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<?php |
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declare(strict_types=1); |
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namespace MartinGeorgiev\Doctrine\ORM\Query\AST\Functions; |
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/** |
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* Implementation of PostgreSQL REGEXP_REPLACE(). |
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* |
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* Replaces substring(s) matching a POSIX regular expression pattern with a replacement string. |
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* |
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* @see https://www.postgresql.org/docs/17/functions-matching.html#FUNCTIONS-POSIX-REGEXP |
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* @since 2.5 |
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* |
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* @author Colin Doig |
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* @author Martin Georgiev <[email protected]> |
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* |
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* @example Using it in DQL: "SELECT REGEXP_REPLACE(e.text, 'pattern', 'replacement', 3, 2, 'i') FROM Entity e" |
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*/ |
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class RegexpReplace extends BaseVariadicFunction |
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{ |
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protected function getNodeMappingPattern(): array |
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{ |
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/* |
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* PostgreSQL overloads the 4th argument depending on its type: |
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* - if the 4th arg is a string, it’s taken as flags. |
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* - if the 4th arg is an integer, it’s taken as start position. This can be extended with the Nth argument. |
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*/ |
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return [ |
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'StringPrimary,StringPrimary,StringPrimary,ArithmeticPrimary,ArithmeticPrimary,StringPrimary', // with start, N and flags: regexp_replace(string, pattern, replacement, 3, 2, 'i') |
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'StringPrimary,StringPrimary,StringPrimary,ArithmeticPrimary,ArithmeticPrimary', // with start and N: regexp_replace(string, pattern, replacement, 3, 2) |
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'StringPrimary,StringPrimary,StringPrimary,ArithmeticPrimary', // with start: regexp_replace(string, pattern, replacement, 3) |
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'StringPrimary,StringPrimary,StringPrimary,StringPrimary', // with flags: regexp_replace(string, pattern, replacement, 'i') |
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'StringPrimary,StringPrimary,StringPrimary', // basic replacement: regexp_replace(string, pattern, replacement) |
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]; |
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} |
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protected function getFunctionName(): string |
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{ |
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return 'regexp_replace'; |
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} |
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protected function getMinArgumentCount(): int |
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{ |
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return 3; |
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} |
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protected function getMaxArgumentCount(): int |
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{ |
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return 6; |
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} |
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} |
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martin-georgiev /
postgresql-for-doctrine
