Why does Eclipse propose “Object” as default mappi

2019-01-12 12:22发布

站内文章 / MySQL
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问题:

When generating JPA Entities from tables with Eclipse (Juno 4.2 for Java EE Developers) it proposes Object as default mapping type for properties I set to be Text.
That is quite annoying as I would have to set them all to String manually.
Has someone encountered that kind of problem and knows what to do? Is this a bug? Eclipse Indigo does not behave like that.

This is the /runtime/vendors/MySql_5.1/MySql_5.1.xmi from org.eclipse.datatools.enablement.mysql.dbdefinition_1.0.4.v201109022331.jar: (But as according to this file Text should be mapped to String this must be the wrong file - but how to find out the right one?)

<?xml version="1.0" encoding="ASCII"?>
<DBDefinition:DatabaseVendorDefinition xmi:version="2.0" xmlns:xmi="http://www.omg.org/XMI" xmlns:DBDefinition="http:///org/eclipse/datatools/modelbase/dbdefinition/dbdefinition.ecore" vendor="MySql" version="5.1" maximumIdentifierLength="64" joinSupported="true" tablespacesSupported="false" maximumCommentLength="60" schemaSupported="false" aliasSupported="true" SQLStatementSupported="true">
  <predefinedDataTypeDefinitions xmi:id="BIT_1" keyConstraintSupported="true"
maximumValue="1" minimumValue="0" primitiveType="SMALLINT" jdbcEnumType="-6"
javaClassName="byte">
    <defaultValueTypes>0</defaultValueTypes>
    <name>BIT</name>
    <name>BOOL</name>
    <name>BOOLEAN</name>
  </predefinedDataTypeDefinitions>
  <predefinedDataTypeDefinitions xmi:id="TINYINT_UNSIGNED"
keyConstraintSupported="true" maximumValue="255" minimumValue="0"
primitiveType="SMALLINT" jdbcEnumType="-6" javaClassName="byte">
    <defaultValueTypes>NULL</defaultValueTypes>
    <name>TINYINT UNSIGNED</name>
  </predefinedDataTypeDefinitions>
  <predefinedDataTypeDefinitions xmi:id="SMALLINT_UNSIGNED"
keyConstraintSupported="true" maximumValue="65535" minimumValue="0"
primitiveType="SMALLINT" jdbcEnumType="5" javaClassName="int">
    <defaultValueTypes>0</defaultValueTypes>
    <name>SMALLINT UNSIGNED</name>
  </predefinedDataTypeDefinitions>
  <predefinedDataTypeDefinitions xmi:id="MEDIUMINT_UNSIGNED"
keyConstraintSupported="true" maximumValue="16777215" minimumValue="0"
primitiveType="SMALLINT" jdbcEnumType="4" javaClassName="int">
    <defaultValueTypes>0</defaultValueTypes>
    <name>MEDIUMINT UNSIGNED</name>
  </predefinedDataTypeDefinitions>
  <predefinedDataTypeDefinitions xmi:id="INTEGER_UNSIGNED"
keyConstraintSupported="true" maximumValue="4294967295" minimumValue="0"
primitiveType="INTEGER" jdbcEnumType="4" javaClassName="int">
    <defaultValueTypes>0</defaultValueTypes>
    <name>INTEGER UNSIGNED</name>
    <name>INT UNSIGNED</name>    
  </predefinedDataTypeDefinitions>
  <predefinedDataTypeDefinitions xmi:id="BIGINT_UNSIGNED"
keyConstraintSupported="true" identitySupported="true" primitiveType="BIGINT"
jdbcEnumType="-5" javaClassName="java.math.BigInteger">
    <defaultValueTypes>NULL</defaultValueTypes>
    <name>BIGINT UNSIGNED</name>
    <name>SERIAL</name>    
  </predefinedDataTypeDefinitions>
  <predefinedDataTypeDefinitions xmi:id="REAL_UNSIGNED"
keyConstraintSupported="true" primitiveType="REAL" jdbcEnumType="7"
javaClassName="float">
    <defaultValueTypes>NULL</defaultValueTypes>
    <name>REAL UNSIGNED</name>
  </predefinedDataTypeDefinitions>
  <predefinedDataTypeDefinitions xmi:id="DOUBLE_UNSIGNED_PRECISION"
keyConstraintSupported="true" primitiveType="DOUBLE_PRECISION" jdbcEnumType="8"
javaClassName="double">
    <defaultValueTypes>NULL</defaultValueTypes>
    <name>DOUBLE UNSIGNED</name>
    <name>DOUBLE UNSIGNED PRECISION</name>
  </predefinedDataTypeDefinitions>
  <predefinedDataTypeDefinitions xmi:id="FLOAT_UNSIGNED"
keyConstraintSupported="true" primitiveType="FLOAT" jdbcEnumType="6"
javaClassName="float">
    <defaultValueTypes>NULL</defaultValueTypes>
