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提交 49207ecb authored 作者: Thomas Mueller's avatar Thomas Mueller
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Issue 264: the Hibernate dialect in src/tools was removed because it is outdated.

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h2/src/docsrc/html/changelog.html
浏览文件 @ 49207ecb
......@@ -18,7 +18,7 @@ Change Log
<h1>Change Log</h1>
<h2>Next Version (unreleased)</h2>
<ul><li>-
<ul><li>Issue 264: the Hibernate dialect in src/tools was removed because it is outdated.
</li></ul>
<h2>Version 1.3.148 Beta (2010-12-12)</h2>
......
h2/src/docsrc/html/tutorial.html
浏览文件 @ 49207ecb
......@@ -538,10 +538,9 @@ Shutting down a TCP server can be protected using the option <code>-tcpPassword<
<h2 id="using_hibernate">Using Hibernate</h2>
<p>
This database supports Hibernate version 3.1 and newer. You can use the HSQLDB Dialect,
or the native H2 Dialect. Unfortunately the H2 Dialect included in some versions of Hibernate is buggy.
or the native H2 Dialect. Unfortunately the H2 Dialect included in some old versions of Hibernate was buggy.
A <a href="http://opensource.atlassian.com/projects/hibernate/browse/HHH-3401">patch
for Hibernate</a> has been submitted and is now applied. The dialect for the newest version of Hibernate
is also available at <code>src/tools/org/hibernate/dialect/H2Dialect.java.txt</code>.
for Hibernate</a> has been submitted and is now applied.
You can rename it to <code>H2Dialect.java</code> and include this as a patch in your application,
or upgrade to a version of Hibernate where this is fixed.
</p>
......
h2/src/tools/org/hibernate/dialect/H2Dialect.java.txt deleted 100644 → 0
浏览文件 @ 36841fdf
package org.hibernate.dialect;
import java.sql.SQLException;
import java.sql.Types;
import org.hibernate.Hibernate;
import org.hibernate.cfg.Environment;
import org.hibernate.dialect.function.NoArgSQLFunction;
import org.hibernate.dialect.function.StandardSQLFunction;
import org.hibernate.dialect.function.VarArgsSQLFunction;
import org.hibernate.exception.TemplatedViolatedConstraintNameExtracter;
import org.hibernate.exception.ViolatedConstraintNameExtracter;
import org.hibernate.util.ReflectHelper;
/**
* A dialect compatible with the H2 database.
*
* @author Thomas Mueller
*
*/
public class H2Dialect extends Dialect {
private String querySequenceString;
public H2Dialect() {
super();
querySequenceString = "select sequence_name from information_schema.sequences";
try {
// HHH-2300
Class constants = ReflectHelper.classForName( "org.h2.engine.Constants" );
Integer build = (Integer)constants.getDeclaredField("BUILD_ID" ).get(null);
int buildid = build.intValue();
if(buildid < 32) {
querySequenceString = "select name from information_schema.sequences";
}
} catch(Throwable e) {
// ignore (probably H2 not in the classpath)
}
registerColumnType(Types.BOOLEAN, "boolean");
registerColumnType(Types.BIGINT, "bigint");
registerColumnType(Types.BINARY, "binary");
registerColumnType(Types.BIT, "boolean");
registerColumnType(Types.CHAR, "char($l)");
registerColumnType(Types.DATE, "date");
registerColumnType(Types.DECIMAL, "decimal($p,$s)");
registerColumnType(Types.DOUBLE, "double");
registerColumnType(Types.FLOAT, "float");
registerColumnType(Types.INTEGER, "integer");
registerColumnType(Types.LONGVARBINARY, "longvarbinary");
registerColumnType(Types.LONGVARCHAR, "longvarchar");
registerColumnType(Types.REAL, "real");
registerColumnType(Types.SMALLINT, "smallint");
registerColumnType(Types.TINYINT, "tinyint");
registerColumnType(Types.TIME, "time");
registerColumnType(Types.TIMESTAMP, "timestamp");
registerColumnType(Types.VARCHAR, "varchar($l)");
registerColumnType(Types.VARBINARY, "binary($l)");
registerColumnType(Types.NUMERIC, "decimal($p,$s)");
registerColumnType(Types.BLOB, "blob");
registerColumnType(Types.CLOB, "clob");
// select topic, syntax from information_schema.help
// where section like 'Function%' order by section, topic
// registerFunction("abs", new StandardSQLFunction("abs"));
registerFunction("acos", new StandardSQLFunction("acos", Hibernate.DOUBLE));
registerFunction("asin", new StandardSQLFunction("asin", Hibernate.DOUBLE));
registerFunction("atan", new StandardSQLFunction("atan", Hibernate.DOUBLE));
registerFunction("atan2", new StandardSQLFunction("atan2", Hibernate.DOUBLE));
registerFunction("bitand", new StandardSQLFunction("bitand", Hibernate.INTEGER));
registerFunction("bitor", new StandardSQLFunction("bitor", Hibernate.INTEGER));
registerFunction("bitxor", new StandardSQLFunction("bitxor", Hibernate.INTEGER));
registerFunction("ceiling", new StandardSQLFunction("ceiling", Hibernate.DOUBLE));
