[GitHub] [incubator-iotdb] liutaohua commented on a change in pull request #1650: [IOTDB-848] support order by time asc/desc

2020-09-15 Thread GitBox
liutaohua commented on a change in pull request #1650: URL: https://github.com/apache/incubator-iotdb/pull/1650#discussion_r489128003 ## File path: server/src/main/java/org/apache/iotdb/db/query/reader/chunk/MemChunkReader.java ## @@ -118,7 +104,8 @@ public void close() {

[GitHub] [incubator-iotdb] liutaohua commented on a change in pull request #1650: [IOTDB-848] support order by time asc/desc

2020-09-12 Thread GitBox
liutaohua commented on a change in pull request #1650: URL: https://github.com/apache/incubator-iotdb/pull/1650#discussion_r486789846 ## File path: server/src/main/java/org/apache/iotdb/db/query/dataset/groupby/GroupByWithValueFilterDataSet.java ## @@ -122,13 +127,18 @@

[GitHub] [incubator-iotdb] liutaohua commented on a change in pull request #1650: [IOTDB-848] support order by time asc/desc

2020-09-12 Thread GitBox
liutaohua commented on a change in pull request #1650: URL: https://github.com/apache/incubator-iotdb/pull/1650#discussion_r486789846 ## File path: server/src/main/java/org/apache/iotdb/db/query/dataset/groupby/GroupByWithValueFilterDataSet.java ## @@ -122,13 +127,18 @@

[GitHub] [incubator-iotdb] liutaohua commented on a change in pull request #1650: [IOTDB-848] support order by time asc/desc

2020-09-12 Thread GitBox
liutaohua commented on a change in pull request #1650: URL: https://github.com/apache/incubator-iotdb/pull/1650#discussion_r486789846 ## File path: server/src/main/java/org/apache/iotdb/db/query/dataset/groupby/GroupByWithValueFilterDataSet.java ## @@ -122,13 +127,18 @@

[GitHub] [incubator-iotdb] liutaohua commented on a change in pull request #1650: [IOTDB-848] support order by time asc/desc

2020-09-11 Thread GitBox
liutaohua commented on a change in pull request #1650: URL: https://github.com/apache/incubator-iotdb/pull/1650#discussion_r486829296 ## File path: server/src/main/java/org/apache/iotdb/db/query/dataset/groupby/GroupByWithValueFilterDataSet.java ## @@ -122,13 +127,18 @@

[GitHub] [incubator-iotdb] liutaohua commented on a change in pull request #1650: [IOTDB-848] support order by time asc/desc

2020-09-11 Thread GitBox
liutaohua commented on a change in pull request #1650: URL: https://github.com/apache/incubator-iotdb/pull/1650#discussion_r486813907 ## File path: docs/zh/SystemDesign/DataQuery/OrderByTimeQuery.md ## @@ -0,0 +1,190 @@ + + +# 按时间倒序查询 + +## 实现原理 + +倒序分为 3 个维度来实现，由内核层到用户层分别为:

[GitHub] [incubator-iotdb] liutaohua commented on a change in pull request #1650: [IOTDB-848] support order by time asc/desc

2020-09-11 Thread GitBox
liutaohua commented on a change in pull request #1650: URL: https://github.com/apache/incubator-iotdb/pull/1650#discussion_r486813845 ## File path: docs/zh/SystemDesign/DataQuery/OrderByTimeQuery.md ## @@ -0,0 +1,190 @@ + + +# 按时间倒序查询 + +## 实现原理 + +倒序分为 3 个维度来实现，由内核层到用户层分别为:

[GitHub] [incubator-iotdb] liutaohua commented on a change in pull request #1650: [IOTDB-848] support order by time asc/desc

2020-09-10 Thread GitBox
liutaohua commented on a change in pull request #1650: URL: https://github.com/apache/incubator-iotdb/pull/1650#discussion_r486789846 ## File path: server/src/main/java/org/apache/iotdb/db/query/dataset/groupby/GroupByWithValueFilterDataSet.java ## @@ -122,13 +127,18 @@

