fix: add unit test for coverage

src/sqlfmt/comment.py

@@ -27,7 +27,7 @@ def __str__(self) -> str:
         if (
             self.is_multiline
             or self.formatting_disabled
-            or self.is_databricks_type_hint
+            or self.is_databricks_query_hint
         ):
             return self.token.token
         else:
@@ -90,7 +90,7 @@ def is_c_style(self) -> bool:
         return self.token.token.startswith("/*")
 
     @property
-    def is_databricks_type_hint(self) -> bool:
+    def is_databricks_query_hint(self) -> bool:
         return self.token.token.startswith("/*+")
 
     @property

src/sqlfmt/merger.py

@@ -78,7 +78,7 @@ def _extract_components(
                         "Can't merge lines with inline comments and other comments"
                     )
                 elif any(
-                    [comment.is_databricks_type_hint for comment in line.comments]
+                    [comment.is_databricks_query_hint for comment in line.comments]
                 ):
                     raise CannotMergeException(
                         "Can't merge lines with a databricks type hint comment"

tests/data/unit_tests/test_merger/test_no_merge_databricks_query_hints.sql

@@ -0,0 +1,5 @@
+select /*+ my query hint */
+    1
+)))))__SQLFMT_OUTPUT__(((((
+select
+    1

tests/unit_tests/test_comment.py

@@ -2,6 +2,7 @@
 
 import pytest
 from sqlfmt.comment import Comment
+from sqlfmt.node import Node
 from sqlfmt.node_manager import NodeManager
 from sqlfmt.token import Token, TokenType
 
@@ -60,6 +61,30 @@ def multiline_comment() -> Comment:
     return comment
 
 
+@pytest.fixture
+def datbricks_query_hint_comment() -> Comment:
+    n = Node(
+        Token(
+            type=TokenType.UNTERM_KEYWORD,
+            prefix="",
+            token="select",
+            spos=0,
+            epos=6,
+        ),
+        previous_node=None,
+        prefix="",
+        value="select",
+        open_brackets=[],
+        open_jinja_blocks=[],
+        formatting_disabled=[],
+    )
+    t = Token(
+        type=TokenType.COMMENT, prefix=" ", token="/*+ hint here */", spos=6, epos=23
+    )
+    comment = Comment(t, is_standalone=False, previous_node=n)
+    return comment
+
+
 @pytest.fixture
 def fmt_disabled_comment() -> Comment:
     t = Token(type=TokenType.FMT_OFF, prefix="", token="--fmt: off", spos=0, epos=10)
@@ -81,11 +106,13 @@ def test_get_marker(
     short_mysql_comment: Comment,
     nospace_comment: Comment,
     short_js_comment: Comment,
+    datbricks_query_hint_comment: Comment,
 ) -> None:
     assert short_comment._get_marker() == ("--", 3)
     assert short_mysql_comment._get_marker() == ("#", 2)
     assert short_js_comment._get_marker() == ("//", 3)
     assert nospace_comment._get_marker() == ("--", 2)
+    assert datbricks_query_hint_comment._get_marker() == ("/*", 2)
 
 
 def test_comment_parts(
@@ -210,3 +237,7 @@ def test_no_wrap_long_jinja_comments() -> None:
     rendered = comment.render_standalone(88, "")
 
     assert rendered == comment_str + "\n"
+
+
+def test_no_add_space_databricks_hint(datbricks_query_hint_comment: Comment) -> None:
+    assert str(datbricks_query_hint_comment) == datbricks_query_hint_comment.token.token

tests/unit_tests/test_merger.py

@@ -560,3 +560,15 @@ def test_do_not_merge_operator_sequences_across_commas(merger: LineMerger) -> No
     merged_lines = merger.maybe_merge_lines(raw_query.lines)
     result_string = "".join([str(line) for line in merged_lines])
     assert result_string == expected_string
+
+
+def test_do_not_merge_databricks_query_hints(merger: LineMerger) -> None:
+    source_string, expected_string = read_test_data(
+        "unit_tests/test_merger/test_no_merge_databricks_query_hints.sql"
+    )
+    raw_query = merger.mode.dialect.initialize_analyzer(
+        merger.mode.line_length
+    ).parse_query(source_string)
+    merged_lines = merger.maybe_merge_lines(raw_query.lines)
+    result_string = "".join([str(line) for line in merged_lines])
+    assert result_string == expected_string