Pre-release

@geunlee geunlee released this Sep 18, 2018 · 13 commits to master since this release

Assets 4
  • Performance Enhancement

    • Remove use of SPI in ModifyGraph
  • Cypher Implementation

    • Support STARTS WITH / ENDS WITH / CONTAINS clauses
    • Support PREPARE statement for Cypher
  • Usability

    • Support =~ operator for regex matching
    • Handle graphid comparisons
      ex) MATCH (n) WHERE id(n) = '1.1' AND id(n) = 1.1 RETURN n;
    • Implicit conversion of any value to jsonb during LOAD
      ex) LOAD FROM external_table AS r CREATE (:v = r);
    • Print NULL values in _vertex, _edge, and graphpath
    • Validate AG_VERSION before init or start
    • Added installation step for RHEL
    • The metric catalog ag_graphmeta has been added
    • Improve labels() on vertex
    • Support storing null properties
    • Support DROP VLABEL ... CASCADE
  • PostgreSQL

    • Merge PostgreSQL 10.4
  • Bug Fix

    • Build failure due to lack of AG_GIT_REVISION on Windows
    • Handle zero-length graphpath correctly
    • Use DirectFunctionCall1 for jsonb_in
    • Error occurs using graphpath and variable length edge
    • Allow ON CREATE/MATCH SET between MERGE clauses
    • pg_depend also should be dumped for restoration
    • Return null value on first optional match
    • Solve SRF issues
    • Parallel worker cannot copy guc 'graph_path'
    • DELETE plan passes 'edge' variable to the next plan
    • Remove valgrind warning
    • Invisible tuples occur in the same statement
    • Create a label that does not exist while running CREATE clause
    • Redefinition of JsonbParseState and JsonbIterator
    • Error occurs in contrib - Remove unnecessary extensions(postgresql_hll, hadoop_fdw, pg_statsinfo, pg_hint_plan)
    • Invalid dijkstra resultset
    • Fatal occurs in continous delete clauses
    • Some DELETE cases fail on Agensgraph
    • Cannot delete graph elements that belong to the graphpath
    • The join order of graph joins has changed
    • Prevent infinite loop
    • The result of SET query is different from neo4j
    • Reduce memory usage of hashtable in modifygraph plan
    • Error occurs using an alias for a property
    • support to use cypher on condition of if statement
    • Occur Error using graph modify clause in PL/pgSQL
    • Remove all use of code that are related to edgeref type

@geunlee geunlee released this Sep 6, 2018 · 168 commits to master since this release

Assets 4
  • Bug Fix
    • VLE returns incorrect result with sequential scan
    • Graph CONSTRAINT dump & restore bug fix
    • Handle parameters with UNKNOWNOID type

@geunlee geunlee released this Aug 21, 2018 · 242 commits to master since this release

Assets 4
  • Bug Fix
    • Cannot refer to vertex in the same clause
    • Memory leak occurs in Modify Graph
    • Memory leak when loading data into indexed label
    • Revert deletion of CID increaing and remove meaningless code
    • Dump & restore rework for pg_upgrade
    • 'pg_dump' works even if there is only 1 graph in a database
    • TRUNCATE TABLE on graph labels is disabled
    • Prevent drop index on property index

@geunlee geunlee released this Mar 21, 2018 · 168 commits to master since this release

Assets 5
  • Bug Fix
    • Nested use of variables in list comprehension
    • Memory optimization when doing CREATE or MERGE
    • pg_dump works even if there is only 1 graph in a database

@geunlee geunlee released this Dec 14, 2017 · 15 commits to v1.3 since this release

