Package io.trino.plugin.postgresql

Class PostgreSqlClient

java.lang.Object

io.trino.plugin.jdbc.BaseJdbcClient

io.trino.plugin.postgresql.PostgreSqlClient

All Implemented Interfaces:

JdbcClient

public class PostgreSqlClient
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

Constructor Summary

Constructors

Constructor	Description
PostgreSqlClient(BaseJdbcConfig config, PostgreSqlConfig postgreSqlConfig, ConnectionFactory connectionFactory, TypeManager typeManager, IdentifierMapping identifierMapping)

Method Summary

Modifier and Type	Method	Description
void	createTable(ConnectorSession session, ConnectorTableMetadata tableMetadata)
OptionalLong	delete(ConnectorSession session, JdbcTableHandle handle)
List<JdbcColumnHandle>	getColumns(ConnectorSession session, JdbcTableHandle tableHandle)
PreparedStatement	getPreparedStatement(Connection connection, String sql)
protected Optional<List<String>>	getTableTypes()
Optional<JdbcExpression>	implementAggregation(ConnectorSession session, AggregateFunction aggregate, Map<String,ColumnHandle> assignments)
boolean	isLimitGuaranteed(ConnectorSession session)
protected boolean	isSupportedJoinCondition(JdbcJoinCondition joinCondition)
boolean	isTopNGuaranteed(ConnectorSession session)
protected Optional<BiFunction<String,Long,String>>	limitFunction()
protected void	renameTable(ConnectorSession session, String catalogName, String schemaName, String tableName, SchemaTableName newTable)
void	setColumnComment(ConnectorSession session, JdbcTableHandle handle, JdbcColumnHandle column, Optional<String> comment)
boolean	supportsAggregationPushdown(ConnectorSession session, JdbcTableHandle table, List<AggregateFunction> aggregates, Map<String,ColumnHandle> assignments, List<List<ColumnHandle>> groupingSets)
boolean	supportsTopN(ConnectorSession session, JdbcTableHandle handle, List<JdbcSortItem> sortOrder)
Optional<ColumnMapping>	toColumnMapping(ConnectorSession session, Connection connection, JdbcTypeHandle typeHandle)
protected Optional<BaseJdbcClient.TopNFunction>	topNFunction()
WriteMapping	toWriteMapping(ConnectorSession session, Type type)

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

addColumn, applyQueryTransformations, beginCreateTable, beginInsertTable, buildInsertSql, buildInsertSql, buildSql, commitCreateTable, copyTableSchema, createSchema, createSchemaSql, createTable, createTableSql, dropColumn, dropSchema, dropSchemaSql, dropTable, escapeNamePattern, execute, execute, filterSchema, finishInsertTable, generateTemporaryTableName, getColumnDefinitionSql, getColumns, getConnection, getConnection, getForcedMappingToVarchar, getIdentifierMapping, getInteger, getSchemaNames, getSplits, getTableHandle, getTableNames, getTableProperties, getTables, getTableSchemaName, getTableStatistics, implementJoin, listSchemas, mapToUnboundedVarchar, prepareQuery, prepareQuery, preventTextualTypeAggregationPushdown, quoted, quoted, quoted, renameColumn, renameSchema, renameSchemaSql, renameTable, rollbackCreateTable, supportsLimit, toColumnMappings, truncateTable

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, getSystemTable, getTableScanRedirection, schemaExists, setTableProperties

Constructor Detail

PostgreSqlClient

@Inject
public PostgreSqlClient(BaseJdbcConfig config,
                        PostgreSqlConfig postgreSqlConfig,
                        ConnectionFactory connectionFactory,
                        TypeManager typeManager,
                        IdentifierMapping identifierMapping)

Method Detail

createTable

public void createTable(ConnectorSession session,
                        ConnectorTableMetadata tableMetadata)

Specified by:

createTable in interface JdbcClient

Overrides:

createTable in class BaseJdbcClient

renameTable

protected void renameTable(ConnectorSession session,
                           String catalogName,
                           String schemaName,
                           String tableName,
                           SchemaTableName newTable)

Overrides:

renameTable in class BaseJdbcClient

getPreparedStatement

public PreparedStatement getPreparedStatement(Connection connection,
                                              String sql)
                                       throws SQLException

Specified by:

getPreparedStatement in interface JdbcClient

Overrides:

getPreparedStatement in class BaseJdbcClient

Throws:

SQLException

getTableTypes

protected Optional<List<String>> getTableTypes()

Overrides:

getTableTypes in class BaseJdbcClient

getColumns

public List<JdbcColumnHandle> getColumns(ConnectorSession session,
                                         JdbcTableHandle tableHandle)

Specified by:

getColumns in interface JdbcClient

Overrides:

getColumns in class BaseJdbcClient

toColumnMapping

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

toWriteMapping

public WriteMapping toWriteMapping(ConnectorSession session,
                                   Type type)

implementAggregation

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

supportsAggregationPushdown

public boolean supportsAggregationPushdown(ConnectorSession session,
                                           JdbcTableHandle table,
                                           List<AggregateFunction> aggregates,
                                           Map<String,ColumnHandle> assignments,
                                           List<List<ColumnHandle>> groupingSets)

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

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

delete

public OptionalLong delete(ConnectorSession session,
                           JdbcTableHandle handle)

Specified by:

delete in interface JdbcClient

Overrides:

delete in class BaseJdbcClient

isSupportedJoinCondition

protected boolean isSupportedJoinCondition(JdbcJoinCondition joinCondition)

Overrides:

isSupportedJoinCondition in class BaseJdbcClient

setColumnComment

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