[GitHub] [incubator-iotdb] liutaohua commented on a change in pull request #1650: [IOTDB-848] support order by time asc/desc

2020-09-09 Thread GitBox
liutaohua commented on a change in pull request #1650: URL: https://github.com/apache/incubator-iotdb/pull/1650#discussion_r486036920 ## File path: docs/zh/UserGuide/Operation Manual/DML Data Manipulation Language.md ## @@ -156,6 +156,14 @@ select

[GitHub] [incubator-iotdb] liutaohua commented on a change in pull request #1650: [IOTDB-848] support order by time asc/desc

2020-09-09 Thread GitBox
liutaohua commented on a change in pull request #1650: URL: https://github.com/apache/incubator-iotdb/pull/1650#discussion_r486036824 ## File path: docs/zh/SystemDesign/DataQuery/OrderByTimeQuery.md ## @@ -0,0 +1,181 @@ + + +# 按时间倒序查询 + +## 实现原理 + +倒序分为 3 个维度来实现，由内核层到用户层分别为:

[GitHub] [incubator-iotdb] liutaohua commented on a change in pull request #1650: [IOTDB-848] support order by time asc/desc

2020-09-09 Thread GitBox
liutaohua commented on a change in pull request #1650: URL: https://github.com/apache/incubator-iotdb/pull/1650#discussion_r486031065 ## File path: server/src/main/java/org/apache/iotdb/db/query/dataset/groupby/GroupByWithoutValueFilterDataSet.java ## @@ -140,9 +142,37 @@

[GitHub] [incubator-iotdb] liutaohua commented on a change in pull request #1650: [IOTDB-848] support order by time asc/desc

2020-09-09 Thread GitBox
liutaohua commented on a change in pull request #1650: URL: https://github.com/apache/incubator-iotdb/pull/1650#discussion_r486030810 ## File path: server/src/main/java/org/apache/iotdb/db/query/dataset/groupby/GroupByWithValueFilterDataSet.java ## @@ -160,6 +171,24 @@

[GitHub] [incubator-iotdb] liutaohua commented on a change in pull request #1650: [IOTDB-848] support order by time asc/desc

2020-09-09 Thread GitBox
liutaohua commented on a change in pull request #1650: URL: https://github.com/apache/incubator-iotdb/pull/1650#discussion_r486030444 ## File path: server/src/main/java/org/apache/iotdb/db/query/dataset/groupby/GroupByEngineDataSet.java ## @@ -31,18 +32,13 @@ public abstract

[GitHub] [incubator-iotdb] liutaohua commented on a change in pull request #1650: [IOTDB-848] support order by time asc/desc

2020-09-06 Thread GitBox
liutaohua commented on a change in pull request #1650: URL: https://github.com/apache/incubator-iotdb/pull/1650#discussion_r484159655 ## File path: antlr/src/main/antlr4/org/apache/iotdb/db/qp/strategy/SqlBase.g4 ## @@ -208,12 +208,13 @@ fromClause ; specialClause -

[GitHub] [incubator-iotdb] liutaohua commented on a change in pull request #1650: [IOTDB-848] support order by time asc/desc

2020-09-06 Thread GitBox
liutaohua commented on a change in pull request #1650: URL: https://github.com/apache/incubator-iotdb/pull/1650#discussion_r484159477 ## File path: antlr/src/main/antlr4/org/apache/iotdb/db/qp/strategy/SqlBase.g4 ## @@ -208,12 +208,13 @@ fromClause ; specialClause -

[GitHub] [incubator-iotdb] liutaohua commented on a change in pull request #1650: [IOTDB-848] support order by time asc/desc

2020-09-06 Thread GitBox
liutaohua commented on a change in pull request #1650: URL: https://github.com/apache/incubator-iotdb/pull/1650#discussion_r484159194 ## File path: server/src/main/java/org/apache/iotdb/db/query/dataset/RawQueryDataSetWithValueFilter.java ## @@ -43,10 +43,11 @@ * @param