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体验新版 GitCode,发现更多精彩内容 >>
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ffdf15f8
编写于
8月 07, 2020
作者:
J
Jialin Qiao
提交者:
GitHub
8月 07, 2020
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差异文件
fix spark package name in doc (#1607)
上级
794ad5fd
变更
2
隐藏空白更改
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并排
Showing
2 changed file
with
18 addition
and
18 deletion
+18
-18
docs/UserGuide/Ecosystem Integration/Spark TsFile.md
docs/UserGuide/Ecosystem Integration/Spark TsFile.md
+9
-9
docs/zh/UserGuide/Ecosystem Integration/Spark TsFile.md
docs/zh/UserGuide/Ecosystem Integration/Spark TsFile.md
+9
-9
未找到文件。
docs/UserGuide/Ecosystem Integration/Spark TsFile.md
浏览文件 @
ffdf15f8
...
...
@@ -140,7 +140,7 @@ NOTE: Remember to assign necessary read and write permissions in advance.
### Example 1: read from the local file system
```
scala
import
org.apache.iotdb.tsfile._
import
org.apache.iotdb.
spark.
tsfile._
val
wide_df
=
spark
.
read
.
tsfile
(
"test.tsfile"
)
wide_df
.
show
...
...
@@ -151,7 +151,7 @@ narrow_df.show
### Example 2: read from the hadoop file system
```
scala
import
org.apache.iotdb.tsfile._
import
org.apache.iotdb.
spark.
tsfile._
val
wide_df
=
spark
.
read
.
tsfile
(
"hdfs://localhost:9000/test.tsfile"
)
wide_df
.
show
...
...
@@ -162,7 +162,7 @@ narrow_df.show
### Example 3: read from a specific directory
```
scala
import
org.apache.iotdb.tsfile._
import
org.apache.iotdb.
spark.
tsfile._
val
df
=
spark
.
read
.
tsfile
(
"hdfs://localhost:9000/usr/hadoop"
)
df
.
show
```
...
...
@@ -174,7 +174,7 @@ Note 2: Measurements of the same name should have the same schema.
### Example 4: query in wide form
```
scala
import
org.apache.iotdb.tsfile._
import
org.apache.iotdb.
spark.
tsfile._
val
df
=
spark
.
read
.
tsfile
(
"hdfs://localhost:9000/test.tsfile"
)
df
.
createOrReplaceTempView
(
"tsfile_table"
)
val
newDf
=
spark
.
sql
(
"select * from tsfile_table where `device_1.sensor_1`>0 and `device_1.sensor_2` < 22"
)
...
...
@@ -182,7 +182,7 @@ newDf.show
```
```
scala
import
org.apache.iotdb.tsfile._
import
org.apache.iotdb.
spark.
tsfile._
val
df
=
spark
.
read
.
tsfile
(
"hdfs://localhost:9000/test.tsfile"
)
df
.
createOrReplaceTempView
(
"tsfile_table"
)
val
newDf
=
spark
.
sql
(
"select count(*) from tsfile_table"
)
...
...
@@ -191,7 +191,7 @@ newDf.show
### Example 5: query in narrow form
```
scala
import
org.apache.iotdb.tsfile._
import
org.apache.iotdb.
spark.
tsfile._
val
df
=
spark
.
read
.
tsfile
(
"hdfs://localhost:9000/test.tsfile"
,
true
)
df
.
createOrReplaceTempView
(
"tsfile_table"
)
val
newDf
=
spark
.
sql
(
"select * from tsfile_table where device_name = 'root.ln.wf02.wt02' and temperature > 5"
)
...
...
@@ -199,7 +199,7 @@ newDf.show
```
```
scala
import
org.apache.iotdb.tsfile._
import
org.apache.iotdb.
spark.
tsfile._
val
df
=
spark
.
read
.
tsfile
(
"hdfs://localhost:9000/test.tsfile"
,
true
)
df
.
createOrReplaceTempView
(
"tsfile_table"
)
val
newDf
=
spark
.
sql
(
"select count(*) from tsfile_table"
)
...
...
@@ -210,7 +210,7 @@ newDf.show
```
scala
// we only support wide_form table to write
import
org.apache.iotdb.tsfile._
import
org.apache.iotdb.
spark.
tsfile._
val
df
=
spark
.
read
.
tsfile
(
"hdfs://localhost:9000/test.tsfile"
)
df
.
show
...
