tech.ydb.jdbc

Interface YdbStatement

All Superinterfaces:

AutoCloseable, Statement, Wrapper

All Known Subinterfaces:

YdbPreparedStatement

All Known Implementing Classes:

BaseYdbStatement, YdbPreparedStatementImpl, YdbStatementImpl

public interface YdbStatement
extends Statement

Field Summary

Fields inherited from interface java.sql.Statement

CLOSE_ALL_RESULTS, CLOSE_CURRENT_RESULT, EXECUTE_FAILED, KEEP_CURRENT_RESULT, NO_GENERATED_KEYS, RETURN_GENERATED_KEYS, SUCCESS_NO_INFO

Method Summary

Modifier and Type	Method and Description
YdbResultSet	executeExplainQuery(String sql) Explicitly explain this query
YdbResultSet	executeQuery(String sql)
YdbResultSet	executeScanQuery(String sql) Explicitly execute query as a scan query
void	executeSchemeQuery(String sql) Explicitly execute query as a schema query
YdbConnection	getConnection()
YdbResultSet	getResultSet()
YdbResultSet	getResultSetAt(int resultSetIndex) Cant return previous results sets after Statement.getMoreResults() traverse, in case previous rows were not removed by providing Statement.CLOSE_ALL_RESULTS or Statement.CLOSE_CURRENT_RESULT

Methods inherited from interface java.sql.Statement

addBatch, cancel, clearBatch, clearWarnings, close, closeOnCompletion, execute, execute, execute, execute, executeBatch, executeLargeBatch, executeLargeUpdate, executeLargeUpdate, executeLargeUpdate, executeLargeUpdate, executeUpdate, executeUpdate, executeUpdate, executeUpdate, getFetchDirection, getFetchSize, getGeneratedKeys, getLargeMaxRows, getLargeUpdateCount, getMaxFieldSize, getMaxRows, getMoreResults, getMoreResults, getQueryTimeout, getResultSetConcurrency, getResultSetHoldability, getResultSetType, getUpdateCount, getWarnings, isClosed, isCloseOnCompletion, isPoolable, setCursorName, setEscapeProcessing, setFetchDirection, setFetchSize, setLargeMaxRows, setMaxFieldSize, setMaxRows, setPoolable, setQueryTimeout

Methods inherited from interface java.sql.Wrapper

isWrapperFor, unwrap

Method Detail

executeSchemeQuery

void executeSchemeQuery(String sql)
                 throws SQLException

Explicitly execute query as a schema query

Parameters:

sql - query (DDL) to execute

Throws:

SQLException - if query cannot be executed

executeScanQuery

YdbResultSet executeScanQuery(String sql)
                       throws SQLException

Explicitly execute query as a scan query

Parameters:

sql - query to execute

Returns:

result set

Throws:

SQLException - if query cannot be executed

executeExplainQuery

YdbResultSet executeExplainQuery(String sql)
                          throws SQLException

Explicitly explain this query

Parameters:

sql - query to explain

Returns:

result set of two string columns: YdbConst.EXPLAIN_COLUMN_AST and YdbConst.EXPLAIN_COLUMN_PLAN

Throws:

SQLException - if query cannot be explained

getResultSetAt

YdbResultSet getResultSetAt(int resultSetIndex)
                     throws SQLException

Cant return previous results sets after Statement.getMoreResults() traverse, in case previous rows were not removed by providing Statement.CLOSE_ALL_RESULTS or Statement.CLOSE_CURRENT_RESULT

Parameters:

resultSetIndex - index

Returns:

optional result (if traversed before) with Statement.getMoreResults()

Throws:

SQLException - when trying to get result set on closed connection

executeQuery

YdbResultSet executeQuery(String sql)
                   throws SQLException

Specified by:

executeQuery in interface Statement

Throws:

SQLException

getResultSet

YdbResultSet getResultSet()
                   throws SQLException

Specified by:

getResultSet in interface Statement

Throws:

SQLException

getConnection

YdbConnection getConnection()
                     throws SQLException

Specified by:

getConnection in interface Statement

Throws:

SQLException