Package io.trino.plugin.redshift

Class RedshiftClient

java.lang.Object

io.trino.plugin.jdbc.BaseJdbcClient

io.trino.plugin.redshift.RedshiftClient

All Implemented Interfaces:

JdbcClient

public class RedshiftClient
extends BaseJdbcClient

Nested Class Summary

Nested classes/interfaces inherited from class io.trino.plugin.jdbc.BaseJdbcClient

BaseJdbcClient.TopNFunction

Field Summary

Fields inherited from class io.trino.plugin.jdbc.BaseJdbcClient

connectionFactory, identifierQuote, jdbcTypesMappedToVarchar, queryBuilder, queryModifier

Constructor Summary

Constructors

Constructor	Description
RedshiftClient(BaseJdbcConfig config, ConnectionFactory connectionFactory, JdbcStatisticsConfig statisticsConfig, QueryBuilder queryBuilder, IdentifierMapping identifierMapping, RemoteQueryModifier queryModifier, RedshiftConfig redshiftConfig)

Method Summary

Modifier and Type	Method	Description
protected void	addColumn(ConnectorSession session, Connection connection, RemoteTableName table, ColumnMetadata column)
protected List<String>	createTableSqls(RemoteTableName remoteTableName, List<String> columns, ConnectorTableMetadata tableMetadata)
OptionalLong	delete(ConnectorSession session, JdbcTableHandle handle)
protected void	dropSchema(ConnectorSession session, Connection connection, String remoteSchemaName, boolean cascade)
Connection	getConnection(ConnectorSession session, JdbcSplit split, JdbcTableHandle tableHandle)
PreparedStatement	getPreparedStatement(Connection connection, String sql, Optional<Integer> columnCount)
TableStatistics	getTableStatistics(ConnectorSession session, JdbcTableHandle handle, TupleDomain<ColumnHandle> tupleDomain)
Optional<JdbcExpression>	implementAggregation(ConnectorSession session, AggregateFunction aggregate, Map<String,ColumnHandle> assignments)
Optional<PreparedQuery>	implementJoin(ConnectorSession session, JoinType joinType, PreparedQuery leftSource, PreparedQuery rightSource, List<JdbcJoinCondition> joinConditions, Map<JdbcColumnHandle,String> rightAssignments, Map<JdbcColumnHandle,String> leftAssignments, JoinStatistics statistics)
boolean	isLimitGuaranteed(ConnectorSession session)
protected boolean	isSupportedJoinCondition(ConnectorSession session, JdbcJoinCondition joinCondition)
boolean	isTopNGuaranteed(ConnectorSession session)
protected Optional<BiFunction<String,Long,String>>	limitFunction()
protected void	renameTable(ConnectorSession session, Connection connection, String catalogName, String remoteSchemaName, String remoteTableName, String newRemoteSchemaName, String newRemoteTableName)
void	setColumnComment(ConnectorSession session, JdbcTableHandle handle, JdbcColumnHandle column, Optional<String> comment)
void	setColumnType(ConnectorSession session, JdbcTableHandle handle, JdbcColumnHandle column, Type type)
void	setTableComment(ConnectorSession session, JdbcTableHandle handle, Optional<String> comment)
boolean	supportsTopN(ConnectorSession session, JdbcTableHandle handle, List<JdbcSortItem> sortOrder)
Optional<ColumnMapping>	toColumnMapping(ConnectorSession session, Connection connection, JdbcTypeHandle type)
protected Optional<BaseJdbcClient.TopNFunction>	topNFunction()
WriteMapping	toWriteMapping(ConnectorSession session, Type type)
OptionalLong	update(ConnectorSession session, JdbcTableHandle handle)
protected void	verifyColumnName(DatabaseMetaData databaseMetadata, String columnName)
protected void	verifySchemaName(DatabaseMetaData databaseMetadata, String schemaName)
protected void	verifyTableName(DatabaseMetaData databaseMetadata, String tableName)

