interval format is

INTERVAL '1' day
mindsdb · Aug 30, 2024 · 16ee899 · 16ee899
1 parent 7bc726a
commit 16ee899
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Showing 3 changed files with 7 additions and 4 deletions.
diff --git a/mindsdb_sql/parser/ast/select/operation.py b/mindsdb_sql/parser/ast/select/operation.py
@@ -177,7 +177,7 @@ def __init__(self, info):
         super().__init__(op='interval', args=[info, ])
 
     def get_string(self, *args, **kwargs):
-        return f'INTERVAL {repr(self.args[0])}'
+        return f'INTERVAL {self.args[0]}'
 
     def to_tree(self, *args, level=0, **kwargs):
         return self.get_string( *args, **kwargs)

diff --git a/mindsdb_sql/render/sqlalchemy_render.py b/mindsdb_sql/render/sqlalchemy_render.py
@@ -31,7 +31,10 @@ def __init__(self, info):
 
 @compiles(INTERVAL)
 def _compile_interval(element, compiler, **kw):
-    return f"INTERVAL '{element.info}'"
+    items = element.info.split(' ', maxsplit=1)
+    # quote first element
+    items[0] = f"'{items[0]}'"
+    return "INTERVAL " + " ".join(items)
 
 
 class SqlalchemyRender:

diff --git a/tests/test_parser/test_base_sql/test_misc_sql_queries.py b/tests/test_parser/test_base_sql/test_misc_sql_queries.py
@@ -235,7 +235,7 @@ def test_interval(self):
         for value in ('1 day', "'1' day", "'1 day'"):
             sql = f"""
                select interval {value} + 1 from aaa
-               where 'a' > interval "3 day 1 min"
+               where 'a' > interval "1 min"
             """
 
             expected_ast = Select(
@@ -250,7 +250,7 @@ def test_interval(self):
                     op='>',
                     args=[
                         Constant('a'),
-                        Interval('3 day 1 min'),
+                        Interval('1 min'),
                     ]
                 )
             )