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Description

Converts a map to a URL query string (key1=value1&key2=value2)

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Syntax

MapToQueryString(map_expression)

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Arguments

map_expression (map) - The map to convert to a query string.

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Examples

MapToQueryString(TOMAP('k1','v1','k2','v2'))returns k1=v1&k2=v2

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Return value datatype

The function returns a string

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Impact of null value

If the map_expression is null, null is returned.
Last modified on April 20, 2026