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Posted to commits@hive.apache.org by se...@apache.org on 2018/07/03 17:47:41 UTC
[13/46] hive git commit: HIVE-19711 Refactor Hive Schema Tool (Miklos
Gergely via Alan Gates).
HIVE-19711 Refactor Hive Schema Tool (Miklos Gergely via Alan Gates).
Project: http://git-wip-us.apache.org/repos/asf/hive/repo
Commit: http://git-wip-us.apache.org/repos/asf/hive/commit/d83a0be9
Tree: http://git-wip-us.apache.org/repos/asf/hive/tree/d83a0be9
Diff: http://git-wip-us.apache.org/repos/asf/hive/diff/d83a0be9
Branch: refs/heads/master-txnstats
Commit: d83a0be9852467b3b8b3bef84721bb49e63f57b8
Parents: e7d1781
Author: Alan Gates <ga...@hortonworks.com>
Authored: Mon Jul 2 12:58:50 2018 -0700
Committer: Alan Gates <ga...@hortonworks.com>
Committed: Mon Jul 2 12:58:50 2018 -0700
----------------------------------------------------------------------
.../java/org/apache/hive/beeline/BeeLine.java | 2 +-
.../org/apache/hive/beeline/BeeLineOpts.java | 2 +-
.../org/apache/hive/beeline/HiveSchemaTool.java | 1563 ------------------
.../hive/beeline/schematool/HiveSchemaTool.java | 415 +++++
.../schematool/HiveSchemaToolCommandLine.java | 286 ++++
.../beeline/schematool/HiveSchemaToolTask.java | 32 +
.../HiveSchemaToolTaskAlterCatalog.java | 90 +
.../HiveSchemaToolTaskCreateCatalog.java | 132 ++
.../schematool/HiveSchemaToolTaskInfo.java | 43 +
.../schematool/HiveSchemaToolTaskInit.java | 73 +
.../HiveSchemaToolTaskMoveDatabase.java | 96 ++
.../schematool/HiveSchemaToolTaskMoveTable.java | 142 ++
.../schematool/HiveSchemaToolTaskUpgrade.java | 116 ++
.../schematool/HiveSchemaToolTaskValidate.java | 631 +++++++
.../apache/hive/beeline/TestHiveSchemaTool.java | 92 --
.../beeline/schematool/TestHiveSchemaTool.java | 92 ++
bin/ext/schemaTool.sh | 4 +-
.../org/apache/hive/beeline/TestSchemaTool.java | 801 ---------
.../hive/beeline/TestSchemaToolCatalogOps.java | 417 -----
.../hive/beeline/schematool/TestSchemaTool.java | 826 +++++++++
.../schematool/TestSchemaToolCatalogOps.java | 478 ++++++
21 files changed, 3456 insertions(+), 2877 deletions(-)
----------------------------------------------------------------------
http://git-wip-us.apache.org/repos/asf/hive/blob/d83a0be9/beeline/src/java/org/apache/hive/beeline/BeeLine.java
----------------------------------------------------------------------
diff --git a/beeline/src/java/org/apache/hive/beeline/BeeLine.java b/beeline/src/java/org/apache/hive/beeline/BeeLine.java
index e1efa34..4eda8e3 100644
--- a/beeline/src/java/org/apache/hive/beeline/BeeLine.java
+++ b/beeline/src/java/org/apache/hive/beeline/BeeLine.java
@@ -172,7 +172,7 @@ public class BeeLine implements Closeable {
private static final String HIVE_VAR_PREFIX = "--hivevar";
private static final String HIVE_CONF_PREFIX = "--hiveconf";
private static final String PROP_FILE_PREFIX = "--property-file";
- static final String PASSWD_MASK = "[passwd stripped]";
+ public static final String PASSWD_MASK = "[passwd stripped]";
private final Map<Object, Object> formats = map(new Object[] {
"vertical", new VerticalOutputFormat(this),
http://git-wip-us.apache.org/repos/asf/hive/blob/d83a0be9/beeline/src/java/org/apache/hive/beeline/BeeLineOpts.java
----------------------------------------------------------------------
diff --git a/beeline/src/java/org/apache/hive/beeline/BeeLineOpts.java b/beeline/src/java/org/apache/hive/beeline/BeeLineOpts.java
index 85052d9..3877b5c 100644
--- a/beeline/src/java/org/apache/hive/beeline/BeeLineOpts.java
+++ b/beeline/src/java/org/apache/hive/beeline/BeeLineOpts.java
@@ -48,7 +48,7 @@ import jline.console.completer.StringsCompleter;
import jline.console.history.MemoryHistory;
import org.apache.hadoop.hive.conf.HiveConf;
-class BeeLineOpts implements Completer {
+public class BeeLineOpts implements Completer {
public static final int DEFAULT_MAX_WIDTH = 80;
public static final int DEFAULT_MAX_HEIGHT = 80;
public static final int DEFAULT_HEADER_INTERVAL = 100;
http://git-wip-us.apache.org/repos/asf/hive/blob/d83a0be9/beeline/src/java/org/apache/hive/beeline/HiveSchemaTool.java
----------------------------------------------------------------------
diff --git a/beeline/src/java/org/apache/hive/beeline/HiveSchemaTool.java b/beeline/src/java/org/apache/hive/beeline/HiveSchemaTool.java
deleted file mode 100644
index 2cebe72..0000000
--- a/beeline/src/java/org/apache/hive/beeline/HiveSchemaTool.java
+++ /dev/null
@@ -1,1563 +0,0 @@
-/*
- * 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.hive.beeline;
-
-import com.google.common.annotations.VisibleForTesting;
-import org.apache.commons.cli.CommandLine;
-import org.apache.commons.cli.CommandLineParser;
-import org.apache.commons.cli.GnuParser;
-import org.apache.commons.cli.HelpFormatter;
-import org.apache.commons.cli.Option;
-import org.apache.commons.cli.OptionBuilder;
-import org.apache.commons.cli.OptionGroup;
-import org.apache.commons.cli.Options;
-import org.apache.commons.cli.ParseException;
-import org.apache.commons.io.output.NullOutputStream;
-import org.apache.commons.lang.ArrayUtils;
-import org.apache.commons.lang.StringUtils;
-import org.apache.commons.lang3.tuple.Pair;
-import org.apache.hadoop.fs.Path;
-import org.apache.hadoop.hive.conf.HiveConf;
-import org.apache.hadoop.hive.conf.HiveConf.ConfVars;
-import org.apache.hadoop.hive.metastore.HiveMetaException;
-import org.apache.hadoop.hive.metastore.IMetaStoreSchemaInfo;
-import org.apache.hadoop.hive.metastore.MetaStoreSchemaInfoFactory;
-import org.apache.hadoop.hive.metastore.TableType;
-import org.apache.hadoop.hive.metastore.api.MetaException;
-import org.apache.hadoop.hive.metastore.conf.MetastoreConf;
-import org.apache.hadoop.hive.metastore.tools.HiveSchemaHelper;
-import org.apache.hadoop.hive.metastore.tools.HiveSchemaHelper.MetaStoreConnectionInfo;
-import org.apache.hadoop.hive.metastore.tools.HiveSchemaHelper.NestedScriptParser;
-import org.apache.hadoop.hive.shims.ShimLoader;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import com.google.common.collect.ImmutableMap;
-
-import java.io.BufferedReader;
-import java.io.BufferedWriter;
-import java.io.File;
-import java.io.FileReader;
-import java.io.FileWriter;
-import java.io.IOException;
-import java.io.PrintStream;
-import java.net.URI;
-import java.sql.Connection;
-import java.sql.DatabaseMetaData;
-import java.sql.PreparedStatement;
-import java.sql.ResultSet;
-import java.sql.SQLException;
-import java.sql.SQLFeatureNotSupportedException;
-import java.sql.Statement;
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.Collections;
-import java.util.List;
-import java.util.Map;
-import java.util.regex.Matcher;
-import java.util.regex.Pattern;
-
-import static org.apache.hadoop.hive.metastore.utils.StringUtils.normalizeIdentifier;
-
-public class HiveSchemaTool {
- private String userName = null;
- private String passWord = null;
- private boolean dryRun = false;
- private boolean verbose = false;
- private String dbOpts = null;
- private String url = null;
- private String driver = null;
- private URI[] validationServers = null; // The list of servers the database/partition/table can locate on
- private final HiveConf hiveConf;
- private final String dbType;
- private final String metaDbType;
- private final IMetaStoreSchemaInfo metaStoreSchemaInfo;
- private boolean needsQuotedIdentifier;
- private String quoteCharacter;
-
- static final private Logger LOG = LoggerFactory.getLogger(HiveSchemaTool.class.getName());
-
- public HiveSchemaTool(String dbType, String metaDbType) throws HiveMetaException {
- this(System.getenv("HIVE_HOME"), new HiveConf(HiveSchemaTool.class), dbType, metaDbType);
- }
-
- public HiveSchemaTool(String hiveHome, HiveConf hiveConf, String dbType, String metaDbType)
- throws HiveMetaException {
- if (hiveHome == null || hiveHome.isEmpty()) {
- throw new HiveMetaException("No Hive home directory provided");
- }
- this.hiveConf = hiveConf;
- this.dbType = dbType;
- this.metaDbType = metaDbType;
- NestedScriptParser parser = getDbCommandParser(dbType, metaDbType);
- this.needsQuotedIdentifier = parser.needsQuotedIdentifier();
- this.quoteCharacter = parser.getQuoteCharacter();
- this.metaStoreSchemaInfo = MetaStoreSchemaInfoFactory.get(hiveConf, hiveHome, dbType);
- // If the dbType is "hive", this is setting up the information schema in Hive.
- // We will set the default jdbc url and driver.