    <name>FLOAT UNSIGNED</name>
  </predefinedDataTypeDefinitions>
  <predefinedDataTypeDefinitions xmi:id="DECIMAL_UNSIGNED"
scaleSupported="true" precisionSupported="true" maximumPrecision="64"
keyConstraintSupported="true" primitiveType="DECIMAL" jdbcEnumType="3"
javaClassName="java.math.BigDecimal">
    <defaultValueTypes>NULL</defaultValueTypes>
    <name>DECIMAL UNSIGNED</name>
    <name>DEC UNSIGNED</name>
  </predefinedDataTypeDefinitions>
    <predefinedDataTypeDefinitions xmi:id="SMALLINT_2" keyConstraintSupported="true" maximumValue="127" minimumValue="-128" primitiveType="SMALLINT" jdbcEnumType="-6" javaClassName="byte">
    <defaultValueTypes>NULL</defaultValueTypes>
    <name>TINYINT</name>
  </predefinedDataTypeDefinitions>
  <predefinedDataTypeDefinitions xmi:id="SMALLINT_1" keyConstraintSupported="true" maximumValue="32767" minimumValue="-32768" primitiveType="SMALLINT" jdbcEnumType="5" javaClassName="short">
    <defaultValueTypes>NULL</defaultValueTypes>
    <name>SMALLINT</name>
  </predefinedDataTypeDefinitions>
  <predefinedDataTypeDefinitions xmi:id="INTEGER_2" keyConstraintSupported="true" maximumValue="8388607" minimumValue="-8388608" primitiveType="INTEGER" jdbcEnumType="4" javaClassName="int">
    <defaultValueTypes>NULL</defaultValueTypes>
    <name>MEDIUMINT</name>
  </predefinedDataTypeDefinitions>
  <predefinedDataTypeDefinitions xmi:id="INTEGER_1" keyConstraintSupported="true" identitySupported="true" maximumValue="2147483647" minimumValue="-2147483648" primitiveType="INTEGER" jdbcEnumType="4" javaClassName="int">
    <defaultValueTypes>NULL</defaultValueTypes>
    <name>INT</name>
    <name>INTEGER</name>
  </predefinedDataTypeDefinitions>
  <predefinedDataTypeDefinitions xmi:id="BIGINT_1" keyConstraintSupported="true" identitySupported="true" primitiveType="BIGINT" jdbcEnumType="-5" javaClassName="java.math.BigInteger">
    <defaultValueTypes>NULL</defaultValueTypes>
    <name>BIGINT</name>
  </predefinedDataTypeDefinitions>
  <predefinedDataTypeDefinitions xmi:id="REAL_1" keyConstraintSupported="true" primitiveType="REAL" jdbcEnumType="7" javaClassName="float">
    <defaultValueTypes>NULL</defaultValueTypes>
    <name>REAL</name>
  </predefinedDataTypeDefinitions>
  <predefinedDataTypeDefinitions xmi:id="DOUBLE_PRECISION_1" keyConstraintSupported="true" primitiveType="DOUBLE_PRECISION" jdbcEnumType="8" javaClassName="double">
    <defaultValueTypes>NULL</defaultValueTypes>
    <name>DOUBLE</name>
    <name>DOUBLE PRECISION</name>
  </predefinedDataTypeDefinitions>
  <predefinedDataTypeDefinitions xmi:id="FLOAT_1" keyConstraintSupported="true" primitiveType="FLOAT" jdbcEnumType="6" javaClassName="float">
    <defaultValueTypes>NULL</defaultValueTypes>
    <name>FLOAT</name>
  </predefinedDataTypeDefinitions>
  <predefinedDataTypeDefinitions xmi:id="DECIMAL_1" scaleSupported="true" precisionSupported="true" maximumPrecision="64" keyConstraintSupported="true" primitiveType="DECIMAL" jdbcEnumType="3" javaClassName="java.math.BigDecimal">
    <defaultValueTypes>NULL</defaultValueTypes>
    <name>DECIMAL</name>
    <name>DEC</name>
  </predefinedDataTypeDefinitions>
  <predefinedDataTypeDefinitions xmi:id="NUMERIC_1" scaleSupported="true" precisionSupported="true" maximumPrecision="64" keyConstraintSupported="true" primitiveType="NUMERIC" jdbcEnumType="2" javaClassName="java.math.BigDecimal">
    <defaultValueTypes>NULL</defaultValueTypes>
    <name>NUMERIC</name>
  </predefinedDataTypeDefinitions>
  <predefinedDataTypeDefinitions xmi:id="DATE_1" keyConstraintSupported="true" primitiveType="DATE" jdbcEnumType="91" javaClassName="java.sql.Date">
    <defaultValueTypes>NULL</defaultValueTypes>
    <name>DATE</name>
  </predefinedDataTypeDefinitions>
  <predefinedDataTypeDefinitions xmi:id="TIME_1" keyConstraintSupported="true" primitiveType="TIME" jdbcEnumType="92" javaClassName="java.sql.Time">
