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  • PostgreSQL Prerequisite

    The Ranger database user in Amazon RDS PostgreSQL Server should be created before installing Ranger and should be granted an existing role which must have the role CREATEDB. Usi...
  • Using Cypher in a CTE Expression

    867 2024-06-24 《Apache AGE 0.6.0》
    There are no restrictions to using Cypher with CTEs (Common Table Expressions ). Query: WITH graph_query as ( SELECT * FROM cypher ( 'graph_name' , $$ ...
  • Using Cypher in a Join expression

    863 2024-06-24 《Apache AGE 0.6.0》
    A Cypher query can be part of a JOIN clause. Developers Note Cypher queries using the CREATE , SET , REMOVE clauses cannot be used in sql queries with JOINs , as...
  • REMOVE

    858 2024-06-24 《Apache AGE 0.6.0》
    Terminal REMOVE clauses Remove a property The REMOVE clause is used to remove properties from vertex and edges. Terminal REMOVE clauses A REMOVE clause that is not followed ...
  • User defined functions

    827 2024-06-24 《Apache AGE 0.6.0》
    Users may add custom functions to AGE. When using Cypher functions, all function calls with a Cypher query use the default namespace of: ag_catalog . However if a user wants to us...
  • SKIP

    821 2024-06-24 《Apache AGE 0.6.0》
    Introduction Skip first three rows Return middle two rows Using an expression with SKIP to return a subset of the rows SKIP defines from which record to start including the r...
  • Numeric Functions

    818 2024-06-24 《Apache AGE 0.6.0》
    rand abs ceil floor round sign rand rand() returns a random floating point number in the range from 0 (inclusive) to 1 (exclusive); i.e.[0,1). The numbers returned follow ...
  • Predicate Functions

    818 2024-06-24 《Apache AGE 0.6.0》
    Exists(Property) Exists(Path) Predicates are boolean functions that return true or false for a given set of input. They are most commonly used to filter out subgraphs in the WHE...
  • Connectors for Spark SQL Query Engine

    815 2024-07-05 《Apache Kyuubi 1.9.1》
    Delta Lake Delta Lake with Microsoft Azure Blob Storage Hudi Iceberg Kudu Hive Apache Paimon (Incubating) TiDB TPC-DS TPC-H
  • Object

    782 2024-06-05 《Ramda 0.1.0》
    clone values eqProps keys omit pick pickAll project prop props clone {*} → {*} Parameters valueThe object or array to clone Returns * A deeply cloned copy of val...