- // It is overriden by command line options if passed (-url and -driver
- if (dbType.equalsIgnoreCase(HiveSchemaHelper.DB_HIVE)) {
- url = HiveSchemaHelper.EMBEDDED_HS2_URL;
- driver = HiveSchemaHelper.HIVE_JDBC_DRIVER;
- }
- }
-
- public HiveConf getHiveConf() {
- return hiveConf;
- }
-
- public void setUrl(String url) {
- this.url = url;
- }
-
- public void setDriver(String driver) {
- this.driver = driver;
- }
-
- public void setUserName(String userName) {
- this.userName = userName;
- }
-
- public void setPassWord(String passWord) {
- this.passWord = passWord;
- }
-
- public void setDryRun(boolean dryRun) {
- this.dryRun = dryRun;
- }
-
- public void setVerbose(boolean verbose) {
- this.verbose = verbose;
- }
-
- public void setDbOpts(String dbOpts) {
- this.dbOpts = dbOpts;
- }
-
- public void setValidationServers(String servers) {
- if(StringUtils.isNotEmpty(servers)) {
- String[] strServers = servers.split(",");
- this.validationServers = new URI[strServers.length];
- for (int i = 0; i < validationServers.length; i++) {
- validationServers[i] = new Path(strServers[i]).toUri();
- }
- }
- }
-
- private static void printAndExit(Options cmdLineOptions) {
- HelpFormatter formatter = new HelpFormatter();
- formatter.printHelp("schemaTool", cmdLineOptions);
- System.exit(1);
- }
-
- Connection getConnectionToMetastore(boolean printInfo) throws HiveMetaException {
- return HiveSchemaHelper.getConnectionToMetastore(userName, passWord, url, driver, printInfo, hiveConf,
- null);
- }
-
- private NestedScriptParser getDbCommandParser(String dbType, String metaDbType) {
- return HiveSchemaHelper.getDbCommandParser(dbType, dbOpts, userName, passWord, hiveConf,
- metaDbType, false);
- }
-
- /***
- * Print Hive version and schema version
- * @throws MetaException
- */
- public void showInfo() throws HiveMetaException {
- String hiveVersion = metaStoreSchemaInfo.getHiveSchemaVersion();
- String dbVersion = metaStoreSchemaInfo.getMetaStoreSchemaVersion(getConnectionInfo(true));
- System.out.println("Hive distribution version:\t " + hiveVersion);
- System.out.println("Metastore schema version:\t " + dbVersion);
- assertCompatibleVersion(hiveVersion, dbVersion);
- }
-
- boolean validateLocations(Connection conn, URI[] defaultServers) throws HiveMetaException {
- System.out.println("Validating DFS locations");
- boolean rtn;
- rtn = checkMetaStoreDBLocation(conn, defaultServers);
- rtn = checkMetaStoreTableLocation(conn, defaultServers) && rtn;
- rtn = checkMetaStorePartitionLocation(conn, defaultServers) && rtn;
- rtn = checkMetaStoreSkewedColumnsLocation(conn, defaultServers) && rtn;
- System.out.println((rtn ? "Succeeded" : "Failed") + " in DFS location validation.");
- return rtn;
- }
-
- private String getNameOrID(ResultSet res, int nameInx, int idInx) throws SQLException {
- String itemName = res.getString(nameInx);
- return (itemName == null || itemName.isEmpty()) ? "ID: " + res.getString(idInx) : "Name: " + itemName;
- }
-
- private boolean checkMetaStoreDBLocation(Connection conn, URI[] defaultServers)
- throws HiveMetaException {
- String dbLoc;
- boolean isValid = true;
- int numOfInvalid = 0;
- if (needsQuotedIdentifier) {
- dbLoc = "select dbt.\"DB_ID\", dbt.\"NAME\", dbt.\"DB_LOCATION_URI\" from \"DBS\" dbt order by dbt.\"DB_ID\" ";
- } else {
- dbLoc = "select dbt.DB_ID, dbt.NAME, dbt.DB_LOCATION_URI from DBS dbt order by dbt.DB_ID";
- }
-
- try(Statement stmt = conn.createStatement();
- ResultSet res = stmt.executeQuery(dbLoc)) {
- while (res.next()) {
- String locValue = res.getString(3);
- String dbName = getNameOrID(res,2,1);
- if (!checkLocation("Database " + dbName, locValue, defaultServers)) {
- numOfInvalid++;
- }
- }
- } catch (SQLException e) {
- throw new HiveMetaException("Failed to get DB Location Info.", e);
- }
- if (numOfInvalid > 0) {
- isValid = false;
- }
- return isValid;
- }
-
- private boolean checkMetaStoreTableLocation(Connection conn, URI[] defaultServers)
- throws HiveMetaException {
- String tabLoc, tabIDRange;
- boolean isValid = true;
- int numOfInvalid = 0;
- if (needsQuotedIdentifier) {
- tabIDRange = "select max(\"TBL_ID\"), min(\"TBL_ID\") from \"TBLS\" ";
- } else {
- tabIDRange = "select max(TBL_ID), min(TBL_ID) from TBLS";
- }
-
- if (needsQuotedIdentifier) {
- tabLoc = "select tbl.\"TBL_ID\", tbl.\"TBL_NAME\", sd.\"LOCATION\", dbt.\"DB_ID\", dbt.\"NAME\" from \"TBLS\" tbl inner join " +
- "\"SDS\" sd on tbl.\"SD_ID\" = sd.\"SD_ID\" and tbl.\"TBL_TYPE\" != '" + TableType.VIRTUAL_VIEW +
- "' and tbl.\"TBL_ID\" >= ? and tbl.\"TBL_ID\"<= ? " + "inner join \"DBS\" dbt on tbl.\"DB_ID\" = dbt.\"DB_ID\" order by tbl.\"TBL_ID\" ";
- } else {
- tabLoc = "select tbl.TBL_ID, tbl.TBL_NAME, sd.LOCATION, dbt.DB_ID, dbt.NAME from TBLS tbl join SDS sd on tbl.SD_ID = sd.SD_ID and tbl.TBL_TYPE !='"
- + TableType.VIRTUAL_VIEW + "' and tbl.TBL_ID >= ? and tbl.TBL_ID <= ? inner join DBS dbt on tbl.DB_ID = dbt.DB_ID order by tbl.TBL_ID";
- }
-
- long maxID = 0, minID = 0;
- long rtnSize = 2000;
-
- try {
- Statement stmt = conn.createStatement();
- ResultSet res = stmt.executeQuery(tabIDRange);
- if (res.next()) {
- maxID = res.getLong(1);
- minID = res.getLong(2);
- }
- res.close();
- stmt.close();
- PreparedStatement pStmt = conn.prepareStatement(tabLoc);
- while (minID <= maxID) {
- pStmt.setLong(1, minID);
- pStmt.setLong(2, minID + rtnSize);
- res = pStmt.executeQuery();
- while (res.next()) {
- String locValue = res.getString(3);
- String entity = "Database " + getNameOrID(res, 5, 4) +
- ", Table " + getNameOrID(res,2,1);
- if (!checkLocation(entity, locValue, defaultServers)) {
- numOfInvalid++;
- }
- }
- res.close();
- minID += rtnSize + 1;
-
- }
- pStmt.close();
-
- } catch (SQLException e) {
- throw new HiveMetaException("Failed to get Table Location Info.", e);
- }
- if (numOfInvalid > 0) {
- isValid = false;
- }
- return isValid;
- }
-
- private boolean checkMetaStorePartitionLocation(Connection conn, URI[] defaultServers)
- throws HiveMetaException {
- String partLoc, partIDRange;
- boolean isValid = true;
- int numOfInvalid = 0;
- if (needsQuotedIdentifier) {
- partIDRange = "select max(\"PART_ID\"), min(\"PART_ID\") from \"PARTITIONS\" ";
- } else {
- partIDRange = "select max(PART_ID), min(PART_ID) from PARTITIONS";
- }
-
- if (needsQuotedIdentifier) {
- partLoc = "select pt.\"PART_ID\", pt.\"PART_NAME\", sd.\"LOCATION\", tbl.\"TBL_ID\", tbl.\"TBL_NAME\",dbt.\"DB_ID\", dbt.\"NAME\" from \"PARTITIONS\" pt "
- + "inner join \"SDS\" sd on pt.\"SD_ID\" = sd.\"SD_ID\" and pt.\"PART_ID\" >= ? and pt.\"PART_ID\"<= ? "
- + " inner join \"TBLS\" tbl on pt.\"TBL_ID\" = tbl.\"TBL_ID\" inner join "
- + "\"DBS\" dbt on tbl.\"DB_ID\" = dbt.\"DB_ID\" order by tbl.\"TBL_ID\" ";
- } else {
- partLoc = "select pt.PART_ID, pt.PART_NAME, sd.LOCATION, tbl.TBL_ID, tbl.TBL_NAME, dbt.DB_ID, dbt.NAME from PARTITIONS pt "
- + "inner join SDS sd on pt.SD_ID = sd.SD_ID and pt.PART_ID >= ? and pt.PART_ID <= ? "
- + "inner join TBLS tbl on tbl.TBL_ID = pt.TBL_ID inner join DBS dbt on tbl.DB_ID = dbt.DB_ID order by tbl.TBL_ID ";
- }
-
- long maxID = 0, minID = 0;
- long rtnSize = 2000;
-
- try {
- Statement stmt = conn.createStatement();
- ResultSet res = stmt.executeQuery(partIDRange);
- if (res.next()) {
- maxID = res.getLong(1);
- minID = res.getLong(2);
- }
- res.close();
- stmt.close();
- PreparedStatement pStmt = conn.prepareStatement(partLoc);
- while (minID <= maxID) {
- pStmt.setLong(1, minID);
- pStmt.setLong(2, minID + rtnSize);
- res = pStmt.executeQuery();
- while (res.next()) {
- String locValue = res.getString(3);
- String entity = "Database " + getNameOrID(res,7,6) +
- ", Table " + getNameOrID(res,5,4) +
- ", Partition " + getNameOrID(res,2,1);
- if (!checkLocation(entity, locValue, defaultServers)) {
- numOfInvalid++;
- }
- }
- res.close();
- minID += rtnSize + 1;
- }
- pStmt.close();
- } catch (SQLException e) {
- throw new HiveMetaException("Failed to get Partition Location Info.", e);
- }
- if (numOfInvalid > 0) {
- isValid = false;
- }
- return isValid;
- }
-
- private boolean checkMetaStoreSkewedColumnsLocation(Connection conn, URI[] defaultServers)
- throws HiveMetaException {
- String skewedColLoc, skewedColIDRange;
- boolean isValid = true;
- int numOfInvalid = 0;
- if (needsQuotedIdentifier) {
- skewedColIDRange = "select max(\"STRING_LIST_ID_KID\"), min(\"STRING_LIST_ID_KID\") from \"SKEWED_COL_VALUE_LOC_MAP\" ";
- } else {
- skewedColIDRange = "select max(STRING_LIST_ID_KID), min(STRING_LIST_ID_KID) from SKEWED_COL_VALUE_LOC_MAP";
- }
-
- if (needsQuotedIdentifier) {
- skewedColLoc = "select t.\"TBL_NAME\", t.\"TBL_ID\", sk.\"STRING_LIST_ID_KID\", sk.\"LOCATION\", db.\"NAME\", db.\"DB_ID\" "
- + " from \"TBLS\" t, \"SDS\" s, \"DBS\" db, \"SKEWED_COL_VALUE_LOC_MAP\" sk "
- + "where sk.\"SD_ID\" = s.\"SD_ID\" and s.\"SD_ID\" = t.\"SD_ID\" and t.\"DB_ID\" = db.\"DB_ID\" and "
- + "sk.\"STRING_LIST_ID_KID\" >= ? and sk.\"STRING_LIST_ID_KID\" <= ? order by t.\"TBL_ID\" ";
- } else {
- skewedColLoc = "select t.TBL_NAME, t.TBL_ID, sk.STRING_LIST_ID_KID, sk.LOCATION, db.NAME, db.DB_ID from TBLS t, SDS s, DBS db, SKEWED_COL_VALUE_LOC_MAP sk "
- + "where sk.SD_ID = s.SD_ID and s.SD_ID = t.SD_ID and t.DB_ID = db.DB_ID and sk.STRING_LIST_ID_KID >= ? and sk.STRING_LIST_ID_KID <= ? order by t.TBL_ID ";
- }
-
- long maxID = 0, minID = 0;
- long rtnSize = 2000;
-
- try {
- Statement stmt = conn.createStatement();
- ResultSet res = stmt.executeQuery(skewedColIDRange);
- if (res.next()) {
- maxID = res.getLong(1);
- minID = res.getLong(2);
- }
- res.close();
- stmt.close();
- PreparedStatement pStmt = conn.prepareStatement(skewedColLoc);
- while (minID <= maxID) {
- pStmt.setLong(1, minID);
- pStmt.setLong(2, minID + rtnSize);
- res = pStmt.executeQuery();
- while (res.next()) {
- String locValue = res.getString(4);
- String entity = "Database " + getNameOrID(res,5,6) +
- ", Table " + getNameOrID(res,1,2) +
- ", String list " + res.getString(3);
- if (!checkLocation(entity, locValue, defaultServers)) {
- numOfInvalid++;
- }
- }
- res.close();
- minID += rtnSize + 1;
- }
- pStmt.close();
- } catch (SQLException e) {
- throw new HiveMetaException("Failed to get skewed columns location info.", e);
- }
- if (numOfInvalid > 0) {
- isValid = false;
- }
- return isValid;
- }
-
- /**
- * Check if the location is valid for the given entity
- * @param entity the entity to represent a database, partition or table
- * @param entityLocation the location
- * @param defaultServers a list of the servers that the location needs to match.
