Add line breaks for ON CLUSTER and ALTER clauses in beautify mode (#251)

---------

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

@@ -211,11 +211,11 @@ func (a *AlterTable) FormatSQL(formatter *Formatter) {
 	formatter.WriteString("ALTER TABLE ")
 	formatter.WriteExpr(a.TableIdentifier)
 	if a.OnCluster != nil {
-		formatter.WriteByte(whitespace)
+		formatter.Break()
 		formatter.WriteExpr(a.OnCluster)
 	}
 	for i, expr := range a.AlterExprs {
-		formatter.WriteByte(whitespace)
+		formatter.Break()
 		formatter.WriteExpr(expr)
 		if i != len(a.AlterExprs)-1 {
 			formatter.WriteString(",")

parser/testdata/ddl/format/beautify/alter_table_add_column.sql

@@ -3,6 +3,8 @@ ALTER TABLE test.events_local ON CLUSTER 'default_cluster' ADD COLUMN f1 String
 
 
 -- Beautify SQL:
-ALTER TABLE test.events_local ON CLUSTER 'default_cluster' ADD COLUMN f1 String AFTER f0
+ALTER TABLE test.events_local
+ON CLUSTER 'default_cluster'
+ADD COLUMN f1 String AFTER f0
 SETTINGS
   alter_sync=2;

parser/testdata/ddl/format/beautify/alter_table_add_index.sql

@@ -7,8 +7,18 @@ ALTER TABLE test.events_local ON CLUSTER 'default_cluster' ADD INDEX output_idx
 
 
 -- Beautify SQL:
-ALTER TABLE test.events_local ON CLUSTER 'default_cluster' ADD INDEX my_index(f0) TYPE minmax GRANULARITY 1024;
-ALTER TABLE test.events_local ON CLUSTER 'default_cluster' ADD INDEX api_id_idx api_id TYPE set(100) GRANULARITY 2;
-ALTER TABLE test.events_local ON CLUSTER 'default_cluster' ADD INDEX arr_idx arr TYPE bloom_filter(0.01) GRANULARITY 3;
-ALTER TABLE test.events_local ON CLUSTER 'default_cluster' ADD INDEX content_idx content TYPE tokenbf_v1(30720, 2, 0) GRANULARITY 1;
-ALTER TABLE test.events_local ON CLUSTER 'default_cluster' ADD INDEX output_idx output TYPE ngrambf_v1(3, 10000, 2, 1) GRANULARITY 2;
+ALTER TABLE test.events_local
+ON CLUSTER 'default_cluster'
+ADD INDEX my_index(f0) TYPE minmax GRANULARITY 1024;
+ALTER TABLE test.events_local
+ON CLUSTER 'default_cluster'
+ADD INDEX api_id_idx api_id TYPE set(100) GRANULARITY 2;
+ALTER TABLE test.events_local
+ON CLUSTER 'default_cluster'
+ADD INDEX arr_idx arr TYPE bloom_filter(0.01) GRANULARITY 3;
+ALTER TABLE test.events_local
+ON CLUSTER 'default_cluster'
+ADD INDEX content_idx content TYPE tokenbf_v1(30720, 2, 0) GRANULARITY 1;
+ALTER TABLE test.events_local
+ON CLUSTER 'default_cluster'
+ADD INDEX output_idx output TYPE ngrambf_v1(3, 10000, 2, 1) GRANULARITY 2;

parser/testdata/ddl/format/beautify/alter_table_add_projection.sql

@@ -5,5 +5,6 @@ ADD PROJECTION  IF NOT EXISTS user_name_projection
 
 
 -- Beautify SQL:
-ALTER TABLE visits_order ADD PROJECTION IF NOT EXISTS user_name_projection (SELECT * GROUP BY
+ALTER TABLE visits_order
+ADD PROJECTION IF NOT EXISTS user_name_projection (SELECT * GROUP BY
   user_name ORDER BY user_name) AFTER a.user_id;

parser/testdata/ddl/format/beautify/alter_table_attach_partition.sql

@@ -6,6 +6,9 @@ ALTER TABLE test ATTACH PARTITION ID '20210114';
 
 
 -- Beautify SQL:
-ALTER TABLE test ATTACH PARTITION '20210114';
-ALTER TABLE test ATTACH PARTITION '20210114' FROM test1;
-ALTER TABLE test ATTACH PARTITION '20210114';
+ALTER TABLE test
+ATTACH PARTITION '20210114';
+ALTER TABLE test
+ATTACH PARTITION '20210114' FROM test1;
+ALTER TABLE test
+ATTACH PARTITION '20210114';

parser/testdata/ddl/format/beautify/alter_table_clear_column.sql

@@ -2,4 +2,5 @@
 ALTER TABLE my_table CLEAR COLUMN my_column_name IN PARTITION partition_name;
 
 -- Beautify SQL:
-ALTER TABLE my_table CLEAR COLUMN my_column_name IN PARTITION partition_name;
+ALTER TABLE my_table
+CLEAR COLUMN my_column_name IN PARTITION partition_name;

parser/testdata/ddl/format/beautify/alter_table_clear_index.sql

@@ -2,4 +2,5 @@
 ALTER TABLE my_table CLEAR INDEX my_index_name IN PARTITION partition_name;
 
 -- Beautify SQL:
-ALTER TABLE my_table CLEAR INDEX my_index_name IN PARTITION partition_name;
+ALTER TABLE my_table
+CLEAR INDEX my_index_name IN PARTITION partition_name;

parser/testdata/ddl/format/beautify/alter_table_clear_projection.sql

@@ -2,4 +2,5 @@
 ALTER TABLE my_table CLEAR PROJECTION hello IN PARTITION partition_name;
 
 -- Beautify SQL:
-ALTER TABLE my_table CLEAR PROJECTION hello IN PARTITION partition_name;
+ALTER TABLE my_table
+CLEAR PROJECTION hello IN PARTITION partition_name;

parser/testdata/ddl/format/beautify/alter_table_delete.sql

@@ -3,4 +3,5 @@ ALTER TABLE test.events DELETE WHERE created_at < '2023-01-01';
 
 
 -- Beautify SQL:
-ALTER TABLE test.events DELETE WHERE created_at < '2023-01-01';
+ALTER TABLE test.events
+DELETE WHERE created_at < '2023-01-01';

parser/testdata/ddl/format/beautify/alter_table_delete_with_cluster.sql

@@ -3,6 +3,8 @@ ALTER TABLE test.events ON CLUSTER 'default_cluster' DELETE WHERE id = 123 AND s
 
 
 -- Beautify SQL:
-ALTER TABLE test.events ON CLUSTER 'default_cluster' DELETE WHERE id = 123
+ALTER TABLE test.events
+ON CLUSTER 'default_cluster'
+DELETE WHERE id = 123
 AND
   status = 'deleted';