org.pentaho.di.core.database
Class AS400DatabaseMeta

java.lang.Object
  org.pentaho.di.core.database.BaseDatabaseMeta
      org.pentaho.di.core.database.AS400DatabaseMeta

All Implemented Interfaces:

Cloneable, DatabaseInterface

public class AS400DatabaseMeta
extends BaseDatabaseMeta
implements DatabaseInterface

Contains AS/400 specific information through static final members

Since:

11-mrt-2005

Author:

Matt

Field Summary

Fields inherited from class org.pentaho.di.core.database.BaseDatabaseMeta

ATTRIBUTE_CLUSTER_DBNAME_PREFIX, ATTRIBUTE_CLUSTER_HOSTNAME_PREFIX, ATTRIBUTE_CLUSTER_PASSWORD_PREFIX, ATTRIBUTE_CLUSTER_PORT_PREFIX, ATTRIBUTE_CLUSTER_USERNAME_PREFIX, ATTRIBUTE_FORCE_IDENTIFIERS_TO_LOWERCASE, ATTRIBUTE_FORCE_IDENTIFIERS_TO_UPPERCASE, ATTRIBUTE_INITIAL_POOL_SIZE, ATTRIBUTE_IS_CLUSTERED, ATTRIBUTE_MAXIMUM_POOL_SIZE, ATTRIBUTE_MSSQL_DOUBLE_DECIMAL_SEPARATOR, ATTRIBUTE_POOLING_PARAMETER_PREFIX, ATTRIBUTE_PORT_NUMBER, ATTRIBUTE_PREFERRED_SCHEMA_NAME, ATTRIBUTE_PREFIX_EXTRA_OPTION, ATTRIBUTE_QUOTE_ALL_FIELDS, ATTRIBUTE_SQL_CONNECT, ATTRIBUTE_SUPPORTS_BOOLEAN_DATA_TYPE, ATTRIBUTE_USE_POOLING, ATTRIBUTE_USE_RESULT_STREAMING, AUTOINCREMENT_SQL_FOR_BATCH_ID, poolingParameters, SELECT_COUNT_STATEMENT, SEQUENCE_FOR_BATCH_ID

Constructor Summary

AS400DatabaseMeta()

Method Summary

int[]	getAccessTypeList() Get the list of possible access types for a database.
String	getAddColumnStatement(String tablename, ValueMetaInterface v, String tk, boolean use_autoinc, String pk, boolean semicolon) Generates the SQL statement to add a column to the specified table
String	getDriverClass() Obtain the name of the JDBC driver class that we need to use!
String	getFieldDefinition(ValueMetaInterface v, String tk, String pk, boolean use_autoinc, boolean add_fieldname, boolean add_cr) Describe a Value as a field in the database.
int	getMaxTextFieldLength() Get the maximum length of a text field for this database connection.
int	getMaxVARCHARLength() Get the maximum length of a text field (VARCHAR) for this database connection.
String	getModifyColumnStatement(String tablename, ValueMetaInterface v, String tk, boolean use_autoinc, String pk, boolean semicolon) Generates the SQL statement to modify a column in the specified table
String[]	getReservedWords()
String	getSQLCurrentSequenceValue(String sequenceName) Get the current value of a database sequence
String	getSQLNextSequenceValue(String sequenceName) Get the SQL to get the next value of a sequence.
String	getSQLSequenceExists(String sequenceName) Check if a sequence exists.
String	getTruncateTableStatement(String tableName)
String	getURL(String hostname, String port, String database)
String[]	getUsedLibraries()
boolean	supportsFloatRoundingOnUpdate() Most databases round number(7,2) 17.29999999 to 17.30, but some don't.
boolean	supportsSequenceNoMaxValueOption()
boolean	supportsSequences()