- * The location host needs to match one of the given servers.
- * If empty, then no check against such list.
- * @return true if the location is valid
- */
- private boolean checkLocation(
- String entity,
- String entityLocation,
- URI[] defaultServers) {
- boolean isValid = true;
- if (entityLocation == null) {
- System.err.println(entity + ", Error: empty location");
- isValid = false;
- } else {
- try {
- URI currentUri = new Path(entityLocation).toUri();
- String scheme = currentUri.getScheme();
- String path = currentUri.getPath();
- if (StringUtils.isEmpty(scheme)) {
- System.err.println(entity + ", Location: "+ entityLocation + ", Error: missing location scheme.");
- isValid = false;
- } else if (StringUtils.isEmpty(path)) {
- System.err.println(entity + ", Location: "+ entityLocation + ", Error: missing location path.");
- isValid = false;
- } else if (ArrayUtils.isNotEmpty(defaultServers) && currentUri.getAuthority() != null) {
- String authority = currentUri.getAuthority();
- boolean matchServer = false;
- for(URI server : defaultServers) {
- if (StringUtils.equalsIgnoreCase(server.getScheme(), scheme) &&
- StringUtils.equalsIgnoreCase(server.getAuthority(), authority)) {
- matchServer = true;
- break;
- }
- }
- if (!matchServer) {
- System.err.println(entity + ", Location: " + entityLocation + ", Error: mismatched server.");
- isValid = false;
- }
- }
-
- // if there is no path element other than "/", report it but not fail
- if (isValid && StringUtils.containsOnly(path, "/")) {
- System.err.println(entity + ", Location: "+ entityLocation + ", Warn: location set to root, not a recommended config.");
- }
- } catch (Exception pe) {
- System.err.println(entity + ", Error: invalid location - " + pe.getMessage());
- isValid =false;
- }
- }
-
- return isValid;
- }
-
- // test the connection metastore using the config property
- private void testConnectionToMetastore() throws HiveMetaException {
- Connection conn = getConnectionToMetastore(true);
- try {
- conn.close();
- } catch (SQLException e) {
- throw new HiveMetaException("Failed to close metastore connection", e);
- }
- }
-
-
- /**
- * check if the current schema version in metastore matches the Hive version
- * @throws MetaException
- */
- public void verifySchemaVersion() throws HiveMetaException {
- // don't check version if its a dry run
- if (dryRun) {
- return;
- }
- String newSchemaVersion = metaStoreSchemaInfo.getMetaStoreSchemaVersion(getConnectionInfo(false));
- // verify that the new version is added to schema
- assertCompatibleVersion(metaStoreSchemaInfo.getHiveSchemaVersion(), newSchemaVersion);
- }
-
- private void assertCompatibleVersion(String hiveSchemaVersion, String dbSchemaVersion)
- throws HiveMetaException {
- if (!metaStoreSchemaInfo.isVersionCompatible(hiveSchemaVersion, dbSchemaVersion)) {
- throw new HiveMetaException("Metastore schema version is not compatible. Hive Version: "
- + hiveSchemaVersion + ", Database Schema Version: " + dbSchemaVersion);
- }
- }
-
- /**
- * Perform metastore schema upgrade. extract the current schema version from metastore
- * @throws MetaException
- */
- public void doUpgrade() throws HiveMetaException {
- String fromVersion =
- metaStoreSchemaInfo.getMetaStoreSchemaVersion(getConnectionInfo(false));
- if (fromVersion == null || fromVersion.isEmpty()) {
- throw new HiveMetaException("Schema version not stored in the metastore. " +
- "Metastore schema is too old or corrupt. Try specifying the version manually");
- }
- doUpgrade(fromVersion);
- }
-
- private MetaStoreConnectionInfo getConnectionInfo(boolean printInfo) {
- return new MetaStoreConnectionInfo(userName, passWord, url, driver, printInfo, hiveConf,
- dbType, metaDbType);
- }
- /**
- * Perform metastore schema upgrade
- *
- * @param fromSchemaVer
- * Existing version of the metastore. If null, then read from the metastore
- * @throws MetaException
- */
- public void doUpgrade(String fromSchemaVer) throws HiveMetaException {
- if (metaStoreSchemaInfo.getHiveSchemaVersion().equals(fromSchemaVer)) {
- System.out.println("No schema upgrade required from version " + fromSchemaVer);
- return;
- }
- // Find the list of scripts to execute for this upgrade
- List<String> upgradeScripts =
- metaStoreSchemaInfo.getUpgradeScripts(fromSchemaVer);
- testConnectionToMetastore();
- System.out.println("Starting upgrade metastore schema from version " +
- fromSchemaVer + " to " + metaStoreSchemaInfo.getHiveSchemaVersion());
- String scriptDir = metaStoreSchemaInfo.getMetaStoreScriptDir();
- try {
- for (String scriptFile : upgradeScripts) {
- System.out.println("Upgrade script " + scriptFile);
- if (!dryRun) {
- runPreUpgrade(scriptDir, scriptFile);
- runBeeLine(scriptDir, scriptFile);
- System.out.println("Completed " + scriptFile);
- }
- }
- } catch (IOException eIO) {
- throw new HiveMetaException(
- "Upgrade FAILED! Metastore state would be inconsistent !!", eIO);
- }
-
- // Revalidated the new version after upgrade
- verifySchemaVersion();
- }
-
- /**
- * Initialize the metastore schema to current version
- *
- * @throws MetaException
- */
- public void doInit() throws HiveMetaException {
- doInit(metaStoreSchemaInfo.getHiveSchemaVersion());
-
- // Revalidated the new version after upgrade
- verifySchemaVersion();
- }
-
- /**
- * Initialize the metastore schema
- *
- * @param toVersion
- * If null then current hive version is used
- * @throws MetaException
- */
- public void doInit(String toVersion) throws HiveMetaException {
- testConnectionToMetastore();
- System.out.println("Starting metastore schema initialization to " + toVersion);
-
- String initScriptDir = metaStoreSchemaInfo.getMetaStoreScriptDir();
- String initScriptFile = metaStoreSchemaInfo.generateInitFileName(toVersion);
-
- try {
- System.out.println("Initialization script " + initScriptFile);
- if (!dryRun) {
- runBeeLine(initScriptDir, initScriptFile);
- System.out.println("Initialization script completed");
- }
- } catch (IOException e) {
- throw new HiveMetaException("Schema initialization FAILED!" +
- " Metastore state would be inconsistent !!", e);
- }
- }
-
- public void doValidate() throws HiveMetaException {
- System.out.println("Starting metastore validation\n");
- Connection conn = getConnectionToMetastore(false);
- boolean success = true;
- try {
- if (validateSchemaVersions()) {
- System.out.println("[SUCCESS]\n");
- } else {
- success = false;
- System.out.println("[FAIL]\n");
- }
- if (validateSequences(conn)) {
- System.out.println("[SUCCESS]\n");
- } else {
- success = false;
- System.out.println("[FAIL]\n");
- }
- if (validateSchemaTables(conn)) {
- System.out.println("[SUCCESS]\n");
- } else {
- success = false;
- System.out.println("[FAIL]\n");
- }
- if (validateLocations(conn, this.validationServers)) {
- System.out.println("[SUCCESS]\n");
- } else {
- System.out.println("[WARN]\n");
- }
- if (validateColumnNullValues(conn)) {
- System.out.println("[SUCCESS]\n");
- } else {
- System.out.println("[WARN]\n");
- }
- } finally {
- if (conn != null) {
- try {
- conn.close();
- } catch (SQLException e) {
- throw new HiveMetaException("Failed to close metastore connection", e);
- }
- }
- }
-
- System.out.print("Done with metastore validation: ");
- if (!success) {
- System.out.println("[FAIL]");
- System.exit(1);
- } else {
- System.out.println("[SUCCESS]");
- }
- }
-
- boolean validateSequences(Connection conn) throws HiveMetaException {
- Map<String, Pair<String, String>> seqNameToTable =
- new ImmutableMap.Builder<String, Pair<String, String>>()
- .put("MDatabase", Pair.of("DBS", "DB_ID"))
- .put("MRole", Pair.of("ROLES", "ROLE_ID"))
- .put("MGlobalPrivilege", Pair.of("GLOBAL_PRIVS", "USER_GRANT_ID"))
- .put("MTable", Pair.of("TBLS","TBL_ID"))
- .put("MStorageDescriptor", Pair.of("SDS", "SD_ID"))
- .put("MSerDeInfo", Pair.of("SERDES", "SERDE_ID"))
- .put("MColumnDescriptor", Pair.of("CDS", "CD_ID"))
- .put("MTablePrivilege", Pair.of("TBL_PRIVS", "TBL_GRANT_ID"))
- .put("MTableColumnStatistics", Pair.of("TAB_COL_STATS", "CS_ID"))
- .put("MPartition", Pair.of("PARTITIONS", "PART_ID"))
- .put("MPartitionColumnStatistics", Pair.of("PART_COL_STATS", "CS_ID"))
- .put("MFunction", Pair.of("FUNCS", "FUNC_ID"))
- .put("MIndex", Pair.of("IDXS", "INDEX_ID"))
- .put("MStringList", Pair.of("SKEWED_STRING_LIST", "STRING_LIST_ID"))
- .build();
-
- System.out.println("Validating sequence number for SEQUENCE_TABLE");
-
- boolean isValid = true;
- try {
- Statement stmt = conn.createStatement();
- for (String seqName : seqNameToTable.keySet()) {
- String tableName = seqNameToTable.get(seqName).getLeft();
- String tableKey = seqNameToTable.get(seqName).getRight();
- String fullSequenceName = "org.apache.hadoop.hive.metastore.model." + seqName;
- String seqQuery = needsQuotedIdentifier ?
