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## SQLite
Class FunctionContext

    java.lang.Object
      SQLite.FunctionContext

public class FunctionContext
extends Object

Context for execution of SQLite's user defined functions. A reference to an instance of this class is passed to user defined functions.

Field Summary
`private long` | `handle` Internal handle for the native SQLite API.

Constructor Summary
`FunctionContext()`

Method Summary
`int` | `count()` Retrieve number of rows for aggregate function.
`private static void` | `internal_init()` Internal native initializer.
`void` | `set_error(String r)` Set function result from error message.
`void` | `set_result_zeroblob(int n)` Set function result as empty blob given size.
`void` | `set_result(byte[] r)` Set function result from byte array.
`void` | `set_result(double r)` Set function result from double.
`void` | `set_result(int r)` Set function result from integer.
`void` | `set_result(String r)` Set function result from string.

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Field Detail

### handle

    private long handle

  Internal handle for the native SQLite API.

Constructor Detail

### FunctionContext

    public FunctionContext()

Method Detail

### count

    public int count()

  Retrieve number of rows for aggregate function.

### internal_init

    private static void internal_init()

  Internal native initializer.

### set_error

    public void set_error(String r)

  Set function result from error message.

  Parameters:
    `r` - result string (error message)

### set_result_zeroblob

    public void set_result_zeroblob(int n)

  Set function result as empty blob given size. Only provided by SQLite3 databases.

  Parameters:
    `n` - size for empty blob

### set_result

    public void set_result(byte[] r)

  Set function result from byte array. Only provided by SQLite3 databases.

  Parameters:
    `r` - result byte array

### set_result

    public void set_result(double r)

  Set function result from double.

  Parameters:
    `r` - result double

### set_result

    public void set_result(int r)

  Set function result from integer.

  Parameters:
    `r` - result integer

### set_result

    public void set_result(String r)

  Set function result from string.

  Parameters:
    `r` - result string

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Contact: Christian Werner