databendlabs/databend

tracking: postgres-compatible number `to_char` function

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#16,524 opened on 2024年9月26日

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C-testinggood first issue

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説明

Summary #16480 https://www.postgresql.org/docs/current/functions-formatting.html

  • Data type: int8, int16, int32, int64 #16507
  • Data type: float, double #16507
  • Data type: decimal32, decimal64
  • Reuse parsed FmtCacheEntry
  • Pattern: 9/0/./,/PR/MI/PL/SG/EEEE/literal #16507
  • Pattern S/L/D/G without locale #16569
  • Locale Support
  • Pattern: RN Roman numeral (input between 1 and 3999) #19501
  • Pattern: TH or th ordinal number suffix
  • Pattern: V shift specified number of digits
  • more test
  • doc

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