CreateQuery tab (children 3) Identifier tab Columns definition (children 2) ExpressionList (children 1) ColumnDeclaration str (children 1) DataType String ExpressionList (children 1) Index (children 2) Identifier str Function text (children 1) ExpressionList (children 2) Function equals (children 1) ExpressionList (children 2) Identifier tokenizer Literal \'splitByNonAlpha\' Function equals (children 1) ExpressionList (children 2) Identifier dictionary_block_frontcoding_compression Literal Int64_-1 Storage definition (children 2) Function MergeTree Function tuple (children 1) ExpressionList