package io.ebean.config.dbplatform.oracle;
import io.ebean.BackgroundExecutor;
import io.ebean.Platform;
import io.ebean.Query;
import io.ebean.config.dbplatform.BasicSqlAnsiLimiter;
import io.ebean.config.dbplatform.DatabasePlatform;
import io.ebean.config.dbplatform.DbPlatformType;
import io.ebean.config.dbplatform.DbType;
import io.ebean.config.dbplatform.IdType;
import io.ebean.config.dbplatform.PlatformIdGenerator;
import io.ebean.config.dbplatform.RownumSqlLimiter;
import io.ebean.dbmigration.ddlgeneration.platform.Oracle10Ddl;
import javax.sql.DataSource;
import java.sql.Types;
/**
* Oracle10 and greater specific platform.
*/
public class OraclePlatform extends DatabasePlatform {
public OraclePlatform() {
super();
this.platform = Platform.ORACLE;
this.maxTableNameLength = 30;
this.maxConstraintNameLength = 30;
this.dbEncrypt = new OracleDbEncrypt();
this.sqlLimiter = new RownumSqlLimiter();
this.basicSqlLimiter = new BasicSqlAnsiLimiter();
this.platformDdl = new Oracle10Ddl(this);
this.historySupport = new OracleDbHistorySupport();
// Not using getGeneratedKeys as instead we will
// batch load sequences which enables JDBC batch execution
dbIdentity.setSupportsGetGeneratedKeys(false);
dbIdentity.setIdType(IdType.SEQUENCE);
dbIdentity.setSupportsSequence(true);
this.treatEmptyStringsAsNull = true;
this.openQuote = "\"";
this.closeQuote = "\"";
booleanDbType = Types.INTEGER;
dbTypeMap.put(DbType.BOOLEAN, new DbPlatformType("number(1) default 0"));
dbTypeMap.put(DbType.INTEGER, new DbPlatformType("number", 10));
dbTypeMap.put(DbType.BIGINT, new DbPlatformType("number", 19));
dbTypeMap.put(DbType.REAL, new DbPlatformType("number", 19, 4));
dbTypeMap.put(DbType.DOUBLE, new DbPlatformType("number", 19, 4));
dbTypeMap.put(DbType.SMALLINT, new DbPlatformType("number", 5));
dbTypeMap.put(DbType.TINYINT, new DbPlatformType("number", 3));
dbTypeMap.put(DbType.DECIMAL, new DbPlatformType("number", 38));
dbTypeMap.put(DbType.VARCHAR, new DbPlatformType("varchar2", 255));
dbTypeMap.put(DbType.LONGVARBINARY, new DbPlatformType("blob"));
dbTypeMap.put(DbType.LONGVARCHAR, new DbPlatformType("clob"));
dbTypeMap.put(DbType.VARBINARY, new DbPlatformType("raw", 255));
dbTypeMap.put(DbType.BINARY, new DbPlatformType("raw", 255));
dbTypeMap.put(DbType.TIME, new DbPlatformType("timestamp"));
}
@Override
public PlatformIdGenerator createSequenceIdGenerator(BackgroundExecutor be, DataSource ds, String seqName, int batchSize) {
return new OracleSequenceIdGenerator(be, ds, seqName, batchSize);
}
@Override
protected String withForUpdate(String sql, Query.ForUpdate forUpdateMode) {
switch (forUpdateMode) {
case SKIPLOCKED:
return sql + " for update skip locked";
case NOWAIT:
return sql + " for update nowait";
default:
return sql + " for update";
}
}
}