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BTRIM function, octal and binary literals and other changes #3811

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Merged
merged 8 commits into from
Jun 5, 2023
Merged

BTRIM function, octal and binary literals and other changes #3811

merged 8 commits into from
Jun 5, 2023

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@katzyn
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@katzyn katzyn commented Jun 4, 2023

  1. Parser is now able to parse multiple PostgreSQL-style casts (expression::dataType1::dataType2) and multiple array element references (array[index1][index2]).
  2. Comparison operations between different numeric data types don't create intermediate values any more. Casts between numeric data types and character strings are now able to handle values larger than limits of these numeric data types, closes In comparison text values are converted to INT even when they should be converted to BIGINT #352.
  3. GREATEST, LEAST, LPAD and RPAD functions are now part of the SQL standard, vendor-specific mark from documentation is removed. Implementations of LPAD and RPAD now can use non-BMP characters for padding, but length still needs to be specified in UTF-16 characters.
  4. LTRIM, RTRIM, and BTRIM functions are now part of the SQL Standard and they support multiple trimmed characters in the Standard. Implementations of LTRIM and RTRIM are enhanced to support multiple characters, a new BTRIM function is introduced. Implementations of all these functions and TRIM function are also improved to support non-BMP characters.
  5. Standard now has hexadecimal, octal, and binary literals for integer values. Hexadecimal literals were already supported and tokenizer is improved to support octal and binary literals.

@katzyn katzyn merged commit ed4fcb1 into h2database:master Jun 5, 2023
@katzyn katzyn deleted the misc branch June 5, 2023 14:13
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In comparison text values are converted to INT even when they should be converted to BIGINT

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@katzyn