- ("select t.\"NEXT_VAL\" from \"SEQUENCE_TABLE\" t WHERE t.\"SEQUENCE_NAME\"=? order by t.\"SEQUENCE_NAME\" ")
- : ("select t.NEXT_VAL from SEQUENCE_TABLE t WHERE t.SEQUENCE_NAME=? order by t.SEQUENCE_NAME ");
- String maxIdQuery = needsQuotedIdentifier ?
- ("select max(\"" + tableKey + "\") from \"" + tableName + "\"")
- : ("select max(" + tableKey + ") from " + tableName);
-
- ResultSet res = stmt.executeQuery(maxIdQuery);
- if (res.next()) {
- long maxId = res.getLong(1);
- if (maxId > 0) {
- PreparedStatement pStmt = conn.prepareStatement(seqQuery);
- pStmt.setString(1, fullSequenceName);
- ResultSet resSeq = pStmt.executeQuery();
- if (!resSeq.next()) {
- isValid = false;
- System.err.println("Missing SEQUENCE_NAME " + seqName + " from SEQUENCE_TABLE");
- } else if (resSeq.getLong(1) < maxId) {
- isValid = false;
- System.err.println("NEXT_VAL for " + seqName + " in SEQUENCE_TABLE < max(" +
- tableKey + ") in " + tableName);
- }
- }
- }
- }
-
- System.out.println((isValid ? "Succeeded" :"Failed") + " in sequence number validation for SEQUENCE_TABLE.");
- return isValid;
- } catch(SQLException e) {
- throw new HiveMetaException("Failed to validate sequence number for SEQUENCE_TABLE", e);
- }
- }
-
- boolean validateSchemaVersions() throws HiveMetaException {
- System.out.println("Validating schema version");
- try {
- String newSchemaVersion = metaStoreSchemaInfo.getMetaStoreSchemaVersion(getConnectionInfo(false));
- assertCompatibleVersion(metaStoreSchemaInfo.getHiveSchemaVersion(), newSchemaVersion);
- } catch (HiveMetaException hme) {
- if (hme.getMessage().contains("Metastore schema version is not compatible")
- || hme.getMessage().contains("Multiple versions were found in metastore")
- || hme.getMessage().contains("Could not find version info in metastore VERSION table")) {
- System.err.println(hme.getMessage());
- System.out.println("Failed in schema version validation.");
- return false;
- } else {
- throw hme;
- }
- }
- System.out.println("Succeeded in schema version validation.");
- return true;
- }
-
- boolean validateSchemaTables(Connection conn) throws HiveMetaException {
- String version = null;
- ResultSet rs = null;
- DatabaseMetaData metadata = null;
- List<String> dbTables = new ArrayList<String>();
- List<String> schemaTables = new ArrayList<String>();
- List<String> subScripts = new ArrayList<String>();
- Connection hmsConn = getConnectionToMetastore(false);
-
- System.out.println("Validating metastore schema tables");
- try {
- version = metaStoreSchemaInfo.getMetaStoreSchemaVersion(getConnectionInfo(false));
- } catch (HiveMetaException he) {
- System.err.println("Failed to determine schema version from Hive Metastore DB. " + he.getMessage());
- System.out.println("Failed in schema table validation.");
- LOG.debug("Failed to determine schema version from Hive Metastore DB," + he.getMessage());
- return false;
- }
-
- // re-open the hms connection
- hmsConn = getConnectionToMetastore(false);
-
- LOG.debug("Validating tables in the schema for version " + version);
- try {
- String schema = null;
- try {
- schema = hmsConn.getSchema();
- } catch (SQLFeatureNotSupportedException e) {
- LOG.debug("schema is not supported");
- }
-
- metadata = conn.getMetaData();
- String[] types = {"TABLE"};
- rs = metadata.getTables(null, schema, "%", types);
- String table = null;
-
- while (rs.next()) {
- table = rs.getString("TABLE_NAME");
- dbTables.add(table.toLowerCase());
- LOG.debug("Found table " + table + " in HMS dbstore");
- }
- } catch (SQLException e) {
- throw new HiveMetaException("Failed to retrieve schema tables from Hive Metastore DB", e);
- } finally {
- if (rs != null) {
- try {
- rs.close();
- } catch (SQLException e) {
- throw new HiveMetaException("Failed to close resultset", e);
- }
- }
- }
-
- // parse the schema file to determine the tables that are expected to exist
- // we are using oracle schema because it is simpler to parse, no quotes or backticks etc
- String baseDir = new File(metaStoreSchemaInfo.getMetaStoreScriptDir()).getParent();
- String schemaFile = new File(metaStoreSchemaInfo.getMetaStoreScriptDir(),
- metaStoreSchemaInfo.generateInitFileName(version)).getPath();
- try {
- LOG.debug("Parsing schema script " + schemaFile);
- subScripts.addAll(findCreateTable(schemaFile, schemaTables));
- while (subScripts.size() > 0) {
- schemaFile = baseDir + "/" + dbType + "/" + subScripts.remove(0);
- LOG.debug("Parsing subscript " + schemaFile);
- subScripts.addAll(findCreateTable(schemaFile, schemaTables));
- }
- } catch (Exception e) {
- System.err.println("Exception in parsing schema file. Cause:" + e.getMessage());
- System.out.println("Failed in schema table validation.");
- return false;
- }
-
- LOG.debug("Schema tables:[ " + Arrays.toString(schemaTables.toArray()) + " ]");
- LOG.debug("DB tables:[ " + Arrays.toString(dbTables.toArray()) + " ]");
- // now diff the lists
- schemaTables.removeAll(dbTables);
- if (schemaTables.size() > 0) {
- Collections.sort(schemaTables);
- System.err.println("Table(s) [ " + Arrays.toString(schemaTables.toArray())
- + " ] are missing from the metastore database schema.");
- System.out.println("Failed in schema table validation.");
- return false;
- } else {
- System.out.println("Succeeded in schema table validation.");
- return true;
- }
- }
-
- private List<String> findCreateTable(String path, List<String> tableList)
- throws Exception {
- NestedScriptParser sp = HiveSchemaHelper.getDbCommandParser(dbType, false);
- Matcher matcher = null;
- Pattern regexp = null;
- List<String> subs = new ArrayList<String>();
- int groupNo = 2;
-
- regexp = Pattern.compile("CREATE TABLE(\\s+IF NOT EXISTS)?\\s+(\\S+).*");
-
- if (!(new File(path)).exists()) {
- throw new Exception(path + " does not exist. Potentially incorrect version in the metastore VERSION table");
- }
-
- try (
- BufferedReader reader = new BufferedReader(new FileReader(path));
- ){
- String line = null;
- while ((line = reader.readLine()) != null) {
- if (sp.isNestedScript(line)) {
- String subScript = null;
- subScript = sp.getScriptName(line);
- LOG.debug("Schema subscript " + subScript + " found");
- subs.add(subScript);
- continue;
- }
- line = line.replaceAll("( )+", " "); //suppress multi-spaces
- line = line.replaceAll("\\(", " ");
- line = line.replaceAll("IF NOT EXISTS ", "");
- line = line.replaceAll("`","");
- line = line.replaceAll("'","");
- line = line.replaceAll("\"","");
- matcher = regexp.matcher(line);
-
- if (matcher.find()) {
- String table = matcher.group(groupNo);
- if (dbType.equals("derby"))
- table = table.replaceAll("APP\\.","");
- tableList.add(table.toLowerCase());
- LOG.debug("Found table " + table + " in the schema");
- }
- }
- } catch (IOException ex){
- throw new Exception(ex.getMessage());
- }
-
- return subs;
- }
-
- boolean validateColumnNullValues(Connection conn) throws HiveMetaException {
- System.out.println("Validating columns for incorrect NULL values.");
- boolean isValid = true;
- try {
- Statement stmt = conn.createStatement();
- String tblQuery = needsQuotedIdentifier ?
- ("select t.* from \"TBLS\" t WHERE t.\"SD_ID\" IS NULL and (t.\"TBL_TYPE\"='" + TableType.EXTERNAL_TABLE + "' or t.\"TBL_TYPE\"='" + TableType.MANAGED_TABLE + "') order by t.\"TBL_ID\" ")
- : ("select t.* from TBLS t WHERE t.SD_ID IS NULL and (t.TBL_TYPE='" + TableType.EXTERNAL_TABLE + "' or t.TBL_TYPE='" + TableType.MANAGED_TABLE + "') order by t.TBL_ID ");
-
- ResultSet res = stmt.executeQuery(tblQuery);
- while (res.next()) {
- long tableId = res.getLong("TBL_ID");
- String tableName = res.getString("TBL_NAME");
- String tableType = res.getString("TBL_TYPE");
- isValid = false;
- System.err.println("SD_ID in TBLS should not be NULL for Table Name=" + tableName + ", Table ID=" + tableId + ", Table Type=" + tableType);
- }
-
- System.out.println((isValid ? "Succeeded" : "Failed") + " in column validation for incorrect NULL values.");
- return isValid;
- } catch(SQLException e) {
- throw new HiveMetaException("Failed to validate columns for incorrect NULL values", e);
- }
- }
-
- @VisibleForTesting
- void createCatalog(String catName, String location, String description, boolean ifNotExists)
- throws HiveMetaException {
- catName = normalizeIdentifier(catName);
- System.out.println("Create catalog " + catName + " at location " + location);
-
- Connection conn = getConnectionToMetastore(true);
- boolean success = false;
- try {
- conn.setAutoCommit(false);
- try (Statement stmt = conn.createStatement()) {
- // If they set ifNotExists check for existence first, and bail if it exists. This is
- // more reliable then attempting to parse the error message from the SQLException.
- if (ifNotExists) {
- String query = "select " + quoteIf("NAME") + " from " + quoteIf("CTLGS") +
- " where " + quoteIf("NAME") + " = '" + catName + "'";
- LOG.debug("Going to run " + query);
- ResultSet rs = stmt.executeQuery(query);
- if (rs.next()) {
- System.out.println("Catalog " + catName + " already exists");
- return;
- }
- }
- String query = "select max(" + quoteIf("CTLG_ID") + ") from " + quoteIf("CTLGS");
- LOG.debug("Going to run " + query);
- ResultSet rs = stmt.executeQuery(query);
- if (!rs.next()) {
- throw new HiveMetaException("No catalogs found, have you upgraded the database?");
- }
- int catNum = rs.getInt(1) + 1;
- // We need to stay out of the way of any sequences used by the underlying database.
