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The following commit(s) were added to refs/heads/main by this push:
new ddb3b4fd remove float precision from table (#1040)
ddb3b4fd is described below
commit ddb3b4fd0e18ec36dd07cec9330f11d053d73fbd
Author: leto-b <[email protected]>
AuthorDate: Wed Apr 1 11:47:27 2026 +0800
remove float precision from table (#1040)
---
.../Master/Table/Background-knowledge/Data-Type_apache.md | 14 +-------------
.../Master/Table/Background-knowledge/Data-Type_timecho.md | 13 +------------
.../latest-Table/Background-knowledge/Data-Type_apache.md | 14 +-------------
.../latest-Table/Background-knowledge/Data-Type_timecho.md | 13 +------------
.../Master/Table/Background-knowledge/Data-Type_apache.md | 13 +------------
.../Master/Table/Background-knowledge/Data-Type_timecho.md | 13 +------------
.../latest-Table/Background-knowledge/Data-Type_apache.md | 13 +------------
.../latest-Table/Background-knowledge/Data-Type_timecho.md | 13 +------------
8 files changed, 8 insertions(+), 98 deletions(-)
diff --git
a/src/UserGuide/Master/Table/Background-knowledge/Data-Type_apache.md
b/src/UserGuide/Master/Table/Background-knowledge/Data-Type_apache.md
index 533d8326..955960d6 100644
--- a/src/UserGuide/Master/Table/Background-knowledge/Data-Type_apache.md
+++ b/src/UserGuide/Master/Table/Background-knowledge/Data-Type_apache.md
@@ -51,19 +51,7 @@ The differences between **OBJECT** and **BLOB** types are as
follows:
| **Space Amplification** (Lower is better) | Low (Merge & release on write)
| High (Merge on read and release on compact) |
| **Query Results** | When querying an OBJECT column by default, returns
metadata like: `(Object) XX.XX KB`. Actual OBJECT data storage path:
`${data_dir}/object_data`. Use `READ_OBJECT` function to retrieve raw content |
Directly returns raw binary content |
-### 1.1 Floating-Point Precision Configuration
-
-For **FLOAT** and **DOUBLE** series using **RLE** or **TS_2DIFF** encoding,
the number of decimal places can be set via the **MAX_POINT_NUMBER** attribute
during series creation.
-
-For example:
-
-```SQL
-CREATE TIMESERIES root.vehicle.d0.s0 WITH DATATYPE=FLOAT, ENCODING=RLE,
'MAX_POINT_NUMBER'='2';
-```
-
-If not specified, the system will use the configuration in the
`iotdb-system.properties` file under the `float_precision` item (default is 2
decimal places).
-
-### 1.2 Data Type Compatibility
+### 1.1 Data Type Compatibility
If the written data type does not match the registered data type of a series:
diff --git
a/src/UserGuide/Master/Table/Background-knowledge/Data-Type_timecho.md
b/src/UserGuide/Master/Table/Background-knowledge/Data-Type_timecho.md
index 15b21207..3461a7a9 100644
--- a/src/UserGuide/Master/Table/Background-knowledge/Data-Type_timecho.md
+++ b/src/UserGuide/Master/Table/Background-knowledge/Data-Type_timecho.md
@@ -51,19 +51,8 @@ The differences between **OBJECT** and **BLOB** types are as
follows:
| **Space Amplification** (Lower is better) | Low (Merge & release on write)
| High (Merge on read and release on compact) |
| **Query Results** | When querying an OBJECT column by default, returns
metadata like: `(Object) XX.XX KB`. Actual OBJECT data storage path:
`${data_dir}/object_data`. Use `READ_OBJECT` function to retrieve raw content |
Directly returns raw binary content |
-### 1.1 Floating-Point Precision Configuration
-For **FLOAT** and **DOUBLE** series using **RLE** or **TS_2DIFF** encoding,
the number of decimal places can be set via the **MAX_POINT_NUMBER** attribute
during series creation.
-
-For example:
-
-```SQL
-CREATE TIMESERIES root.vehicle.d0.s0 WITH DATATYPE=FLOAT, ENCODING=RLE,
'MAX_POINT_NUMBER'='2';
-```
-
-If not specified, the system will use the configuration in the
`iotdb-system.properties` file under the `float_precision` item (default is 2
decimal places).
