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Non-decimal integer literals

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Add support for hexadecimal, octal, and binary integer literals:

    0x42F
    0o273
    0b100101

per SQL:202x draft.

This adds support in the lexer as well as in the integer type input
functions.

Reviewed-by: John Naylor <john.naylor@enterprisedb.com>
Reviewed-by: Zhihong Yu <zyu@yugabyte.com>
Reviewed-by: David Rowley <dgrowleyml@gmail.com>
Reviewed-by: Dean Rasheed <dean.a.rasheed@gmail.com>
Discussion: https://www.postgresql.org/message-id/flat/b239564c-cad0-b23e-c57e-166d883cb97d@enterprisedb.com
This commit is contained in:
Peter Eisentraut
2022-12-14 05:40:38 +01:00
parent 60684dd834
commit 6fcda9aba8
16 changed files with 1022 additions and 112 deletions
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1
src/backend/catalog/sql_features.txt
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@@ -527,6 +527,7 @@ T652 SQL-dynamic statements in SQL routines NO
T653 SQL-schema statements in external routines YES
T654 SQL-dynamic statements in external routines NO
T655 Cyclically dependent routines YES
T661 Non-decimal integer literals YES SQL:202x draft
T811 Basic SQL/JSON constructor functions NO
T812 SQL/JSON: JSON_OBJECTAGG NO
T813 SQL/JSON: JSON_ARRAYAGG with ORDER BY NO