CreateQuery multi_if_check (children 3) Identifier multi_if_check Columns definition (children 1) ExpressionList (children 4) ColumnDeclaration col1 (children 1) DataType UInt64 ColumnDeclaration col2 (children 1) DataType String ColumnDeclaration col3 (children 1) DataType String ColumnDeclaration col4 (children 1) DataType String Storage definition (children 1) Function TinyLog