/*! ******************************************************************************
*
* Pentaho Data Integration
*
* Copyright (C) 2002-2016 by Pentaho : http://www.pentaho.com
*
*******************************************************************************
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
******************************************************************************/
package org.pentaho.di.core.database;
import org.pentaho.di.core.Const;
import org.pentaho.di.core.row.ValueMetaInterface;
/**
* Contains SAP DB specific information through static final members
*
* @author Matt
* @since 30-06-2005
*/
public class SAPDBDatabaseMeta extends BaseDatabaseMeta implements DatabaseInterface {
@Override
public int[] getAccessTypeList() {
return new int[] {
DatabaseMeta.TYPE_ACCESS_NATIVE, DatabaseMeta.TYPE_ACCESS_ODBC, DatabaseMeta.TYPE_ACCESS_JNDI };
}
@Override
public int getDefaultDatabasePort() {
// if (getAccessType()==DatabaseMeta.TYPE_ACCESS_NATIVE) return 3050;
return -1;
}
/**
* @return Whether or not the database can use auto increment type of fields (pk)
*/
@Override
public boolean supportsAutoInc() {
return false;
}
@Override
public String getDriverClass() {
if ( getAccessType() == DatabaseMeta.TYPE_ACCESS_ODBC ) {
return "sun.jdbc.odbc.JdbcOdbcDriver";
} else {
return "com.sap.dbtech.jdbc.DriverSapDB";
}
}
@Override
public String getURL( String hostname, String port, String databaseName ) {
if ( getAccessType() == DatabaseMeta.TYPE_ACCESS_ODBC ) {
return "jdbc:odbc:" + databaseName;
} else {
return "jdbc:sapdb://" + hostname + "/" + databaseName;
}
}
/**
* @return true if the database supports bitmap indexes
*/
@Override
public boolean supportsBitmapIndex() {
return false;
}
/**
* @return true if the database supports synonyms
*/
@Override
public boolean supportsSynonyms() {
return false;
}
/**
* Generates the SQL statement to add a column to the specified table
*
* @param tablename
* The table to add
* @param v
* The column defined as a value
* @param tk
* the name of the technical key field
* @param use_autoinc
* whether or not this field uses auto increment
* @param pk
* the name of the primary key field
* @param semicolon
* whether or not to add a semi-colon behind the statement.
* @return the SQL statement to add a column to the specified table
*/
@Override
public String getAddColumnStatement( String tablename, ValueMetaInterface v, String tk, boolean use_autoinc,
String pk, boolean semicolon ) {
return "ALTER TABLE " + tablename + " ADD " + getFieldDefinition( v, tk, pk, use_autoinc, true, false );
}
/**
* Generates the SQL statement to modify a column in the specified table
*
* @param tablename
* The table to add
* @param v
* The column defined as a value
* @param tk
* the name of the technical key field
* @param use_autoinc
* whether or not this field uses auto increment
* @param pk
* the name of the primary key field
* @param semicolon
* whether or not to add a semi-colon behind the statement.
* @return the SQL statement to modify a column in the specified table
*/
@Override
public String getModifyColumnStatement( String tablename, ValueMetaInterface v, String tk, boolean use_autoinc,
String pk, boolean semicolon ) {
return "ALTER TABLE "
+ tablename + " ALTER COLUMN " + v.getName() + " TYPE "
+ getFieldDefinition( v, tk, pk, use_autoinc, false, false );
}
@Override
public String getFieldDefinition( ValueMetaInterface v, String tk, String pk, boolean use_autoinc,
boolean add_fieldname, boolean add_cr ) {
String retval = "";
String fieldname = v.getName();
int length = v.getLength();
int precision = v.getPrecision();
if ( add_fieldname ) {
if ( Const.indexOfString( fieldname, getReservedWords() ) >= 0 ) {
retval += getStartQuote() + fieldname + getEndQuote();
} else {
retval += fieldname + " ";
}
}
int type = v.getType();
switch ( type ) {
case ValueMetaInterface.TYPE_TIMESTAMP:
case ValueMetaInterface.TYPE_DATE:
retval += "TIMESTAMP";
break;
case ValueMetaInterface.TYPE_BOOLEAN:
retval += "CHAR(1)";
break;
case ValueMetaInterface.TYPE_NUMBER:
case ValueMetaInterface.TYPE_INTEGER:
case ValueMetaInterface.TYPE_BIGNUMBER:
if ( fieldname.equalsIgnoreCase( tk ) || // Technical key
fieldname.equalsIgnoreCase( pk ) // Primary key
) {
retval += "BIGINT NOT NULL PRIMARY KEY";
} else {
if ( length > 0 ) {
if ( precision > 0 || length > 18 ) {
retval += "DECIMAL(" + length;
if ( precision > 0 ) {
retval += ", " + precision;
}
retval += ")";
} else {
if ( length > 9 ) {
retval += "INT64";
} else {
if ( length < 5 ) {
retval += "SMALLINT";
} else {
retval += "INTEGER";
}
}
}
} else {
retval += "DOUBLE";
}
}
break;
case ValueMetaInterface.TYPE_STRING:
if ( length < 32720 ) {
retval += "VARCHAR";
if ( length > 0 ) {
retval += "(" + length + ")";
} else {
retval += "(8000)"; // Maybe use some default DB String length?
