CreateQuery elog_cut (children 3) Identifier elog_cut Columns definition (children 1) ExpressionList (children 9) ColumnDeclaration date (children 2) DataType Date Function toDate (children 1) ExpressionList (children 1) Identifier uts ColumnDeclaration uts (children 1) DataType DateTime ColumnDeclaration pr (children 1) DataType UInt64 ColumnDeclaration ya_uid (children 1) DataType UInt64 ColumnDeclaration adf_uid (children 1) DataType UInt64 ColumnDeclaration owner_id (children 1) DataType UInt32 ColumnDeclaration eff_uid (children 2) DataType UInt64 Function if (children 1) ExpressionList (children 3) Function notEquals (children 1) ExpressionList (children 2) Identifier adf_uid Literal UInt64_0 Identifier adf_uid Identifier ya_uid ColumnDeclaration page_session (children 2) DataType UInt64 Function cityHash64 (children 1) ExpressionList (children 2) Identifier eff_uid Identifier pr ColumnDeclaration sample_key (children 2) DataType UInt64 Identifier page_session Storage definition (children 1) Function MergeTree (children 1) ExpressionList (children 4) Identifier date Function cityHash64 (children 1) ExpressionList (children 3) Identifier adf_uid Identifier ya_uid Identifier pr Function tuple (children 1) ExpressionList (children 3) Identifier owner_id Identifier date Function cityHash64 (children 1) ExpressionList (children 3) Identifier adf_uid Identifier ya_uid Identifier pr Literal UInt64_8192