OracleDatabaseMeta

java.lang.Object
- org.pentaho.di.core.database.BaseDatabaseMeta
- - org.pentaho.di.core.database.OracleDatabaseMeta

All Implemented Interfaces:

Cloneable, DatabaseInterface
```
public class OracleDatabaseMeta
extends BaseDatabaseMeta
implements DatabaseInterface
```
Contains Oracle 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_PRESERVE_RESERVED_WORD_CASE, ATTRIBUTE_QUOTE_ALL_FIELDS, ATTRIBUTE_SQL_CONNECT, ATTRIBUTE_SUPPORTS_BOOLEAN_DATA_TYPE, ATTRIBUTE_SUPPORTS_TIMESTAMP_DATA_TYPE, ATTRIBUTE_USE_POOLING, ATTRIBUTE_USE_RESULT_STREAMING, AUTOINCREMENT_SQL_FOR_BATCH_ID, poolingParameters, SELECT_COUNT_STATEMENT, SEQUENCE_FOR_BATCH_ID

Constructor Summary

Constructors
Constructor and Description

OracleDatabaseMeta()

Constructors
Constructor and Description
`OracleDatabaseMeta()`

Method Summary

Methods
Modifier and Type	Method and Description
`boolean`	`checkIndexExists(Database database, String schemaName, String tableName, String[] idx_fields)` Verifies on the specified database connection if an index exists on the fields with the specified name.
`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
`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
`String`	`getExtraOptionsHelpText()`
`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)`
`int`	`getMaxColumnsInIndex()`
`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`	`getSQLColumnExists(String columnname, String tablename)`
`String`	`getSQLCurrentSequenceValue(String sequenceName)` Get the current value of a database sequence
`String`	`getSQLListOfProcedures()`
`String`	`getSQLListOfSequences()`
`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[] tableNames)`
`String`	`getTablespaceDDL(VariableSpace variables, DatabaseMeta databaseMeta, String tablespace)` Returns an empty string as most databases do not support tablespaces.
`String`	`getURL(String hostname, String port, String databaseName)`
`String[]`	`getUsedLibraries()`
`boolean`	`needsToLockAllTables()`
`String`	`quoteSQLString(String string)` Adds quotes around the string according to the database dialect and also escapes special characters like CR, LF and the quote character itself.
`boolean`	`releaseSavepoint()` Returns a false as Oracle does not allow for the releasing of savepoints.
`boolean`	`requiresCreateTablePrimaryKeyAppend()`
`boolean`	`supportsAutoInc()`
`boolean`	`supportsErrorHandlingOnBatchUpdates()`
`boolean`	`supportsOptionsInURL()` Oracle doesn't support options in the URL, we need to put these in a Properties object at connection time...
`boolean`	`supportsPreparedStatementMetadataRetrieval()` Most databases allow you to retrieve result metadata by preparing a SELECT statement.
`boolean`	`supportsRepository()`
`boolean`	`supportsSequences()`
`boolean`	`supportsSynonyms()`
`boolean`	`useSchemaNameForTableList()`

