Feat(mysql,doris): improve transpilation of INTERVAL (plural to singu…

…lar) (#3543) * Feat(bigquery,presto): improve transpilation of INTERVAL (plural to singular) * Feat(bigquery,presto): improve transpilation of INTERVAL (plural to singular) * Feat(bigquery,presto): improve transpilation of INTERVAL (plural to singular)
tobymao · May 24, 2024 · 078471d · 078471d
1 parent 59de4f6
commit 078471d
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diff --git a/sqlglot/dialects/mysql.py b/sqlglot/dialects/mysql.py
@@ -670,6 +670,7 @@ def concat_exprs(
             return self.expression(exp.GroupConcat, this=this, separator=separator)
 
     class Generator(generator.Generator):
+        INTERVAL_ALLOWS_PLURAL_FORM = False
         LOCKING_READS_SUPPORTED = True
         NULL_ORDERING_SUPPORTED = None
         JOIN_HINTS = False

diff --git a/tests/dialects/test_presto.py b/tests/dialects/test_presto.py
@@ -210,6 +210,8 @@ def test_interval_plural_to_singular(self):
                     "bigquery": f"SELECT INTERVAL '1' {expected}",
                     "presto": f"SELECT INTERVAL '1' {expected}",
                     "trino": f"SELECT INTERVAL '1' {expected}",
+                    "mysql": f"SELECT INTERVAL '1' {expected}",
+                    "doris": f"SELECT INTERVAL '1' {expected}",
                 },
             )