    <defaultValueTypes>NULL</defaultValueTypes>
    <name>TIME</name>
  </predefinedDataTypeDefinitions>
  <predefinedDataTypeDefinitions xmi:id="TIMESTAMP_1" keyConstraintSupported="true" primitiveType="TIMESTAMP" jdbcEnumType="93" javaClassName="java.sql.Timestamp">
    <defaultValueTypes>NULL</defaultValueTypes>
    <name>TIMESTAMP</name>
  </predefinedDataTypeDefinitions>
  <predefinedDataTypeDefinitions xmi:id="TIMESTAMP_2" keyConstraintSupported="true" primitiveType="TIMESTAMP" jdbcEnumType="93" javaClassName="java.util.Date">
    <defaultValueTypes>NULL</defaultValueTypes>
    <name>DATETIME</name>
  </predefinedDataTypeDefinitions>
  <predefinedDataTypeDefinitions xmi:id="CHARACTER_1" lengthSupported="true" keyConstraintSupported="true" maximumLength="255" jdbcEnumType="1" javaClassName="java.lang.String">
    <defaultValueTypes>NULL</defaultValueTypes>
    <defaultValueTypes>CURRENT_USER</defaultValueTypes>
    <name>CHAR</name>
  </predefinedDataTypeDefinitions>
  <predefinedDataTypeDefinitions xmi:id="CHARACTER_VARYING_1" lengthSupported="true" keyConstraintSupported="true" maximumLength="255" primitiveType="CHARACTER_VARYING" jdbcEnumType="12" javaClassName="java.lang.String">
    <defaultValueTypes>NULL</defaultValueTypes>
    <defaultValueTypes>CURRENT_USER</defaultValueTypes>
    <name>VARCHAR</name>
  </predefinedDataTypeDefinitions>
  <predefinedDataTypeDefinitions xmi:id="BINARY_LARGE_OBJECT_1" defaultSupported="false" maximumLength="256" primitiveType="BINARY_LARGE_OBJECT" jdbcEnumType="2004" javaClassName="java.sql.Blob">
    <defaultValueTypes>NULL</defaultValueTypes>
    <name>TINYBLOB</name>
  </predefinedDataTypeDefinitions>
  <predefinedDataTypeDefinitions xmi:id="BINARY_LARGE_OBJECT_2" defaultSupported="false" maximumLength="65536" primitiveType="BINARY_LARGE_OBJECT" jdbcEnumType="2004" javaClassName="java.sql.Blob">
    <defaultValueTypes>NULL</defaultValueTypes>
    <name>BLOB</name>
  </predefinedDataTypeDefinitions>
  <predefinedDataTypeDefinitions xmi:id="BINARY_LARGE_OBJECT_3" defaultSupported="false" maximumLength="16777216" primitiveType="BINARY_LARGE_OBJECT" jdbcEnumType="2004" javaClassName="java.sql.Blob">
    <defaultValueTypes>NULL</defaultValueTypes>
    <name>MEDIUMBLOB</name>
  </predefinedDataTypeDefinitions>
  <predefinedDataTypeDefinitions xmi:id="BINARY_LARGE_OBJECT_4" defaultSupported="false" primitiveType="BINARY_LARGE_OBJECT" jdbcEnumType="2004" javaClassName="java.sql.Blob">
    <defaultValueTypes>NULL</defaultValueTypes>
    <name>LONGBLOB</name>
  </predefinedDataTypeDefinitions>
  <predefinedDataTypeDefinitions xmi:id="CHARACTER_LARGE_OBJECT_1" keyConstraintSupported="true" defaultSupported="false" maximumLength="256" primitiveType="CHARACTER_LARGE_OBJECT" jdbcEnumType="2005" javaClassName="java.lang.String">
    <defaultValueTypes>NULL</defaultValueTypes>
    <name>TINYTEXT</name>
  </predefinedDataTypeDefinitions>
  <predefinedDataTypeDefinitions xmi:id="CHARACTER_LARGE_OBJECT_2" keyConstraintSupported="true" defaultSupported="false" maximumLength="65536" primitiveType="CHARACTER_LARGE_OBJECT" jdbcEnumType="2005" javaClassName="java.lang.String">
    <defaultValueTypes>NULL</defaultValueTypes>
    <name>TEXT</name>
  </predefinedDataTypeDefinitions>
  <predefinedDataTypeDefinitions xmi:id="CHARACTER_LARGE_OBJECT_3" keyConstraintSupported="true" defaultSupported="false" maximumLength="16777216" primitiveType="CHARACTER_LARGE_OBJECT" jdbcEnumType="2005" javaClassName="java.lang.String">
    <defaultValueTypes>NULL</defaultValueTypes>
    <name>MEDIUMTEXT</name>
  </predefinedDataTypeDefinitions>
  <predefinedDataTypeDefinitions xmi:id="CHARACTER_LARGE_OBJECT_4" keyConstraintSupported="true" defaultSupported="false" primitiveType="CHARACTER_LARGE_OBJECT" jdbcEnumType="2005" javaClassName="java.lang.String">
    <defaultValueTypes>NULL</defaultValueTypes>
    <name>LONGTEXT</name>