Methods inherited from class org.pentaho.di.core.database.BaseDatabaseMeta
addExtraOption, clone, customizeValueFromSQLType, generateColumnAlias, getAccessType, getAttributes, getBackwardsCompatibleSchemaTableCombination, getBackwardsCompatibleTable, getConnectionPoolingProperties, getConnectSQL, getCreateTableStatement, getDatabaseFactoryName, getDatabaseName, getDatabasePortNumberString, getDataTablespace, getDataTablespaceDDL, getDefaultOptions, getDisplayName, getEndQuote, getExtraOptionIndicator, getExtraOptions, getExtraOptionSeparator, getExtraOptionValueSeparator, getFunctionAverage, getFunctionCount, getFunctionMaximum, getFunctionMinimum, getFunctionSum, getHostname, getIndexTablespace, getIndexTablespaceDDL, getInitialPoolSize, getMaximumPoolSize, getMaxTextFieldLength, getName, getNextBatchId, getNextBatchIdUsingAutoIncSQL, getNextBatchIdUsingLockTables, getNextBatchIdUsingSequence, getNotFoundTK, getObjectId, getPartitioningInformation, getPassword, getPluginId, getPluginName, getPreferredSchemaName, getSafeFieldname, getSchemaTableCombination, getSelectCountStatement, getSequenceNoMaxValueOption, getServername, getSQLInsertAutoIncUnknownDimensionRow, getSQLListOfSchemas, getSqlScriptStatements, getSQLValue, getStartQuote, getSynonymTypes, getTableTypes, getTruncateTableStatement, getUsername, getValueFromResultSet, getViewTypes, getXulOverlayFile, isChanged, isDefaultingToUppercase, isDisplaySizeTwiceThePrecision, isExplorable, isFetchSizeSupported, isForcingIdentifiersToLowerCase, isForcingIdentifiersToUpperCase, isMySQLVariant, isPartitioned, isQuoteAllFields, isRequiringTransactionsOnQueries, isStreamingResults, isSystemTable, isUsingConnectionPool, isUsingDoubleDecimalAsSchemaTableSeparator, needsPlaceHolder, parseStatements, preserveReservedCase, quoteReservedWords, requiresCastToVariousForIsNull, setAccessType, setAttributes, setChanged, setConnectionPoolingProperties, setConnectSQL, setDatabaseName, setDatabasePortNumberString, setDataTablespace, setDisplayName, setForcingIdentifiersToLowerCase, setForcingIdentifiersToUpperCase, setHostname, setIndexTablespace, setInitialPoolSize, setMaximumPoolSize, setName, setObjectId, setPartitioned, setPartitioningInformation, setPassword, setPluginId, setPluginName, setPreferredSchemaName, setPreserveReservedCase, setQuoteAllFields, setServername, setStreamingResults, setSupportsBooleanDataType, setSupportsTimestampDataType, setUsername, setUsingConnectionPool, setUsingDoubleDecimalAsSchemaTableSeparator, supportsAutoGeneratedKeys, supportsBatchUpdates, supportsBitmapIndex, supportsBooleanDataType, supportsCatalogs, supportsEmptyTransactions, supportsErrorHandling, supportsFloatRoundingOnUpdate, supportsGetBlob, supportsNewLinesInSQL, supportsResultSetMetadataRetrievalOnly, supportsSchemas, supportsSequenceNoMaxValueOption, supportsSetCharacterStream, supportsSetLong, supportsSetMaxRows, supportsTimestampDataType, supportsTimeStampToDateConversion, supportsTransactions, supportsViews, useSafePoints

