
s.executeUpdate();
}
// update tenant id position
try (PreparedStatement s = globalConnection.prepareStatement(updatePosition)) {
index = 0;
s.setInt(++index, newTenantIdPosition);
s.setString(++index, tenantId);
s.setString(++index, indexName);
if (indexSchema != null) {
s.setString(++index, indexSchema);
}
s.setString(++index, tenantIdColumn);
s.executeUpdate();
}
globalConnection.commit();
} else {
viewPTable = PhoenixRuntime.getTable(globalConnection, fullViewName);
globalConnection.createStatement().execute(String.format(disableIndexDDL, indexName, fullViewName));
}
String indexPhysicalTableName = MetaDataUtil.getViewIndexTableName(viewPTable.getPhysicalName().getString());
if (physicalTables.add(indexPhysicalTableName)) {
final TableName tableName = TableName.valueOf(indexPhysicalTableName);
admin.disableTable(tableName);
admin.truncateTable(tableName, false);
}
}
}
}
if (originalScn != null) {
props.setProperty(PhoenixRuntime.CURRENT_SCN_ATTRIB, Long.toString(originalScn));
}
toReturn = new PhoenixConnection(globalConnection, globalConnection.getQueryServices(), props);
} catch (SQLException e) {
sqlEx = e;
} finally {
sqlEx = closeConnection(connParam, sqlEx);
sqlEx = closeConnection(globalConnection, sqlEx);
if (sqlEx != null) {
throw sqlEx;
}
}
return toReturn;
}
public static SQLException closeConnection(PhoenixConnection conn, SQLException sqlEx) {
SQLException toReturn = sqlEx;
try {
conn.close();
} catch (SQLException e) {
if (toReturn != null) {
toReturn.setNextException(e);
} else {
toReturn = e;
}
}
return toReturn;
}
@SuppressWarnings("deprecation")
public static boolean upgradeSequenceTable(PhoenixConnection conn, int nSaltBuckets, PTable oldTable) throws SQLException {
logger.info("Upgrading SYSTEM.SEQUENCE table");
byte[] seqTableKey = SchemaUtil.getTableKey(null, PhoenixDatabaseMetaData.SYSTEM_SEQUENCE_SCHEMA, PhoenixDatabaseMetaData.SYSTEM_SEQUENCE_TABLE);
HTableInterface sysTable = conn.getQueryServices().getTable(PhoenixDatabaseMetaData.SYSTEM_CATALOG_NAME_BYTES);
try {
logger.info("Setting SALT_BUCKETS property of SYSTEM.SEQUENCE to " + SaltingUtil.MAX_BUCKET_NUM);
KeyValue saltKV = KeyValueUtil.newKeyValue(seqTableKey,
PhoenixDatabaseMetaData.TABLE_FAMILY_BYTES,
PhoenixDatabaseMetaData.SALT_BUCKETS_BYTES,
MetaDataProtocol.MIN_SYSTEM_TABLE_TIMESTAMP,
PInteger.INSTANCE.toBytes(nSaltBuckets));
Put saltPut = new Put(seqTableKey);
saltPut.add(saltKV);
// Prevent multiple clients from doing this upgrade
if (!sysTable.checkAndPut(seqTableKey,
PhoenixDatabaseMetaData.TABLE_FAMILY_BYTES,
PhoenixDatabaseMetaData.SALT_BUCKETS_BYTES, null, saltPut)) {
if (oldTable == null) { // Unexpected, but to be safe just run pre-split code
preSplitSequenceTable(conn, nSaltBuckets);
return true;
}
// If upgrading from 4.2.0, then we need this special case of pre-splitting the table.
