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ALTER ANALYZER statement

The ALTER ANALYZER statement can be used to modify an existing defined analyzer.

Statement syntax

SurrealQL Syntax

ALTER ANALYZER [ IF EXISTS ] @name
  [ FUNCTION fn::@function | DROP FUNCTION ]
  [ TOKENIZERS @tokenizer, ... | DROP TOKENIZERS ]
  [ FILTERS @filter, ... | DROP FILTERS ]
  [ COMMENT @string | DROP COMMENT ]

Example usage

-- Define an analyzer
DEFINE ANALYZER example_edgengram TOKENIZERS class FILTERS edgengram(1,3);

-- Shorten the edgengram
ALTER ANALYZER example_edgengram FILTERS edgengram(1,2);

-- Check the output
search::analyze("example_edgengram", "Apple banana!!");

Output

[
	'A',
	'Ap',
	'b',
	'ba',
	'!',
	'!!'
]

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