- // Otherwise the next time the client tries to add a catalog we'll get an error.
- // There should never be billions of catalogs, so we'll shift our sequence number up
- // there to avoid clashes.
- int floor = 1 << 30;
- if (catNum < floor) catNum = floor;
-
- String update = "insert into " + quoteIf("CTLGS") +
- "(" + quoteIf("CTLG_ID") + ", " + quoteIf("NAME") + ", " + quoteAlways("DESC") + ", " + quoteIf( "LOCATION_URI") + ") " +
- " values (" + catNum + ", '" + catName + "', '" + description + "', '" + location + "')";
- LOG.debug("Going to run " + update);
- stmt.execute(update);
- conn.commit();
- success = true;
- }
- } catch (SQLException e) {
- throw new HiveMetaException("Failed to add catalog", e);
- } finally {
- try {
- if (!success) conn.rollback();
- } catch (SQLException e) {
- // Not really much we can do here.
- LOG.error("Failed to rollback, everything will probably go bad from here.", e);
- }
- }
- }
-
- @VisibleForTesting
- void alterCatalog(String catName, String location, String description) throws HiveMetaException {
- if (location == null && description == null) {
- throw new HiveMetaException("Asked to update catalog " + catName +
- " but not given any changes to update");
- }
- catName = normalizeIdentifier(catName);
- System.out.println("Updating catalog " + catName);
-
- Connection conn = getConnectionToMetastore(true);
- boolean success = false;
- try {
- conn.setAutoCommit(false);
- try (Statement stmt = conn.createStatement()) {
- StringBuilder update = new StringBuilder("update ")
- .append(quoteIf("CTLGS"))
- .append(" set ");
- if (location != null) {
- update.append(quoteIf("LOCATION_URI"))
- .append(" = '")
- .append(location)
- .append("' ");
- }
- if (description != null) {
- if (location != null) update.append(", ");
- update.append(quoteAlways("DESC"))
- .append(" = '")
- .append(description)
- .append("'");
- }
- update.append(" where ")
- .append(quoteIf("NAME"))
- .append(" = '")
- .append(catName)
- .append("'");
- LOG.debug("Going to run " + update.toString());
- int count = stmt.executeUpdate(update.toString());
- if (count != 1) {
- throw new HiveMetaException("Failed to find catalog " + catName + " to update");
- }
- conn.commit();
- success = true;
- }
- } catch (SQLException e) {
- throw new HiveMetaException("Failed to update catalog", e);
- } finally {
- try {
- if (!success) conn.rollback();
- } catch (SQLException e) {
- // Not really much we can do here.
- LOG.error("Failed to rollback, everything will probably go bad from here.", e);
- }
- }
- }
-
- @VisibleForTesting
- void moveDatabase(String fromCatName, String toCatName, String dbName) throws HiveMetaException {
- fromCatName = normalizeIdentifier(fromCatName);
- toCatName = normalizeIdentifier(toCatName);
- dbName = normalizeIdentifier(dbName);
- System.out.println("Moving database " + dbName + " from catalog " + fromCatName +
- " to catalog " + toCatName);
- Connection conn = getConnectionToMetastore(true);
- boolean success = false;
- try {
- conn.setAutoCommit(false);
- try (Statement stmt = conn.createStatement()) {
- updateCatalogNameInTable(stmt, "DBS", "CTLG_NAME", "NAME", fromCatName, toCatName, dbName, false);
- updateCatalogNameInTable(stmt, "TAB_COL_STATS", "CAT_NAME", "DB_NAME", fromCatName, toCatName, dbName, true);
- updateCatalogNameInTable(stmt, "PART_COL_STATS", "CAT_NAME", "DB_NAME", fromCatName, toCatName, dbName, true);
- updateCatalogNameInTable(stmt, "PARTITION_EVENTS", "CAT_NAME", "DB_NAME", fromCatName, toCatName, dbName, true);
- updateCatalogNameInTable(stmt, "NOTIFICATION_LOG", "CAT_NAME", "DB_NAME", fromCatName, toCatName, dbName, true);
- conn.commit();
- success = true;
- }
- } catch (SQLException e) {
- throw new HiveMetaException("Failed to move database", e);
- } finally {
- try {
- if (!success) conn.rollback();
- } catch (SQLException e) {
- // Not really much we can do here.
- LOG.error("Failed to rollback, everything will probably go bad from here.");
- }
- }
- }
-
- private void updateCatalogNameInTable(Statement stmt, String tableName, String catColName,
- String dbColName, String fromCatName,
- String toCatName, String dbName, boolean zeroUpdatesOk)
- throws HiveMetaException, SQLException {
- String update = "update " + quoteIf(tableName) + " " +
- "set " + quoteIf(catColName) + " = '" + toCatName + "' " +
- "where " + quoteIf(catColName) + " = '" + fromCatName + "' and " + quoteIf(dbColName) + " = '" + dbName + "'";
- LOG.debug("Going to run " + update);
- int numUpdated = stmt.executeUpdate(update);
- if (numUpdated != 1 && !(zeroUpdatesOk && numUpdated == 0)) {
- throw new HiveMetaException("Failed to properly update the " + tableName +
- " table. Expected to update 1 row but instead updated " + numUpdated);
- }
- }
-
- @VisibleForTesting
- void moveTable(String fromCat, String toCat, String fromDb, String toDb, String tableName)
- throws HiveMetaException {
- fromCat = normalizeIdentifier(fromCat);
- toCat = normalizeIdentifier(toCat);
- fromDb = normalizeIdentifier(fromDb);
- toDb = normalizeIdentifier(toDb);
- tableName = normalizeIdentifier(tableName);
- Connection conn = getConnectionToMetastore(true);
- boolean success = false;
- try {
- conn.setAutoCommit(false);
- try (Statement stmt = conn.createStatement()) {
- // Find the old database id
- String query = "select " + quoteIf("DB_ID") +
- " from " + quoteIf("DBS") +
- " where " + quoteIf("NAME") + " = '" + fromDb + "' "
- + "and " + quoteIf("CTLG_NAME") + " = '" + fromCat + "'";
- LOG.debug("Going to run " + query);
- ResultSet rs = stmt.executeQuery(query);
- if (!rs.next()) {
- throw new HiveMetaException("Unable to find database " + fromDb);
- }
- long oldDbId = rs.getLong(1);
-
- // Find the new database id
- query = "select " + quoteIf("DB_ID") +
- " from " + quoteIf("DBS") +
- " where " + quoteIf("NAME") + " = '" + toDb + "' "
- + "and " + quoteIf("CTLG_NAME") + " = '" + toCat + "'";
- LOG.debug("Going to run " + query);
- rs = stmt.executeQuery(query);
- if (!rs.next()) {
- throw new HiveMetaException("Unable to find database " + toDb);
- }
- long newDbId = rs.getLong(1);
-
- String update = "update " + quoteIf("TBLS") + " " +
- "set " + quoteIf("DB_ID") + " = " + newDbId + " " +
- "where " + quoteIf("DB_ID") + " = " + oldDbId +
- " and " + quoteIf("TBL_NAME") + " = '" + tableName + "'";
- LOG.debug("Going to run " + update);
- int numUpdated = stmt.executeUpdate(update);
- if (numUpdated != 1) {
- throw new HiveMetaException(
- "Failed to properly update TBLS table. Expected to update " +
- "1 row but instead updated " + numUpdated);
- }
- updateDbNameForTable(stmt, "TAB_COL_STATS", "TABLE_NAME", fromCat, toCat, fromDb, toDb, tableName);
- updateDbNameForTable(stmt, "PART_COL_STATS", "TABLE_NAME", fromCat, toCat, fromDb, toDb, tableName);
- updateDbNameForTable(stmt, "PARTITION_EVENTS", "TBL_NAME", fromCat, toCat, fromDb, toDb, tableName);
- updateDbNameForTable(stmt, "NOTIFICATION_LOG", "TBL_NAME", fromCat, toCat, fromDb, toDb, tableName);
- conn.commit();
- success = true;
- }
- } catch (SQLException se) {
- throw new HiveMetaException("Failed to move table", se);
- } finally {
- try {
- if (!success) conn.rollback();
- } catch (SQLException e) {
- // Not really much we can do here.
- LOG.error("Failed to rollback, everything will probably go bad from here.");
- }
-
- }
- }
-
- private void updateDbNameForTable(Statement stmt, String tableName,
- String tableColumnName, String fromCat, String toCat,
- String fromDb, String toDb, String hiveTblName)
- throws HiveMetaException, SQLException {
- String update = "update " + quoteIf(tableName) + " " +
- "set " + quoteIf("CAT_NAME") + " = '" + toCat + "', " + quoteIf("DB_NAME") + " = '" + toDb + "' " +
- "where " + quoteIf("CAT_NAME") + " = '" + fromCat + "' " +
- "and " + quoteIf("DB_NAME") + " = '" + fromDb + "' " +
- "and " + quoteIf(tableColumnName) + " = '" + hiveTblName + "'";
- LOG.debug("Going to run " + update);
- int numUpdated = stmt.executeUpdate(update);
- if (numUpdated > 1 || numUpdated < 0) {
- throw new HiveMetaException("Failed to properly update the " + tableName +
- " table. Expected to update 1 row but instead updated " + numUpdated);
- }
- }
-
- // Quote if the database requires it
- private String quoteIf(String identifier) {
- return needsQuotedIdentifier ? quoteCharacter + identifier + quoteCharacter : identifier;
- }
-
- // Quote always, for fields that mimic SQL keywords, like DESC
- private String quoteAlways(String identifier) {
- return quoteCharacter + identifier + quoteCharacter;
- }
-
- /**
- * Run pre-upgrade scripts corresponding to a given upgrade script,
- * if any exist. The errors from pre-upgrade are ignored.
- * Pre-upgrade scripts typically contain setup statements which
- * may fail on some database versions and failure is ignorable.
- *
- * @param scriptDir upgrade script directory name
- * @param scriptFile upgrade script file name
- */
- private void runPreUpgrade(String scriptDir, String scriptFile) {
- for (int i = 0;; i++) {
- String preUpgradeScript =
- metaStoreSchemaInfo.getPreUpgradeScriptName(i, scriptFile);
- File preUpgradeScriptFile = new File(scriptDir, preUpgradeScript);
- if (!preUpgradeScriptFile.isFile()) {
- break;
- }
-
- try {
- runBeeLine(scriptDir, preUpgradeScript);
- System.out.println("Completed " + preUpgradeScript);
- } catch (Exception e) {
- // Ignore the pre-upgrade script errors
- System.err.println("Warning in pre-upgrade script " + preUpgradeScript + ": "
- + e.getMessage());
- if (verbose) {
- e.printStackTrace();
- }
- }
- }
- }
-
- /***
- * Run beeline with the given metastore script. Flatten the nested scripts
- * into single file.