  </predefinedDataTypeDefinitions>
  <predefinedDataTypeDefinitions xmi:id="ENUM" keyConstraintSupported="false" primitiveType="CHARACTER_VARYING" jdbcEnumType="12" javaClassName="java.lang.String">
    <defaultValueTypes>NULL</defaultValueTypes>
    <name>ENUM</name>
  </predefinedDataTypeDefinitions>
  <predefinedDataTypeDefinitions xmi:id="DATE_2" keyConstraintSupported="true" primitiveType="DATE" jdbcEnumType="91" javaClassName="java.sql.Date">
    <defaultValueTypes>NULL</defaultValueTypes>
    <name>YEAR</name>
  </predefinedDataTypeDefinitions>
  <predefinedDataTypeDefinitions xmi:id="BINARY_1" lengthSupported="true" keyConstraintSupported="true" maximumLength="255" lengthUnit="BYTE" primitiveType="BINARY" jdbcEnumType="-2" javaClassName="byte[]">
    <defaultValueTypes>NULL</defaultValueTypes>
    <name>BINARY</name>
  </predefinedDataTypeDefinitions>
  <predefinedDataTypeDefinitions xmi:id="BINARY_VARYING_1" lengthSupported="true" keyConstraintSupported="true" maximumLength="255" primitiveType="BINARY_VARYING" lengthUnit="BYTE" jdbcEnumType="-3" javaClassName="byte[]">
    <defaultValueTypes>NULL</defaultValueTypes>
    <name>VARBINARY</name>
  </predefinedDataTypeDefinitions>
  <storedProcedureDefinition/>
  <triggerDefinition/>
  <columnDefinition maximumIdentifierLength="64" identitySupported="true" identityIncrementSupported="true"/>
  <constraintDefinition clusteredPrimaryKeySupported="true" clusteredUniqueConstraintSupported="true" primaryKeyNullable="true" uniqueKeyNullable="true">
    <parentUpdateDRIRuleType>RESTRICT</parentUpdateDRIRuleType>
    <parentUpdateDRIRuleType>CASCADE</parentUpdateDRIRuleType>
    <parentUpdateDRIRuleType>SET_NULL</parentUpdateDRIRuleType>
    <parentUpdateDRIRuleType>NO_ACTION</parentUpdateDRIRuleType>
    <parentDeleteDRIRuleType>RESTRICT</parentDeleteDRIRuleType>
    <parentDeleteDRIRuleType>CASCADE</parentDeleteDRIRuleType>
    <parentDeleteDRIRuleType>SET_NULL</parentDeleteDRIRuleType>
    <parentDeleteDRIRuleType>NO_ACTION</parentDeleteDRIRuleType>
  </constraintDefinition>
  <indexDefinition maximumIdentifierLength="64"/>
  <tableDefinition maximumIdentifierLength="64"/>
  <udtDefinition/>
  <queryDefinition identifierQuoteString="`" hostVariableMarker="@" hostVariableMarkerSupported="true"/>
  <viewDefinition maximumIdentifierLength="64" checkOptionLevelsSupported="true"/>
  <SQLSyntaxDefinition>
    <keywords>ACCESSIBLE</keywords>
    <keywords>ADD</keywords>
    <keywords>ALGORITHM</keywords>
    <keywords>ALL</keywords>
    <keywords>ALTER</keywords>
    <keywords>ANALYZE</keywords>
    <keywords>AND</keywords>
    <keywords>AS</keywords>
    <keywords>ASC</keywords>
    <keywords>ASENSITIVE</keywords>
    <keywords>BEFORE</keywords>
    <keywords>BETWEEN</keywords>
    <keywords>BIGINT</keywords>
    <keywords>BINARY</keywords>
    <keywords>BLOB</keywords>
    <keywords>BOTH</keywords>
    <keywords>BY</keywords>
    <keywords>CALL</keywords>
    <keywords>CASCADE</keywords>
    <keywords>CASE</keywords>
    <keywords>CHANGE</keywords>
    <keywords>CHAR</keywords>
    <keywords>CHARACTER</keywords>
    <keywords>CHECK</keywords>
    <keywords>CHECKSUM</keywords>
    <keywords>COLLATE</keywords>
    <keywords>COLUMN</keywords>
    <keywords>COMMENT</keywords>
    <keywords>CONDITION</keywords>
    <keywords>CONNECTION</keywords>
    <keywords>CONSTRAINT</keywords>
    <keywords>CONTINUE</keywords>
    <keywords>CONVERT</keywords>
    <keywords>CREATE</keywords>
    <keywords>CROSS</keywords>
    <keywords>CURRENT_DATE</keywords>
    <keywords>CURRENT_TIME</keywords>
    <keywords>CURRENT_TIMESTAMP</keywords>
    <keywords>CURRENT_USER</keywords>
    <keywords>CURSOR</keywords>
    <keywords>DATABASE</keywords>
    <keywords>DATABASES</keywords>
    <keywords>DAY_HOUR</keywords>
    <keywords>DAY_MICROSECOND</keywords>
    <keywords>DAY_MINUTE</keywords>
    <keywords>DAY_SECOND</keywords>