...
@@ -224,7 +224,7 @@ newDf.show
```
scala
// we only support wide_form table to write
import
org.apache.iotdb.tsfile._
import
org.apache.iotdb.
spark.
tsfile._
val
df
=
spark
.
read
.
tsfile
(
"hdfs://localhost:9000/test.tsfile"
,
true
)
df
.
show
...
...
docs/zh/UserGuide/Ecosystem Integration/Spark TsFile.md
浏览文件 @
ffdf15f8
...
...
@@ -137,7 +137,7 @@ TsFile中的现有数据如下:
### 示例1:从本地文件系统读取
```
scala
import
org.apache.iotdb.tsfile._
import
org.apache.iotdb.
spark.
tsfile._
val
wide_df
=
spark
.
read
.
tsfile
(
"test.tsfile"
)
wide_df
.
show
...
...
@@ -148,7 +148,7 @@ narrow_df.show
### 示例2:从hadoop文件系统读取
```
scala
import
org.apache.iotdb.tsfile._
import
org.apache.iotdb.
spark.
tsfile._
val
wide_df
=
spark
.
read
.
tsfile
(
"hdfs://localhost:9000/test.tsfile"
)
wide_df
.
show
...
...
@@ -159,7 +159,7 @@ narrow_df.show
### 示例3:从特定目录读取
```
scala
import
org.apache.iotdb.tsfile._
import
org.apache.iotdb.
spark.
tsfile._
val
df
=
spark
.
read
.
tsfile
(
"hdfs://localhost:9000/usr/hadoop"
)
df
.
show
```
...
...
@@ -171,7 +171,7 @@ df.show
### 示例4:广泛形式的查询
```
scala
import
org.apache.iotdb.tsfile._
import
org.apache.iotdb.
spark.
tsfile._
val
df
=
spark
.
read
.
tsfile
(
"hdfs://localhost:9000/test.tsfile"
)
df
.
createOrReplaceTempView
(
"tsfile_table"
)
val
newDf
=
spark
.
sql
(
"select * from tsfile_table where `device_1.sensor_1`>0 and `device_1.sensor_2` < 22"
)
...
...
@@ -179,7 +179,7 @@ newDf.show
```
```
scala
import
org.apache.iotdb.tsfile._
import
org.apache.iotdb.
spark.
tsfile._
val
df
=
spark
.
read
.
tsfile
(
"hdfs://localhost:9000/test.tsfile"
)
df
.
createOrReplaceTempView
(
"tsfile_table"
)
val
newDf
=
spark
.
sql
(
"select count(*) from tsfile_table"
)
...
...
@@ -189,7 +189,7 @@ newDf.show
### 示例5:缩小形式的查询
```
scala
import
org.apache.iotdb.tsfile._
import
org.apache.iotdb.
spark.
tsfile._
val
df
=
spark
.
read
.
tsfile
(
"hdfs://localhost:9000/test.tsfile"
,
true
)
df
.
createOrReplaceTempView
(
"tsfile_table"
)
val
newDf
=
spark
.
sql
(
"select * from tsfile_table where device_name = 'root.ln.wf02.wt02' and temperature > 5"
)
...
...
@@ -197,7 +197,7 @@ newDf.show
```
```
scala
import
org.apache.iotdb.tsfile._
import
org.apache.iotdb.
spark.
tsfile._
val
df
=
spark
.
read
.
tsfile
(
"hdfs://localhost:9000/test.tsfile"
,
true
)
df
.
createOrReplaceTempView
(
"tsfile_table"
)
val
newDf
=
spark
.
sql
(
"select count(*) from tsfile_table"
)
...
...
@@ -208,7 +208,7 @@ newDf.show
```
scala
// we only support wide_form table to write
import
org.apache.iotdb.tsfile._
import
org.apache.iotdb.
spark.
tsfile._
val
df
=
spark
.
read
.
tsfile
(
"hdfs://localhost:9000/test.tsfile"
)
df
.
show
...
...
@@ -222,7 +222,7 @@ newDf.show
```
scala
// we only support wide_form table to write
import
org.apache.iotdb.tsfile._
import
org.apache.iotdb.
spark.
tsfile._
val
df
=
spark
.
read
.
tsfile
(
"hdfs://localhost:9000/test.tsfile"
,
true
)
df
.
show
...
...
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