CreateQuery sqllt table (children 4) Identifier sqllt Identifier table Columns definition (children 1) ExpressionList (children 2) ColumnDeclaration i (children 1) DataType UInt8 ColumnDeclaration s (children 1) DataType String Storage definition (children 3) Function MergeTree Function tuple (children 1) ExpressionList Function tuple (children 1) ExpressionList