    <keywords>DEC</keywords>
    <keywords>DECIMAL</keywords>
    <keywords>DECLARE</keywords>
    <keywords>DEFAULT</keywords>
    <keywords>DEFINER</keywords>
    <keywords>DELAYED</keywords>
    <keywords>DELETE</keywords>
    <keywords>DESC</keywords>
    <keywords>DESCRIBE</keywords>
    <keywords>DETERMINISTIC</keywords>
    <keywords>DISTINCT</keywords>
    <keywords>DISTINCTROW</keywords>
    <keywords>DIV</keywords>
    <keywords>DOUBLE</keywords>
    <keywords>DROP</keywords>
    <keywords>DUAL</keywords>
    <keywords>EACH</keywords>
    <keywords>ELSE</keywords>
    <keywords>ELSEIF</keywords>
    <keywords>ENCLOSED</keywords>
    <keywords>ESCAPED</keywords>
    <keywords>EXISTS</keywords>
    <keywords>EXIT</keywords>
    <keywords>EXPLAIN</keywords>
    <keywords>FALSE</keywords>
    <keywords>FETCH</keywords>
    <keywords>FLOAT</keywords>
    <keywords>FLOAT4</keywords>
    <keywords>FLOAT8</keywords>
    <keywords>FOR</keywords>
    <keywords>FORCE</keywords>
    <keywords>FOREIGN</keywords>
    <keywords>FROM</keywords>
    <keywords>FULLTEXT</keywords>
    <keywords>GOTO</keywords>
    <keywords>GRANT</keywords>
    <keywords>GROUP</keywords>
    <keywords>HAVING</keywords>
    <keywords>HIGH_PRIORITY</keywords>
    <keywords>HOUR_MICROSECOND</keywords>
    <keywords>HOUR_MINUTE</keywords>
    <keywords>HOUR_SECOND</keywords>
    <keywords>IF</keywords>
    <keywords>IGNORE</keywords>
    <keywords>IN</keywords>
    <keywords>INDEX</keywords>
    <keywords>INFILE</keywords>
    <keywords>INNER</keywords>
    <keywords>INOUT</keywords>
    <keywords>INSENSITIVE</keywords>
    <keywords>INSERT</keywords>
    <keywords>INT</keywords>
    <keywords>INT1</keywords>
    <keywords>INT2</keywords>
    <keywords>INT3</keywords>
    <keywords>INT4</keywords>
    <keywords>INT8</keywords>
    <keywords>INTEGER</keywords>
    <keywords>INTERVAL</keywords>
    <keywords>INTO</keywords>
    <keywords>INVOKER</keywords>
    <keywords>IS</keywords>
    <keywords>ITERATE</keywords>
    <keywords>JOIN</keywords>
    <keywords>KEY_BLOCK_SIZE</keywords>
    <keywords>KEY</keywords>
    <keywords>KEYS</keywords>
    <keywords>KILL</keywords>
    <keywords>LABEL</keywords>
    <keywords>LEADING</keywords>
    <keywords>LEAVE</keywords>
    <keywords>LEFT</keywords>
    <keywords>LIKE</keywords>
    <keywords>LIMIT</keywords>
    <keywords>LINEAR</keywords>
    <keywords>LINES</keywords>
    <keywords>LOAD</keywords>
    <keywords>LOCALTIME</keywords>
    <keywords>LOCALTIMESTAMP</keywords>
    <keywords>LOCK</keywords>
    <keywords>LONG</keywords>
    <keywords>LONGBLOB</keywords>
    <keywords>LONGTEXT</keywords>
    <keywords>LOOP</keywords>
    <keywords>LOW_PRIORITY</keywords>
    <keywords>MASTER_SSL_VERIFY_SERVER_CERT</keywords>
    <keywords>MATCH</keywords>
    <keywords>MAX_ROWS</keywords>
    <keywords>MEDIUMBLOB</keywords>
    <keywords>MEDIUMINT</keywords>
    <keywords>MEDIUMTEXT</keywords>
    <keywords>MERGE</keywords>
    <keywords>MIDDLEINT</keywords>
    <keywords>MIN_ROWS</keywords>
    <keywords>MINUTE_MICROSECOND</keywords>
    <keywords>MINUTE_SECOND</keywords>
    <keywords>MOD</keywords>
    <keywords>MODIFIES</keywords>
    <keywords>NATURAL</keywords>
    <keywords>NO_WRITE_TO_BINLOG</keywords>
    <keywords>NOT</keywords>
    <keywords>NULL</keywords>
    <keywords>NUMERIC</keywords>
    <keywords>ON</keywords>
    <keywords>OPTIMIZE</keywords>
    <keywords>OPTION</keywords>
    <keywords>OPTIONALLY</keywords>
    <keywords>OR</keywords>
    <keywords>ORDER</keywords>
    <keywords>OUT</keywords>
    <keywords>OUTER</keywords>
    <keywords>OUTFILE</keywords>
    <keywords>PRECISION</keywords>
    <keywords>PRIMARY</keywords>
    <keywords>PROCEDURE</keywords>
    <keywords>PURGE</keywords>
    <keywords>RANGE</keywords>
    <keywords>READ</keywords>
    <keywords>READ_ONLY</keywords>
    <keywords>READ_WRITE</keywords>
