[BUILD-FAILURE]: Job 'IoTDB/IoTDB-Pipe/master [master] [447]'

2022-01-10 Thread Apache Jenkins Server
BUILD-FAILURE: Job 'IoTDB/IoTDB-Pipe/master [master] [447]': Check console output at "https://ci-builds.apache.org/job/IoTDB/job/IoTDB-Pipe/job/master/447/";>IoTDB/IoTDB-Pipe/master [master] [447]"

[BUILD-FAILURE]: Job 'IoTDB/IoTDB-Pipe/master [master] [448]'

2022-01-10 Thread Apache Jenkins Server
BUILD-FAILURE: Job 'IoTDB/IoTDB-Pipe/master [master] [448]': Check console output at "https://ci-builds.apache.org/job/IoTDB/job/IoTDB-Pipe/job/master/448/";>IoTDB/IoTDB-Pipe/master [master] [448]"

[BUILD-FAILURE]: Job 'IoTDB/IoTDB-Pipe/master [master] [449]'

2022-01-10 Thread Apache Jenkins Server
BUILD-FAILURE: Job 'IoTDB/IoTDB-Pipe/master [master] [449]': Check console output at "https://ci-builds.apache.org/job/IoTDB/job/IoTDB-Pipe/job/master/449/";>IoTDB/IoTDB-Pipe/master [master] [449]"

[BUILD-FAILURE]: Job 'IoTDB/IoTDB-Pipe/master [master] [450]'

2022-01-10 Thread Apache Jenkins Server
BUILD-FAILURE: Job 'IoTDB/IoTDB-Pipe/master [master] [450]': Check console output at "https://ci-builds.apache.org/job/IoTDB/job/IoTDB-Pipe/job/master/450/";>IoTDB/IoTDB-Pipe/master [master] [450]"

Usage of Relation Algebra, Calcite and Query Optimization in IoTDB

2022-01-10 Thread Julian Feinauer
Hi folks, I did some discussions already with others but wanted to bring the topic now to the list. Currently, we have no “real” Query Optimizer in IoTDB. We do some heuristics to optimize queries but not in the way a regular RDBMS does things. Some of you may have heard of the Apache Calcite F

Usage of Relation Algebra, Calcite and Query Optimization in IoTDB

2022-01-10 Thread Julian Feinauer
Hi folks, I did some discussions already with others but wanted to bring the topic now to the list. Currently, we have no “real” Query Optimizer in IoTDB. We do some heuristics to optimize queries but not in the way a regular RDBMS does things. Some of you may have heard of the Apache Calcite F