- */
- private void runBeeLine(String scriptDir, String scriptFile)
- throws IOException, HiveMetaException {
- NestedScriptParser dbCommandParser = getDbCommandParser(dbType, metaDbType);
-
- // expand the nested script
- // If the metaDbType is set, this is setting up the information
- // schema in Hive. That specifically means that the sql commands need
- // to be adjusted for the underlying RDBMS (correct quotation
- // strings, etc).
- String sqlCommands = dbCommandParser.buildCommand(scriptDir, scriptFile, metaDbType != null);
- File tmpFile = File.createTempFile("schematool", ".sql");
- tmpFile.deleteOnExit();
-
- // write out the buffer into a file. Add beeline commands for autocommit and close
- FileWriter fstream = new FileWriter(tmpFile.getPath());
- BufferedWriter out = new BufferedWriter(fstream);
- out.write("!autocommit on" + System.getProperty("line.separator"));
- out.write(sqlCommands);
- out.write("!closeall" + System.getProperty("line.separator"));
- out.close();
- runBeeLine(tmpFile.getPath());
- }
-
- // Generate the beeline args per hive conf and execute the given script
- public void runBeeLine(String sqlScriptFile) throws IOException {
- CommandBuilder builder = new CommandBuilder(hiveConf, url, driver,
- userName, passWord, sqlScriptFile);
-
- // run the script using Beeline
- try (BeeLine beeLine = new BeeLine()) {
- if (!verbose) {
- beeLine.setOutputStream(new PrintStream(new NullOutputStream()));
- beeLine.getOpts().setSilent(true);
- }
- beeLine.getOpts().setAllowMultiLineCommand(false);
- beeLine.getOpts().setIsolation("TRANSACTION_READ_COMMITTED");
- // We can be pretty sure that an entire line can be processed as a single command since
- // we always add a line separator at the end while calling dbCommandParser.buildCommand.
- beeLine.getOpts().setEntireLineAsCommand(true);
- LOG.debug("Going to run command <" + builder.buildToLog() + ">");
- int status = beeLine.begin(builder.buildToRun(), null);
- if (status != 0) {
- throw new IOException("Schema script failed, errorcode " + status);
- }
- }
- }
-
- static class CommandBuilder {
- private final HiveConf hiveConf;
- private final String userName;
- private final String password;
- private final String sqlScriptFile;
- private final String driver;
- private final String url;
-
- CommandBuilder(HiveConf hiveConf, String url, String driver,
- String userName, String password, String sqlScriptFile) {
- this.hiveConf = hiveConf;
- this.userName = userName;
- this.password = password;
- this.url = url;
- this.driver = driver;
- this.sqlScriptFile = sqlScriptFile;
- }
-
- String[] buildToRun() throws IOException {
- return argsWith(password);
- }
-
- String buildToLog() throws IOException {
- logScript();
- return StringUtils.join(argsWith(BeeLine.PASSWD_MASK), " ");
- }
-
- private String[] argsWith(String password) throws IOException {
- return new String[]
- {
- "-u", url == null ? HiveSchemaHelper.getValidConfVar(MetastoreConf.ConfVars.CONNECT_URL_KEY, hiveConf) : url,
- "-d", driver == null ? HiveSchemaHelper.getValidConfVar(MetastoreConf.ConfVars.CONNECTION_DRIVER, hiveConf) : driver,
- "-n", userName,
- "-p", password,
- "-f", sqlScriptFile
- };
- }
-
- private void logScript() throws IOException {
- if (LOG.isDebugEnabled()) {
- LOG.debug("Going to invoke file that contains:");
- try (BufferedReader reader = new BufferedReader(new FileReader(sqlScriptFile))) {
- String line;
- while ((line = reader.readLine()) != null) {
- LOG.debug("script: " + line);
- }
- }
- }
- }
- }
-
- // Create the required command line options
- @SuppressWarnings("static-access")
- private static void initOptions(Options cmdLineOptions) {
- Option help = new Option("help", "print this message");
- Option upgradeOpt = new Option("upgradeSchema", "Schema upgrade");
- Option upgradeFromOpt = OptionBuilder.withArgName("upgradeFrom").hasArg().
- withDescription("Schema upgrade from a version").
- create("upgradeSchemaFrom");
- Option initOpt = new Option("initSchema", "Schema initialization");
- Option initToOpt = OptionBuilder.withArgName("initTo").hasArg().
- withDescription("Schema initialization to a version").
- create("initSchemaTo");
- Option infoOpt = new Option("info", "Show config and schema details");
- Option validateOpt = new Option("validate", "Validate the database");
- Option createCatalog = OptionBuilder
- .hasArg()
- .withDescription("Create a catalog, requires --catalogLocation parameter as well")
- .create("createCatalog");
- Option alterCatalog = OptionBuilder
- .hasArg()
- .withDescription("Alter a catalog, requires --catalogLocation and/or --catalogDescription parameter as well")
- .create("alterCatalog");
- Option moveDatabase = OptionBuilder
- .hasArg()
- .withDescription("Move a database between catalogs. Argument is the database name. " +
- "Requires --fromCatalog and --toCatalog parameters as well")
- .create("moveDatabase");
- Option moveTable = OptionBuilder
- .hasArg()
- .withDescription("Move a table to a different database. Argument is the table name. " +
- "Requires --fromCatalog, --toCatalog, --fromDatabase, and --toDatabase " +
- " parameters as well.")
- .create("moveTable");
-
- OptionGroup optGroup = new OptionGroup();
- optGroup.addOption(upgradeOpt)
- .addOption(initOpt)
- .addOption(help)
- .addOption(upgradeFromOpt)
- .addOption(initToOpt)
- .addOption(infoOpt)
- .addOption(validateOpt)
- .addOption(createCatalog)
- .addOption(alterCatalog)
- .addOption(moveDatabase)
- .addOption(moveTable);
- optGroup.setRequired(true);
-
- Option userNameOpt = OptionBuilder.withArgName("user")
- .hasArgs()
- .withDescription("Override config file user name")
- .create("userName");
- Option passwdOpt = OptionBuilder.withArgName("password")
- .hasArgs()
- .withDescription("Override config file password")
- .create("passWord");
- Option dbTypeOpt = OptionBuilder.withArgName("databaseType")
- .hasArgs().withDescription("Metastore database type")
- .create("dbType");
- Option metaDbTypeOpt = OptionBuilder.withArgName("metaDatabaseType")
- .hasArgs().withDescription("Used only if upgrading the system catalog for hive")
- .create("metaDbType");
- Option urlOpt = OptionBuilder.withArgName("url")
- .hasArgs().withDescription("connection url to the database")
- .create("url");
- Option driverOpt = OptionBuilder.withArgName("driver")
- .hasArgs().withDescription("driver name for connection")
- .create("driver");
- Option dbOpts = OptionBuilder.withArgName("databaseOpts")
- .hasArgs().withDescription("Backend DB specific options")
- .create("dbOpts");
- Option dryRunOpt = new Option("dryRun", "list SQL scripts (no execute)");
- Option verboseOpt = new Option("verbose", "only print SQL statements");
- Option serversOpt = OptionBuilder.withArgName("serverList")
- .hasArgs().withDescription("a comma-separated list of servers used in location validation in the format of scheme://authority (e.g. hdfs://localhost:8000)")
- .create("servers");
- Option catalogLocation = OptionBuilder
- .hasArg()
- .withDescription("Location of new catalog, required when adding a catalog")
- .create("catalogLocation");
- Option catalogDescription = OptionBuilder
- .hasArg()
- .withDescription("Description of new catalog")
- .create("catalogDescription");
- Option ifNotExists = OptionBuilder
- .withDescription("If passed then it is not an error to create an existing catalog")
- .create("ifNotExists");
- Option toCatalog = OptionBuilder
- .hasArg()
- .withDescription("Catalog a moving database or table is going to. This is " +
- "required if you are moving a database or table.")
- .create("toCatalog");
- Option fromCatalog = OptionBuilder
- .hasArg()
- .withDescription("Catalog a moving database or table is coming from. This is " +
- "required if you are moving a database or table.")
- .create("fromCatalog");
- Option toDatabase = OptionBuilder
- .hasArg()
- .withDescription("Database a moving table is going to. This is " +
- "required if you are moving a table.")
- .create("toDatabase");
- Option fromDatabase = OptionBuilder
- .hasArg()
- .withDescription("Database a moving table is coming from. This is " +
- "required if you are moving a table.")