Assets 4
  • Performance Enhancement
    • Improve Cypher eager plan performance
  • Cypher Implementation
    • Cypher expression implemented
      • You do not need to use type casting anymore
    • Support List Comprehension
      • all(), any(), none(), single()
    • Enable the vertex reference just created
      • ex) CREATE (a:city {name:'Seoul'}), (b:person {from:a.name});
    • MATCH ONLY is supported
      • If you match only parent label with out child label, you can use keyword 'ONLY'
      • ex) MATCH (a)-[r:linked ONLY]->(b) RETURN r;
  • External Module
    • Window installer rework
    • AG JDBC 1.4.1 released for AgensGraph v1.3.0
  • Usability
    • Allow white space in graph name
    • Add command \dGi, which shows list of property indexes
    • pg_dump/pg_restore/pg_upgrade is now available in AgensGraph
    • Return NULL when the accessed value is jsonb null
    • Print revision with 'agens --revision', 'ag_ctl --revision'
    • Remove trailing zeroes from exponent operator
  • Bug Fix
    • Fix some VLE (variable length edge) query returns invalid results
    • Fix fatal error when using DELETE and MERGE in combination
    • Prohibit TRUNCATE on graph labels
    • Prohibit DROP INDEX from drop PROPERTY INDEX
    • Set 'AGDATA' to the given database name for initdb
    • Assign collations to values of SET exprs
    • Fix vertex reference problem in the same clause
    • Fix memory leak when loading data into indexed label

@gtyun gtyun released this Aug 22, 2017 · 242 commits to master since this release

Assets 4
  • Performance Enhancement
    • Improved ‘shortestpath()’
  • Cypher Implementation
    • Consecutive use of writing clauses is enabled
    • Enable ‘RETURN’ after ‘SET’
  • External module
    • upgrade pg_hint_plan from 1.1.3 to 1.2
  • Usability
    • Create labels on demand
    • Add GUC variable ‘case_sensitive_ident’
    • Add function ‘DIJKSTRA()’
    • Add catalog ‘ag_property_indexes’
    • Print modified graph objects count include zero count
  • Bug Fix
    • ‘IF (NOT) EXIST’ operation works
    • ‘CREATE invalid_expression’ prints error normally
    • ‘RETURN path’ works
    • Error in multiple ‘SET’ is fixed
    • ‘RETURN *’ do not return internal variable
    • ‘pg_dump’ works normally and restores successfully
    • ‘SET’ to a null value removes property

@htlim htlim released this Mar 16, 2017 · 301 commits to master since this release

Assets 2
  • Performance Enhancement
    • Adjust the sampling rate of edge for better plan.
    • Make use of property indexes to process property constraints in curly brackets.
    • Implement veriable length edge feature at execution level.
  • Cypher Implementation
    • Support MERGE clause.
    • Prevent from specifying labels on variables which come from previous clauses.
    • Ignore properties with NULL value so that those properties are not stored.
    • Check labels on the same variable in the given graph pattern are identical.
  • Minor Modification
    • Allow ALTER TABLE on graph labels for superuser.
  • External module
    • Support Hadoop FDW extension
    • Support HyperLogLog extension
  • PostgreSQL
    • Merge PostgreSQL 9.6.2
  • Bug Fix
    • Fix a fatal error when modifying a graph with prepared statements
    • Use a dedicated variable for result relations of ModifyGraph
    • Return the modified list in adjustFutureVertices()

@protodef protodef released this Mar 14, 2017 · 353 commits to master since this release

Assets 2
  • Performance Enhancement
    • Cypher
      • Remove unnecessary joins
      • Delay vertex joins
      • Improve the performance of CREATE, SET, and REMOVE clauses
    • Storage
      • Reduce the size of graphid
  • Cypher Implementation
    • Support WITH clause
    • Support Variable Length Relationship(VLR)
    • Support shortestpath() and allshortestpaths()
    • Provide UNIQUE property index feature
  • Miscellaneous
    • Improve log messages
    • Provide informational commands such as \dG, \dGl, \dGv and \dGe
    • Support DISABLE INDEX and REINDEX on labels
    • Contrib/Extension
      • Add pg_prewarm and pg_hint_plan