CreateQuery tab (children 3) Identifier tab Columns definition (children 2) ExpressionList (children 3) ColumnDeclaration id (children 1) DataType UInt32 ColumnDeclaration key (children 1) DataType String ColumnDeclaration value (children 1) DataType String ExpressionList (children 1) Index (children 2) Identifier key Function text (children 1) ExpressionList (children 1) Function equals (children 1) ExpressionList (children 2) Identifier tokenizer Literal \'splitByNonAlpha\' Storage definition (children 2) Function ReplacingMergeTree (children 1) ExpressionList Identifier id