Skip to content

H
h2database
提交 9646d854 authored 作者: Thomas Mueller's avatar Thomas Mueller
浏览文件
操作

Changes to prepare for version 1.4.x beta

上级 183fcbbd
隐藏空白字符变更
内嵌 并排
正在显示 包含 911 行增加 和 21 行删除
h2/src/main/org/h2/engine/ConnectionInfo.java
浏览文件 @ 9646d854
......@@ -13,10 +13,8 @@ import java.util.HashMap;
import java.util.HashSet;
import java.util.Properties;
import org.h2.api.ErrorCode;
import org.h2.command.dml.SetTypes;
import org.h2.constant.DbSettings;
import org.h2.constant.ErrorCode;
import org.h2.constant.SysProperties;
import org.h2.message.DbException;
import org.h2.security.SHA256;
import org.h2.store.fs.FilePathEncrypt;
......@@ -385,6 +383,15 @@ public class ConnectionInfo implements Cloneable {
public String getName() {
if (persistent) {
if (nameNormalized == null) {
if (!SysProperties.IMPLICIT_RELATIVE_PATH) {
if (!FileUtils.isAbsolute(name) && name.indexOf("./") < 0) {
// the name could start with "./", or
// it could start with a prefix such as "nio:./"
throw DbException.get(
ErrorCode.URL_RELATIVE_TO_CWD,
originalURL);
}
}
String suffix = Constants.SUFFIX_PAGE_FILE;
String n;
if (FileUtils.exists(name + suffix)) {
......
h2/src/main/org/h2/engine/Database.java
浏览文件 @ 9646d854
......@@ -16,12 +16,10 @@ import java.util.Properties;
import java.util.Set;
import java.util.StringTokenizer;
import org.h2.api.DatabaseEventListener;
import org.h2.api.ErrorCode;
import org.h2.api.JavaObjectSerializer;
import org.h2.command.ddl.CreateTableData;
import org.h2.command.dml.SetTypes;
import org.h2.constant.DbSettings;
import org.h2.constant.ErrorCode;
import org.h2.constant.SysProperties;
import org.h2.constraint.Constraint;
import org.h2.index.Cursor;
import org.h2.index.Index;
......@@ -194,7 +192,7 @@ public class Database implements DataHandler {
String name = ci.getName();
this.dbSettings = ci.getDbSettings();
this.reconnectCheckDelay = dbSettings.reconnectCheckDelay;
this.compareMode = CompareMode.getInstance(null, 0, false);
this.compareMode = CompareMode.getInstance(null, 0);
this.persistent = ci.isPersistent();
this.filePasswordHash = ci.getFilePasswordHash();
this.fileEncryptionKey = ci.getFileEncryptionKey();
......
h2/src/main/org/h2/engine/DbSettings.java 0 → 100644
浏览文件 @ 9646d854
/*
* Copyright 2004-2013 H2 Group. Multiple-Licensed under the H2 License,
* Version 1.0, and under the Eclipse Public License, Version 1.0
* (http://h2database.com/html/license.html).
* Initial Developer: H2 Group
*/
package org.h2.engine;
import java.util.HashMap;
/**
* This class contains various database-level settings. To override the
* documented default value for a database, append the setting in the database
* URL: "jdbc:h2:test;ALIAS_COLUMN_NAME=TRUE" when opening the first connection
* to the database. The settings can not be changed once the database is open.
* <p>
* Some settings are a last resort and temporary solution to work around a
* problem in the application or database engine. Also, there are system
* properties to enable features that are not yet fully tested or that are not
* backward compatible.
* </p>
*/
public class DbSettings extends SettingsBase {
private static DbSettings defaultSettings;
/**
* Database setting <code>ALIAS_COLUMN_NAME</code> (default: false).<br />
* When enabled, aliased columns (as in SELECT ID AS I FROM TEST) return the
* alias (I in this case) in ResultSetMetaData.getColumnName() and 'null' in
* getTableName(). If disabled, the real column name (ID in this case) and
* table name is returned.
* <br />
* This setting only affects the default and the MySQL mode. When using
* any other mode, this feature is enabled for compatibility, even if this
* database setting is not enabled explicitly.
*/
public final boolean aliasColumnName = get("ALIAS_COLUMN_NAME", false);
/**
* Database setting <code>ANALYZE_AUTO</code> (default: 2000).<br />
* After changing this many rows, ANALYZE is automatically run for a table.
* Automatically running ANALYZE is disabled if set to 0. If set to 1000,
* then ANALYZE will run against each user table after about 1000 changes to
* that table. The time between running ANALYZE doubles each time since
* starting the database. It is not run on local temporary tables, and
* tables that have a trigger on SELECT.
*/
public final int analyzeAuto = get("ANALYZE_AUTO", 2000);
/**
* Database setting <code>ANALYZE_SAMPLE</code> (default: 10000).<br />
* The default sample size when analyzing a table.
