org.pentaho.di.core.database
Class NetezzaDatabaseMeta

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

All Implemented Interfaces:

Cloneable, DatabaseInterface

public class NetezzaDatabaseMeta
extends BaseDatabaseMeta
implements DatabaseInterface

Contains Netezza specific information through static final members

Since:

16-oct-2006

Author:

Biswapesh

Field Summary

static int

MAX_CHAR_LEN

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

NetezzaDatabaseMeta()

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 Note: Netezza does not allow adding columns to tables
int	getDefaultDatabasePort()
String	getDriverClass() Obtain the name of the JDBC driver class that we need to use!
String	getDropColumnStatement(String tablename, ValueMetaInterface v, String tk, boolean use_autoinc, String pk, boolean semicolon) Generates the SQL statement to drop a column from the specified table Note: Netezza does not allow addition/deletion of columns to tables
String	getExtraOptionIndicator()
String	getExtraOptionSeparator()
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.
String	getLimitClause(int nrRows)
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	getSQLColumnExists(String columnname, String tablename)
String	getSQLCurrentSequenceValue(String sequenceName) Get the SQL to get the current value of a sequence.
String	getSQLListOfProcedures(String schemaName)
String	getSQLLockTables(String[] tableNames)
String	getSQLNextSequenceValue(String sequenceName) Get the SQL to get the next value of a sequence.
String	getSQLQueryColumnFields(String columnname, String tableName)
String	getSQLQueryFields(String tableName) Returns the minimal SQL to launch in order to determine the layout of the resultset for a given database table
String	getSQLSequenceExists(String sequenceName) Check if a sequence exists.
String	getSQLTableExists(String tablename)
String	getSQLUnlockTables(String[] tableName)
String	getURL(String hostname, String port, String databaseName)
String[]	getUsedLibraries()
boolean	isDefaultingToUppercase()
boolean	isFetchSizeSupported() Checks whether or not the command setFetchSize() is supported by the JDBC driver...
boolean	supportsAutoInc()
boolean	supportsBitmapIndex()
boolean	supportsSequences()
boolean	supportsSynonyms()
boolean	supportsTimeStampToDateConversion()

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, getEndQuote, getExtraOptions, getExtraOptionsHelpText, getExtraOptionValueSeparator, getFunctionAverage, getFunctionCount, getFunctionMaximum, getFunctionMinimum, getFunctionSum, getHostname, getIndexTablespace, getIndexTablespaceDDL, getInitialPoolSize, getMaxColumnsInIndex, getMaximumPoolSize, getMaxTextFieldLength, getMaxVARCHARLength, getName, getNextBatchId, getNextBatchIdUsingAutoIncSQL, getNextBatchIdUsingLockTables, getNextBatchIdUsingSequence, getNotFoundTK, getObjectId, getPartitioningInformation, getPassword, getPluginId, getPluginName, getPreferredSchemaName, getSchemaTableCombination, getSelectCountStatement, getServername, getSQLInsertAutoIncUnknownDimensionRow, getSQLListOfProcedures, getSQLListOfSchemas, getSQLListOfSequences, getStartQuote, getSynonymTypes, getTablespaceDDL, getTableTypes, getTruncateTableStatement, getUsername, getValueFromResultSet, getViewTypes, getXulOverlayFile, isChanged, isDisplaySizeTwiceThePrecision, isExplorable, 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, supportsBatchUpdates, supportsBooleanDataType, supportsCatalogs, supportsEmptyTransactions, supportsErrorHandling, supportsErrorHandlingOnBatchUpdates, supportsFloatRoundingOnUpdate, supportsGetBlob, supportsNewLinesInSQL, supportsOptionsInURL, supportsPreparedStatementMetadataRetrieval, supportsRepository, supportsResultSetMetadataRetrievalOnly, supportsSchemas, supportsSequenceNoMaxValueOption, supportsSetCharacterStream, supportsSetLong, supportsSetMaxRows, 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, getEndQuote, getExtraOptions, getExtraOptionsHelpText, getExtraOptionValueSeparator, getFunctionAverage, getFunctionCount, getFunctionMaximum, getFunctionMinimum, getFunctionSum, getHostname, getIndexTablespace, getIndexTablespaceDDL, getInitialPoolSize, getMaxColumnsInIndex, getMaximumPoolSize, getMaxTextFieldLength, getMaxVARCHARLength, getName, getNextBatchId, getNotFoundTK, getObjectId, getPartitioningInformation, getPassword, getPluginId, getPluginName, getPreferredSchemaName, getSchemaTableCombination, getSelectCountStatement, getServername, getSQLInsertAutoIncUnknownDimensionRow, getSQLListOfProcedures, getSQLListOfSchemas, getSQLListOfSequences, getStartQuote, getSynonymTypes, getTableTypes, getTruncateTableStatement, getUsername, getValueFromResultSet, getViewTypes, getXulOverlayFile, isChanged, isDisplaySizeTwiceThePrecision, isExplorable, 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, supportsBatchUpdates, supportsBooleanDataType, supportsCatalogs, supportsEmptyTransactions, supportsErrorHandling, supportsErrorHandlingOnBatchUpdates, supportsFloatRoundingOnUpdate, supportsGetBlob, supportsNewLinesInSQL, supportsOptionsInURL, supportsPreparedStatementMetadataRetrieval, supportsRepository, supportsResultSetMetadataRetrievalOnly, supportsSchemas, supportsSequenceNoMaxValueOption, supportsSetCharacterStream, supportsSetLong, supportsSetMaxRows, supportsTransactions, supportsViews, useSafePoints, useSchemaNameForTableList