-
-### 1.2 Data Type Compatibility
+### 1.1 Data Type Compatibility
If the written data type does not match the registered data type of a series:
diff --git
a/src/UserGuide/latest-Table/Background-knowledge/Data-Type_apache.md
b/src/UserGuide/latest-Table/Background-knowledge/Data-Type_apache.md
index 533d8326..955960d6 100644
--- a/src/UserGuide/latest-Table/Background-knowledge/Data-Type_apache.md
+++ b/src/UserGuide/latest-Table/Background-knowledge/Data-Type_apache.md
@@ -51,19 +51,7 @@ The differences between **OBJECT** and **BLOB** types are as
follows:
| **Space Amplification** (Lower is better) | Low (Merge & release on write)
| High (Merge on read and release on compact) |
| **Query Results** | When querying an OBJECT column by default, returns
metadata like: `(Object) XX.XX KB`. Actual OBJECT data storage path:
`${data_dir}/object_data`. Use `READ_OBJECT` function to retrieve raw content |
Directly returns raw binary content |
-### 1.1 Floating-Point Precision Configuration
-
-For **FLOAT** and **DOUBLE** series using **RLE** or **TS_2DIFF** encoding,
the number of decimal places can be set via the **MAX_POINT_NUMBER** attribute
during series creation.
-
-For example:
-
-```SQL
-CREATE TIMESERIES root.vehicle.d0.s0 WITH DATATYPE=FLOAT, ENCODING=RLE,
'MAX_POINT_NUMBER'='2';
-```
-
-If not specified, the system will use the configuration in the
`iotdb-system.properties` file under the `float_precision` item (default is 2
decimal places).
-
-### 1.2 Data Type Compatibility
+### 1.1 Data Type Compatibility
If the written data type does not match the registered data type of a series:
diff --git
a/src/UserGuide/latest-Table/Background-knowledge/Data-Type_timecho.md
b/src/UserGuide/latest-Table/Background-knowledge/Data-Type_timecho.md
index 15b21207..3461a7a9 100644
--- a/src/UserGuide/latest-Table/Background-knowledge/Data-Type_timecho.md
+++ b/src/UserGuide/latest-Table/Background-knowledge/Data-Type_timecho.md
@@ -51,19 +51,8 @@ The differences between **OBJECT** and **BLOB** types are as
follows:
| **Space Amplification** (Lower is better) | Low (Merge & release on write)
| High (Merge on read and release on compact) |
| **Query Results** | When querying an OBJECT column by default, returns
metadata like: `(Object) XX.XX KB`. Actual OBJECT data storage path:
`${data_dir}/object_data`. Use `READ_OBJECT` function to retrieve raw content |
Directly returns raw binary content |
-### 1.1 Floating-Point Precision Configuration
-For **FLOAT** and **DOUBLE** series using **RLE** or **TS_2DIFF** encoding,
the number of decimal places can be set via the **MAX_POINT_NUMBER** attribute
during series creation.
-
-For example:
-
-```SQL
-CREATE TIMESERIES root.vehicle.d0.s0 WITH DATATYPE=FLOAT, ENCODING=RLE,
'MAX_POINT_NUMBER'='2';
-```
-
-If not specified, the system will use the configuration in the
`iotdb-system.properties` file under the `float_precision` item (default is 2
decimal places).
-
-### 1.2 Data Type Compatibility
+### 1.1 Data Type Compatibility
If the written data type does not match the registered data type of a series:
diff --git
a/src/zh/UserGuide/Master/Table/Background-knowledge/Data-Type_apache.md
b/src/zh/UserGuide/Master/Table/Background-knowledge/Data-Type_apache.md
index 65eb49d7..0a2ab436 100644
--- a/src/zh/UserGuide/Master/Table/Background-knowledge/Data-Type_apache.md
+++ b/src/zh/UserGuide/Master/Table/Background-knowledge/Data-Type_apache.md
@@ -49,18 +49,7 @@ IoTDB 支持以下十种数据类型:
| 查询结果 | 默认查询 OBJECT 列时,返回结果如`(Object) XX.XX KB)`。 <br> 真实 OBJECT
