CHANGELOG.md

Pull Requests: https://github.com/araddon/qlbridge/pulls?q=is%3Apr+is%3Aclosed

2017 Updates

• Calculate Time Boundarys for Datemath expressions araddon#183
• Expression inliner for INCLUDE (referenced expressions) araddon#182
• Code Coverage improvements in value pkg araddon#178
• Cleanup the CREATE ... Statement araddon#175
• Exists() as part of column expression lex bug araddon#167
• Base64 Builtin functions araddon#166
• File based datasources support iterator instead of in-mem file list araddon#165
• Elasticsearch Sql -> ES search DSL generator araddon#160
• Completely revamp/improve performance of VM functions by removing reflect usage araddon#148

Sept 2016

• Expression Massive Revamp araddon#125
  • Include and FilterQL moved into native Expresson parser/vm not separate dialect
  • Implement generic Expr type for usage as json representation of Node/Expressions

Aug 2016

• Schema Improvements for internal schema mgmt araddon#124
• Column existence check araddon#121
• Filter QL improvements araddon#114
• Improve SQL Projections araddon#123

July 2016

• Handle Identity Quotes/Escaping and Left/Right better.
  • araddon#116
  • araddon#112
  • araddon#117
• Support Dates in Between araddon#109
• New HasSuffix and HasPrefix functions araddon#107
• Dialect specific quote marks. Includes new SQL Rewriter araddon#103
• Function Registry araddon#101
• araddon#100
  • SQL OrderBy
  • cleaner lex quoting
  • FilterQL Doc

June 1016

• Schema Improvements araddon#97
• FilterQL Enhancments araddon#96
• Information Schema araddon#91

May 2016

• Filter Function araddon#86

April 2016

• sql SET @var = "stuff" araddon#79
• Better runtime close channel mgmt araddon#80

March 27th 2016

• Better internal Schema Query planning, system (SHOW, DESCRIBE) with schemadb araddon#68
  • introspect csv files for types
  • convert SHOW, DESCRIBE into SELECT statements
  • better internal data-source registry

v 0.12 February 2016

• Enable Distributed runtime by Executor interface araddon#66
  • add support for WITH key=value pairs in sql dialect, ie SELECT title FROM article WITH distributed=true, node_ct=20
  • Support planner/executors to be swapped out with custom implementations, so upstream can implemented distributed planners.
    • expr, sql, plan support protobuf serialization
    • separate out the planner, executor so planning can occur on one master node, and send request (dag of plan tasks) to slave executor nodes.
    • support partitionable sources (run partion 1 on node 1, partition 2 on node 2, etc....)

v 0.11 December 2015

• araddon#61

  • convert IN statement from MultiArg -> BinaryNode w ArrayNode type
  • cleanup remove un-used interface methods (NodeType())
  • fingerprint() for filterql
  • fix negateable string for BinaryNode (LIKE)

• araddon#56

  • GroupBy implementation in execution engine
  • count, avg, sum functions for aggs
  • recognize aggregate functions (count, sum) without group-by in parser

v 0.10 December 2015

• araddon#54

  • implmennt FilterQL in vm. filterQL is a WHERE filter language with dsl nesting
  • context-wrapper, allow go structs to be used natively in vm including functions

• araddon#52

  • move datasource schema structures into schema pkg
  • new plan.context simplify interfaces and pass through ctx to runtime queries
  • implement literal query select 1;
  • implement @@session.max_allowed_packets type variables in both Global, Session contexts
  • new staticsource data type for simpler static-data returns
  • better support for SHOW FULL COLUMNS, SHOW CREATE TABLE
  • new Wrap interface on job builders allowing frontends to override query behavior