Map Functions

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map

Returns an empty map.

Supported Signatures

function map(array<$4>, array<$5>) returns map<$4, $5>
function map() returns map<unknown, unknown>

🔗 Official Documentation

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map_concat

Returns the union of all the given maps. If a key is found in multiple given maps, that key’s value in the resulting map comes from the last one of those maps.

Supported Signatures

function map_concat(map<$4, $5>, ...) returns map<$4, $5>

🔗 Official Documentation

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map_entries

Returns an array of all entries in the given map.

Supported Signatures

function map_entries(map<$4, $5>) returns array<row(c0 $4, c1 $5)>

🔗 Official Documentation

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map_filter

Constructs a map from those entries of map for which function returns true.

Supported Signatures

function map_filter(map<$4, $5>, function($4, $5, boolean)) returns map<$4, $5>

🔗 Official Documentation

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map_from_entries

Returns a map created from the given array of entries.

Supported Signatures

function map_from_entries(array<row(c0 $4, c1 $5)>) returns map<$4, $5>

🔗 Official Documentation

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map_keys

Returns all the keys in the map x.

Supported Signatures

function map_keys(map<$4, $5>) returns array<$4>

🔗 Official Documentation

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map_values

Returns all the values in the map x.

Supported Signatures

function map_values(map<$4, $5>) returns array<$5>

🔗 Official Documentation

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map_zip_with

Merges the two given maps into a single map by applying function to the pair of values with the same key. For keys only presented in one map, NULL will be passed as the value for the missing key.

Supported Signatures

function map_zip_with(map<$4, $8>, map<$4, $7>, function($4, $8, $7, $6)) returns map<$4, $6>

🔗 Official Documentation

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multimap_from_entries

Returns a multimap created from the given array of entries. Each key can be associated with multiple values.

Supported Signatures

function multimap_from_entries(array<row(c0 $4, c1 $5)>) returns map<$4, array<$5>>

🔗 Official Documentation

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transform_keys

Returns a map that applies function to each entry of map and transforms the keys.

Supported Signatures

function transform_keys(map<$13, $5>, function($13, $5, $12)) returns map<$12, $5>

🔗 Official Documentation

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transform_values

Returns a map that applies function to each entry of map and transforms the values.

Supported Signatures

function transform_values(map<$4, $8>, function($4, $8, $7)) returns map<$4, $7>

🔗 Official Documentation