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, clone, customizeValueFromSQLType, generateColumnAlias, getAccessType, getAttributes, getConnectionPoolingProperties, getConnectSQL, getCreateTableStatement, getDatabaseFactoryName, getDatabaseName, getDatabasePortNumberString, getDataTablespace, getDataTablespaceDDL, getDefaultOptions, getDisplayName, getEndQuote, getExtraOptionIndicator, getExtraOptions, getExtraOptionSeparator, getExtraOptionValueSeparator, getFunctionAverage, getFunctionCount, getFunctionMaximum, getFunctionMinimum, getFunctionSum, getHostname, getIndexTablespace, getIndexTablespaceDDL, getInitialPoolSize, getMaximumPoolSize, getMaxTextFieldLength, getName, getNextBatchId, getNotFoundTK, getObjectId, getPartitioningInformation, getPassword, getPluginId, getPluginName, getPreferredSchemaName, getSafeFieldname, getSchemaTableCombination, getSelectCountStatement, getSequenceNoMaxValueOption, getServername, getSQLInsertAutoIncUnknownDimensionRow, getSQLListOfSchemas, getSqlScriptStatements, getSQLValue, getStartQuote, getSynonymTypes, getTableTypes, getTruncateTableStatement, getUsername, getValueFromResultSet, getViewTypes, getXulOverlayFile, isChanged, isDefaultingToUppercase, isDisplaySizeTwiceThePrecision, isExplorable, isFetchSizeSupported, isForcingIdentifiersToLowerCase, isForcingIdentifiersToUpperCase, isMySQLVariant, isPartitioned, isQuoteAllFields, isRequiringTransactionsOnQueries, isStreamingResults, isSystemTable, isUsingConnectionPool, isUsingDoubleDecimalAsSchemaTableSeparator, needsPlaceHolder, parseStatements, preserveReservedCase, quoteReservedWords, requiresCastToVariousForIsNull, setAccessType, setAttributes, setChanged, setConnectionPoolingProperties, setConnectSQL, setDatabaseName, setDatabasePortNumberString, setDataTablespace, setDisplayName, setForcingIdentifiersToLowerCase, setForcingIdentifiersToUpperCase, setHostname, setIndexTablespace, setInitialPoolSize, setMaximumPoolSize, setName, setObjectId, setPartitioned, setPartitioningInformation, setPassword, setPluginId, setPluginName, setPreferredSchemaName, setPreserveReservedCase, setQuoteAllFields, setServername, setStreamingResults, setSupportsBooleanDataType, setSupportsTimestampDataType, setUsername, setUsingConnectionPool, setUsingDoubleDecimalAsSchemaTableSeparator, supportsAutoGeneratedKeys, supportsBatchUpdates, supportsBitmapIndex, supportsBooleanDataType, supportsCatalogs, supportsEmptyTransactions, supportsErrorHandling, supportsFloatRoundingOnUpdate, supportsGetBlob, supportsNewLinesInSQL, supportsResultSetMetadataRetrievalOnly, supportsSchemas, supportsSequenceNoMaxValueOption, supportsSetCharacterStream, supportsSetLong, supportsSetMaxRows, supportsTimestampDataType, supportsTimeStampToDateConversion, supportsTransactions, supportsViews, useSafePoints

- Constructor Detail
  - OracleDatabaseMeta
```
public OracleDatabaseMeta()
```
- 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.
  - getDefaultDatabasePort
```
public int getDefaultDatabasePort()
```
    Specified by:
    
    getDefaultDatabasePort in interface DatabaseInterface
    
    Overrides:
    
    getDefaultDatabasePort in class BaseDatabaseMeta
    
    Returns:
    the default database port number
  - supportsAutoInc
```
public boolean supportsAutoInc()
```
    Specified by:
    
    supportsAutoInc in interface DatabaseInterface
    
    Overrides:
    
    supportsAutoInc in class BaseDatabaseMeta
    
    Returns:
    Whether or not the database can use auto increment type of fields (pk)
  - 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
    See Also:
    DatabaseInterface.getLimitClause(int)
  - getSQLQueryFields
```
public String getSQLQueryFields(String tableName)
```
    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
    
    Parameters:
    columnname - The column to verify the existance for
    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)
```
  - needsToLockAllTables
```
public boolean needsToLockAllTables()
```
    Specified by:
    
    needsToLockAllTables in interface DatabaseInterface
    
    Overrides:
    
    needsToLockAllTables in class BaseDatabaseMeta
    
    Returns:
    true if the database needs all repository tables to be locked, not just one ref table (R_REPOSITORY_LOG)
  - 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)
              throws KettleDatabaseException
```
    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.
    
    Throws:
    
    KettleDatabaseException - in case a configuration error is detected.
  - supportsOptionsInURL
```
public boolean supportsOptionsInURL()
```
    Oracle doesn't support options in the URL, we need to put these in a Properties object at connection time...
    