    <keywords>READ</keywords>
    <keywords>READS</keywords>
    <keywords>REAL</keywords>
    <keywords>REFERENCES</keywords>
    <keywords>REGEXP</keywords>
    <keywords>RELEASE</keywords>
    <keywords>RENAME</keywords>
    <keywords>REPEAT</keywords>
    <keywords>REPLACE</keywords>
    <keywords>REQUIRE</keywords>
    <keywords>RESTRICT</keywords>
    <keywords>RETURN</keywords>
    <keywords>REVOKE</keywords>
    <keywords>RIGHT</keywords>
    <keywords>RLIKE</keywords>
    <keywords>ROW_FORMAT</keywords>
    <keywords>SCHEMA</keywords>
    <keywords>SCHEMAS</keywords>
    <keywords>SECOND_MICROSECOND</keywords>
    <keywords>SELECT</keywords>
    <keywords>SENSITIVE</keywords>
    <keywords>SEPARATOR</keywords>
    <keywords>SET</keywords>
    <keywords>SHOW</keywords>
    <keywords>SMALLINT</keywords>
    <keywords>SONAME</keywords>
    <keywords>SPATIAL</keywords>
    <keywords>SPECIFIC</keywords>
    <keywords>SQL</keywords>
    <keywords>SQL_BIG_RESULT</keywords>
    <keywords>SQL_CALC_FOUND_ROWS</keywords>
    <keywords>SQL_SECURITY</keywords>
    <keywords>SQL_SMALL_RESULT</keywords>
    <keywords>SQL</keywords>
    <keywords>SQLEXCEPTION</keywords>
    <keywords>SQLSTATE</keywords>
    <keywords>SQLWARNING</keywords>
    <keywords>SSL</keywords>
    <keywords>STARTING</keywords>
    <keywords>STRAIGHT_JOIN</keywords>
    <keywords>TABLE</keywords>
    <keywords>TEMPTABLE</keywords>
    <keywords>TERMINATED</keywords>
    <keywords>THEN</keywords>
    <keywords>TINYBLOB</keywords>
    <keywords>TINYINT</keywords>
    <keywords>TINYTEXT</keywords>
    <keywords>TO</keywords>
    <keywords>TRAILING</keywords>
    <keywords>TRIGGER</keywords>
    <keywords>TRUE</keywords>
    <keywords>UNDEFINED</keywords>
    <keywords>UNDO</keywords>
    <keywords>UNION</keywords>
    <keywords>UNIQUE</keywords>
    <keywords>UNLOCK</keywords>
    <keywords>UNSIGNED</keywords>
    <keywords>UPDATE</keywords>
    <keywords>UPGRADE</keywords>
    <keywords>USAGE</keywords>
    <keywords>USE</keywords>
    <keywords>USING</keywords>
    <keywords>UTC_DATE</keywords>
    <keywords>UTC_TIME</keywords>
    <keywords>UTC_TIMESTAMP</keywords>
    <keywords>VALUES</keywords>
    <keywords>VARBINARY</keywords>
    <keywords>VARCHAR</keywords>
    <keywords>VARCHARACTER</keywords>
    <keywords>VARYING</keywords>
    <keywords>WHEN</keywords>
    <keywords>WHERE</keywords>
    <keywords>WHILE</keywords>
    <keywords>WITH</keywords>
    <keywords>WRITE</keywords>
    <keywords>XOR</keywords>
    <keywords>YEAR_MONTH</keywords>
    <keywords>ZEROFILL</keywords>
    <operators>:=</operators>
    <operators>||</operators>
    <operators>OR</operators>
    <operators>XOR</operators>
    <operators>&amp;&amp;</operators>
    <operators>AND</operators>
    <operators>NOT</operators>
    <operators>BETWEEN</operators>
    <operators>CASE</operators>
    <operators>WHEN</operators>
    <operators>THEN</operators>
    <operators>ELSE</operators>
    <operators>=</operators>
    <operators>&lt;=></operators>
    <operators>>=</operators>
    <operators>></operators>
    <operators>&lt;=</operators>
    <operators>&lt;</operators>
    <operators>&lt;></operators>
    <operators>!=</operators>
    <operators>IS</operators>
    <operators>LIKE</operators>
    <operators>REGEXP</operators>
    <operators>IN</operators>
    <operators>|</operators>
    <operators>&amp;</operators>
    <operators>&lt;&lt;</operators>
    <operators>>></operators>
    <operators>-</operators>
    <operators>+</operators>
    <operators>*</operators>
    <operators>/</operators>
    <operators>DIV</operators>
    <operators>%</operators>
    <operators>MOD</operators>
    <operators>^</operators>
    <operators>~</operators>
    <operators>!</operators>
    <operators>BINARY</operators>
    <operators>COLLATE</operators>
  </SQLSyntaxDefinition>
</DBDefinition:DatabaseVendorDefinition>

