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The Transformation Language
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- ABORT
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- TO_BIGINT
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- TO_TIMESTAMP_TZ
- TRUNC (Dates)
- TRUNC (Numbers)
- UPPER
- UUID4
- UUID_UNPARSE
- VARIANCE

Transformation Language Reference

10.5
- 10.5.6
- 10.5.4
- 10.5.1
- 10.4.0

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SIZE

Returns the size of the specified array or map.

Syntax

SIZE(value)

The following table describes the arguments for this command:

Argument	Required/Optional	Description
value	Required	Array or map data type. The array or map for which you want to determine the size. If you specify an array, the function returns the number of elements in the array. If you specify a map, the function returns the number of key-value pairs in the map.

Return Value

Int.

Returns -1 if the array or map is NULL.

Examples

The following expression returns the size of the array ITEM_NAME.

SIZE(ITEM_NAME)

ITEM_NAME	RETURN VALUE
[‘apples’,‘bananas’,‘oranges’]	3
[‘milk’,‘coffee’,‘tea’,‘chai’]	4
[‘cookie’,’cake’]	2
[‘croissant’,NULL]	2
NULL	-1

The following expression returns the size of the map SHIPMENT_DETAILS.

SIZE(SHIPMENT_DETAILS)

SHIPMENT_DETAILS	RETURN VALUE
[CA -> CNTR345, TX -> T234]	2
[AZ -> CNTR123, AL -> CNTR730, CA -> CNTR345]	3
[FL -> CNTR208, NULL]	2
NULL	-1

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Table of Contents

Transformation Language Reference

Transformation Language Reference

SIZE

SIZE

Syntax

Return Value

Examples