// This is needed as a fix for https://issues.apache.org/jira/browse/PHOENIX-1401
if (oldTable.getTimeStamp() == MetaDataProtocol.MIN_SYSTEM_TABLE_TIMESTAMP_4_2_0) {
byte[] oldSeqNum = PLong.INSTANCE.toBytes(oldTable.getSequenceNumber());
KeyValue seqNumKV = KeyValueUtil.newKeyValue(seqTableKey,
PhoenixDatabaseMetaData.TABLE_FAMILY_BYTES,
PhoenixDatabaseMetaData.TABLE_SEQ_NUM_BYTES,
MetaDataProtocol.MIN_SYSTEM_TABLE_TIMESTAMP,
PLong.INSTANCE.toBytes(MetaDataProtocol.MIN_SYSTEM_TABLE_TIMESTAMP));
Put seqNumPut = new Put(seqTableKey);
seqNumPut.add(seqNumKV);
// Increment TABLE_SEQ_NUM in checkAndPut as semaphore so that only single client
// pre-splits the sequence table.
if (sysTable.checkAndPut(seqTableKey,
PhoenixDatabaseMetaData.TABLE_FAMILY_BYTES,
PhoenixDatabaseMetaData.TABLE_SEQ_NUM_BYTES, oldSeqNum, seqNumPut)) {
preSplitSequenceTable(conn, nSaltBuckets);
return true;
}
}
logger.info("SYSTEM.SEQUENCE table has already been upgraded");
return false;
}
// if the SYSTEM.SEQUENCE table is at 4.1.0 or before then we need to salt the table
// and pre-split it.
if (oldTable.getTimeStamp() <= MetaDataProtocol.MIN_SYSTEM_TABLE_TIMESTAMP_4_1_0) {
int batchSizeBytes = 100 * 1024; // 100K chunks
int sizeBytes = 0;
List<Mutation> mutations = Lists.newArrayListWithExpectedSize(10000);
boolean success = false;
Scan scan = new Scan();
scan.setRaw(true);
scan.setMaxVersions(MetaDataProtocol.DEFAULT_MAX_META_DATA_VERSIONS);
HTableInterface seqTable = conn.getQueryServices().getTable(PhoenixDatabaseMetaData.SYSTEM_SEQUENCE_NAME_BYTES);
try {
boolean committed = false;
logger.info("Adding salt byte to all SYSTEM.SEQUENCE rows");
ResultScanner scanner = seqTable.getScanner(scan);
try {
Result result;
while ((result = scanner.next()) != null) {
for (KeyValue keyValue : result.raw()) {
KeyValue newKeyValue = addSaltByte(keyValue, nSaltBuckets);
if (newKeyValue != null) {
sizeBytes += newKeyValue.getLength();
if (KeyValue.Type.codeToType(newKeyValue.getType()) == KeyValue.Type.Put) {
// Delete old value
byte[] buf = keyValue.getBuffer();
Delete delete = new Delete(keyValue.getRow());
KeyValue deleteKeyValue = new KeyValue(buf, keyValue.getRowOffset(), keyValue.getRowLength(),
buf, keyValue.getFamilyOffset(), keyValue.getFamilyLength(),
buf, keyValue.getQualifierOffset(), keyValue.getQualifierLength(),
keyValue.getTimestamp(), KeyValue.Type.Delete,
ByteUtil.EMPTY_BYTE_ARRAY,0,0);
delete.addDeleteMarker(deleteKeyValue);
mutations.add(delete);
sizeBytes += deleteKeyValue.getLength();
// Put new value
Put put = new Put(newKeyValue.getRow());
put.add(newKeyValue);
mutations.add(put);
} else if (KeyValue.Type.codeToType(newKeyValue.getType()) == KeyValue.Type.Delete){
// Copy delete marker using new key so that it continues
// to delete the key value preceding it that will be updated
// as well.
Delete delete = new Delete(newKeyValue.getRow());
delete.addDeleteMarker(newKeyValue);
mutations.add(delete);
}
}
if (sizeBytes >= batchSizeBytes) {
logger.info("Committing bactch of SYSTEM.SEQUENCE rows");
seqTable.batch(mutations);
mutations.clear();
sizeBytes = 0;
committed = true;
}
}
}
if (!mutations.isEmpty()) {
logger.info("Committing last bactch of SYSTEM.SEQUENCE rows");
seqTable.batch(mutations);
}
preSplitSequenceTable(conn, nSaltBuckets);
logger.info("Successfully completed upgrade of SYSTEM.SEQUENCE");
success = true;
return true;
} catch (InterruptedException e) {
throw ServerUtil.parseServerException(e);
} finally {
try {
scanner.close();
} finally {
if (!success) {
if (!committed) { // Try to recover by setting salting back to off, as we haven't successfully committed anything
// Don't use Delete here as we'd never be able to change it again at this timestamp.
