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OPENJPA-271, add DB2 JDBC driver 2 support 

- datePrecision set to MICRO, (Timesptamp in micro-second in DB2)
- save version strategy in Column (needed for specialized TimestampVersionStrategy)
- set storeCharsAsNumbers to false (DB2 default - store chars as chars)

git-svn-id: https://svn.apache.org/repos/asf/openjpa/trunk@552078 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
David J. Wisneski 2007-06-30 02:33:35 +00:00
parent 5c4a8c7e73
commit 9975362f1f
4 changed files with 161 additions and 75 deletions
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1
openjpa-jdbc/src/main/java/org/apache/openjpa/jdbc/meta/strats/ColumnVersionStrategy.java
View File

@ -101,6 +101,7 @@ public abstract class ColumnVersionStrategy
tmplate.setName("versn");
Column[] cols = info.getColumns(vers, new Column[]{ tmplate }, adapt);
cols[0].setVersionStrategy(this);
vers.setColumns(cols);
vers.setColumnIO(info.getColumnIO());

12
openjpa-jdbc/src/main/java/org/apache/openjpa/jdbc/schema/Column.java
View File

@ -28,6 +28,7 @@ import java.sql.Types;
import org.apache.commons.lang.StringUtils;
import org.apache.openjpa.jdbc.meta.JavaSQLTypes;
import org.apache.openjpa.jdbc.meta.VersionStrategy;
import org.apache.openjpa.meta.JavaTypes;
import serp.util.Numbers;
@ -70,7 +71,8 @@ public class Column
private int _index = 0;
private boolean _pk = false;
private VersionStrategy _versionStrategy = null;
/**
* Default constructor.
*/
@ -715,4 +717,12 @@ public class Column
public boolean isXML() {
return _typeName != null && _typeName.startsWith("XML");
}
public VersionStrategy getVersionStrategy() {
return _versionStrategy;
}
public void setVersionStrategy(VersionStrategy strategy) {
this._versionStrategy = strategy;
}
}

221
openjpa-jdbc/src/main/java/org/apache/openjpa/jdbc/sql/DB2Dictionary.java
View File