*/
public final int analyzeSample = get("ANALYZE_SAMPLE", 10000);
/**
* Database setting <code>DATABASE_TO_UPPER</code> (default: true).<br />
* Database short names are converted to uppercase for the DATABASE()
* function, and in the CATALOG column of all database meta data methods.
* Setting this to "false" is experimental. When set to false, all
* identifier names (table names, column names) are case sensitive (except
* aggregate, built-in functions, data types, and keywords).
*/
public final boolean databaseToUpper = get("DATABASE_TO_UPPER", true);
/**
* Database setting <code>DB_CLOSE_ON_EXIT</code> (default: true).<br />
* Close the database when the virtual machine exits normally, using a
* shutdown hook.
*/
public final boolean dbCloseOnExit = get("DB_CLOSE_ON_EXIT", true);
/**
* Database setting <code>DEFAULT_CONNECTION</code> (default: false).<br />
* Whether Java functions can use
* <code>DriverManager.getConnection("jdbc:default:connection")</code> to
* get a database connection. This feature is disabled by default for
* performance reasons. Please note the Oracle JDBC driver will try to
* resolve this database URL if it is loaded before the H2 driver.
*/
public boolean defaultConnection = get("DEFAULT_CONNECTION", false);
/**
* Database setting <code>DEFAULT_ESCAPE</code> (default: \).<br />
* The default escape character for LIKE comparisons. To select no escape
* character, use an empty string.
*/
public final String defaultEscape = get("DEFAULT_ESCAPE", "\\");
/**
* Database setting <code>DEFRAG_ALWAYS</code> (default: false).<br />
* Each time the database is closed, it is fully defragmented (SHUTDOWN
* DEFRAG).
*/
public final boolean defragAlways = get("DEFRAG_ALWAYS", false);
/**
* Database setting <code>DROP_RESTRICT</code> (default: true).<br />
* Whether the default action for DROP TABLE and DROP VIEW is RESTRICT.
*/
public final boolean dropRestrict = get("DROP_RESTRICT", true);
/**
* Database setting <code>EARLY_FILTER</code> (default: false).<br />
* This setting allows table implementations to apply filter conditions
* early on.
*/
public final boolean earlyFilter = get("EARLY_FILTER", false);
/**
* Database setting <code>ESTIMATED_FUNCTION_TABLE_ROWS</code> (default:
* 1000).<br />
* The estimated number of rows in a function table (for example, CSVREAD or
* FTL_SEARCH). This value is used by the optimizer.
*/
public final int estimatedFunctionTableRows = get(
"ESTIMATED_FUNCTION_TABLE_ROWS", 1000);
/**
* Database setting <code>FUNCTIONS_IN_SCHEMA</code>
* (default: true).<br />
* If set, all functions are stored in a schema. Specially, the SCRIPT
* statement will always include the schema name in the CREATE ALIAS
* statement. This is not backward compatible with H2 versions 1.2.134 and
* older.
*/
public final boolean functionsInSchema = get("FUNCTIONS_IN_SCHEMA", true);
/**
* Database setting <code>LARGE_RESULT_BUFFER_SIZE</code>
* (default: 4096).<br />
* Buffer size for large result sets. Set this value to 0 to disable the
* buffer.
*/
public final int largeResultBufferSize = get("LARGE_RESULT_BUFFER_SIZE",
4 * 1024);
/**
* Database setting <code>LARGE_TRANSACTIONS</code> (default: true).<br />
* Support very large transactions
*/
public final boolean largeTransactions = get("LARGE_TRANSACTIONS", true);
/**
* Database setting <code>MAX_COMPACT_COUNT</code>
* (default: Integer.MAX_VALUE).<br />
* The maximum number of pages to move when closing a database.
*/
public final int maxCompactCount = get("MAX_COMPACT_COUNT",
Integer.MAX_VALUE);
/**
* Database setting <code>MAX_COMPACT_TIME</code> (default: 200).<br />
* The maximum time in milliseconds used to compact a database when closing.
*/
public final int maxCompactTime = get("MAX_COMPACT_TIME", 200);
/**
* Database setting <code>MAX_MEMORY_ROWS_DISTINCT</code> (default:
* 10000).<br />
* The maximum number of rows kept in-memory for SELECT DISTINCT queries. If
* more than this number of rows are in a result set, a temporary table is
* used.
*/
public final int maxMemoryRowsDistinct = get("MAX_MEMORY_ROWS_DISTINCT",
10000);
/**
* Database setting <code>MAX_QUERY_TIMEOUT</code> (default: 0).<br />
* The maximum timeout of a query in milliseconds. The default is 0, meaning
* no limit. Please note the actual query timeout may be set to a lower
* value.