registerFunction("cos", new StandardSQLFunction("cos", Hibernate.DOUBLE));
registerFunction("cot", new StandardSQLFunction("cot", Hibernate.DOUBLE));
registerFunction("degrees", new StandardSQLFunction("degrees", Hibernate.DOUBLE));
registerFunction("exp", new StandardSQLFunction("exp", Hibernate.DOUBLE));
registerFunction("floor", new StandardSQLFunction("floor", Hibernate.DOUBLE));
registerFunction("log", new StandardSQLFunction("log", Hibernate.DOUBLE));
registerFunction("log10", new StandardSQLFunction("log10", Hibernate.DOUBLE));
// registerFunction("mod", new StandardSQLFunction("mod", Hibernate.INTEGER));
registerFunction("pi", new NoArgSQLFunction("pi", Hibernate.DOUBLE));
registerFunction("power", new StandardSQLFunction("power", Hibernate.DOUBLE));
registerFunction("radians", new StandardSQLFunction("radians", Hibernate.DOUBLE));
registerFunction("rand", new NoArgSQLFunction("rand", Hibernate.DOUBLE));
registerFunction("round", new StandardSQLFunction("round", Hibernate.DOUBLE));
registerFunction("roundmagic", new StandardSQLFunction("roundmagic", Hibernate.DOUBLE));
registerFunction("sign", new StandardSQLFunction("sign", Hibernate.INTEGER));
registerFunction("sin", new StandardSQLFunction("sin", Hibernate.DOUBLE));
// registerFunction("sqrt", new StandardSQLFunction("sqrt", Hibernate.DOUBLE));
registerFunction("tan", new StandardSQLFunction("tan", Hibernate.DOUBLE));
registerFunction("truncate", new StandardSQLFunction("truncate", Hibernate.DOUBLE));
registerFunction("compress", new StandardSQLFunction("compress", Hibernate.BINARY));
registerFunction("expand", new StandardSQLFunction("compress", Hibernate.BINARY));
registerFunction("decrypt", new StandardSQLFunction("decrypt", Hibernate.BINARY));
registerFunction("encrypt", new StandardSQLFunction("encrypt", Hibernate.BINARY));
registerFunction("hash", new StandardSQLFunction("hash", Hibernate.BINARY));
registerFunction("ascii", new StandardSQLFunction("ascii", Hibernate.INTEGER));
// registerFunction("bit_length", new StandardSQLFunction("bit_length", Hibernate.INTEGER));
registerFunction("char", new StandardSQLFunction("char", Hibernate.CHARACTER));
registerFunction("concat", new VarArgsSQLFunction(Hibernate.STRING, "(", "||", ")"));
registerFunction("difference", new StandardSQLFunction("difference", Hibernate.INTEGER));
registerFunction("hextoraw", new StandardSQLFunction("hextoraw", Hibernate.STRING));
registerFunction("lower", new StandardSQLFunction("lower", Hibernate.STRING));
registerFunction("insert", new StandardSQLFunction("lower", Hibernate.STRING));
registerFunction("left", new StandardSQLFunction("left", Hibernate.STRING));
// registerFunction("length", new StandardSQLFunction("length", Hibernate.INTEGER));
// registerFunction("locate", new StandardSQLFunction("locate", Hibernate.INTEGER));
// registerFunction("lower", new StandardSQLFunction("lower", Hibernate.STRING));
registerFunction("lcase", new StandardSQLFunction("lcase", Hibernate.STRING));
registerFunction("ltrim", new StandardSQLFunction("ltrim", Hibernate.STRING));
registerFunction("octet_length", new StandardSQLFunction("octet_length", Hibernate.INTEGER));
registerFunction("position", new StandardSQLFunction("position", Hibernate.INTEGER));
registerFunction("rawtohex", new StandardSQLFunction("rawtohex", Hibernate.STRING));
registerFunction("repeat", new StandardSQLFunction("repeat", Hibernate.STRING));
registerFunction("replace", new StandardSQLFunction("replace", Hibernate.STRING));
registerFunction("right", new StandardSQLFunction("right", Hibernate.STRING));
registerFunction("rtrim", new StandardSQLFunction("rtrim", Hibernate.STRING));
registerFunction("soundex", new StandardSQLFunction("soundex", Hibernate.STRING));
registerFunction("space", new StandardSQLFunction("space", Hibernate.STRING));
registerFunction("stringencode", new StandardSQLFunction("stringencode", Hibernate.STRING));
registerFunction("stringdecode", new StandardSQLFunction("stringdecode", Hibernate.STRING));
// registerFunction("substring", new StandardSQLFunction("substring", Hibernate.STRING));
// registerFunction("upper", new StandardSQLFunction("upper", Hibernate.STRING));
registerFunction("ucase", new StandardSQLFunction("ucase", Hibernate.STRING));
registerFunction("stringtoutf8", new StandardSQLFunction("stringtoutf8", Hibernate.BINARY));
registerFunction("utf8tostring", new StandardSQLFunction("utf8tostring", Hibernate.STRING));
registerFunction("current_date", new NoArgSQLFunction("current_date", Hibernate.DATE));
registerFunction("current_time", new NoArgSQLFunction("current_time", Hibernate.TIME));
registerFunction("current_timestamp", new NoArgSQLFunction("current_timestamp", Hibernate.TIMESTAMP));