    Specified by:
    
    supportsOptionsInURL in interface DatabaseInterface
    
    Overrides:
    
    supportsOptionsInURL in class BaseDatabaseMeta
    
    Returns:
    true if the database supports connection options in the URL, false if they are put in a Properties object.
  - 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)
  - useSchemaNameForTableList
```
public boolean useSchemaNameForTableList()
```
    Specified by:
    
    useSchemaNameForTableList in interface DatabaseInterface
    
    Overrides:
    
    useSchemaNameForTableList in class BaseDatabaseMeta
    
    Returns:
    true if we need to supply the schema-name to getTables in order to get a correct list of items.
  - supportsSynonyms
```
public boolean supportsSynonyms()
```
    Specified by:
    
    supportsSynonyms in interface DatabaseInterface
    
    Overrides:
    
    supportsSynonyms in class BaseDatabaseMeta
    
    Returns:
    true if the database supports synonyms
  - 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
  - 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
    
    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
    
    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...
  - getSQLListOfProcedures
```
public String getSQLListOfProcedures()
```
    Specified by:
    
    getSQLListOfProcedures in interface DatabaseInterface
    
    Overrides:
    
    getSQLListOfProcedures in class BaseDatabaseMeta
    
    Returns:
    The SQL on this database to get a list of stored procedures.
  - 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 command to lock database tables for write purposes. null is returned in case locking is not supported on the target database. null is the default value
  - getSQLUnlockTables
```
public String getSQLUnlockTables(String[] tableNames)
```
    Specified by:
    
    getSQLUnlockTables in interface DatabaseInterface
    
    Overrides:
    
    getSQLUnlockTables in class BaseDatabaseMeta
    
    Parameters:
    tableNames - The names of the tables to unlock
    
    Returns:
    The SQL command to unlock database tables. null is returned in case locking is not supported on the target database. null is the default value
  - getExtraOptionsHelpText
```
public String getExtraOptionsHelpText()
```
    Specified by:
    
    getExtraOptionsHelpText in interface DatabaseInterface
    
    Overrides:
    
    getExtraOptionsHelpText in class BaseDatabaseMeta
    
    Returns:
    extra help text on the supported options on the selected database platform.
  - getUsedLibraries
```
public String[] getUsedLibraries()
```
    Specified by:
    
    getUsedLibraries in interface DatabaseInterface
    
    Returns:
    the required libraries (in lib) for this database connection.
  - checkIndexExists
```
public boolean checkIndexExists(Database database,
                       String schemaName,
                       String tableName,
                       String[] idx_fields)
                         throws KettleDatabaseException
```
    Verifies on the specified database connection if an index exists on the fields with the specified name.
    
    Specified by:
    
    checkIndexExists in interface DatabaseInterface
    
    Overrides:
    
    checkIndexExists in class BaseDatabaseMeta
    
    Parameters:
    database - a connected database
    schemaName -
    tableName -
    idx_fields -
    
    Returns:
    true if the index exists, false if it doesn't.
    
    Throws:
    
    KettleDatabaseException
  - requiresCreateTablePrimaryKeyAppend
```
public boolean requiresCreateTablePrimaryKeyAppend()
```
    Specified by:
    
    requiresCreateTablePrimaryKeyAppend in interface DatabaseInterface
    
    Overrides:
    
    requiresCreateTablePrimaryKeyAppend in class BaseDatabaseMeta
    
    Returns:
    true if we need to append the PRIMARY KEY block in the create table block after the fields, required for Cache.
  - supportsPreparedStatementMetadataRetrieval
```
public boolean supportsPreparedStatementMetadataRetrieval()
```
    Most databases allow you to retrieve result metadata by preparing a SELECT statement.
    
    Specified by:
    
    supportsPreparedStatementMetadataRetrieval in interface DatabaseInterface
    
    Overrides:
    
    supportsPreparedStatementMetadataRetrieval in class BaseDatabaseMeta
    
    Returns:
    true if the database supports retrieval of query metadata from a prepared statement. False if the query needs to be executed first.
  - getMaxColumnsInIndex
```
public int getMaxColumnsInIndex()
```
    Specified by:
    
    getMaxColumnsInIndex in interface DatabaseInterface
    
    Overrides:
    
    getMaxColumnsInIndex in class BaseDatabaseMeta
    
    Returns:
    The maximum number of columns in a database, <=0 means: no known limit
  - getSQLListOfSequences
```
public String getSQLListOfSequences()
```
    Specified by:
    
    getSQLListOfSequences in interface DatabaseInterface
    
    Overrides:
    
    getSQLListOfSequences in class BaseDatabaseMeta
    
    Returns:
    The SQL on this database to get a list of sequences.
  - quoteSQLString
```
public String quoteSQLString(String string)
```
    Description copied from interface: DatabaseInterface
    
    Adds quotes around the string according to the database dialect and also escapes special characters like CR, LF and the quote character itself.
    