Methods inherited from class io.trino.plugin.jdbc.BaseJdbcClient

addColumn, applyQueryTransformations, beginCreateTable, beginInsertTable, beginInsertTable, buildInsertSql, buildProcedure, buildSql, commitCreateTable, copyTableSchema, createSchema, createSchema, createTable, createTable, createTable, createTable, createTableSql, dropColumn, dropSchema, dropTable, dropTable, escapeObjectNameForMetadataQuery, escapeObjectNameForMetadataQuery, execute, execute, filterSchema, finishInsertTable, getAdditionalPredicate, getCaseSensitivityForColumns, getColumnDefinitionSql, getColumns, getColumns, getColumns, getConnection, getConnection, getForcedMappingToVarchar, getIdentifierMapping, getInteger, getMaxWriteParallelism, getProcedureHandle, getRemoteIdentifiers, getSchemaNames, getSplits, getSplits, getTableHandle, getTableHandle, getTableNames, getTableProperties, getTables, getTableSchemaName, getTableTypes, listSchemas, mapToUnboundedVarchar, postProcessInsertTableNameClause, prepareQuery, prepareQuery, preventTextualTypeAggregationPushdown, quoted, quoted, quoted, renameColumn, renameColumn, renameSchema, renameSchema, renameTable, renameTable, rollbackCreateTable, supportsLimit, supportsRetries, toColumnMappings, truncateTable, varcharLiteral

Methods inherited from class java.lang.Object

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

Methods inherited from interface io.trino.plugin.jdbc.JdbcClient

abortReadConnection, convertPredicate, getSupportedType, getSystemTable, getTableComment, getTableScanRedirection, getTableStatistics, schemaExists, setTableProperties, supportsAggregationPushdown

Constructor Details

RedshiftClient

@Inject
public RedshiftClient(BaseJdbcConfig config,
 ConnectionFactory connectionFactory,
 JdbcStatisticsConfig statisticsConfig,
 QueryBuilder queryBuilder,
 IdentifierMapping identifierMapping,
 RemoteQueryModifier queryModifier,
 RedshiftConfig redshiftConfig)

Method Details

getConnection

public Connection getConnection(ConnectorSession session,
 JdbcSplit split,
 JdbcTableHandle tableHandle)
                         throws SQLException

Specified by:

getConnection in interface JdbcClient

Overrides:

getConnection in class BaseJdbcClient

Throws:

SQLException

dropSchema

protected void dropSchema(ConnectorSession session,
 Connection connection,
 String remoteSchemaName,
 boolean cascade)
                   throws SQLException

Overrides:

dropSchema in class BaseJdbcClient

Throws:

SQLException

createTableSqls

protected List<String> createTableSqls(RemoteTableName remoteTableName,
 List<String> columns,
 ConnectorTableMetadata tableMetadata)

Overrides:

createTableSqls in class BaseJdbcClient

setTableComment

public void setTableComment(ConnectorSession session,
 JdbcTableHandle handle,
 Optional<String> comment)

implementAggregation

public Optional<JdbcExpression> implementAggregation(ConnectorSession session,
 AggregateFunction aggregate,
 Map<String,ColumnHandle> assignments)

getTableStatistics

public TableStatistics getTableStatistics(ConnectorSession session,
 JdbcTableHandle handle,
 TupleDomain<ColumnHandle> tupleDomain)

Specified by:

getTableStatistics in interface JdbcClient

Overrides:

getTableStatistics in class BaseJdbcClient

supportsTopN

public boolean supportsTopN(ConnectorSession session,
 JdbcTableHandle handle,
 List<JdbcSortItem> sortOrder)

Specified by:

supportsTopN in interface JdbcClient

Overrides:

supportsTopN in class BaseJdbcClient

topNFunction

protected Optional<BaseJdbcClient.TopNFunction> topNFunction()