数据存储路径位于:`${data_dir}/object_data`,可通过 `READ_OBJECT` 函数读取其真实内容 | 直接返回真实的二进制内容 |
-### 1.1 浮点数精度配置
-
-对于 **FLOAT** 与 **DOUBLE** 类型的序列,如果编码方式采用 `RLE`或 `TS_2DIFF`,可以在创建序列时通过
`MAX_POINT_NUMBER` 属性指定浮点数的小数点后位数。
-
-例如,
-```sql
-CREATE TIMESERIES root.vehicle.d0.s0 WITH DATATYPE=FLOAT, ENCODING=RLE,
'MAX_POINT_NUMBER'='2';
-```
-
-若不指定,系统会按照配置文件 `iotdb-system.properties` 中的
[float_precision](../Reference/System-Config-Manual_apache.md) 项配置(默认为 2 位)。
-
-### 1.2 数据类型兼容性
+### 1.1 数据类型兼容性
当写入数据的类型与序列注册的数据类型不一致时,
- 如果序列数据类型不兼容写入数据类型,系统会给出错误提示。
diff --git
a/src/zh/UserGuide/Master/Table/Background-knowledge/Data-Type_timecho.md
b/src/zh/UserGuide/Master/Table/Background-knowledge/Data-Type_timecho.md
index d995b6de..c0af2749 100644
--- a/src/zh/UserGuide/Master/Table/Background-knowledge/Data-Type_timecho.md
+++ b/src/zh/UserGuide/Master/Table/Background-knowledge/Data-Type_timecho.md
@@ -49,18 +49,7 @@ IoTDB 支持以下十种数据类型:
| 查询结果 | 默认查询 OBJECT 列时,返回结果如`(Object) XX.XX KB)`。 <br> 真实 OBJECT
数据存储路径位于:`${data_dir}/object_data`,可通过 `READ_OBJECT` 函数读取其真实内容 | 直接返回真实的二进制内容 |
-### 1.1 浮点数精度配置
-
-对于 **FLOAT** 与 **DOUBLE** 类型的序列,如果编码方式采用 `RLE`或 `TS_2DIFF`,可以在创建序列时通过
`MAX_POINT_NUMBER` 属性指定浮点数的小数点后位数。
-
-例如,
-```sql
-CREATE TIMESERIES root.vehicle.d0.s0 WITH DATATYPE=FLOAT, ENCODING=RLE,
'MAX_POINT_NUMBER'='2';
-```
-
-若不指定,系统会按照配置文件 `iotdb-system.properties` 中的
[float_precision](../Reference/System-Config-Manual_timecho.md) 项配置(默认为 2 位)。
-
-### 1.2 数据类型兼容性
+### 1.1 数据类型兼容性
当写入数据的类型与序列注册的数据类型不一致时,
- 如果序列数据类型不兼容写入数据类型,系统会给出错误提示。
diff --git
a/src/zh/UserGuide/latest-Table/Background-knowledge/Data-Type_apache.md
b/src/zh/UserGuide/latest-Table/Background-knowledge/Data-Type_apache.md
index 65eb49d7..0a2ab436 100644
--- a/src/zh/UserGuide/latest-Table/Background-knowledge/Data-Type_apache.md
+++ b/src/zh/UserGuide/latest-Table/Background-knowledge/Data-Type_apache.md
@@ -49,18 +49,7 @@ IoTDB 支持以下十种数据类型:
| 查询结果 | 默认查询 OBJECT 列时,返回结果如`(Object) XX.XX KB)`。 <br> 真实 OBJECT
数据存储路径位于:`${data_dir}/object_data`,可通过 `READ_OBJECT` 函数读取其真实内容 | 直接返回真实的二进制内容 |
-### 1.1 浮点数精度配置
-
-对于 **FLOAT** 与 **DOUBLE** 类型的序列,如果编码方式采用 `RLE`或 `TS_2DIFF`,可以在创建序列时通过
`MAX_POINT_NUMBER` 属性指定浮点数的小数点后位数。
-
-例如,
-```sql
-CREATE TIMESERIES root.vehicle.d0.s0 WITH DATATYPE=FLOAT, ENCODING=RLE,
'MAX_POINT_NUMBER'='2';
-```
-
-若不指定,系统会按照配置文件 `iotdb-system.properties` 中的
[float_precision](../Reference/System-Config-Manual_apache.md) 项配置(默认为 2 位)。
-
-### 1.2 数据类型兼容性
+### 1.1 数据类型兼容性
当写入数据的类型与序列注册的数据类型不一致时,
- 如果序列数据类型不兼容写入数据类型,系统会给出错误提示。
diff --git
a/src/zh/UserGuide/latest-Table/Background-knowledge/Data-Type_timecho.md
b/src/zh/UserGuide/latest-Table/Background-knowledge/Data-Type_timecho.md
index d995b6de..c0af2749 100644
--- a/src/zh/UserGuide/latest-Table/Background-knowledge/Data-Type_timecho.md
+++ b/src/zh/UserGuide/latest-Table/Background-knowledge/Data-Type_timecho.md
@@ -49,18 +49,7 @@ IoTDB 支持以下十种数据类型:
| 查询结果 | 默认查询 OBJECT 列时,返回结果如`(Object) XX.XX KB)`。 <br> 真实 OBJECT
数据存储路径位于:`${data_dir}/object_data`,可通过 `READ_OBJECT` 函数读取其真实内容 | 直接返回真实的二进制内容 |
-### 1.1 浮点数精度配置
-
-对于 **FLOAT** 与 **DOUBLE** 类型的序列,如果编码方式采用 `RLE`或 `TS_2DIFF`,可以在创建序列时通过
`MAX_POINT_NUMBER` 属性指定浮点数的小数点后位数。
-
-例如,
-```sql
-CREATE TIMESERIES root.vehicle.d0.s0 WITH DATATYPE=FLOAT, ENCODING=RLE,
'MAX_POINT_NUMBER'='2';
-```
-
-若不指定,系统会按照配置文件 `iotdb-system.properties` 中的
[float_precision](../Reference/System-Config-Manual_timecho.md) 项配置(默认为 2 位)。
-
-### 1.2 数据类型兼容性
+### 1.1 数据类型兼容性
当写入数据的类型与序列注册的数据类型不一致时,
- 如果序列数据类型不兼容写入数据类型,系统会给出错误提示。