- .create("fromDatabase");
- cmdLineOptions.addOption(help);
- cmdLineOptions.addOption(dryRunOpt);
- cmdLineOptions.addOption(userNameOpt);
- cmdLineOptions.addOption(passwdOpt);
- cmdLineOptions.addOption(dbTypeOpt);
- cmdLineOptions.addOption(verboseOpt);
- cmdLineOptions.addOption(metaDbTypeOpt);
- cmdLineOptions.addOption(urlOpt);
- cmdLineOptions.addOption(driverOpt);
- cmdLineOptions.addOption(dbOpts);
- cmdLineOptions.addOption(serversOpt);
- cmdLineOptions.addOption(catalogLocation);
- cmdLineOptions.addOption(catalogDescription);
- cmdLineOptions.addOption(ifNotExists);
- cmdLineOptions.addOption(toCatalog);
- cmdLineOptions.addOption(fromCatalog);
- cmdLineOptions.addOption(toDatabase);
- cmdLineOptions.addOption(fromDatabase);
- cmdLineOptions.addOptionGroup(optGroup);
- }
-
- public static void main(String[] args) {
- CommandLineParser parser = new GnuParser();
- CommandLine line = null;
- String dbType = null;
- String metaDbType = null;
- String schemaVer = null;
- Options cmdLineOptions = new Options();
-
- // Argument handling
- initOptions(cmdLineOptions);
- try {
- line = parser.parse(cmdLineOptions, args);
- } catch (ParseException e) {
- System.err.println("HiveSchemaTool:Parsing failed. Reason: " + e.getLocalizedMessage());
- printAndExit(cmdLineOptions);
- }
-
- if (line.hasOption("help")) {
- HelpFormatter formatter = new HelpFormatter();
- formatter.printHelp("schemaTool", cmdLineOptions);
- return;
- }
-
- if (line.hasOption("dbType")) {
- dbType = line.getOptionValue("dbType");
- if ((!dbType.equalsIgnoreCase(HiveSchemaHelper.DB_DERBY) &&
- !dbType.equalsIgnoreCase(HiveSchemaHelper.DB_HIVE) &&
- !dbType.equalsIgnoreCase(HiveSchemaHelper.DB_MSSQL) &&
- !dbType.equalsIgnoreCase(HiveSchemaHelper.DB_MYSQL) &&
- !dbType.equalsIgnoreCase(HiveSchemaHelper.DB_POSTGRACE) && !dbType
- .equalsIgnoreCase(HiveSchemaHelper.DB_ORACLE))) {
- System.err.println("Unsupported dbType " + dbType);
- printAndExit(cmdLineOptions);
- }
- } else {
- System.err.println("no dbType supplied");
- printAndExit(cmdLineOptions);
- }
-
- if (line.hasOption("metaDbType")) {
- metaDbType = line.getOptionValue("metaDbType");
-
- if (!dbType.equals(HiveSchemaHelper.DB_HIVE)) {
- System.err.println("metaDbType only supported for dbType = hive");
- printAndExit(cmdLineOptions);
- }
-
- if (!metaDbType.equalsIgnoreCase(HiveSchemaHelper.DB_DERBY) &&
- !metaDbType.equalsIgnoreCase(HiveSchemaHelper.DB_MSSQL) &&
- !metaDbType.equalsIgnoreCase(HiveSchemaHelper.DB_MYSQL) &&
- !metaDbType.equalsIgnoreCase(HiveSchemaHelper.DB_POSTGRACE) &&
- !metaDbType.equalsIgnoreCase(HiveSchemaHelper.DB_ORACLE)) {
- System.err.println("Unsupported metaDbType " + metaDbType);
- printAndExit(cmdLineOptions);
- }
- } else if (dbType.equalsIgnoreCase(HiveSchemaHelper.DB_HIVE)) {
- System.err.println("no metaDbType supplied");
- printAndExit(cmdLineOptions);
- }
-
-
- System.setProperty(HiveConf.ConfVars.METASTORE_SCHEMA_VERIFICATION.varname, "true");
- try {
- HiveSchemaTool schemaTool = new HiveSchemaTool(dbType, metaDbType);
-
- if (line.hasOption("userName")) {
- schemaTool.setUserName(line.getOptionValue("userName"));
- } else {
- schemaTool.setUserName(
- schemaTool.getHiveConf().get(ConfVars.METASTORE_CONNECTION_USER_NAME.varname));
- }
- if (line.hasOption("passWord")) {
- schemaTool.setPassWord(line.getOptionValue("passWord"));
- } else {
- try {
- schemaTool.setPassWord(ShimLoader.getHadoopShims().getPassword(schemaTool.getHiveConf(),
- HiveConf.ConfVars.METASTOREPWD.varname));
- } catch (IOException err) {
- throw new HiveMetaException("Error getting metastore password", err);
- }
- }
- if (line.hasOption("url")) {
- schemaTool.setUrl(line.getOptionValue("url"));
- }
- if (line.hasOption("driver")) {
- schemaTool.setDriver(line.getOptionValue("driver"));
- }
- if (line.hasOption("dryRun")) {
- schemaTool.setDryRun(true);
- }
- if (line.hasOption("verbose")) {
- schemaTool.setVerbose(true);
- }
- if (line.hasOption("dbOpts")) {
- schemaTool.setDbOpts(line.getOptionValue("dbOpts"));
- }
- if (line.hasOption("validate") && line.hasOption("servers")) {
- schemaTool.setValidationServers(line.getOptionValue("servers"));
- }
- if (line.hasOption("info")) {
- schemaTool.showInfo();
- } else if (line.hasOption("upgradeSchema")) {
- schemaTool.doUpgrade();
- } else if (line.hasOption("upgradeSchemaFrom")) {
- schemaVer = line.getOptionValue("upgradeSchemaFrom");
- schemaTool.doUpgrade(schemaVer);
- } else if (line.hasOption("initSchema")) {
- schemaTool.doInit();
- } else if (line.hasOption("initSchemaTo")) {
- schemaVer = line.getOptionValue("initSchemaTo");
- schemaTool.doInit(schemaVer);
- } else if (line.hasOption("validate")) {
- schemaTool.doValidate();
- } else if (line.hasOption("createCatalog")) {
- schemaTool.createCatalog(line.getOptionValue("createCatalog"),
- line.getOptionValue("catalogLocation"), line.getOptionValue("catalogDescription"),
- line.hasOption("ifNotExists"));
- } else if (line.hasOption("alterCatalog")) {
- schemaTool.alterCatalog(line.getOptionValue("alterCatalog"),
- line.getOptionValue("catalogLocation"), line.getOptionValue("catalogDescription"));
- } else if (line.hasOption("moveDatabase")) {
- schemaTool.moveDatabase(line.getOptionValue("fromCatalog"),
- line.getOptionValue("toCatalog"), line.getOptionValue("moveDatabase"));
- } else if (line.hasOption("moveTable")) {
- schemaTool.moveTable(line.getOptionValue("fromCatalog"), line.getOptionValue("toCatalog"),
- line.getOptionValue("fromDatabase"), line.getOptionValue("toDatabase"),
- line.getOptionValue("moveTable"));
- } else {
- System.err.println("no valid option supplied");
- printAndExit(cmdLineOptions);
- }
- } catch (HiveMetaException e) {
- System.err.println(e);
- if (e.getCause() != null) {
- Throwable t = e.getCause();
- System.err.println("Underlying cause: "
- + t.getClass().getName() + " : "
- + t.getMessage());
- if (e.getCause() instanceof SQLException) {
- System.err.println("SQL Error code: " + ((SQLException)t).getErrorCode());
- }
- }
- if (line.hasOption("verbose")) {
- e.printStackTrace();
- } else {
- System.err.println("Use --verbose for detailed stacktrace.");
- }
- System.err.println("*** schemaTool failed ***");
- System.exit(1);
- }
- System.out.println("schemaTool completed");
- System.exit(0);
- }
-}
http://git-wip-us.apache.org/repos/asf/hive/blob/d83a0be9/beeline/src/java/org/apache/hive/beeline/schematool/HiveSchemaTool.java
----------------------------------------------------------------------
diff --git a/beeline/src/java/org/apache/hive/beeline/schematool/HiveSchemaTool.java b/beeline/src/java/org/apache/hive/beeline/schematool/HiveSchemaTool.java
new file mode 100644
index 0000000..9c3f30b
--- /dev/null
+++ b/beeline/src/java/org/apache/hive/beeline/schematool/HiveSchemaTool.java
@@ -0,0 +1,415 @@
+/*
+ * 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.hive.beeline.schematool;
+
+import org.apache.commons.cli.ParseException;
+import org.apache.commons.io.output.NullOutputStream;
+import org.apache.commons.lang.StringUtils;
+import org.apache.hadoop.fs.Path;
+import org.apache.hadoop.hive.conf.HiveConf;
+import org.apache.hadoop.hive.metastore.HiveMetaException;
+import org.apache.hadoop.hive.metastore.IMetaStoreSchemaInfo;
+import org.apache.hadoop.hive.metastore.MetaStoreSchemaInfoFactory;
+import org.apache.hadoop.hive.metastore.api.MetaException;
+import org.apache.hadoop.hive.metastore.conf.MetastoreConf;
+import org.apache.hadoop.hive.metastore.tools.HiveSchemaHelper;
+import org.apache.hadoop.hive.metastore.tools.HiveSchemaHelper.MetaStoreConnectionInfo;
+import org.apache.hadoop.hive.metastore.tools.HiveSchemaHelper.NestedScriptParser;
+import org.apache.hadoop.hive.shims.ShimLoader;
+import org.apache.hive.beeline.BeeLine;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import com.google.common.annotations.VisibleForTesting;
+
+import java.io.BufferedReader;
+import java.io.BufferedWriter;
+import java.io.File;
+import java.io.FileReader;
+import java.io.FileWriter;
+import java.io.IOException;
+import java.io.PrintStream;
+import java.net.URI;
+import java.sql.Connection;
+import java.sql.SQLException;
+
+public class HiveSchemaTool {
+ private static final Logger LOG = LoggerFactory.getLogger(HiveSchemaTool.class.getName());
+
+ private final HiveConf hiveConf;
+ private final String dbType;
+ private final String metaDbType;
+ private final IMetaStoreSchemaInfo metaStoreSchemaInfo;
+ private final boolean needsQuotedIdentifier;
+ private String quoteCharacter;
+
+ private String url = null;
+ private String driver = null;
+ private String userName = null;
+ private String passWord = null;
+ private boolean dryRun = false;
+ private boolean verbose = false;
+ private String dbOpts = null;
+ private URI[] validationServers = null; // The list of servers the database/partition/table can locate on
+
+ private HiveSchemaTool(String dbType, String metaDbType) throws HiveMetaException {
+ this(System.getenv("HIVE_HOME"), new HiveConf(HiveSchemaTool.class), dbType, metaDbType);
+ }
+
+ @VisibleForTesting
+ public HiveSchemaTool(String hiveHome, HiveConf hiveConf, String dbType, String metaDbType)
+ throws HiveMetaException {
+ if (hiveHome == null || hiveHome.isEmpty()) {
+ throw new HiveMetaException("No Hive home directory provided");
+ }
+ this.hiveConf = hiveConf;
+ this.dbType = dbType;
+ this.metaDbType = metaDbType;
+ NestedScriptParser parser = getDbCommandParser(dbType, metaDbType);
+ this.needsQuotedIdentifier = parser.needsQuotedIdentifier();
+ this.quoteCharacter = parser.getQuoteCharacter();
+ this.metaStoreSchemaInfo = MetaStoreSchemaInfoFactory.get(hiveConf, hiveHome, dbType);
+ // If the dbType is "hive", this is setting up the information schema in Hive.
+ // We will set the default jdbc url and driver.