registerFunction("datediff", new StandardSQLFunction("datediff", Hibernate.INTEGER));
registerFunction("dayname", new StandardSQLFunction("dayname", Hibernate.STRING));
registerFunction("dayofmonth", new StandardSQLFunction("dayofmonth", Hibernate.INTEGER));
registerFunction("dayofweek", new StandardSQLFunction("dayofweek", Hibernate.INTEGER));
registerFunction("dayofyear", new StandardSQLFunction("dayofyear", Hibernate.INTEGER));
// registerFunction("hour", new StandardSQLFunction("hour", Hibernate.INTEGER));
// registerFunction("minute", new StandardSQLFunction("minute", Hibernate.INTEGER));
// registerFunction("month", new StandardSQLFunction("month", Hibernate.INTEGER));
registerFunction("monthname", new StandardSQLFunction("monthname", Hibernate.STRING));
registerFunction("quarter", new StandardSQLFunction("quarter", Hibernate.INTEGER));
// registerFunction("second", new StandardSQLFunction("second", Hibernate.INTEGER));
registerFunction("week", new StandardSQLFunction("week", Hibernate.INTEGER));
// registerFunction("year", new StandardSQLFunction("year", Hibernate.INTEGER));
registerFunction("curdate", new NoArgSQLFunction("curdate", Hibernate.DATE));
registerFunction("curtime", new NoArgSQLFunction("curtime", Hibernate.TIME));
registerFunction("curtimestamp", new NoArgSQLFunction("curtimestamp", Hibernate.TIME));
registerFunction("now", new NoArgSQLFunction("now", Hibernate.TIMESTAMP));
registerFunction("database", new NoArgSQLFunction("database", Hibernate.STRING));
registerFunction("user", new NoArgSQLFunction("user", Hibernate.STRING));
getDefaultProperties().setProperty(Environment.STATEMENT_BATCH_SIZE, DEFAULT_BATCH_SIZE);
}
public String getAddColumnString() {
return "add column";
}
public boolean supportsIdentityColumns() {
return true;
}
public String getIdentityColumnString() {
return "generated by default as identity"; // not null is implicit
}
public String getIdentitySelectString() {
return "call identity()";
}
public String getIdentityInsertString() {
return "null";
}
public String getForUpdateString() {
return " for update";
}
public boolean supportsUnique() {
return true;
}
public boolean supportsLimit() {
return true;
}
public String getLimitString(String sql, boolean hasOffset) {
return new StringBuffer(sql.length() + 20).
append(sql).
append(hasOffset ? " limit ? offset ?" : " limit ?").
toString();
}
public boolean bindLimitParametersInReverseOrder() {
return true;
}
public boolean bindLimitParametersFirst() {
return false;
}
public boolean supportsIfExistsAfterTableName() {
return true;
}
public boolean supportsSequences() {
return true;
}
public boolean supportsPooledSequences() {
return true;
}
public String getCreateSequenceString(String sequenceName) {
return "create sequence " + sequenceName;
}
public String getDropSequenceString(String sequenceName) {
return "drop sequence " + sequenceName;
}
public String getSelectSequenceNextValString(String sequenceName) {
return "next value for " + sequenceName;
}
public String getSequenceNextValString(String sequenceName) {
return "call next value for " + sequenceName;
}
public String getQuerySequencesString() {
return querySequenceString;
}
public ViolatedConstraintNameExtracter getViolatedConstraintNameExtracter() {
return EXTRACTER;
}
private static ViolatedConstraintNameExtracter EXTRACTER = new TemplatedViolatedConstraintNameExtracter() {
/**
* Extract the name of the violated constraint from the given SQLException.
*
* @param sqle The exception that was the result of the constraint violation.
* @return The extracted constraint name.
*/
public String extractConstraintName(SQLException sqle) {
String constraintName = null;
// 23000: Check constraint violation: {0}
// 23001: Unique index or primary key violation: {0}
if(sqle.getSQLState().startsWith("23")) {
String message = sqle.getMessage();
int idx = message.indexOf("violation: ");
if(idx > 0) {
constraintName = message.substring(idx + "violation: ".length());
}
}
return constraintName;
}
};
public boolean supportsTemporaryTables() {
return true;
}
public String getCreateTemporaryTableString() {
return "create temporary table if not exists";
}
public boolean supportsCurrentTimestampSelection() {
return true;
}
public boolean isCurrentTimestampSelectStringCallable() {
return false;
}
public String getCurrentTimestampSelectString() {
return "call current_timestamp()";
}
public boolean supportsUnionAll() {
return true;
}
// Overridden informational metadata ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
public boolean supportsLobValueChangePropogation() {
return false;
}
}
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