tech.ydb.table.result

Interface ResultSetReader

public interface ResultSetReader

Author:

Sergey Polovko

Method Summary

Modifier and Type	Method and Description
ValueReader	getColumn(int index) Returns value reader for column by index.
ValueReader	getColumn(String name) Returns value reader for column by name.
int	getColumnCount() Returns number of columns.
int	getColumnIndex(String name) Returns column index by name or -1 if column with given name is not present.
String	getColumnName(int index) Returns column name by index.
Type	getColumnType(int index) Returns column type by index (always create a new type instance)
int	getRowCount() Returns number of rows.
boolean	isTruncated() Returns true if the result was truncated, false otherwise.
boolean	next() Set iterator to the next table row.
void	setRowIndex(int index) Explicitly switch to a specific row.

Method Detail

isTruncated

boolean isTruncated()

Returns true if the result was truncated, false otherwise.

getColumnCount

int getColumnCount()

Returns number of columns.

getRowCount

int getRowCount()

Returns number of rows.

setRowIndex

void setRowIndex(int index)

Explicitly switch to a specific row.

next

boolean next()

Set iterator to the next table row. On success tryNextRow will reset all column parsers to the values in next row. Column parsers are invalid before the first TryNextRow call.

getColumnName

String getColumnName(int index)

Returns column name by index.

getColumnIndex

int getColumnIndex(String name)

Returns column index by name or -1 if column with given name is not present.

getColumn

ValueReader getColumn(int index)

Returns value reader for column by index.

getColumn

ValueReader getColumn(String name)

Returns value reader for column by name.

getColumnType

Type getColumnType(int index)

Returns column type by index (always create a new type instance)