*/
public int maxQueryTimeout = get("MAX_QUERY_TIMEOUT", 0);
/**
* Database setting <code>NESTED_JOINS</code> (default: true).<br />
* Whether nested joins should be supported.
*/
public final boolean nestedJoins = get("NESTED_JOINS", true);
/**
* Database setting <code>OPTIMIZE_DISTINCT</code> (default: true).<br />
* Improve the performance of simple DISTINCT queries if an index is
* available for the given column. The optimization is used if:
* <ul>
* <li>The select is a single column query without condition </li>
* <li>The query contains only one table, and no group by </li>
* <li>There is only one table involved </li>
* <li>There is an ascending index on the column </li>
* <li>The selectivity of the column is below 20 </li>
* </ul>
*/
public final boolean optimizeDistinct = get("OPTIMIZE_DISTINCT", true);
/**
* Database setting <code>OPTIMIZE_EVALUATABLE_SUBQUERIES</code> (default:
* true).<br />
* Optimize subqueries that are not dependent on the outer query.
*/
public final boolean optimizeEvaluatableSubqueries = get(
"OPTIMIZE_EVALUATABLE_SUBQUERIES", true);
/**
* Database setting <code>OPTIMIZE_INSERT_FROM_SELECT</code>
* (default: true).<br />
* Insert into table from query directly bypassing temporary disk storage.
* This also applies to create table as select.
*/
public final boolean optimizeInsertFromSelect = get(
"OPTIMIZE_INSERT_FROM_SELECT", true);
/**
* Database setting <code>OPTIMIZE_IN_LIST</code> (default: true).<br />
* Optimize IN(...) and IN(SELECT ...) comparisons. This includes
* optimization for SELECT, DELETE, and UPDATE.
*/
public final boolean optimizeInList = get("OPTIMIZE_IN_LIST", true);
/**
* Database setting <code>OPTIMIZE_IN_SELECT</code> (default: true).<br />
* Optimize IN(SELECT ...) comparisons. This includes
* optimization for SELECT, DELETE, and UPDATE.
*/
public final boolean optimizeInSelect = get("OPTIMIZE_IN_SELECT", true);
/**
* Database setting <code>OPTIMIZE_IS_NULL</code> (default: false).<br />
* Use an index for condition of the form columnName IS NULL.
*/
public final boolean optimizeIsNull = get("OPTIMIZE_IS_NULL", true);
/**
* Database setting <code>OPTIMIZE_OR</code> (default: true).<br />
* Convert (C=? OR C=?) to (C IN(?, ?)).
*/
public final boolean optimizeOr = get("OPTIMIZE_OR", true);
/**
* Database setting <code>OPTIMIZE_TWO_EQUALS</code> (default: true).<br />
* Optimize expressions of the form A=B AND B=1. In this case, AND A=1 is
* added so an index on A can be used.
*/
public final boolean optimizeTwoEquals = get("OPTIMIZE_TWO_EQUALS", true);
/**
* Database setting <code>OPTIMIZE_UPDATE</code> (default: true).<br />
* Speed up inserts, updates, and deletes by not reading all rows from a
* page unless necessary.
*/
public final boolean optimizeUpdate = get("OPTIMIZE_UPDATE", true);
/**
* Database setting <code>PAGE_STORE_MAX_GROWTH</code>
* (default: 128 * 1024).<br />
* The maximum number of pages the file grows at any time.
*/
public final int pageStoreMaxGrowth = get("PAGE_STORE_MAX_GROWTH",
128 * 1024);
/**
* Database setting <code>PAGE_STORE_INTERNAL_COUNT</code>
* (default: false).<br />
* Update the row counts on a node level.
*/
public final boolean pageStoreInternalCount = get(
"PAGE_STORE_INTERNAL_COUNT", false);
/**
* Database setting <code>PAGE_STORE_TRIM</code> (default: true).<br />
* Trim the database size when closing.
*/
public final boolean pageStoreTrim = get("PAGE_STORE_TRIM", true);
/**
* Database setting <code>QUERY_CACHE_SIZE</code> (default: 8).<br />
* The size of the query cache, in number of cached statements. Each session
* has it's own cache with the given size. The cache is only used if the SQL
* statement and all parameters match. Only the last returned result per
* query is cached. The following statement types are cached: SELECT
* statements are cached (excluding UNION and FOR UPDATE statements), CALL
* if it returns a single value, DELETE, INSERT, MERGE, UPDATE, and
* transactional statements such as COMMIT. This works for both statements
* and prepared statement.
*/
public final int queryCacheSize = get("QUERY_CACHE_SIZE", 8);
/**
* Database setting <code>RECOMPILE_ALWAYS</code> (default: false).<br />
* Always recompile prepared statements.