Field Detail

MAX_CHAR_LEN

public static final int MAX_CHAR_LEN

See Also:

Constant Field Values

Constructor Detail

NetezzaDatabaseMeta

public NetezzaDatabaseMeta()

Method Detail

getExtraOptionSeparator

public String getExtraOptionSeparator()

Specified by:

getExtraOptionSeparator in interface DatabaseInterface

Overrides:

getExtraOptionSeparator in class BaseDatabaseMeta

Returns:

The extra option separator in database URL for this platform

getExtraOptionIndicator

public String getExtraOptionIndicator()

Specified by:

getExtraOptionIndicator in interface DatabaseInterface

Overrides:

getExtraOptionIndicator in class BaseDatabaseMeta

Returns:

This indicator separates the normal URL from the options

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.

getDefaultDatabasePort

public int getDefaultDatabasePort()

Specified by:

getDefaultDatabasePort in interface DatabaseInterface

Overrides:

getDefaultDatabasePort in class BaseDatabaseMeta

Returns:

the default database port number

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

getURL

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

Specified by:

getURL in interface DatabaseInterface

Parameters:

hostname - the hostname

port - the port as a string

databaseName - the database name

Returns:

the URL to use for connecting to the database.

isFetchSizeSupported

public boolean isFetchSizeSupported()

Checks whether or not the command setFetchSize() is supported by the JDBC driver...

Specified by:

isFetchSizeSupported in interface DatabaseInterface

Overrides:

isFetchSizeSupported in class BaseDatabaseMeta

Returns:

true is setFetchSize() is supported!

supportsBitmapIndex

public boolean supportsBitmapIndex()

Specified by:

supportsBitmapIndex in interface DatabaseInterface

Overrides:

supportsBitmapIndex in class BaseDatabaseMeta

Returns:

true if the database supports bitmap indexes

supportsSynonyms

public boolean supportsSynonyms()

Specified by:

supportsSynonyms in interface DatabaseInterface

Overrides:

supportsSynonyms in class BaseDatabaseMeta

Returns:

true if the database supports synonyms

supportsSequences

public boolean supportsSequences()

Specified by:

supportsSequences in interface DatabaseInterface

Overrides:

supportsSequences in class BaseDatabaseMeta

Returns:

true if the database supports sequences

supportsAutoInc

public boolean supportsAutoInc()

Specified by:

supportsAutoInc in interface DatabaseInterface

Overrides:

supportsAutoInc in class BaseDatabaseMeta

Returns:

true if auto incremment is supported

getLimitClause

public String getLimitClause(int nrRows)

Specified by:

getLimitClause in interface DatabaseInterface

Overrides:

getLimitClause in class BaseDatabaseMeta

Parameters:

nrRows - The number of rows to which we want to limit the result of the query.

