GB/T 34949-2017 English PDF

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GB/T 34949-2017: C programming language interface specification of real-time database
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Basic data

Standard ID: GB/T 34949-2017 (GB/T34949-2017)
Description (Translated English): C programming language interface specification of real-time database
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: L67
Classification of International Standard: 35.240.50
Word Count Estimation: 25,216
Date of Issue: 2017-11-01
Date of Implementation: 2018-05-01
Regulation (derived from): National Standard Announcement 2017 No. 29
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China

GB/T 34949-2017: C programming language interface specification of real-time database

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C programming language interface specification of real-time database ICS 35.240.50 L67 National Standards of People's Republic of China Real-time database C language interface specification Posted.2017-11-01 2018-05-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China China National Standardization Administration released Directory Foreword Ⅲ 1 Scope 1 2 Normative references 1 3 Terms and definitions 1 4 Abbreviations 1 5 Overview 2 6 interface description convention 2 7 real-time database interface resources and connection management 2 7.1 resource initialization interface 2 7.2 resource release interface 2 7.3 Real-time library connection interface 2 7.4 Real-time database connection Disconnect the interface 3 8 measuring point management 3 8.1 Test point name existence of the test interface 3 8.2 enumeration point identification interface 3 8.3 Cycle Get ID List Interface 4 8.4 Release result set resource interface 4 8.5 Obtain a single point identification interface 4 according to the name of the point 8.6 Obtain multiple measurement points according to the list of measurement points Identify the interface 4 8.7 Obtain a single point attribute interface 5 according to the point identifier 8.8 Obtain a single measurement point attribute interface 5 according to the measurement point name 8.9 According to the list of measurement points batch measurement point interface 5 8.10 According to the measurement point name list batch measurement point attribute interface 5 8.11 Batch New Test Point Interface 6 8.12 Modify the single point measuring point attribute interface 6 8.13 Batch modify the measuring point attribute interface 6 8.14 Delete a single measuring point interface 6 according to measuring point identification 8.15 Delete a single measuring point interface 6 according to the measuring point name 8.16 Delete measuring point interface in batches according to measuring point identification 7 8.17 According to the measuring point name batch delete measuring point interface 7 8.18 Search qualified point interface 7 9 data is written to 7 9.1 Write a single point of real-time data interface 7 9.2 batch write measuring point real-time data interface 8 9.3 Batch write real-time data interface with same measuring point identification 8 9.4 Batch Write Real-Time Data with the Same Timestamps 8 9.5 write a single point of history data interface 9 at a time 9.6 batch write measuring point historical data interface 9 9.7 Batch Write History Data Interface 9 with Identical Track Identifier 9.8 Batch Write History Data Interface with Same Timestamp 9.9 Remove the data interface 10 from the historical data at a certain time 9.10 Remove the data interface 10 from the historical data for a certain period of time 9.11 Modify Single Historical Data Interface 10 10 data query 10 10.1 read a single point of real-time data interface 10 10.2 batch read measuring point real-time data interface 10 10.3 Reading a single point of history data interface 11 at a time 10.4 Reading a single measuring point for a period of time historical data interface 11 10.5 Loop Get the historical value of the result set Interface 11 10.6 Query the cross-section value interface 12 of a historical moment 10.7 Read the historical data interface 12 at equal intervals and linearly fit after a single measuring point for a period of time 10.8 Read the historical data interface 12 after a single measuring point is fitted at equal intervals in a period of time Statistics 11 11.1 Query the statistical data interface of a single measuring point within a certain period of time 13 11.2 Query the Statistics Interface of a Single Measurement Point at a Certain Time According to the Filter Condition 13 Appendix A (Normative) Data Types 14 Appendix B (Normative) error code 19

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. Please note that some of this document may be patentable. The issuing agencies of this document do not bear the responsibility of identifying these patents. This standard by the National Information Technology Standardization Technical Committee (SAC/TC28) and focal point. This standard was drafted unit. Jiangsu Ruizhong Data Co., Ltd., China Electronics Standardization Institute, Nanjing NARI Group Co., Ltd. Hai Mai Jie Technology Co., Ltd. The main drafters of this standard. Zhang Keheng, Wang Yuan, Ji Shengpeng, Zheng Xiaolu, Su Yong, Shi Yingjie, Zhou Chun, Zhu Heng, Jiang Shousong, Mao Haiquan, Li Xianhui, Shen Guohui, Zhou Jinying, Meng Xiaofan, Li Ying, Wei Fenglin, Wang Xiao, Yang Yongjun. Real-time database C language interface specification

1 Scope

This standard specifies the real-time database C language interface, involving real-time database common interface prototype definition, input parameters and output parameters The data type of the number and the return information of the interface call. This standard applies to the development of real-time database interface, application systems and real-time database integration design and development can refer to the implementation.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version applies to this article Pieces. For undated references, the latest edition (including all amendments) applies to this document. Programming language C GB/T 15272-1994

3 Terms and definitions

The following terms and definitions apply to this document. 3.1 Real-time database real-timedatabase A database specifically designed to process and store values and status variables over time. 3.2 Measuring point A storage unit of time series data in real time database. NOTE Point data may be derived directly from the acquisition equipment or from non-acquisition equipment such as statistics. 3.3 Quality code (status code) qualitycode A set of codes describing data quality attributes, each in 32-bit total. 3.4 Real-time value currentvalue The latest value collected by the measuring point, that is, the value closest to the current time stored in the measuring point in the real-time database. Each real-time value includes the timestamp, number According to the value and quality code three parts. 3.5 Historical value historicalvalue The historical value collected by the measuring point, that is, the non-latest value stored in the measuring point in the real-time database. Historical data is formed by precipitation of real-time data, each calendar Historical value includes time stamp, data value and quality code in three parts. 3.6 ResultSet resultset Call the real-time database common interface returns the resulting data collection, the results of the data format defined by the contents of the query.

4 Abbreviations

The following abbreviations apply to this document. ......

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