*/
public final boolean recompileAlways = get("RECOMPILE_ALWAYS", false);
/**
* Database setting <code>RECONNECT_CHECK_DELAY</code> (default: 200).<br />
* Check the .lock.db file every this many milliseconds to detect that the
* database was changed. The process writing to the database must first
* notify a change in the .lock.db file, then wait twice this many
* milliseconds before updating the database.
*/
public final int reconnectCheckDelay = get("RECONNECT_CHECK_DELAY", 200);
/**
* Database setting <code>ROWID</code> (default: true).<br />
* If set, each table has a pseudo-column _ROWID_.
*/
public final boolean rowId = get("ROWID", true);
/**
* Database setting <code>SELECT_FOR_UPDATE_MVCC</code>
* (default: true).<br />
* If set, SELECT .. FOR UPDATE queries lock only the selected rows when
* using MVCC.
*/
public final boolean selectForUpdateMvcc = get("SELECT_FOR_UPDATE_MVCC", true);
/**
* Database setting <code>SHARE_LINKED_CONNECTIONS</code>
* (default: true).<br />
* Linked connections should be shared, that means connections to the same
* database should be used for all linked tables that connect to the same
* database.
*/
public final boolean shareLinkedConnections = get(
"SHARE_LINKED_CONNECTIONS", true);
/**
* Database setting <code>DEFAULT_TABLE_ENGINE</code>
* (default: null).<br />
* The default table engine to use for new tables.
*/
public String defaultTableEngine = get("DEFAULT_TABLE_ENGINE", null);
/**
* Database setting <code>MV_STORE</code>
* (default: false).<br />
* Use the MVStore storage engine.
*/
public final boolean mvStore = get("MV_STORE", false);
/**
* Database setting <code>COMPRESS</code>
* (default: false).<br />
* Compress data when storing.
*/
public final boolean compressData = get("COMPRESS", false);
private DbSettings(HashMap<String, String> s) {
super(s);
}
/**
* INTERNAL.
* Get the settings for the given properties (may be null).
*
* @param s the settings
* @return the settings
*/
public static DbSettings getInstance(HashMap<String, String> s) {
if (s == null || s.isEmpty()) {
if (defaultSettings == null) {
defaultSettings = new DbSettings(new HashMap<String, String>());
}
return defaultSettings;
}
return new DbSettings(s);
}
}
h2/src/main/org/h2/engine/Engine.java
浏览文件 @ 9646d854
......@@ -7,12 +7,11 @@
package org.h2.engine;
import java.util.HashMap;
import org.h2.api.ErrorCode;
import org.h2.command.CommandInterface;
import org.h2.command.Parser;
import org.h2.command.dml.SetTypes;
import org.h2.constant.DbSettings;
import org.h2.constant.ErrorCode;
import org.h2.constant.SysProperties;
import org.h2.message.DbException;
import org.h2.store.FileLock;
import org.h2.util.MathUtils;
......
h2/src/main/org/h2/engine/FunctionAlias.java
浏览文件 @ 9646d854
......@@ -14,9 +14,8 @@ import java.sql.Connection;
import java.util.ArrayList;
import java.util.Arrays;
import org.h2.Driver;
import org.h2.api.ErrorCode;
import org.h2.command.Parser;
import org.h2.constant.ErrorCode;
import org.h2.constant.SysProperties;
import org.h2.expression.Expression;
import org.h2.message.DbException;
import org.h2.message.Trace;
......
h2/src/main/org/h2/engine/Session.java
浏览文件 @ 9646d854
......@@ -12,13 +12,12 @@ import java.util.HashSet;
import java.util.Iterator;
import java.util.Random;
import org.h2.api.ErrorCode;
import org.h2.command.Command;
import org.h2.command.CommandInterface;
import org.h2.command.Parser;
import org.h2.command.Prepared;
import org.h2.command.dml.SetTypes;
import org.h2.constant.ErrorCode;
import org.h2.constant.SysProperties;
import org.h2.constraint.Constraint;
import org.h2.index.Index;
import org.h2.jdbc.JdbcConnection;
......
h2/src/main/org/h2/engine/SessionRemote.java
浏览文件 @ 9646d854
......@@ -10,12 +10,11 @@ import java.io.IOException;
import java.net.Socket;
import java.util.ArrayList;
import org.h2.api.DatabaseEventListener;
import org.h2.api.ErrorCode;
import org.h2.api.JavaObjectSerializer;
import org.h2.command.CommandInterface;
import org.h2.command.CommandRemote;
import org.h2.command.dml.SetTypes;
import org.h2.constant.ErrorCode;
import org.h2.constant.SysProperties;
import org.h2.jdbc.JdbcSQLException;
import org.h2.message.DbException;
import org.h2.message.Trace;
......
h2/src/main/org/h2/engine/SettingsBase.java
浏览文件 @ 9646d854
......@@ -7,7 +7,8 @@
package org.h2.engine;
import java.util.HashMap;
import org.h2.constant.ErrorCode;
import org.h2.api.ErrorCode;
import org.h2.message.DbException;
import org.h2.util.Utils;
......
h2/src/main/org/h2/engine/SysProperties.java 0 → 100644
浏览文件 @ 9646d854
/*
* Copyright 2004-2013 H2 Group. Multiple-Licensed under the H2 License,
* Version 1.0, and under the Eclipse Public License, Version 1.0
* (http://h2database.com/html/license.html).