}
} else {
retval += "BLOB SUB_TYPE TEXT";
}
break;
default:
retval += " UNKNOWN";
break;
}
if ( add_cr ) {
retval += Const.CR;
}
return retval;
}
@Override
public String[] getReservedWords() {
return new String[] {
"ABS", "ABSOLUTE", "ACOS", "ADDDATE", "ADDTIME", "ALL", "ALPHA", "ALTER", "ANY", "ASCII", "ASIN", "ATAN",
"ATAN2", "AVG", "BINARY", "BIT", "BOOLEAN", "BYTE", "CASE", "CEIL", "CEILING", "CHAR", "CHARACTER",
"CHECK", "CHR", "COLUMN", "CONCAT", "CONSTRAINT", "COS", "COSH", "COT", "COUNT", "CROSS", "CURDATE",
"CURRENT", "CURTIME", "DATABASE", "DATE", "DATEDIFF", "DAY", "DAYNAME", "DAYOFMONTH", "DAYOFWEEK",
"DAYOFYEAR", "DEC", "DECIMAL", "DECODE", "DEFAULT", "DEGREES", "DELETE", "DIGITS", "DISTINCT", "DOUBLE",
"EXCEPT", "EXISTS", "EXP", "EXPAND", "FIRST", "FIXED", "FLOAT", "FLOOR", "FOR", "FROM", "FULL",
"GET_OBJECTNAME", "GET_SCHEMA", "GRAPHIC", "GREATEST", "GROUP", "HAVING", "HEX", "HEXTORAW", "HOUR",
"IFNULL", "IGNORE", "INDEX", "INITCAP", "INNER", "INSERT", "INT", "INTEGER", "INTERNAL", "INTERSECT",
"INTO", "JOIN", "KEY", "LAST", "LCASE", "LEAST", "LEFT", "LENGTH", "LFILL", "LIST", "LN", "LOCATE", "LOG",
"LOG10", "LONG", "LONGFILE", "LOWER", "LPAD", "LTRIM", "MAKEDATE", "MAKETIME", "MAPCHAR", "MAX", "MBCS",
"MICROSECOND", "MIN", "MINUTE", "MOD", "MONTH", "MONTHNAME", "NATURAL", "NCHAR", "NEXT", "NO", "NOROUND",
"NOT", "NOW", "NULL", "NUM", "NUMERIC", "OBJECT", "OF", "ON", "ORDER", "PACKED", "PI", "POWER", "PREV",
"PRIMARY", "RADIANS", "REAL", "REJECT", "RELATIVE", "REPLACE", "RFILL", "RIGHT", "ROUND", "ROWID",
"ROWNO", "RPAD", "RTRIM", "SECOND", "SELECT", "SELUPD", "SERIAL", "SET", "SHOW", "SIGN", "SIN", "SINH",
"SMALLINT", "SOME", "SOUNDEX", "SPACE", "SQRT", "STAMP", "STATISTICS", "STDDEV", "SUBDATE", "SUBSTR",
"SUBSTRING", "SUBTIME", "SUM", "SYSDBA", "TABLE", "TAN", "TANH", "TIME", "TIMEDIFF", "TIMESTAMP",
"TIMEZONE", "TO", "TOIDENTIFIER", "TRANSACTION", "TRANSLATE", "TRIM", "TRUNC", "TRUNCATE", "UCASE", "UID",
"UNICODE", "UNION", "UPDATE", "UPPER", "USER", "USERGROUP", "USING", "UTCDATE", "UTCDIFF", "VALUE",
"VALUES", "VARCHAR", "VARGRAPHIC", "VARIANCE", "WEEK", "WEEKOFYEAR", "WHEN", "WHERE", "WITH", "YEAR",
"ZONED" };
}
@Override
public String[] getUsedLibraries() {
return new String[] { "sapdbc.jar" };
}
}