fix: handle empty delimiter in split_part (closes #20503) (#20542)#88
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LiaCastaneda merged 1 commit intobranch-52from Mar 3, 2026
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…he#20542) - Closes apache#20503 `split_part` did not handle empty delimiters in a PostgreSQL-compatible way (`split("")` in Rust creates leading/trailing empty fields). This could return unexpected results for positions like `1` / `-1` and out-of-range values. This PR aligns behavior with Postgres semantics for empty delimiters. Small change in how we treat the 1, -1 Indeed! Yes, behavior is now more consistent with PostgreSQL for `split_part(str, '', n)`. No API changes. (cherry picked from commit 3ab1301)
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gabotechs
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Cherry picks apache#20503 (This made it to the v53 release)