* Initial Developer: H2 Group
*/
package org.h2.engine;
import org.h2.message.TraceSystem;
import org.h2.util.MathUtils;
import org.h2.util.Utils;
/**
* The constants defined in this class are initialized from system properties.
* Some system properties are per machine settings, and others are as a last
* resort and temporary solution to work around a problem in the application or
* database engine. Also, there are system properties to enable features that
* are not yet fully tested or that are not backward compatible.
* <p>
* System properties can be set when starting the virtual machine:
* </p>
*
* <pre>
* java -Dh2.baseDir=/temp
* </pre>
*
* They can be set within the application, but this must be done before loading
* any classes of this database (before loading the JDBC driver):
*
* <pre>
* System.setProperty(&quot;h2.baseDir&quot;, &quot;/temp&quot;);
* </pre>
*/
public class SysProperties {
/**
* INTERNAL
*/
public static final String H2_SCRIPT_DIRECTORY = "h2.scriptDirectory";
/**
* INTERNAL
*/
public static final String H2_BROWSER = "h2.browser";
/**
* System property <code>file.encoding</code> (default: Cp1252).<br />
* It is usually set by the system and is the default encoding used for the
* RunScript and CSV tool.
*/
public static final String FILE_ENCODING =
Utils.getProperty("file.encoding", "Cp1252");
/**
* System property <code>file.separator</code> (default: /).<br />
* It is usually set by the system, and used to build absolute file names.
*/
public static final String FILE_SEPARATOR =
Utils.getProperty("file.separator", "/");
/**
* System property <code>java.specification.version</code>.<br />
* It is set by the system. Examples: 1.4, 1.5, 1.6.
*/
public static final String JAVA_SPECIFICATION_VERSION =
Utils.getProperty("java.specification.version", "1.4");
/**
* System property <code>line.separator</code> (default: \n).<br />
* It is usually set by the system, and used by the script and trace tools.
*/
public static final String LINE_SEPARATOR =
Utils.getProperty("line.separator", "\n");
/**
* System property <code>user.home</code> (empty string if not set).<br />
* It is usually set by the system, and used as a replacement for ~ in file
* names.
*/
public static final String USER_HOME =
Utils.getProperty("user.home", "");
/**
* System property <code>h2.allowedClasses</code> (default: *).<br />
* Comma separated list of class names or prefixes.
*/
public static final String ALLOWED_CLASSES =
Utils.getProperty("h2.allowedClasses", "*");
/**
* System property <code>h2.browser</code> (default: null).<br />
* The preferred browser to use. If not set, the default browser is used.
* For Windows, to use the Internet Explorer, set this property to
* 'explorer'. For Mac OS, if the default browser is not Safari and you want
* to use Safari, use:
* <code>java -Dh2.browser="open,-a,Safari,%url" ...</code>.
*/
public static final String BROWSER =
Utils.getProperty(H2_BROWSER, null);
/**
* System property <code>h2.enableAnonymousSSL</code> (default: true).<br />
* When using SSL connection, the anonymous cipher suite
* SSL_DH_anon_WITH_RC4_128_MD5 should be enabled.
*/
public static final boolean ENABLE_ANONYMOUS_SSL =
Utils.getProperty("h2.enableAnonymousSSL", true);
/**
* System property <code>h2.bindAddress</code> (default: null).<br />
* The bind address to use.
*/
public static final String BIND_ADDRESS =
Utils.getProperty("h2.bindAddress", null);
/**
* System property <code>h2.check</code> (default: true).<br />
* Assertions in the database engine.
*/
//## CHECK ##
public static final boolean CHECK =
Utils.getProperty("h2.check", true);
/*/
public static final boolean CHECK = false;
//*/
/**
* System property <code>h2.check2</code> (default: true).<br />
* Additional assertions in the database engine.
*/
//## CHECK ##
public static final boolean CHECK2 =
Utils.getProperty("h2.check2", false);
/*/
public static final boolean CHECK2 = false;
//*/
/**
* System property <code>h2.clientTraceDirectory</code> (default:
* trace.db/).<br />
* Directory where the trace files of the JDBC client are stored (only for
* client / server).
*/
public static final String CLIENT_TRACE_DIRECTORY =
Utils.getProperty("h2.clientTraceDirectory", "trace.db/");
/**
* System property <code>h2.collatorCacheSize</code> (default: 32000).<br />
* The cache size for collation keys (in elements). Used when a collator has
* been set for the database.
