danny0405 opened a new pull request #1527: [CALCITE-3441] Remove SqlTypeExplicitPrecedenceList.COMPACT_NUMERIC_T… URL: https://github.com/apache/calcite/pull/1527 …YPES because the NULL delimiters are useless We do not need the "null" value as delimiter for the equivalence class because method Util.skip already did that. This also tweak the "needToCast" check for implicit type coercion: change the "canCast" check into an assert, that means, we should not swallow the cast when the coercion is not allowed in the type coercion matrix.
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