VECTOR_DIMENSION

Syntax

Description of the illustration vector_dimension_format.eps

Purpose

VECTOR_DIMENSION_FORMAT returns the storage format of the vector. It returns a VARCHAR2, which can be one of the following values: INT8, FLOAT32, or FLOAT64.

See Also:

Vector Functions

Parameters

expr must evaluate to a vector.

If expr is NULL, NULL is returned.

Examples

SELECT VECTOR_DIMENSION_FORMAT(TO_VECTOR('[34.6, 77.8]', 2, FLOAT64));
FLOAT64

SELECT VECTOR_DIMENSION_FORMAT(TO_VECTOR('[34.6, 77.8, 9]', 3, FLOAT32));
FLOAT32

SELECT VECTOR_DIMENSION_FORMAT(TO_VECTOR('[34.6, 77.8, 9, 10]', 3, INT8));
SELECT VECTOR_DIMENSION_FORMAT(TO_VECTOR('[34.6, 77.8, 9, 10]', 3, INT8))                           
                                                                        *
ERROR at line 1:
ORA-51803: Vector dimension count must match the dimension count specified inthe column definition (actual: 4, required: 3).

SELECT VECTOR_DIMENSION_FORMAT(TO_VECTOR('[34.6, 77.8, 9.10]', 3, INT8));
VECTOR_DIMENSION_FORMAT(TO_VECTOR('[34.6,77.8,9.10
--------------------------------------------------
INT8

SELECT TO_VECTOR('[34.6, 77.8, 9.10]', 3, INT8);
TO_VECTOR('[34.6,77.8,9.10]',3,INT8)
---------------------------------------------------
[3.5E+001,7.8E+001,9.0E+000]