Java Doc for ResultInterface.java in  » Database-DBMS » h2database » org » h2 » result » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Database DBMS » h2database » org.h2.result 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


org.h2.result.ResultInterface

All known Subclasses:   org.h2.result.LocalResult,  org.h2.result.ResultRemote,
ResultInterface
public interface ResultInterface (Code)
The result interface is used by the LocalResult and ResultRemote class. A result may contain rows, or just an update count.




Method Summary
 voidclose()
    
 Value[]currentRow()
     Get the current row.
 StringgetAlias(int i)
     Get the column alias name for the column.
 StringgetColumnName(int i)
     Get the column name.
 longgetColumnPrecision(int i)
     Get the precision for this column.
 intgetColumnScale(int i)
     Get the scale for this column.
 intgetColumnType(int i)
     Get the column data type.
 intgetDisplaySize(int i)
     Get the display size for this column.
 intgetNullable(int i)
     Check if this column is nullable.
 intgetRowCount()
     Get the number of rows in this object.
 intgetRowId()
     Get the current row id, starting with 0.
 StringgetSchemaName(int i)
     Get the schema name for the column, if one exists.
 StringgetTableName(int i)
     Get the table name for the column, if one exists.
 intgetUpdateCount()
     Get the update count for this result.
 intgetVisibleColumnCount()
     Get the number of visible columns.
 booleanisAutoIncrement(int i)
     Check if this is an auto-increment column.
 booleanisUpdateCount()
     Check if this result is in fact an update count.
 booleannext()
     Go to the next row.
 voidreset()
     Go to the beginning of the result, that means before the first row.



Method Detail
close
void close()(Code)
Close the result and delete any temporary files


currentRow
Value[] currentRow()(Code)
Get the current row. the row


getAlias
String getAlias(int i)(Code)
Get the column alias name for the column.
Parameters:
  i - the column number (starting with 0) the alias name


getColumnName
String getColumnName(int i)(Code)
Get the column name.
Parameters:
  i - the column number (starting with 0) the column name


getColumnPrecision
long getColumnPrecision(int i)(Code)
Get the precision for this column.
Parameters:
  i - the column number (starting with 0) the precision


getColumnScale
int getColumnScale(int i)(Code)
Get the scale for this column.
Parameters:
  i - the column number (starting with 0) the scale


getColumnType
int getColumnType(int i)(Code)
Get the column data type.
Parameters:
  i - the column number (starting with 0) the column data type


getDisplaySize
int getDisplaySize(int i)(Code)
Get the display size for this column.
Parameters:
  i - the column number (starting with 0) the display size


getNullable
int getNullable(int i)(Code)
Check if this column is nullable.
Parameters:
  i - the column number (starting with 0) Column.NULLABLE_*


getRowCount
int getRowCount()(Code)
Get the number of rows in this object. the number of rows


getRowId
int getRowId()(Code)
Get the current row id, starting with 0. -1 is returned when next() was not called yet. the row id


getSchemaName
String getSchemaName(int i)(Code)
Get the schema name for the column, if one exists.
Parameters:
  i - the column number (starting with 0) the schema name or null


getTableName
String getTableName(int i)(Code)
Get the table name for the column, if one exists.
Parameters:
  i - the column number (starting with 0) the table name or null


getUpdateCount
int getUpdateCount()(Code)
Get the update count for this result. the update count


getVisibleColumnCount
int getVisibleColumnCount()(Code)
Get the number of visible columns. More columns may exist internally for sorting or grouping. the number of columns


isAutoIncrement
boolean isAutoIncrement(int i)(Code)
Check if this is an auto-increment column.
Parameters:
  i - the column number (starting with 0) true for auto-increment columns


isUpdateCount
boolean isUpdateCount()(Code)
Check if this result is in fact an update count. if it is an update count


next
boolean next() throws SQLException(Code)
Go to the next row. true if a row exists


reset
void reset() throws SQLException(Code)
Go to the beginning of the result, that means before the first row.


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