Add line break before column list in INSERT INTO formatting (#246)

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: git-hulk <4987594+git-hulk@users.noreply.github.com>

Author: Copilot

parser/format.go

@@ -1579,8 +1579,10 @@ func (i *InsertStmt) FormatSQL(formatter *Formatter) {
 	}
 	formatter.WriteExpr(i.Table)
 	if i.ColumnNames != nil {
-		formatter.WriteByte(whitespace)
+		formatter.Break()
+		formatter.Indent()
 		formatter.WriteExpr(i.ColumnNames)
+		formatter.Dedent()
 	}
 	if i.Format != nil {
 		formatter.WriteByte(whitespace)

parser/testdata/dml/format/beautify/insert_select_without_from.sql

@@ -4,7 +4,8 @@ INSERT INTO t (c) SELECT 1 WHERE 1 = 1;
 
 
 -- Beautify SQL:
-INSERT INTO t (c)
+INSERT INTO t
+  (c)
 SELECT
   1
 WHERE

parser/testdata/dml/format/beautify/insert_values.sql

@@ -6,7 +6,8 @@ INSERT INTO helloworld.my_first_table (user_id, message, timestamp, metric) VALU
     (101, 'Granules are the smallest chunks of data read',      now() + 5,   3.14159 )
 
 -- Beautify SQL:
-INSERT INTO helloworld.my_first_table (user_id, message, timestamp, metric)
+INSERT INTO helloworld.my_first_table
+  (user_id, message, timestamp, metric)
 VALUES
   (101, 'Hello, ClickHouse!', now(), -1.0),
   (102, 'Insert a lot of rows per batch', yesterday(), 1.41421),

parser/testdata/dml/format/beautify/insert_with_format.sql

@@ -6,10 +6,13 @@ INSERT INTO table_name (col1, col2) VALUES (1, 2) FORMAT Native;
 
 -- Beautify SQL:
 INSERT INTO `_test_1345# $.ДБ`.`2. Таблица №2`;
-INSERT INTO "db"."table_name" (col1, col2)
+INSERT INTO "db"."table_name"
+  (col1, col2)
 VALUES
   (1, 2);
-INSERT INTO `_test_1345# $.ДБ`.`2. Таблица №2` (col1, col2);
-INSERT INTO table_name (col1, col2)
+INSERT INTO `_test_1345# $.ДБ`.`2. Таблица №2`
+  (col1, col2);
+INSERT INTO table_name
+  (col1, col2)
 VALUES
   (1, 2);

parser/testdata/dml/format/beautify/insert_with_keyword_placeholder.sql

@@ -4,6 +4,7 @@ INSERT INTO t (c) VALUES ({name :String});
 
 
 -- Beautify SQL:
-INSERT INTO t (c)
+INSERT INTO t
+  (c)
 VALUES
   ({name:String});

parser/testdata/dml/format/beautify/insert_with_placeholder.sql

@@ -10,12 +10,14 @@ INSERT INTO test_with_typed_columns (id, created_at)
 VALUES ({id: Int32}, {created_at: DateTime64(6)});
 
 -- Beautify SQL:
-INSERT INTO t0 (user_id, message, timestamp, metric)
+INSERT INTO t0
+  (user_id, message, timestamp, metric)
 VALUES
   (?, ?, ?, ?),
   (?, ?, ?, ?),
   (?, ?, ?, ?),
   (?, ?, ?, ?);
-INSERT INTO test_with_typed_columns (id, created_at)
+INSERT INTO test_with_typed_columns
+  (id, created_at)
 VALUES
   ({id:Int32}, {created_at:DateTime64(6)});