Methods inherited from class org.pentaho.di.core.database.BaseDatabaseMeta

addExtraOption, checkIndexExists, clone, generateColumnAlias, getAccessType, getAttributes, getBackwardsCompatibleSchemaTableCombination, getBackwardsCompatibleTable, getConnectionPoolingProperties, getConnectSQL, getDatabaseFactoryName, getDatabaseName, getDatabasePortNumberString, getDataTablespace, getDataTablespaceDDL, getDefaultDatabasePort, getDropColumnStatement, getEndQuote, getExtraOptionIndicator, getExtraOptions, getExtraOptionSeparator, getExtraOptionsHelpText, getExtraOptionValueSeparator, getFunctionAverage, getFunctionCount, getFunctionMaximum, getFunctionMinimum, getFunctionSum, getHostname, getIndexTablespace, getIndexTablespaceDDL, getInitialPoolSize, getLimitClause, getMaxColumnsInIndex, getMaximumPoolSize, getName, getNextBatchId, getNextBatchIdUsingAutoIncSQL, getNextBatchIdUsingLockTables, getNextBatchIdUsingSequence, getNotFoundTK, getObjectId, getPartitioningInformation, getPassword, getPluginId, getPluginName, getPreferredSchemaName, getSchemaTableCombination, getSelectCountStatement, getServername, getSQLColumnExists, getSQLInsertAutoIncUnknownDimensionRow, getSQLListOfProcedures, getSQLListOfSchemas, getSQLListOfSequences, getSQLLockTables, getSQLQueryFields, getSQLTableExists, getSQLUnlockTables, getStartQuote, getSynonymTypes, getTablespaceDDL, getTableTypes, getUsername, getValueFromResultSet, getViewTypes, getXulOverlayFile, isChanged, isDefaultingToUppercase, isDisplaySizeTwiceThePrecision, isExplorable, isFetchSizeSupported, isForcingIdentifiersToLowerCase, isForcingIdentifiersToUpperCase, isMySQLVariant, isPartitioned, isQuoteAllFields, isRequiringTransactionsOnQueries, isStreamingResults, isSystemTable, isUsingConnectionPool, isUsingDoubleDecimalAsSchemaTableSeparator, needsPlaceHolder, needsToLockAllTables, parseStatements, quoteReservedWords, quoteSQLString, releaseSavepoint, requiresCastToVariousForIsNull, requiresCreateTablePrimaryKeyAppend, setAccessType, setAttributes, setChanged, setConnectionPoolingProperties, setConnectSQL, setDatabaseName, setDatabasePortNumberString, setDataTablespace, setForcingIdentifiersToLowerCase, setForcingIdentifiersToUpperCase, setHostname, setIndexTablespace, setInitialPoolSize, setMaximumPoolSize, setName, setObjectId, setPartitioned, setPartitioningInformation, setPassword, setPluginId, setPluginName, setPreferredSchemaName, setQuoteAllFields, setServername, setStreamingResults, setSupportsBooleanDataType, setUsername, setUsingConnectionPool, setUsingDoubleDecimalAsSchemaTableSeparator, supportsAutoInc, supportsBatchUpdates, supportsBitmapIndex, supportsBooleanDataType, supportsCatalogs, supportsEmptyTransactions, supportsErrorHandling, supportsErrorHandlingOnBatchUpdates, supportsGetBlob, supportsNewLinesInSQL, supportsOptionsInURL, supportsPreparedStatementMetadataRetrieval, supportsRepository, supportsResultSetMetadataRetrievalOnly, supportsSchemas, supportsSetCharacterStream, supportsSetLong, supportsSetMaxRows, supportsSynonyms, supportsTimeStampToDateConversion, supportsTransactions, supportsViews, useSafePoints, useSchemaNameForTableList

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.pentaho.di.core.database.DatabaseInterface