*/
public static final int COLLATOR_CACHE_SIZE =
Utils.getProperty("h2.collatorCacheSize", 32000);
/**
* System property <code>h2.consoleStream</code> (default: true).<br />
* H2 Console: stream query results.
*/
public static final boolean CONSOLE_STREAM =
Utils.getProperty("h2.consoleStream", true);
/**
* System property <code>h2.consoleTimeout</code> (default: 1800000).<br />
* H2 Console: session timeout in milliseconds. The default is 30 minutes.
*/
public static final int CONSOLE_TIMEOUT =
Utils.getProperty("h2.consoleTimeout", 30 * 60 * 1000);
/**
* System property <code>h2.dataSourceTraceLevel</code> (default: 1).<br />
* The trace level of the data source implementation. Default is 1 for
* error.
*/
public static final int DATASOURCE_TRACE_LEVEL =
Utils.getProperty("h2.dataSourceTraceLevel", TraceSystem.ERROR);
/**
* System property <code>h2.delayWrongPasswordMin</code>
* (default: 250).<br />
* The minimum delay in milliseconds before an exception is thrown for using
* the wrong user name or password. This slows down brute force attacks. The
* delay is reset to this value after a successful login. Unsuccessful
* logins will double the time until DELAY_WRONG_PASSWORD_MAX.
* To disable the delay, set this system property to 0.
*/
public static final int DELAY_WRONG_PASSWORD_MIN =
Utils.getProperty("h2.delayWrongPasswordMin", 250);
/**
* System property <code>h2.delayWrongPasswordMax</code>
* (default: 4000).<br />
* The maximum delay in milliseconds before an exception is thrown for using
* the wrong user name or password. This slows down brute force attacks. The
* delay is reset after a successful login. The value 0 means there is no
* maximum delay.
*/
public static final int DELAY_WRONG_PASSWORD_MAX =
Utils.getProperty("h2.delayWrongPasswordMax", 4000);
/**
* System property <code>h2.javaSystemCompiler</code> (default: true).<br />
* Whether to use the Java system compiler
* (ToolProvider.getSystemJavaCompiler()) if it is available to compile user
* defined functions. If disabled or if the system compiler is not
* available, the com.sun.tools.javac compiler is used if available, and
* "javac" (as an external process) is used if not.
*/
public static final boolean JAVA_SYSTEM_COMPILER =
Utils.getProperty("h2.javaSystemCompiler", true);
/**
* System property <code>h2.lobCloseBetweenReads</code>
* (default: false).<br />
* Close LOB files between read operations.
*/
public static boolean lobCloseBetweenReads =
Utils.getProperty("h2.lobCloseBetweenReads", false);
/**
* System property <code>h2.lobFilesPerDirectory</code>
* (default: 256).<br />
* Maximum number of LOB files per directory.
*/
public static final int LOB_FILES_PER_DIRECTORY =
Utils.getProperty("h2.lobFilesPerDirectory", 256);
/**
* System property <code>h2.lobClientMaxSizeMemory</code> (default:
* 1048576).<br />
* The maximum size of a LOB object to keep in memory on the client side
* when using the server mode.
*/
public static final int LOB_CLIENT_MAX_SIZE_MEMORY =
Utils.getProperty("h2.lobClientMaxSizeMemory", 1024 * 1024);
/**
* System property <code>h2.maxFileRetry</code> (default: 16).<br />
* Number of times to retry file delete and rename. in Windows, files can't
* be deleted if they are open. Waiting a bit can help (sometimes the
* Windows Explorer opens the files for a short time) may help. Sometimes,
* running garbage collection may close files if the user forgot to call
* Connection.close() or InputStream.close().
*/
public static final int MAX_FILE_RETRY =
Math.max(1, Utils.getProperty("h2.maxFileRetry", 16));
/**
* System property <code>h2.maxReconnect</code> (default: 3).<br />
* The maximum number of tries to reconnect in a row.
*/
public static final int MAX_RECONNECT =
Utils.getProperty("h2.maxReconnect", 3);
/**
* System property <code>h2.maxTraceDataLength</code>
* (default: 65535).<br />
* The maximum size of a LOB value that is written as data to the trace
* system.
*/
public static final long MAX_TRACE_DATA_LENGTH =
Utils.getProperty("h2.maxTraceDataLength", 65535);
/**
* System property <code>h2.modifyOnWrite</code> (default: false).<br />
* Only modify the database file when recovery is necessary, or when writing
* to the database. If disabled, opening the database always writes to the
* file (except if the database is read-only). When enabled, the serialized
* file lock is faster.
*/
public static final boolean MODIFY_ON_WRITE =
Utils.getProperty("h2.modifyOnWrite", false);
/**
* System property <code>h2.nioLoadMapped</code> (default: false).<br />
* If the mapped buffer should be loaded when the file is opened.