KeyValue unsaltKV = KeyValueUtil.newKeyValue(seqTableKey,
PhoenixDatabaseMetaData.TABLE_FAMILY_BYTES,
PhoenixDatabaseMetaData.SALT_BUCKETS_BYTES,
MetaDataProtocol.MIN_SYSTEM_TABLE_TIMESTAMP,
PInteger.INSTANCE.toBytes(0));
Put unsaltPut = new Put(seqTableKey);
unsaltPut.add(unsaltKV);
try {
sysTable.put(unsaltPut);
success = true;
} finally {
if (!success) logger.error("SYSTEM.SEQUENCE TABLE LEFT IN CORRUPT STATE");
}
} else { // We're screwed b/c we've already committed some salted sequences...
logger.error("SYSTEM.SEQUENCE TABLE LEFT IN CORRUPT STATE");
}
}
}
}
} catch (IOException e) {
throw ServerUtil.parseServerException(e);
} finally {
try {
seqTable.close();
} catch (IOException e) {
logger.warn("Exception during close",e);
}
}
}
return false;
} catch (IOException e) {
throw ServerUtil.parseServerException(e);
} finally {
try {
sysTable.close();
} catch (IOException e) {
logger.warn("Exception during close",e);
}
}
}
@SuppressWarnings("deprecation")
private static KeyValue addSaltByte(KeyValue keyValue, int nSaltBuckets) {
byte[] buf = keyValue.getBuffer();
int length = keyValue.getRowLength();
int offset = keyValue.getRowOffset();
boolean isViewSeq = length > SEQ_PREFIX_BYTES.length && Bytes.compareTo(SEQ_PREFIX_BYTES, 0, SEQ_PREFIX_BYTES.length, buf, offset, SEQ_PREFIX_BYTES.length) == 0;
if (!isViewSeq && nSaltBuckets == 0) {
return null;
}
byte[] newBuf;
if (isViewSeq) { // We messed up the name for the sequences for view indexes so we'll take this opportunity to fix it
if (buf[length-1] == 0) { // Global indexes on views have trailing null byte
length--;
}
byte[][] rowKeyMetaData = new byte[3][];
SchemaUtil.getVarChars(buf, offset, length, 0, rowKeyMetaData);
byte[] schemaName = rowKeyMetaData[PhoenixDatabaseMetaData.SCHEMA_NAME_INDEX];
byte[] unprefixedSchemaName = new byte[schemaName.length - MetaDataUtil.VIEW_INDEX_SEQUENCE_PREFIX_BYTES.length];
System.arraycopy(schemaName, MetaDataUtil.VIEW_INDEX_SEQUENCE_PREFIX_BYTES.length, unprefixedSchemaName, 0, unprefixedSchemaName.length);
byte[] tableName = rowKeyMetaData[PhoenixDatabaseMetaData.TABLE_NAME_INDEX];
PName physicalName = PNameFactory.newName(unprefixedSchemaName);
// Reformulate key based on correct data
newBuf = MetaDataUtil.getViewIndexSequenceKey(tableName == null ? null : Bytes.toString(tableName),
physicalName, nSaltBuckets, false).getKey();
} else {
newBuf = new byte[length + 1];
System.arraycopy(buf, offset, newBuf, SaltingUtil.NUM_SALTING_BYTES, length);
newBuf[0] = SaltingUtil.getSaltingByte(newBuf, SaltingUtil.NUM_SALTING_BYTES, length, nSaltBuckets);
}
return new KeyValue(newBuf, 0, newBuf.length,
buf, keyValue.getFamilyOffset(), keyValue.getFamilyLength(),
buf, keyValue.getQualifierOffset(), keyValue.getQualifierLength(),
keyValue.getTimestamp(), KeyValue.Type.codeToType(keyValue.getType()),
buf, keyValue.getValueOffset(), keyValue.getValueLength());
}
/**
* Upgrade the metadata in the catalog table to enable adding columns to tables with views
* @param oldMetaConnection caller should take care of closing the passed connection appropriately
* @throws SQLException
*/
public static void upgradeTo4_5_0(PhoenixConnection oldMetaConnection) throws SQLException {
PhoenixConnection metaConnection = null;
try {
// Need to use own connection with max time stamp to be able to read all data from SYSTEM.CATALOG