addExtraOption, checkIndexExists, clone, generateColumnAlias, getAccessType, getAttributes, getConnectionPoolingProperties, getConnectSQL, getDatabaseFactoryName, getDatabaseName, getDatabasePortNumberString, getDataTablespace, getDataTablespaceDDL, getDefaultDatabasePort, getDropColumnStatement, getEndQuote, getExtraOptionIndicator, getExtraOptions, getExtraOptionSeparator, getExtraOptionsHelpText, getExtraOptionValueSeparator, getFunctionAverage, getFunctionCount, getFunctionMaximum, getFunctionMinimum, getFunctionSum, getHostname, getIndexTablespace, getIndexTablespaceDDL, getInitialPoolSize, getLimitClause, getMaxColumnsInIndex, getMaximumPoolSize, getName, getNextBatchId, getNotFoundTK, getObjectId, getPartitioningInformation, getPassword, getPluginId, getPluginName, getPreferredSchemaName, getSchemaTableCombination, getSelectCountStatement, getServername, getSQLColumnExists, getSQLInsertAutoIncUnknownDimensionRow, getSQLListOfProcedures, getSQLListOfSchemas, getSQLListOfSequences, getSQLLockTables, getSQLQueryFields, getSQLTableExists, getSQLUnlockTables, getStartQuote, getSynonymTypes, getTableTypes, getUsername, getValueFromResultSet, getViewTypes, getXulOverlayFile, isChanged, isDefaultingToUppercase, isDisplaySizeTwiceThePrecision, isExplorable, isFetchSizeSupported, isForcingIdentifiersToLowerCase, isForcingIdentifiersToUpperCase, isMySQLVariant, isPartitioned, isQuoteAllFields, isRequiringTransactionsOnQueries, isStreamingResults, isSystemTable, isUsingConnectionPool, isUsingDoubleDecimalAsSchemaTableSeparator, needsPlaceHolder, needsToLockAllTables, parseStatements, quoteReservedWords, quoteSQLString, releaseSavepoint, requiresCastToVariousForIsNull, requiresCreateTablePrimaryKeyAppend, setAccessType, setAttributes, setChanged, setConnectionPoolingProperties, setConnectSQL, setDatabaseName, setDatabasePortNumberString, setDataTablespace, setForcingIdentifiersToLowerCase, setForcingIdentifiersToUpperCase, setHostname, setIndexTablespace, setInitialPoolSize, setMaximumPoolSize, setName, setObjectId, setPartitioned, setPartitioningInformation, setPassword, setPluginId, setPluginName, setPreferredSchemaName, setQuoteAllFields, setServername, setStreamingResults, setSupportsBooleanDataType, setUsername, setUsingConnectionPool, setUsingDoubleDecimalAsSchemaTableSeparator, supportsAutoInc, supportsBatchUpdates, supportsBitmapIndex, supportsBooleanDataType, supportsCatalogs, supportsEmptyTransactions, supportsErrorHandling, supportsErrorHandlingOnBatchUpdates, supportsGetBlob, supportsNewLinesInSQL, supportsOptionsInURL, supportsPreparedStatementMetadataRetrieval, supportsRepository, supportsResultSetMetadataRetrievalOnly, supportsSchemas, supportsSetCharacterStream, supportsSetLong, supportsSetMaxRows, supportsSynonyms, supportsTimeStampToDateConversion, supportsTransactions, supportsViews, useSafePoints, useSchemaNameForTableList

Constructor Detail

AS400DatabaseMeta

public AS400DatabaseMeta()

Method Detail

getAccessTypeList

public int[] getAccessTypeList()

Description copied from interface: DatabaseInterface

Get the list of possible access types for a database.

Specified by:

getAccessTypeList in interface DatabaseInterface

Specified by:

getAccessTypeList in class BaseDatabaseMeta

Returns:

the list of possible access types for a database.

getDriverClass

public String getDriverClass()

Description copied from interface: DatabaseInterface

Obtain the name of the JDBC driver class that we need to use!

Specified by:

getDriverClass in interface DatabaseInterface

Returns:

the name of the JDBC driver class for the specific database

getMaxTextFieldLength

public int getMaxTextFieldLength()

Get the maximum length of a text field for this database connection. This includes optional CLOB, Memo and Text fields. (the maximum!)

Specified by:

getMaxTextFieldLength in interface DatabaseInterface

Overrides:

getMaxTextFieldLength in class BaseDatabaseMeta

Returns:

The maximum text field length for this database type. (mostly CLOB_LENGTH)

getURL

public String getURL(String hostname,
                     String port,
                     String database)

Specified by:

getURL in interface DatabaseInterface

Parameters:

hostname - the hostname

port - the port as a string

database - the database name

Returns:

the URL to use for connecting to the database.

getTruncateTableStatement

public String getTruncateTableStatement(String tableName)

Specified by:

getTruncateTableStatement in interface DatabaseInterface

Overrides:

getTruncateTableStatement in class BaseDatabaseMeta

Parameters:

tableName - The table to be truncated.

Returns:

The SQL statement to truncate a table: remove all rows from it without a transaction

getAddColumnStatement

public String getAddColumnStatement(String tablename,
                                    ValueMetaInterface v,
                                    String tk,
                                    boolean use_autoinc,
                                    String pk,
                                    boolean semicolon)

Generates the SQL statement to add a column to the specified table

Specified by:

getAddColumnStatement in interface DatabaseInterface

Parameters:

tablename - The table to add

v - The column defined as a value

tk - the name of the technical key field

use_autoinc - whether or not this field uses auto increment

pk - the name of the primary key field

semicolon - whether or not to add a semi-colon behind the statement.