Returns:

the clause after a select statement to limit the number of rows

getSQLQueryFields

public String getSQLQueryFields(String tableName)

Description copied from class: BaseDatabaseMeta

Returns the minimal SQL to launch in order to determine the layout of the resultset for a given database table

Specified by:

getSQLQueryFields in interface DatabaseInterface

Overrides:

getSQLQueryFields in class BaseDatabaseMeta

Parameters:

tableName - The name of the table to determine the layout for

Returns:

The SQL to launch.

getSQLTableExists

public String getSQLTableExists(String tablename)

Specified by:

getSQLTableExists in interface DatabaseInterface

Overrides:

getSQLTableExists in class BaseDatabaseMeta

Parameters:

tablename - The table to verify the existance for

Returns:

The SQL to execute to verify if the given table exists. If an Exception is thrown for this SQL, we don't have the table.

getSQLColumnExists

public String getSQLColumnExists(String columnname,
                                 String tablename)

Specified by:

getSQLColumnExists in interface DatabaseInterface

Overrides:

getSQLColumnExists in class BaseDatabaseMeta

tablename - The table to verify the existance for

Returns:

The SQL to execute to verify if the given table exists. If an Exception is thrown for this SQL, we don't have the column.

getSQLQueryColumnFields

public String getSQLQueryColumnFields(String columnname,
                                      String tableName)

getSQLNextSequenceValue

public String getSQLNextSequenceValue(String sequenceName)

Get the SQL to get the next value of a sequence. (Netezza version)

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.

getSQLCurrentSequenceValue

public String getSQLCurrentSequenceValue(String sequenceName)

Get the SQL to get the current value of a sequence. (Netezza version)

Specified by:

getSQLCurrentSequenceValue in interface DatabaseInterface

Overrides:

getSQLCurrentSequenceValue in class BaseDatabaseMeta

Parameters:

sequenceName - The sequence name

Returns:

the SQL to get the current value of a sequence.

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

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 Note: Netezza does not allow adding columns to tables

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

getDropColumnStatement

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

Generates the SQL statement to drop a column from the specified table Note: Netezza does not allow addition/deletion of columns to tables

Specified by:

getDropColumnStatement in interface DatabaseInterface

Overrides:

getDropColumnStatement in class BaseDatabaseMeta

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 drop a column from 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. Note: Support for this in Netezza is incomplete since Netezza allows very limited table/column modifications post-creation

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.

getSQLListOfProcedures

public String getSQLListOfProcedures(String schemaName)

Parameters:

the - schema name to search in or null if you want to search the whole DB

Returns:

The SQL on this database to get a list of stored procedures.

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...

getSQLLockTables

public String getSQLLockTables(String[] tableNames)

Specified by:

getSQLLockTables in interface DatabaseInterface

Overrides:

getSQLLockTables in class BaseDatabaseMeta

Parameters:

tableNames - The names of the tables to lock

Returns:

The SQL commands to lock database tables for write purposes.

getSQLUnlockTables

public String getSQLUnlockTables(String[] tableName)

Specified by:

getSQLUnlockTables in interface DatabaseInterface

Overrides:

getSQLUnlockTables in class BaseDatabaseMeta

Parameters:

tableName - The name of the table to unlock

Returns:

The SQL command to unlock a database table.

isDefaultingToUppercase

public boolean isDefaultingToUppercase()

Specified by:

isDefaultingToUppercase in interface DatabaseInterface

Overrides:

isDefaultingToUppercase in class BaseDatabaseMeta

Returns:

true if the database defaults to naming tables and fields in uppercase. True for most databases except for stuborn stuff like Postgres ;-)

supportsTimeStampToDateConversion

public boolean supportsTimeStampToDateConversion()

Specified by:

supportsTimeStampToDateConversion in interface DatabaseInterface

Overrides:

supportsTimeStampToDateConversion in class BaseDatabaseMeta

Returns:

true if the database resultsets support getTimeStamp() to retrieve date-time. (Date)

getUsedLibraries

public String[] getUsedLibraries()

Specified by:

getUsedLibraries in interface DatabaseInterface

Returns:

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