metaConnection = new PhoenixConnection(oldMetaConnection, HConstants.LATEST_TIMESTAMP);
logger.info("Upgrading metadata to support adding columns to tables with views");
String getBaseTableAndViews = "SELECT "
+ COLUMN_FAMILY + " AS BASE_PHYSICAL_TABLE, "
+ TENANT_ID + ", "
+ TABLE_SCHEM + " AS VIEW_SCHEMA, "
+ TABLE_NAME + " AS VIEW_NAME "
+ "FROM " + SYSTEM_CATALOG_NAME
+ " WHERE " + COLUMN_FAMILY + " IS NOT NULL " // column_family column points to the physical table name.
+ " AND " + COLUMN_NAME + " IS NULL "
+ " AND " + LINK_TYPE + " = ? ";
// Build a map of base table name -> list of views on the table.
Map<String, List<ViewKey>> parentTableViewsMap = new HashMap<>();
try (PreparedStatement stmt = metaConnection.prepareStatement(getBaseTableAndViews)) {
// Get back view rows that have links back to the base physical table. This takes care
// of cases when we have a hierarchy of views too.
stmt.setByte(1, LinkType.PHYSICAL_TABLE.getSerializedValue());
try (ResultSet rs = stmt.executeQuery()) {
while (rs.next()) {
// this is actually SCHEMANAME.TABLENAME
String parentTable = rs.getString("BASE_PHYSICAL_TABLE");
String tenantId = rs.getString(TENANT_ID);
String viewSchema = rs.getString("VIEW_SCHEMA");
String viewName = rs.getString("VIEW_NAME");
List<ViewKey> viewKeysList = parentTableViewsMap.get(parentTable);
if (viewKeysList == null) {
viewKeysList = new ArrayList<>();
parentTableViewsMap.put(parentTable, viewKeysList);
}
viewKeysList.add(new ViewKey(tenantId, viewSchema, viewName));
}
}
}
boolean clearCache = false;
for (Entry<String, List<ViewKey>> entry : parentTableViewsMap.entrySet()) {
// Fetch column information for the base physical table
String physicalTable = entry.getKey();
String baseTableSchemaName = SchemaUtil.getSchemaNameFromFullName(physicalTable).equals(StringUtil.EMPTY_STRING) ? null : SchemaUtil.getSchemaNameFromFullName(physicalTable);
String baseTableName = SchemaUtil.getTableNameFromFullName(physicalTable);
List<ColumnDetails> basePhysicalTableColumns = new ArrayList<>();
// Columns fetched in order of ordinal position
String fetchColumnInfoForBasePhysicalTable = "SELECT " +
COLUMN_NAME + "," +
COLUMN_FAMILY + "," +
DATA_TYPE + "," +
COLUMN_SIZE + "," +
DECIMAL_DIGITS + "," +
ORDINAL_POSITION + "," +
SORT_ORDER + "," +
ARRAY_SIZE + " " +
"FROM SYSTEM.CATALOG " +
"WHERE " +
"TABLE_SCHEM %s " +
"AND TABLE_NAME = ? " +
"AND COLUMN_NAME IS NOT NULL " +
"ORDER BY " +
ORDINAL_POSITION;
PreparedStatement stmt = null;
if (baseTableSchemaName == null) {
fetchColumnInfoForBasePhysicalTable =
String.format(fetchColumnInfoForBasePhysicalTable, "IS NULL ");
stmt = metaConnection.prepareStatement(fetchColumnInfoForBasePhysicalTable);
stmt.setString(1, baseTableName);
} else {
fetchColumnInfoForBasePhysicalTable =
String.format(fetchColumnInfoForBasePhysicalTable, " = ? ");
stmt = metaConnection.prepareStatement(fetchColumnInfoForBasePhysicalTable);
stmt.setString(1, baseTableSchemaName);
stmt.setString(2, baseTableName);
}
try (ResultSet rs = stmt.executeQuery()) {
while (rs.next()) {
basePhysicalTableColumns.add(new ColumnDetails(rs.getString(COLUMN_FAMILY), rs
.getString(COLUMN_NAME), rs.getInt(ORDINAL_POSITION), rs
.getInt(DATA_TYPE), rs.getInt(COLUMN_SIZE), rs.getInt(DECIMAL_DIGITS),
rs.getInt(SORT_ORDER), rs.getInt(ARRAY_SIZE)));
}
}
// Fetch column information for all the views on the base physical table ordered by ordinal position.
