CreateQuery test_max_mt_projections_alter (children 3)
 Identifier test_max_mt_projections_alter
 Columns definition (children 1)
  ExpressionList (children 3)
   ColumnDeclaration c1 (children 1)
    DataType UInt32
   ColumnDeclaration c2 (children 1)
    DataType UInt32
   ColumnDeclaration c3 (children 1)
    DataType UInt32
 Storage definition (children 3)
  Function MergeTree
  Identifier c1
  Set
