16.20 - NGramSplitter構文 - Teradata Vantage NewSQL Engine

Teradata Vantage™ - NewSQL Engineの分析関数

prodname
Teradata Database
Teradata Vantage NewSQL Engine
vrm_release
16.20
category
プログラミング リファレンス
featnum
B035-1206-162K-JPN
SELECT * FROM NGramSplitter (
  ON { table | view | (query) }
  USING
  TextColumn ('text_column')
  [ Delimiter ('delimiter_character...') ]
  Grams ({ gram_number | 'value_range' }[,...])
  [ OverLapping({'true'|'t'|'yes'|'y'|'1'|'false'|'f'|'no'|'n'|'0'}) ]
  [ ConvertToLowerCase ({'true'|'t'|'yes'|'y'|'1'|'false'|'f'|'no'|'n'|'0'}) ]
  [ Punctuation ('punctuation_character...') ]
  [ Reset ('reset_character...') ]
  [ OutputTotalGramCount ({'true'|'t'|'yes'|'y'|'1'|'false'|'f'|'no'|'n'|'0'}) ]
  [ TotalCountColName ('total_count_column') ]
  [ Accumulate ({ 'accumulate_column' | accumulate_column_range }[,...]) ]
  [ NGramColName ('ngram_column') ]
  [ GramLengthColName ('gram_length_column') ]
  [ FrequencyColName ('frequency_column') ]
) AS alias;