My SQL:

CREATE DATABASE  IF NOT EXISTS `mydb` /*!40100 DEFAULT CHARACTER SET latin1 */;
USE `mydb`;
-- MySQL dump 10.13  Distrib 5.5.16, for Win32 (x86)
--
-- Host: localhost    Database: mydb
-- ------------------------------------------------------
-- Server version   5.5.28

/*!40101 SET @OLD_CHARACTER_SET_CLIENT=@@CHARACTER_SET_CLIENT */;
/*!40101 SET @OLD_CHARACTER_SET_RESULTS=@@CHARACTER_SET_RESULTS */;
/*!40101 SET @OLD_COLLATION_CONNECTION=@@COLLATION_CONNECTION */;
/*!40101 SET NAMES utf8 */;
/*!40103 SET @OLD_TIME_ZONE=@@TIME_ZONE */;
/*!40103 SET TIME_ZONE='+00:00' */;
/*!40014 SET @OLD_UNIQUE_CHECKS=@@UNIQUE_CHECKS, UNIQUE_CHECKS=0 */;
/*!40014 SET @OLD_FOREIGN_KEY_CHECKS=@@FOREIGN_KEY_CHECKS, FOREIGN_KEY_CHECKS=0 */;
/*!40101 SET @OLD_SQL_MODE=@@SQL_MODE, SQL_MODE='NO_AUTO_VALUE_ON_ZERO' */;
/*!40111 SET @OLD_SQL_NOTES=@@SQL_NOTES, SQL_NOTES=0 */;