* This can improve performance.
*/
public static final boolean NIO_LOAD_MAPPED =
Utils.getProperty("h2.nioLoadMapped", false);
/**
* System property <code>h2.nioCleanerHack</code> (default: false).<br />
* If enabled, use the reflection hack to un-map the mapped file if
* possible. If disabled, System.gc() is called in a loop until the object
* is garbage collected. See also
* http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=4724038
*/
public static final boolean NIO_CLEANER_HACK =
Utils.getProperty("h2.nioCleanerHack", false);
/**
* System property <code>h2.objectCache</code> (default: true).<br />
* Cache commonly used values (numbers, strings). There is a shared cache
* for all values.
*/
public static final boolean OBJECT_CACHE =
Utils.getProperty("h2.objectCache", true);
/**
* System property <code>h2.objectCacheMaxPerElementSize</code> (default:
* 4096).<br />
* The maximum size (precision) of an object in the cache.
*/
public static final int OBJECT_CACHE_MAX_PER_ELEMENT_SIZE =
Utils.getProperty("h2.objectCacheMaxPerElementSize", 4096);
/**
* System property <code>h2.objectCacheSize</code> (default: 1024).<br />
* The maximum number of objects in the cache.
* This value must be a power of 2.
*/
public static final int OBJECT_CACHE_SIZE =
MathUtils.nextPowerOf2(Utils.getProperty("h2.objectCacheSize", 1024));
/**
* System property <code>h2.pgClientEncoding</code> (default: UTF-8).<br />
* Default client encoding for PG server. It is used if the client does not
* sends his encoding.
*/
public static final String PG_DEFAULT_CLIENT_ENCODING =
Utils.getProperty("h2.pgClientEncoding", "UTF-8");
/**
* System property <code>h2.prefixTempFile</code> (default: h2.temp).<br />
* The prefix for temporary files in the temp directory.
*/
public static final String PREFIX_TEMP_FILE =
Utils.getProperty("h2.prefixTempFile", "h2.temp");
/**
* System property <code>h2.serverCachedObjects</code> (default: 64).<br />
* TCP Server: number of cached objects per session.
*/
public static final int SERVER_CACHED_OBJECTS =
Utils.getProperty("h2.serverCachedObjects", 64);
/**
* System property <code>h2.serverResultSetFetchSize</code>
* (default: 100).<br />
* The default result set fetch size when using the server mode.
*/
public static final int SERVER_RESULT_SET_FETCH_SIZE =
Utils.getProperty("h2.serverResultSetFetchSize", 100);
/**
* System property <code>h2.socketConnectRetry</code> (default: 16).<br />
* The number of times to retry opening a socket. Windows sometimes fails
* to open a socket, see bug
* http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6213296
*/
public static final int SOCKET_CONNECT_RETRY =
Utils.getProperty("h2.socketConnectRetry", 16);
/**
* System property <code>h2.socketConnectTimeout</code>
* (default: 2000).<br />
* The timeout in milliseconds to connect to a server.
*/
public static final int SOCKET_CONNECT_TIMEOUT =
Utils.getProperty("h2.socketConnectTimeout", 2000);
/**
* System property <code>h2.sortBinaryUnsigned</code> (default: false).<br />
* Whether binary data should be sorted in unsigned mode (0xff is larger than 0x00).
*/
;
public static final boolean SORT_BINARY_UNSIGNED =
Utils.getProperty("h2.sortBinaryUnsigned", false);
/**
* System property <code>h2.sortNullsHigh</code> (default: false).<br />
* Invert the default sorting behavior for NULL, such that NULL
* is at the end of a result set in an ascending sort and at
* the beginning of a result set in a descending sort.
*/
public static final boolean SORT_NULLS_HIGH =
Utils.getProperty("h2.sortNullsHigh", false);
/**
* System property <code>h2.splitFileSizeShift</code> (default: 30).<br />
* The maximum file size of a split file is 1L &lt;&lt; x.
*/
public static final long SPLIT_FILE_SIZE_SHIFT =
Utils.getProperty("h2.splitFileSizeShift", 30);
/**
* System property <code>h2.storeLocalTime</code> (default: false).<br />
* Store the local time. If disabled, the daylight saving offset is not
* taken into account.
*/
public static final boolean STORE_LOCAL_TIME =
Utils.getProperty("h2.storeLocalTime", false);
/**
* System property <code>h2.syncMethod</code> (default: sync).<br />
* What method to call when closing the database, on checkpoint, and on
* CHECKPOINT SYNC. The following options are supported:
* "sync" (default): RandomAccessFile.getFD().sync();
* "force": RandomAccessFile.getChannel().force(true);
* "forceFalse": RandomAccessFile.getChannel().force(false);
* "": do not call a method (fast but there is a risk of data loss
* on power failure).