Returns:

the SQL statement to add a column to the specified table

getModifyColumnStatement

public String getModifyColumnStatement(String tablename,
                                       ValueMetaInterface v,
                                       String tk,
                                       boolean use_autoinc,
                                       String pk,
                                       boolean semicolon)

Generates the SQL statement to modify a column in the specified table

Specified by:

getModifyColumnStatement in interface DatabaseInterface

Parameters:

tablename - The table to add

v - The column defined as a value

tk - the name of the technical key field

use_autoinc - whether or not this field uses auto increment

pk - the name of the primary key field

semicolon - whether or not to add a semi-colon behind the statement.

Returns:

the SQL statement to modify a column in the specified table

getFieldDefinition

public String getFieldDefinition(ValueMetaInterface v,
                                 String tk,
                                 String pk,
                                 boolean use_autoinc,
                                 boolean add_fieldname,
                                 boolean add_cr)

Description copied from interface: DatabaseInterface

Describe a Value as a field in the database.

Specified by:

getFieldDefinition in interface DatabaseInterface

Parameters:

v - The value to describe

tk - The field that's going to be the technical key

pk - The field that's going to be the primary key

use_autoinc - Use autoincrement or not

add_fieldname - Add the fieldname to the definition or not

add_cr - Add a cariage return at the end of the definition or not.

Returns:

a value described as a field in this database.

getReservedWords

public String[] getReservedWords()

Specified by:

getReservedWords in interface DatabaseInterface

Overrides:

getReservedWords in class BaseDatabaseMeta

Returns:

an array of reserved words for the database type...

getUsedLibraries

public String[] getUsedLibraries()

Specified by:

getUsedLibraries in interface DatabaseInterface

Returns:

the required libraries (in libext) for this database connection.

supportsFloatRoundingOnUpdate

public boolean supportsFloatRoundingOnUpdate()

Most databases round number(7,2) 17.29999999 to 17.30, but some don't.

Specified by:

supportsFloatRoundingOnUpdate in interface DatabaseInterface

Overrides:

supportsFloatRoundingOnUpdate in class BaseDatabaseMeta

Returns:

true if the database supports roundinf of floating point data on update/insert

getMaxVARCHARLength

public int getMaxVARCHARLength()

Get the maximum length of a text field (VARCHAR) for this database connection. If this size is exceeded use a CLOB.

Specified by:

getMaxVARCHARLength in interface DatabaseInterface

Overrides:

getMaxVARCHARLength in class BaseDatabaseMeta

Returns:

The maximum VARCHAR field length for this database type. (mostly identical to getMaxTextFieldLength() - CLOB_LENGTH)

supportsSequences

public boolean supportsSequences()

Specified by:

supportsSequences in interface DatabaseInterface

Overrides:

supportsSequences in class BaseDatabaseMeta

Returns:

true if the database supports sequences

getSQLSequenceExists

public String getSQLSequenceExists(String sequenceName)

Check if a sequence exists.

Specified by:

getSQLSequenceExists in interface DatabaseInterface

Overrides:

getSQLSequenceExists in class BaseDatabaseMeta

Parameters:

sequenceName - The sequence to check

Returns:

The SQL to get the name of the sequence back from the databases data dictionary

getSQLCurrentSequenceValue

public String getSQLCurrentSequenceValue(String sequenceName)

Get the current value of a database sequence

Specified by:

getSQLCurrentSequenceValue in interface DatabaseInterface

Overrides:

getSQLCurrentSequenceValue in class BaseDatabaseMeta

Parameters:

sequenceName - The sequence to check

Returns:

The current value of a database sequence

getSQLNextSequenceValue

public String getSQLNextSequenceValue(String sequenceName)

Get the SQL to get the next value of a sequence. (Oracle only)

Specified by:

getSQLNextSequenceValue in interface DatabaseInterface

Overrides:

getSQLNextSequenceValue in class BaseDatabaseMeta

Parameters:

sequenceName - The sequence name

Returns:

the SQL to get the next value of a sequence. (Oracle only)

supportsSequenceNoMaxValueOption

public boolean supportsSequenceNoMaxValueOption()

Specified by:

supportsSequenceNoMaxValueOption in interface DatabaseInterface

Overrides:

supportsSequenceNoMaxValueOption in class BaseDatabaseMeta

Returns:

true if the database supports the NOMAXVALUE sequence option. The default is false, AS/400 and DB2 support this.