--
-- Table structure for table `flour`
--

DROP TABLE IF EXISTS `flour`;
/*!40101 SET @saved_cs_client     = @@character_set_client */;
/*!40101 SET character_set_client = utf8 */;
CREATE TABLE `flour` (
  `id` int(11) NOT NULL AUTO_INCREMENT,
  `name` text,
  `grain_size` int(11) DEFAULT NULL,
  PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1;
/*!40101 SET character_set_client = @saved_cs_client */;

--
-- Dumping data for table `flour`
--

LOCK TABLES `flour` WRITE;
/*!40000 ALTER TABLE `flour` DISABLE KEYS */;
/*!40000 ALTER TABLE `flour` ENABLE KEYS */;
UNLOCK TABLES;

--
-- Table structure for table `bread`
--

DROP TABLE IF EXISTS `bread`;
/*!40101 SET @saved_cs_client     = @@character_set_client */;
/*!40101 SET character_set_client = utf8 */;
CREATE TABLE `bread` (
  `name` text,
  `id` int(11) NOT NULL AUTO_INCREMENT,
  `flour_id` int(11) NOT NULL,
  PRIMARY KEY (`id`),
  KEY `fk_bread_flour_idx` (`flour_id`),
  CONSTRAINT `fk_bread_flour` FOREIGN KEY (`flour_id`) REFERENCES `flour` (`id`) ON DELETE NO ACTION ON UPDATE NO ACTION
) ENGINE=InnoDB DEFAULT CHARSET=latin1;
/*!40101 SET character_set_client = @saved_cs_client */;

--
-- Dumping data for table `bread`
--

LOCK TABLES `bread` WRITE;
/*!40000 ALTER TABLE `bread` DISABLE KEYS */;
/*!40000 ALTER TABLE `bread` ENABLE KEYS */;
UNLOCK TABLES;
/*!40103 SET TIME_ZONE=@OLD_TIME_ZONE */;

/*!40101 SET SQL_MODE=@OLD_SQL_MODE */;
/*!40014 SET FOREIGN_KEY_CHECKS=@OLD_FOREIGN_KEY_CHECKS */;
/*!40014 SET UNIQUE_CHECKS=@OLD_UNIQUE_CHECKS */;
/*!40101 SET CHARACTER_SET_CLIENT=@OLD_CHARACTER_SET_CLIENT */;
/*!40101 SET CHARACTER_SET_RESULTS=@OLD_CHARACTER_SET_RESULTS */;
/*!40101 SET COLLATION_CONNECTION=@OLD_COLLATION_CONNECTION */;
/*!40111 SET SQL_NOTES=@OLD_SQL_NOTES */;

-- Dump completed on 2012-11-13  8:53:50

回答1:

Dali (the part of Eclipse that generates JPA entities) uses DTP (another part of Eclipse) to determine the Java attribute type for a particular data type. These mappings are database platform-specific and are specified in .xmi files in various DTP plug-ins.

For example, in Juno, for PostgreSQL, the data type ABSTIME is mapped to the Java type java.lang.Object in the file /runtime/vendors/postgresql/postgresql_8.x.xmi in the plug-in jar ./plugins/org.eclipse.datatools.enablement.postgresql.dbdefinition_1.0.2.v201110070445.jar.

Depending on your database platform and what other plug-ins you have installed, these settings could have changed between Indigo and Juno. You can extract the appropriate .xmi file, edit it, and return it to its jar and this should alter how entities are generated.



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