*/
public static final String SYNC_METHOD =
Utils.getProperty("h2.syncMethod", "sync");
/**
* System property <code>h2.traceIO</code> (default: false).<br />
* Trace all I/O operations.
*/
public static final boolean TRACE_IO =
Utils.getProperty("h2.traceIO", false);
/**
* System property <code>h2.implicitRelativePath</code> (default: true).<br />
* If disabled, relative paths in database URLs need to be written as
* jdbc:h2:./test instead of jdbc:h2:test.
*/
;
public static final boolean IMPLICIT_RELATIVE_PATH =
Utils.getProperty("h2.implicitRelativePath", false);
/**
* System property <code>h2.urlMap</code> (default: null).<br />
* A properties file that contains a mapping between database URLs. New
* connections are written into the file. An empty value in the map means no
* redirection is used for the given URL.
*/
public static final String URL_MAP =
Utils.getProperty("h2.urlMap", null);
/**
* System property <code>h2.useThreadContextClassLoader</code>
* (default: false).<br />
* Instead of using the default class loader when deserializing objects, the
* current thread-context class loader will be used.
*/
public static final boolean USE_THREAD_CONTEXT_CLASS_LOADER =
Utils.getProperty("h2.useThreadContextClassLoader", false);
/**
* System property <code>h2.serializeJavaObject</code>
* (default: true).<br />
* <b>If true</b>, values of type OTHER will be stored in serialized form
* and have the semantics of binary data for all operations (such as sorting
* and conversion to string).
* <br />
* <b>If false</b>, the objects will be serialized only for I/O operations
* and a few other special cases (for example when someone tries to get the
* value in binary form or when comparing objects that are not comparable
* otherwise).
* <br />
* If the object implements the Comparable interface, the method compareTo
* will be used for sorting (but only if objects being compared have a
* common comparable super type). Otherwise the objects will be compared by
* type, and if they are the same by hashCode, and if the hash codes are
* equal, but objects are not, the serialized forms (the byte arrays) are
* compared.
* <br />
* The string representation of the values use the toString method of
* object.
* <br />
* In client-server mode, the server must have all required classes in the
* class path. On the client side, this setting is required to be disabled
* as well, to have correct string representation and display size.
* <br />
* In embedded mode, no data copying occurs, so the user has to make
* defensive copy himself before storing, or ensure that the value object is
* immutable.
*/
public static boolean serializeJavaObject =
Utils.getProperty("h2.serializeJavaObject", true);
/**
* System property <code>h2.javaObjectSerializer</code>
* (default: null).<br />
* The JavaObjectSerializer class name for java objects being stored in
* column of type OTHER. It must be the same on client and server to work
* correctly.
*/
public static final String JAVA_OBJECT_SERIALIZER =
Utils.getProperty("h2.javaObjectSerializer", null);
private static final String H2_BASE_DIR = "h2.baseDir";
private SysProperties() {
// utility class
}
/**
* INTERNAL
*/
public static void setBaseDir(String dir) {
if (!dir.endsWith("/")) {
dir += "/";
}
System.setProperty(H2_BASE_DIR, dir);
}
/**
* INTERNAL
*/
public static String getBaseDir() {
return Utils.getProperty(H2_BASE_DIR, null);
}
/**
* System property <code>h2.scriptDirectory</code> (default: empty
* string).<br />
* Relative or absolute directory where the script files are stored to or
* read from.
*
* @return the current value
*/
public static String getScriptDirectory() {
return Utils.getProperty(H2_SCRIPT_DIRECTORY, "");
}
}
h2/src/main/org/h2/engine/UndoLog.java
浏览文件 @ 9646d854
......@@ -8,7 +8,6 @@ package org.h2.engine;
import java.util.ArrayList;
import java.util.HashMap;
import org.h2.constant.SysProperties;
import org.h2.message.DbException;
import org.h2.store.Data;
import org.h2.store.FileStore;
......
h2/src/main/org/h2/engine/UndoLogRecord.java
浏览文件 @ 9646d854
......@@ -6,8 +6,7 @@
*/
package org.h2.engine;
import org.h2.constant.ErrorCode;
import org.h2.constant.SysProperties;
import org.h2.api.ErrorCode;
import org.h2.message.DbException;
import org.h2.result.Row;
import org.h2.store.Data;
......
h2/src/main/org/h2/engine/User.java
浏览文件 @ 9646d854
......@@ -8,7 +8,8 @@ package org.h2.engine;
import java.util.ArrayList;
import java.util.Arrays;
import org.h2.constant.ErrorCode;
import org.h2.api.ErrorCode;
import org.h2.message.DbException;
import org.h2.message.Trace;
import org.h2.schema.Schema;
......
Markdown 格式
0% 或
您添加了 0 人 到此讨论。请谨慎行事。
请先完成此评论的编辑！
请 注册 或者 后发表评论