List<ViewKey> viewKeys = entry.getValue();
StringBuilder sb = new StringBuilder();
sb.append("SELECT " +
TENANT_ID + "," +
TABLE_SCHEM + "," +
TABLE_NAME + "," +
COLUMN_NAME + "," +
COLUMN_FAMILY + "," +
DATA_TYPE + "," +
COLUMN_SIZE + "," +
DECIMAL_DIGITS + "," +
ORDINAL_POSITION + "," +
SORT_ORDER + "," +
ARRAY_SIZE + " " +
"FROM SYSTEM.CATALOG " +
"WHERE " +
COLUMN_NAME + " IS NOT NULL " +
"AND " +
ORDINAL_POSITION + " <= ? " + // fetch only those columns that would impact setting of base column count
"AND " +
"(" + TENANT_ID+ ", " + TABLE_SCHEM + ", " + TABLE_NAME + ") IN (");
int numViews = viewKeys.size();
for (int i = 0; i < numViews; i++) {
sb.append(" (?, ?, ?) ");
if (i < numViews - 1) {
sb.append(", ");
}
}
sb.append(" ) ");
sb.append(" GROUP BY " +
TENANT_ID + "," +
TABLE_SCHEM + "," +
TABLE_NAME + "," +
COLUMN_NAME + "," +
COLUMN_FAMILY + "," +
DATA_TYPE + "," +
COLUMN_SIZE + "," +
DECIMAL_DIGITS + "," +
ORDINAL_POSITION + "," +
SORT_ORDER + "," +
ARRAY_SIZE + " " +
"ORDER BY " +
TENANT_ID + "," + TABLE_SCHEM + ", " + TABLE_NAME + ", " + ORDINAL_POSITION);
String fetchViewColumnsSql = sb.toString();
stmt = metaConnection.prepareStatement(fetchViewColumnsSql);
int numColsInBaseTable = basePhysicalTableColumns.size();
stmt.setInt(1, numColsInBaseTable);
int paramIndex = 1;
stmt.setInt(paramIndex++, numColsInBaseTable);
for (ViewKey view : viewKeys) {
stmt.setString(paramIndex++, view.tenantId);
stmt.setString(paramIndex++, view.schema);
stmt.setString(paramIndex++, view.name);
}
String currentTenantId = null;
String currentViewSchema = null;
String currentViewName = null;
try (ResultSet rs = stmt.executeQuery()) {
int numBaseTableColsMatched = 0;
boolean ignore = false;
boolean baseColumnCountUpserted = false;
while (rs.next()) {
String viewTenantId = rs.getString(TENANT_ID);
String viewSchema = rs.getString(TABLE_SCHEM);
String viewName = rs.getString(TABLE_NAME);
if (!(Objects.equal(viewTenantId, currentTenantId) && Objects.equal(viewSchema, currentViewSchema) && Objects.equal(viewName, currentViewName))) {
// We are about to iterate through columns of a different view. Check whether base column count was upserted.