+ // It is overriden by command line options if passed (-url and -driver
+ if (dbType.equalsIgnoreCase(HiveSchemaHelper.DB_HIVE)) {
+ url = HiveSchemaHelper.EMBEDDED_HS2_URL;
+ driver = HiveSchemaHelper.HIVE_JDBC_DRIVER;
+ }
+ }
+
+ HiveConf getHiveConf() {
+ return hiveConf;
+ }
+
+ String getDbType() {
+ return dbType;
+ }
+
+ IMetaStoreSchemaInfo getMetaStoreSchemaInfo() {
+ return metaStoreSchemaInfo;
+ }
+
+ private void setUrl(String url) {
+ this.url = url;
+ }
+
+ private void setDriver(String driver) {
+ this.driver = driver;
+ }
+
+ @VisibleForTesting
+ public void setUserName(String userName) {
+ this.userName = userName;
+ }
+
+ @VisibleForTesting
+ public void setPassWord(String passWord) {
+ this.passWord = passWord;
+ }
+
+ @VisibleForTesting
+ public void setDryRun(boolean dryRun) {
+ this.dryRun = dryRun;
+ }
+
+ boolean isDryRun() {
+ return dryRun;
+ }
+
+ @VisibleForTesting
+ public void setVerbose(boolean verbose) {
+ this.verbose = verbose;
+ }
+
+ boolean isVerbose() {
+ return verbose;
+ }
+
+ private void setDbOpts(String dbOpts) {
+ this.dbOpts = dbOpts;
+ }
+
+ private void setValidationServers(String servers) {
+ if(StringUtils.isNotEmpty(servers)) {
+ String[] strServers = servers.split(",");
+ this.validationServers = new URI[strServers.length];
+ for (int i = 0; i < validationServers.length; i++) {
+ validationServers[i] = new Path(strServers[i]).toUri();
+ }
+ }
+ }
+
+ URI[] getValidationServers() {
+ return validationServers;
+ }
+
+ Connection getConnectionToMetastore(boolean printInfo) throws HiveMetaException {
+ return HiveSchemaHelper.getConnectionToMetastore(userName, passWord, url, driver, printInfo, hiveConf,
+ null);
+ }
+
+ private NestedScriptParser getDbCommandParser(String dbType, String metaDbType) {
+ return HiveSchemaHelper.getDbCommandParser(dbType, dbOpts, userName, passWord, hiveConf,
+ metaDbType, false);
+ }
+
+ // test the connection metastore using the config property
+ void testConnectionToMetastore() throws HiveMetaException {
+ Connection conn = getConnectionToMetastore(true);
+ try {
+ conn.close();
+ } catch (SQLException e) {
+ throw new HiveMetaException("Failed to close metastore connection", e);
+ }
+ }
+
+ /**
+ * check if the current schema version in metastore matches the Hive version
+ * @throws MetaException
+ */
+ void verifySchemaVersion() throws HiveMetaException {
+ // don't check version if its a dry run
+ if (dryRun) {
+ return;
+ }
+ String newSchemaVersion = metaStoreSchemaInfo.getMetaStoreSchemaVersion(getConnectionInfo(false));
+ // verify that the new version is added to schema
+ assertCompatibleVersion(metaStoreSchemaInfo.getHiveSchemaVersion(), newSchemaVersion);
+ }
+
+ void assertCompatibleVersion(String hiveSchemaVersion, String dbSchemaVersion)
+ throws HiveMetaException {
+ if (!metaStoreSchemaInfo.isVersionCompatible(hiveSchemaVersion, dbSchemaVersion)) {
+ throw new HiveMetaException("Metastore schema version is not compatible. Hive Version: "
+ + hiveSchemaVersion + ", Database Schema Version: " + dbSchemaVersion);
+ }
+ }
+
+ MetaStoreConnectionInfo getConnectionInfo(boolean printInfo) {
+ return new MetaStoreConnectionInfo(userName, passWord, url, driver, printInfo, hiveConf,
+ dbType, metaDbType);
+ }
+
+ // Quote if the database requires it
+ String quote(String stmt) {
+ stmt = stmt.replace("<q>", needsQuotedIdentifier ? quoteCharacter : "");
+ stmt = stmt.replace("<qa>", quoteCharacter);
+ return stmt;
+ }
+
+ /***
+ * Run beeline with the given metastore script. Flatten the nested scripts
+ * into single file.
+ */
+ void runBeeLine(String scriptDir, String scriptFile)
+ throws IOException, HiveMetaException {
+ NestedScriptParser dbCommandParser = getDbCommandParser(dbType, metaDbType);
+
+ // expand the nested script
+ // If the metaDbType is set, this is setting up the information
+ // schema in Hive. That specifically means that the sql commands need
+ // to be adjusted for the underlying RDBMS (correct quotation
+ // strings, etc).
+ String sqlCommands = dbCommandParser.buildCommand(scriptDir, scriptFile, metaDbType != null);
+ File tmpFile = File.createTempFile("schematool", ".sql");
+ tmpFile.deleteOnExit();
+
+ // write out the buffer into a file. Add beeline commands for autocommit and close
+ FileWriter fstream = new FileWriter(tmpFile.getPath());
+ BufferedWriter out = new BufferedWriter(fstream);
+ out.write("!autocommit on" + System.getProperty("line.separator"));
+ out.write(sqlCommands);
+ out.write("!closeall" + System.getProperty("line.separator"));
+ out.close();
+ runBeeLine(tmpFile.getPath());
+ }
+
+ // Generate the beeline args per hive conf and execute the given script
+ void runBeeLine(String sqlScriptFile) throws IOException {
+ CommandBuilder builder = new CommandBuilder(hiveConf, url, driver,
+ userName, passWord, sqlScriptFile);
+
+ // run the script using Beeline
+ try (BeeLine beeLine = new BeeLine()) {
+ if (!verbose) {
+ beeLine.setOutputStream(new PrintStream(new NullOutputStream()));
+ beeLine.getOpts().setSilent(true);
+ }
+ beeLine.getOpts().setAllowMultiLineCommand(false);
+ beeLine.getOpts().setIsolation("TRANSACTION_READ_COMMITTED");
+ // We can be pretty sure that an entire line can be processed as a single command since
+ // we always add a line separator at the end while calling dbCommandParser.buildCommand.
+ beeLine.getOpts().setEntireLineAsCommand(true);
+ LOG.debug("Going to run command <" + builder.buildToLog() + ">");
+ int status = beeLine.begin(builder.buildToRun(), null);
+ if (status != 0) {
+ throw new IOException("Schema script failed, errorcode " + status);
+ }
+ }
+ }
+
+ static class CommandBuilder {
+ private final String userName;
+ private final String password;
+ private final String sqlScriptFile;
+ private final String driver;
+ private final String url;
+
+ CommandBuilder(HiveConf hiveConf, String url, String driver, String userName, String password,
+ String sqlScriptFile) throws IOException {
+ this.userName = userName;
+ this.password = password;
+ this.url = url == null ?
+ HiveSchemaHelper.getValidConfVar(MetastoreConf.ConfVars.CONNECT_URL_KEY, hiveConf) : url;
+ this.driver = driver == null ?
+ HiveSchemaHelper.getValidConfVar(MetastoreConf.ConfVars.CONNECTION_DRIVER, hiveConf) : driver;
+ this.sqlScriptFile = sqlScriptFile;
+ }
+
+ String[] buildToRun() {
+ return argsWith(password);
+ }
+
+ String buildToLog() throws IOException {
+ logScript();
+ return StringUtils.join(argsWith(BeeLine.PASSWD_MASK), " ");
+ }
+
+ private String[] argsWith(String password) {
+ return new String[]
+ {
+ "-u", url,
+ "-d", driver,
+ "-n", userName,
+ "-p", password,
+ "-f", sqlScriptFile
+ };
+ }
+
+ private void logScript() throws IOException {
+ if (LOG.isDebugEnabled()) {
+ LOG.debug("Going to invoke file that contains:");
+ try (BufferedReader reader = new BufferedReader(new FileReader(sqlScriptFile))) {
+ String line;
+ while ((line = reader.readLine()) != null) {
+ LOG.debug("script: " + line);
+ }
+ }
+ }
+ }
+ }
+
+ public static void main(String[] args) {
+ HiveSchemaToolCommandLine line = null;
+ try {
+ line = new HiveSchemaToolCommandLine(args);
+ } catch (ParseException e) {
+ System.exit(1);
+ }
+
+ System.setProperty(MetastoreConf.ConfVars.SCHEMA_VERIFICATION.getVarname(), "true");
+ try {
+ HiveSchemaTool schemaTool = createSchemaTool(line);
+
+ HiveSchemaToolTask task = null;
+ if (line.hasOption("info")) {
+ task = new HiveSchemaToolTaskInfo();
+ } else if (line.hasOption("upgradeSchema") || line.hasOption("upgradeSchemaFrom")) {
+ task = new HiveSchemaToolTaskUpgrade();
+ } else if (line.hasOption("initSchema") || line.hasOption("initSchemaTo")) {
+ task = new HiveSchemaToolTaskInit();
+ } else if (line.hasOption("validate")) {
+ task = new HiveSchemaToolTaskValidate();
+ } else if (line.hasOption("createCatalog")) {
+ task = new HiveSchemaToolTaskCreateCatalog();
+ } else if (line.hasOption("alterCatalog")) {
+ task = new HiveSchemaToolTaskAlterCatalog();
+ } else if (line.hasOption("moveDatabase")) {
+ task = new HiveSchemaToolTaskMoveDatabase();
+ } else if (line.hasOption("moveTable")) {
+ task = new HiveSchemaToolTaskMoveTable();
+ } else {
+ throw new HiveMetaException("No task defined!");
+ }
+
+ task.setHiveSchemaTool(schemaTool);
+ task.setCommandLineArguments(line);
+ task.execute();
+
+ } catch (HiveMetaException e) {
+ System.err.println(e);
+ if (e.getCause() != null) {
+ Throwable t = e.getCause();
+ System.err.println("Underlying cause: " + t.getClass().getName() + " : " + t.getMessage());
+ if (e.getCause() instanceof SQLException) {
+ System.err.println("SQL Error code: " + ((SQLException)t).getErrorCode());
+ }
+ }
+ if (line.hasOption("verbose")) {
+ e.printStackTrace();
+ } else {
+ System.err.println("Use --verbose for detailed stacktrace.");
+ }
+ System.err.println("*** schemaTool failed ***");
+ System.exit(1);
+ }
+ System.out.println("schemaTool completed");
+ System.exit(0);
+ }
+
+ private static HiveSchemaTool createSchemaTool(HiveSchemaToolCommandLine line) throws HiveMetaException {
+ HiveSchemaTool schemaTool = new HiveSchemaTool(line.getDbType(), line.getMetaDbType());
+
+ if (line.hasOption("userName")) {
+ schemaTool.setUserName(line.getOptionValue("userName"));
+ } else {
+ schemaTool.setUserName(
+ schemaTool.getHiveConf().get(MetastoreConf.ConfVars.CONNECTION_USER_NAME.getVarname()));
+ }
+ if (line.hasOption("passWord")) {
+ schemaTool.setPassWord(line.getOptionValue("passWord"));
+ } else {
+ try {
+ schemaTool.setPassWord(ShimLoader.getHadoopShims().getPassword(schemaTool.getHiveConf(),
+ MetastoreConf.ConfVars.PWD.getVarname()));
+ } catch (IOException err) {
+ throw new HiveMetaException("Error getting metastore password", err);
+ }
+ }
+ if (line.hasOption("url")) {
+ schemaTool.setUrl(line.getOptionValue("url"));
+ }
+ if (line.hasOption("driver")) {
+ schemaTool.setDriver(line.getOptionValue("driver"));
+ }
+ if (line.hasOption("dryRun")) {
+ schemaTool.setDryRun(true);
+ }
+ if (line.hasOption("verbose")) {
+ schemaTool.setVerbose(true);
+ }
+ if (line.hasOption("dbOpts")) {
+ schemaTool.setDbOpts(line.getOptionValue("dbOpts"));
+ }
+ if (line.hasOption("validate") && line.hasOption("servers")) {
+ schemaTool.setValidationServers(line.getOptionValue("servers"));
+ }
+ return schemaTool;
+ }
+}