Package io.trino.plugin.snowflake

Class SnowflakeClient

java.lang.Object

io.trino.plugin.jdbc.BaseJdbcClient

io.trino.plugin.snowflake.SnowflakeClient

All Implemented Interfaces:

JdbcClient

public class SnowflakeClient
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
SnowflakeClient(BaseJdbcConfig config, ConnectionFactory connectionFactory, QueryBuilder queryBuilder, IdentifierMapping identifierMapping, RemoteQueryModifier remoteQueryModifier)

Method Summary

Modifier and Type	Method	Description
Optional<String>	getTableComment(ResultSet resultSet)
Optional<JdbcExpression>	implementAggregation(ConnectorSession session, AggregateFunction aggregate, Map<String,ColumnHandle> assignments)
boolean	isLimitGuaranteed(ConnectorSession session)
protected Optional<BiFunction<String,Long,String>>	limitFunction()
void	setColumnType(ConnectorSession session, JdbcTableHandle handle, JdbcColumnHandle column, Type type)
Optional<ColumnMapping>	toColumnMapping(ConnectorSession session, Connection connection, JdbcTypeHandle typeHandle)
WriteMapping	toWriteMapping(ConnectorSession session, Type type)

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

addColumn, addColumn, applyQueryTransformations, beginCreateTable, beginInsertTable, beginInsertTable, buildInsertSql, buildProcedure, buildSql, commitCreateTable, copyTableSchema, createSchema, createSchema, createTable, createTable, createTable, createTable, createTableSqls, delete, dropColumn, dropNotNullConstraint, dropSchema, dropSchema, dropTable, dropTable, escapeObjectNameForMetadataQuery, escapeObjectNameForMetadataQuery, execute, execute, filterSchema, finishInsertTable, getAdditionalPredicate, getCaseSensitivityForColumns, getColumnDefinitionSql, getColumns, getColumns, getColumns, getConnection, getConnection, getConnection, getForcedMappingToVarchar, getIdentifierMapping, getInteger, getMaxColumnNameLengthFromDatabaseMetaData, getMaxWriteParallelism, getPreparedStatement, getProcedureHandle, getRemoteIdentifiers, getSchemaNames, getSplits, getSplits, getTableHandle, getTableHandle, getTableNames, getTableProperties, getTables, getTableSchemaName, getTableStatistics, getTableTypes, implementJoin, isSupportedJoinCondition, isTopNGuaranteed, legacyImplementJoin, listSchemas, mapToUnboundedVarchar, postProcessInsertTableNameClause, prepareQuery, prepareQuery, preventTextualTypeAggregationPushdown, quoted, quoted, quoted, renameColumn, renameColumn, renameSchema, renameSchema, renameTable, renameTable, renameTable, rollbackCreateTable, supportsLimit, supportsRetries, supportsTopN, toColumnMappings, topNFunction, truncateTable, update, varcharLiteral, verifyColumnName, verifySchemaName, verifyTableName

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, getMaxColumnNameLength, getSupportedType, getSystemTable, getTableScanRedirection, schemaExists, setColumnComment, setTableComment, setTableProperties, supportsAggregationPushdown

Constructor Details

SnowflakeClient

@Inject
public SnowflakeClient(BaseJdbcConfig config,
 ConnectionFactory connectionFactory,
 QueryBuilder queryBuilder,
 IdentifierMapping identifierMapping,
 RemoteQueryModifier remoteQueryModifier)

Method Details

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)

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

getTableComment

public Optional<String> getTableComment(ResultSet resultSet)

setColumnType

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

Specified by:

setColumnType in interface JdbcClient

Overrides:

setColumnType in class BaseJdbcClient