Package com.amazonaws.athena.connectors.clickhouse

Class ClickHouseRecordHandler

java.lang.Object

com.amazonaws.athena.connector.lambda.handlers.RecordHandler

com.amazonaws.athena.connectors.jdbc.manager.JdbcRecordHandler

com.amazonaws.athena.connectors.clickhouse.ClickHouseRecordHandler

All Implemented Interfaces:

FederationRequestHandler, com.amazonaws.services.lambda.runtime.RequestStreamHandler

public class ClickHouseRecordHandler
extends JdbcRecordHandler

Data handler that reuses MySqlQueryStringBuilder and MySqlFederationExpressionParser. user must have necessary permissions to read from necessary tables.

Field Summary

Fields

Modifier and Type	Field	Description
protected static String	MYSQL_QUOTE_CHARACTER

Fields inherited from class com.amazonaws.athena.connectors.jdbc.manager.JdbcRecordHandler

queryPassthrough

Fields inherited from class com.amazonaws.athena.connector.lambda.handlers.RecordHandler

configOptions

Constructor Summary

Constructors

Constructor	Description
ClickHouseRecordHandler(DatabaseConnectionConfig databaseConnectionConfig, JdbcConnectionFactory jdbcConnectionFactory, Map<String,String> configOptions)
ClickHouseRecordHandler(DatabaseConnectionConfig databaseConnectionConfig, Map<String,String> configOptions)
ClickHouseRecordHandler(Map<String,String> configOptions)	Instantiates handler to be used by Lambda function directly.

Method Summary

Modifier and Type	Method	Description
PreparedStatement	buildSplitSql(Connection jdbcConnection, String catalogName, TableName tableName, org.apache.arrow.vector.types.pojo.Schema schema, Constraints constraints, Split split)	Builds split SQL string and returns prepared statement.

Methods inherited from class com.amazonaws.athena.connectors.jdbc.manager.JdbcRecordHandler

buildQueryPassthroughSql, disableCaseSensitivelyLookUpSession, enableCaseSensitivelyLookUpSession, getCredentialProvider, getDatabaseConnectionConfig, getJdbcConnectionFactory, makeExtractor, makeFactory, readWithConstraint

Methods inherited from class com.amazonaws.athena.connector.lambda.handlers.RecordHandler

doHandleRequest, doReadRecords, getCachableSecretsManager, getRequestOverrideConfig, getSecret, getSpillConfig, handleRequest, onPing, resolveSecrets, resolveWithDefaultCredentials

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.amazonaws.athena.connector.lambda.handlers.FederationRequestHandler

getAthenaClient, getRequestOverrideConfig, getS3Client, getSessionCredentials

Field Detail

MYSQL_QUOTE_CHARACTER

protected static final String MYSQL_QUOTE_CHARACTER

See Also:

Constant Field Values

Constructor Detail

ClickHouseRecordHandler

public ClickHouseRecordHandler(Map<String,String> configOptions)

Instantiates handler to be used by Lambda function directly. Recommend using MySqlMuxCompositeHandler instead.

ClickHouseRecordHandler

public ClickHouseRecordHandler(DatabaseConnectionConfig databaseConnectionConfig,
                               Map<String,String> configOptions)

ClickHouseRecordHandler

public ClickHouseRecordHandler(DatabaseConnectionConfig databaseConnectionConfig,
                               JdbcConnectionFactory jdbcConnectionFactory,
                               Map<String,String> configOptions)

Method Detail

buildSplitSql

public PreparedStatement buildSplitSql(Connection jdbcConnection,
                                       String catalogName,
                                       TableName tableName,
                                       org.apache.arrow.vector.types.pojo.Schema schema,
                                       Constraints constraints,
                                       Split split)
                                throws SQLException

Description copied from class: JdbcRecordHandler

Builds split SQL string and returns prepared statement.

Specified by:

buildSplitSql in class JdbcRecordHandler

Parameters:

jdbcConnection - jdbc connection. See Connection

catalogName - Athena provided catalog name.

tableName - database table name.

schema - table schema.

constraints - constraints to push down to the database.

split - table split.

Returns:

prepared statement with sql. See PreparedStatement

Throws:

SQLException - JDBC database exception.