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XQuery vec:base64-decode

MarkLogic 12 EA 1 Product Documentation
vec.base64Decode

vec.base64Decode(
   base64-vector as String
) as vec.vector

Summary

Returns a vector value by decoding the base64 encoded string input.

Parameters
base64-vector	The base64 binary encoded string vector to decode.

See Also

The input for this function is typically the output of: vec.base64Encode

Example

  vec.base64Decode('FYT6NiFJhGw=AwAAAA==AAAAAA==w/VIQB+Fyz+amSlA')

  => "[ 3.14, 1.59, 2.65 ]" // String representation of the decoded vector value

Example

  const base64 = vec.base64Encode(vec.vector(xdmp.toJSON(fn.doc('pronethalol.json')).xpath('/data/array-node{embedding}')))
  vec.base64Decode(base64)

  => The vector value at array node 'embedding' in document 'pronethalol.json'.

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