@ -26,22 +26,26 @@ import java.util.Arrays;
import java.util.StringTokenizer;
import org.apache.openjpa.jdbc.kernel.JDBCFetchConfiguration;
import org.apache.openjpa.jdbc.schema.Sequence;
import org.apache.openjpa.lib.util.Localizer;
import org.apache.openjpa.util.OpenJPAException;
import org.apache.openjpa.util.UnsupportedException;
/**
* Dictionary for IBM DB2 database.
*/
public class DB2Dictionary
extends AbstractDB2Dictionary {
private static final Localizer _loc = Localizer.forPackage
(DB2Dictionary.class);
public String optimizeClause = "optimize for";
public String rowClause = "row";
private int db2ServerType = 0;
private static final int db2ISeriesV5R3OrEarlier = 1;
private static final int db2UDBV81OrEarlier = 2;
private static final int db2ZOSV8xOrLater = 3;
private static final int db2UDBV82OrLater = 4;
private static final int db2ISeriesV5R4OrLater = 5;
protected int db2ServerType = 0;
protected static final int db2ISeriesV5R3OrEarlier = 1;
protected static final int db2UDBV81OrEarlier = 2;
protected static final int db2ZOSV8xOrLater = 3;
protected static final int db2UDBV82OrLater = 4;
protected static final int db2ISeriesV5R4OrLater = 5;
private static final String forUpdateOfClause = "FOR UPDATE OF";
private static final String withRSClause = "WITH RS";
private static final String withRRClause = "WITH RR";
@ -50,6 +54,10 @@ public class DB2Dictionary
private static final String useKeepExclusiveLockClause
= "USE AND KEEP EXCLUSIVE LOCKS";
private static final String forReadOnlyClause = "FOR READ ONLY";
protected String databaseProductName = null;
protected String databaseProductVersion = null;
protected int maj = 0;
protected int min = 0;
public DB2Dictionary() {
platform = "DB2";
@ -70,6 +78,8 @@ public class DB2Dictionary
varbinaryTypeName = "BLOB(1M)";
clobTypeName = "CLOB(1M)";
longVarcharTypeName = "LONG VARCHAR";
datePrecision = MICRO;
storeCharsAsNumbers = false;
fixedSizeTypeNameSet.addAll(Arrays.asList(new String[]{
"LONG VARCHAR FOR BIT DATA", "LONG VARCHAR", "LONG VARGRAPHIC",
@ -186,48 +196,78 @@ public class DB2Dictionary
super.connectedConfiguration(conn);
DatabaseMetaData metaData = conn.getMetaData();
if (isJDBC3(metaData)) {
int maj = metaData.getDatabaseMajorVersion();
int min = metaData.getDatabaseMinorVersion();
databaseProductName = metaData.getDatabaseProductName();
databaseProductVersion = metaData.getDatabaseProductVersion();
// Determine the type of DB2 database
// First check for AS/400
getProductVersionMajorMinorForISeries();
// Determine the type of DB2 database
if (isDB2ISeriesV5R3OrEarlier(metaData))
db2ServerType = db2ISeriesV5R3OrEarlier;
else if (isDB2UDBV81OrEarlier(metaData,maj,min))
db2ServerType = db2UDBV81OrEarlier;
else if (isDB2ZOSV8xOrLater(metaData,maj))
db2ServerType = db2ZOSV8xOrLater;
else if (isDB2UDBV82OrLater(metaData,maj,min))
db2ServerType = db2UDBV82OrLater;
else if (isDB2ISeriesV5R4OrLater(metaData))
db2ServerType = db2ISeriesV5R4OrLater;
if (maj > 0) {
if (isDB2ISeriesV5R3OrEarlier())
db2ServerType = db2ISeriesV5R3OrEarlier;
else if (isDB2ISeriesV5R4OrLater())
db2ServerType = db2ISeriesV5R4OrLater;
}
if (db2ServerType == 0) {
if (isJDBC3(metaData)) {
maj = metaData.getDatabaseMajorVersion();
min = metaData.getDatabaseMinorVersion();
}
else
getProductVersionMajorMinor();
if (maj >= 9 || (maj == 8 && min >= 2)) {
supportsLockingWithMultipleTables = true;
supportsLockingWithInnerJoin = true;
supportsLockingWithOuterJoin = true;
forUpdateClause = "WITH RR USE AND KEEP UPDATE LOCKS";
if (maj >=9)
supportsXMLColumn = true;
}
// Determine the type of DB2 database for ZOS & UDB
if (isDB2UDBV81OrEarlier())
db2ServerType = db2UDBV81OrEarlier;
else if (isDB2ZOSV8xOrLater())
db2ServerType = db2ZOSV8xOrLater;
else if (isDB2UDBV82OrLater())
db2ServerType = db2UDBV82OrLater;
}
if (metaData.getDatabaseProductVersion().indexOf("DSN") != -1) {
// DB2 Z/OS
characterColumnSize = 255;
lastGeneratedKeyQuery = "SELECT IDENTITY_VAL_LOCAL() FROM "
+ "SYSIBM.SYSDUMMY1";
nextSequenceQuery = "SELECT NEXTVAL FOR {0} FROM "
+ "SYSIBM.SYSDUMMY1";
sequenceSQL = "SELECT SCHEMA AS SEQUENCE_SCHEMA, "
+ "NAME AS SEQUENCE_NAME FROM SYSIBM.SYSSEQUENCES";
sequenceSchemaSQL = "SCHEMA = ?";
sequenceNameSQL = "NAME = ?";
if (maj == 8) {
// DB2 Z/OS Version 8: no bigint support, hence map Java
// long to decimal
bigintTypeName = "DECIMAL(31,0)";
}
}
// verify that databae product is supported
if (db2ServerType == 0 || maj == 0)
throw new UnsupportedException(_loc.get("db-not-supported",
new Object[] {databaseProductName, databaseProductVersion }));
if (maj >= 9 || (maj == 8 && min >= 2)) {
supportsLockingWithMultipleTables = true;
supportsLockingWithInnerJoin = true;
supportsLockingWithOuterJoin = true;
forUpdateClause = "WITH RR USE AND KEEP UPDATE LOCKS";
if (maj >=9)
supportsXMLColumn = true;
}
// platform specific settings
switch (db2ServerType) {
case db2ZOSV8xOrLater:
// DB2 Z/OS
characterColumnSize = 255;
lastGeneratedKeyQuery = "SELECT IDENTITY_VAL_LOCAL() FROM "
+ "SYSIBM.SYSDUMMY1";
