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added support for decimal values without leading digits #794

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Oct 25, 2024
Merged

added support for decimal values without leading digits #794

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2 changes: 1 addition & 1 deletion src/lexer/Tokenizer.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -51,7 +51,7 @@ export default class Tokenizer {
{
type: TokenType.NUMBER,
regex:
/(?:0x[0-9a-fA-F]+|0b[01]+|(?:-\s*)?[0-9]+(?:\.[0-9]*)?(?:[eE][-+]?[0-9]+(?:\.[0-9]+)?)?)(?![\w\p{Alphabetic}])/uy,
/(?:0x[0-9a-fA-F]+|0b[01]+|(?:-\s*)?(?:[0-9]*\.[0-9]+|[0-9]+(?:\.[0-9]*)?)(?:[eE][-+]?[0-9]+(?:\.[0-9]+)?)?)(?![\w\p{Alphabetic}])/uy,
},
// RESERVED_PHRASE is matched before all other keyword tokens
// to e.g. prioritize matching "TIMESTAMP WITH TIME ZONE" phrase over "WITH" clause.
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15 changes: 15 additions & 0 deletions test/behavesLikeSqlFormatter.ts
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Expand Up @@ -279,4 +279,19 @@ export default function behavesLikeSqlFormatter(format: FormatFn) {
tbl;
`);
});

it('supports decimal values without leading digits', () => {
const result = format(`
SELECT employee_id FROM employees WHERE salary > .456 * 1000000 AND bonus < .0000239 * salary;
`);
expect(result).toBe(dedent`
SELECT
employee_id
FROM
employees
WHERE
salary > .456 * 1000000
AND bonus < .0000239 * salary;
`);
});
}