    Specified by:
    
    quoteSQLString in interface DatabaseInterface
    
    Overrides:
    
    quoteSQLString in class BaseDatabaseMeta
    
    Parameters:
    string -
    
    Returns:
    A string that is properly quoted for use in an Oracle SQL statement (insert, update, delete, etc)
  - releaseSavepoint
```
public boolean releaseSavepoint()
```
    Returns a false as Oracle does not allow for the releasing of savepoints.
    
    Specified by:
    
    releaseSavepoint in interface DatabaseInterface
    
    Overrides:
    
    releaseSavepoint in class BaseDatabaseMeta
    
    Returns:
  - getTablespaceDDL
```
public String getTablespaceDDL(VariableSpace variables,
                      DatabaseMeta databaseMeta,
                      String tablespace)
```
    Returns an empty string as most databases do not support tablespaces. Subclasses can override this method to generate the DDL.
    
    Overrides:
    
    getTablespaceDDL in class BaseDatabaseMeta
    
    Parameters:
    variables - variables needed for variable substitution.
    databaseMeta - databaseMeta needed for it's quoteField method. Since we are doing variable substitution we need to meta so that we can act on the variable substitution first and then the creation of the entire string that will be retuned.
    tablespace - tablespaceName name of the tablespace.
    
    Returns:
    String the TABLESPACE tablespaceName section of an Oracle CREATE DDL statement.
  - supportsErrorHandlingOnBatchUpdates
```
public boolean supportsErrorHandlingOnBatchUpdates()
```
    Specified by:
    
    supportsErrorHandlingOnBatchUpdates in interface DatabaseInterface
    
    Overrides:
    
    supportsErrorHandlingOnBatchUpdates in class BaseDatabaseMeta
    
    Returns:
    true if the database supports error handling (recovery of failure) while doing batch updates.
  - supportsRepository
```
public boolean supportsRepository()
```
    Specified by:
    
    supportsRepository in interface DatabaseInterface
    
    Overrides:
    
    supportsRepository in class BaseDatabaseMeta
    
    Returns:
    true if Kettle can create a repository on this type of database.
  - getMaxVARCHARLength
```
public int getMaxVARCHARLength()
```
    Description copied from class: BaseDatabaseMeta
    
    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)

Class OracleDatabaseMeta

Field Summary

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

Constructor Summary

Method Summary

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

Methods inherited from class java.lang.Object

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

Constructor Detail

OracleDatabaseMeta

Method Detail

getAccessTypeList

getDefaultDatabasePort

supportsAutoInc

getLimitClause

getSQLQueryFields

getSQLTableExists

getSQLColumnExists

getSQLQueryColumnFields

needsToLockAllTables

getDriverClass

getURL

supportsOptionsInURL

supportsSequences

getSQLSequenceExists

getSQLCurrentSequenceValue

getSQLNextSequenceValue

useSchemaNameForTableList

supportsSynonyms

getAddColumnStatement

getDropColumnStatement

getModifyColumnStatement

getFieldDefinition

getReservedWords

getSQLListOfProcedures

getSQLLockTables

getSQLUnlockTables

getExtraOptionsHelpText

getUsedLibraries

checkIndexExists

requiresCreateTablePrimaryKeyAppend

supportsPreparedStatementMetadataRetrieval

getMaxColumnsInIndex

getSQLListOfSequences

quoteSQLString

releaseSavepoint

getTablespaceDDL

supportsErrorHandlingOnBatchUpdates

supportsRepository

getMaxVARCHARLength