Overrides:

topNFunction in class BaseJdbcClient

isTopNGuaranteed

public boolean isTopNGuaranteed(ConnectorSession session)

Specified by:

isTopNGuaranteed in interface JdbcClient

Overrides:

isTopNGuaranteed in class BaseJdbcClient

isSupportedJoinCondition

protected boolean isSupportedJoinCondition(ConnectorSession session,
 JdbcJoinCondition joinCondition)

Overrides:

isSupportedJoinCondition in class BaseJdbcClient

implementJoin

public Optional<PreparedQuery> implementJoin(ConnectorSession session,
 JoinType joinType,
 PreparedQuery leftSource,
 PreparedQuery rightSource,
 List<JdbcJoinCondition> joinConditions,
 Map<JdbcColumnHandle,String> rightAssignments,
 Map<JdbcColumnHandle,String> leftAssignments,
 JoinStatistics statistics)

Specified by:

implementJoin in interface JdbcClient

Overrides:

implementJoin in class BaseJdbcClient

renameTable

protected void renameTable(ConnectorSession session,
 Connection connection,
 String catalogName,
 String remoteSchemaName,
 String remoteTableName,
 String newRemoteSchemaName,
 String newRemoteTableName)
                    throws SQLException

Overrides:

renameTable in class BaseJdbcClient

Throws:

SQLException

getPreparedStatement

public PreparedStatement getPreparedStatement(Connection connection,
 String sql,
 Optional<Integer> columnCount)
                                       throws SQLException

Specified by:

getPreparedStatement in interface JdbcClient

Overrides:

getPreparedStatement in class BaseJdbcClient

Throws:

SQLException

delete

public OptionalLong delete(ConnectorSession session,
 JdbcTableHandle handle)

Specified by:

delete in interface JdbcClient

Overrides:

delete in class BaseJdbcClient

update

public OptionalLong update(ConnectorSession session,
 JdbcTableHandle handle)

Specified by:

update in interface JdbcClient

Overrides:

update in class BaseJdbcClient

addColumn

protected void addColumn(ConnectorSession session,
 Connection connection,
 RemoteTableName table,
 ColumnMetadata column)
                  throws SQLException

Overrides:

addColumn in class BaseJdbcClient

Throws:

SQLException

verifySchemaName

protected void verifySchemaName(DatabaseMetaData databaseMetadata,
 String schemaName)
                         throws SQLException

Overrides:

verifySchemaName in class BaseJdbcClient

Throws:

SQLException

verifyTableName

protected void verifyTableName(DatabaseMetaData databaseMetadata,
 String tableName)
                        throws SQLException

Overrides:

verifyTableName in class BaseJdbcClient

Throws:

SQLException

verifyColumnName

protected void verifyColumnName(DatabaseMetaData databaseMetadata,
 String columnName)
                         throws SQLException

Overrides:

verifyColumnName in class BaseJdbcClient

Throws:

SQLException

toColumnMapping

public Optional<ColumnMapping> toColumnMapping(ConnectorSession session,
 Connection connection,
 JdbcTypeHandle type)

toWriteMapping

public WriteMapping toWriteMapping(ConnectorSession session,
 Type type)

limitFunction

protected Optional<BiFunction<String,Long,String>> limitFunction()

Overrides:

limitFunction in class BaseJdbcClient

isLimitGuaranteed

public boolean isLimitGuaranteed(ConnectorSession session)

Specified by:

isLimitGuaranteed in interface JdbcClient

Overrides:

isLimitGuaranteed in class BaseJdbcClient

setColumnComment

public void setColumnComment(ConnectorSession session,
 JdbcTableHandle handle,
 JdbcColumnHandle column,
 Optional<String> comment)

setColumnType

public void setColumnType(ConnectorSession session,
 JdbcTableHandle handle,
 JdbcColumnHandle column,
 Type type)

Specified by:

setColumnType in interface JdbcClient

Overrides:

setColumnType in class BaseJdbcClient