Page History

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Task

Contributors

Readiness Estimated Time

Current state

Support of Indexes

Status

colour	Green
title	DONE

initial support of DML (SELECT, INSERT)

Igor Seliverstov

Status

colour	Green
title	DONE

Aggregate functions (sum, min, max, avg, ...), enables GROUP BY/DISTINCT commands

Igor Seliverstov

Status

colour	Green
title	DONE

UNION/UNION ALL commands

Igor Seliverstov

Status

colour	Green
title	DONE

support of IN/EXCEPT

Status

subtle	true
title	OPEN TO TAKE

Type system (just review, seems it may be used as is + write many tests) + support of date/time data types.

Status

colour	Green
title	DONE

Documentation

Status

subtle	true
title	OPEN TO TAKE

Phase 2: Base performance optimization and extend SQL possibilities

Task

Contributors

Readiness Estimated Time

Current state

Planner hints (ENFORCE JOIN ORDER, Alg of join)

Status

subtle	true
title	OPEN TO TAKE

Schema management

?

Status

subtle	true
colour	Yellow
title	IN PROGRESS

Sort based aggregates, Merge join, index spools,

Konstantin Orlov Taras Ledkov

Status

subtle	true
colour	Yellow
title	IN PROGRESS

Index Nested Loop Join/Merge Join

Igor Seliverstov

Status

colour	Green
title	DONE

Statistics/cost model (simple statistics)

Status

subtle	true
title	OPEN TO TAKE

Hash join

Status

subtle	true
title	OPEN TO TAKE

Hash index spools

Status

subtle	true
title	OPEN TO TAKE

Initial support of DDL (create/drop for table and index)

Status

subtle	true
title	OPEN TO TAKE

Type system including support of date/time data types.

Status

subtle	true
title	OPEN TO TAKE

INTERSECT/MINUS

Status

subtle	true
title	OPEN TO TAKE

MERGE

Status

subtle	true
title	OPEN TO TAKE

Planner hints (the potentially concrete plan of executing)

Status

subtle	true
title	OPEN TO TAKE

Documentation

Status

subtle	true
title	OPEN TO TAKE

Phase 3: Usability and performance

Task

Contributors

Readiness Estimated Time

Current state

support of DDL

Status

subtle	true
title	OPEN TO TAKE

Expressions interpreter

Status

subtle	true
title	OPEN TO TAKE

Views

Status

subtle	true
title	OPEN TO TAKE

Tracing, statistics, cancellation, views

Status

subtle	true
title	OPEN TO TAKE

Memory managment and offloading

Status

subtle	true
title	OPEN TO TAKE

Expressions interpreter (kind of optimisation, may be omitted at the first step here a type system is used)

Status

subtle	true
title	OPEN TO TAKE

Correlated queries support (may be omitted at the first step)

Status

subtle	true
title	OPEN TO TAKE

H2 syntax support

Status

subtle	true
title	OPEN TO TAKE

VolcanoPlanner overhaul

Status

subtle	true
title	OPEN TO TAKE

Distributed joins/aggregation/subqueries algorithms

Status

subtle	true
title	OPEN TO TAKE

Join/aggregation algorithms

Status

subtle	true
title	OPEN TO TAKE

Partition prunning

Status

subtle	true
title	OPEN TO TAKE

Explain/ExplainAnalyze

Status

subtle	true
title	OPEN TO TAKE

Query compilation

Status

subtle	true
title	OPEN TO TAKE

JDBC/ODBC/Thin, other clients (including partition awareness)

Status

subtle	true
title	OPEN TO TAKE

Documentation

Status

subtle	true
title	OPEN TO TAKE

...

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Versions Compared

Old Version 13

New Version 14

Key

Phase 2: Base performance optimization and extend SQL possibilities

Phase 3: Usability and performance