nextSequenceQuery = "SELECT NEXTVAL FOR {0} FROM "
+ "SYSIBM.SYSDUMMY1";
sequenceSQL = "SELECT SCHEMA AS SEQUENCE_SCHEMA, "
+ "NAME AS SEQUENCE_NAME FROM SYSIBM.SYSSEQUENCES";
sequenceSchemaSQL = "SCHEMA = ?";
sequenceNameSQL = "NAME = ?";
if (maj == 8)
// DB2 Z/OS Version 8: no bigint support, hence map Java
// long to decimal
bigintTypeName = "DECIMAL(31,0)";
break;
case db2ISeriesV5R3OrEarlier:
case db2ISeriesV5R4OrLater:
validationSQL = "SELECT DISTINCT(CURRENT TIMESTAMP) FROM "
+ "QSYS2.SYSTABLES";
sequenceSQL = "SELECT SEQUENCE_SCHEMA, "
+ "SEQUENCE_NAME FROM QSYS2.SYSSEQUENCES";
sequenceSchemaSQL = "SEQUENCE_SCHEMA = ?";
sequenceNameSQL = "SEQUENCE_NAME = ?";
break;
}
}
@ -291,68 +331,101 @@ public class DB2Dictionary
return forUpdateString.toString();
}
public boolean isDB2UDBV82OrLater(DatabaseMetaData metadata, int maj,
int min) throws SQLException {
public boolean isDB2UDBV82OrLater() throws SQLException {
boolean match = false;
if (metadata.getDatabaseProductVersion().indexOf("SQL") != -1
if ((databaseProductVersion.indexOf("SQL") != -1
|| databaseProductName.indexOf("DB2/") != -1)
&& ((maj == 8 && min >= 2) ||(maj >= 8)))
match = true;
return match;
}
public boolean isDB2ZOSV8xOrLater(DatabaseMetaData metadata, int maj)
public boolean isDB2ZOSV8xOrLater()
throws SQLException {
boolean match = false;
if (metadata.getDatabaseProductVersion().indexOf("DSN") != -1
if ((databaseProductVersion.indexOf("DSN") != -1
|| databaseProductName.indexOf("DB2/") == -1)
&& maj >= 8)
match = true;
return match;
}
public boolean isDB2ISeriesV5R3OrEarlier(DatabaseMetaData metadata)
public boolean isDB2ISeriesV5R3OrEarlier()
throws SQLException {
boolean match = false;
if (metadata.getDatabaseProductVersion().indexOf("AS") != -1
&& generateVersionNumber(metadata.getDatabaseProductVersion())
<= 530)
if (databaseProductName.indexOf("AS") != -1
&& maj == 5 && min <=3)
match = true;
return match;
}
public boolean isDB2ISeriesV5R4OrLater(DatabaseMetaData metadata)
public boolean isDB2ISeriesV5R4OrLater()
throws SQLException {
boolean match = false;
if (metadata.getDatabaseProductVersion().indexOf("AS") != -1
&& generateVersionNumber(metadata.getDatabaseProductVersion())
>= 540)
if (databaseProductName.indexOf("AS") != -1
&& maj >= 5 && min >=4)
match = true;
return match;
}
public boolean isDB2UDBV81OrEarlier(DatabaseMetaData metadata, int maj,
int min) throws SQLException {
public boolean isDB2UDBV81OrEarlier() throws SQLException {
boolean match = false;
if (metadata.getDatabaseProductVersion().indexOf("SQL") != -1 &&
if ((databaseProductVersion.indexOf("SQL") != -1
|| databaseProductName.indexOf("DB2/") != -1) &&
((maj == 8 && min <= 1)|| maj < 8))
match = true;
return match;
}
/** Get the version number for the ISeries
/** Get the version Major/Minor for the ISeries
*/
protected int generateVersionNumber(String versionString) {
String s = versionString.substring(versionString.indexOf('V'));
s = s.toUpperCase();
int i = -1;
StringTokenizer stringtokenizer = new StringTokenizer(s, "VRM", false);
if (stringtokenizer.countTokens() == 3)
{
String s1 = stringtokenizer.nextToken();
s1 = s1 + stringtokenizer.nextToken();
s1 = s1 + stringtokenizer.nextToken();
i = Integer.parseInt(s1);
private void getProductVersionMajorMinorForISeries() {
// ISeries DBProdName DB2 UDB for AS/400
// (Toolbox)DBProdVersion 05.04.0000 V5R4m0
// ISeries DB2 UDB for AS/400
// (Native) V5R4M0
if (databaseProductName.indexOf("AS") != -1) {
String s = databaseProductVersion.substring(databaseProductVersion
.indexOf('V'));
s = s.toUpperCase();
StringTokenizer stringtokenizer = new StringTokenizer(s, "VRM"
, false);
if (stringtokenizer.countTokens() == 3) {
String s1 = stringtokenizer.nextToken();
maj = Integer.parseInt(s1);
String s2 = stringtokenizer.nextToken();
min = Integer.parseInt(s2);
}
}
}
private void getProductVersionMajorMinor() {
// Incase JDBC driver version is lower than 3
// use following info to determine Major and Minor
// CLI vs JCC
// ZDBV8 DBProdName DB2 DB2
// DBProdVersion 08.01.0005 DSN08015
// ZDBV9 DB2 DB2
// 09.01.0005 DSN09015
// WinV9 DB2/NT DB2/NT
// 09.01.0000 SQL09010
// SolarisV9 DB2/SUN64
// SQL0901
// Linux DB2/LINUX DB2/LINUX
// 09.01.0000 SQL0901
if (databaseProductVersion.indexOf("09") != -1) {
maj = 9;
if (databaseProductVersion.indexOf("01") != -1) {
min = 1;
}
} else if (databaseProductVersion.indexOf("08") != -1) {
maj = 8;
min = 2;
if (databaseProductVersion.indexOf("01") != -1) {
min = 1;
}
}
return i;
}
public SQLBuffer toSelect(Select sel, boolean forUpdate,

2
openjpa-jdbc/src/main/java/org/apache/openjpa/jdbc/sql/DBDictionary.java
View File

@ -889,6 +889,8 @@ public class DBDictionary
setDate(stmnt, idx, new java.sql.Date(val.getTime()), null, col);
else if (col != null && col.getType() == Types.TIME)
setTime(stmnt, idx, new Time(val.getTime()), null, col);
else if (val instanceof Timestamp)
setTimestamp(stmnt, idx,(Timestamp)val, null, col);
else
setTimestamp(stmnt, idx, new Timestamp(val.getTime()), null, col);
}