CN117453755A - Metadata uniqueness checking method and system based on custom primary key - Google Patents
Metadata uniqueness checking method and system based on custom primary key Download PDFInfo
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- CN117453755A CN117453755A CN202311476089.4A CN202311476089A CN117453755A CN 117453755 A CN117453755 A CN 117453755A CN 202311476089 A CN202311476089 A CN 202311476089A CN 117453755 A CN117453755 A CN 117453755A
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- 238000012216 screening Methods 0.000 claims description 9
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
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- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/24—Querying
- G06F16/245—Query processing
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
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Abstract
The invention relates to the technical field of metadata processing, and provides a metadata uniqueness checking method and system based on a custom primary key, wherein the method comprises the following steps: when defining the metadata model, carrying out primary key identification on the attribute of the metadata model, and generating a primary key attribute serial number for the attribute subjected to the primary key identification; when metadata is collected, generating a custom primary key value of the metadata according to a primary key identifier and a primary key attribute serial number of an attribute in a metadata model corresponding to the metadata; and when the collected metadata is stored, searching whether the metadata with the same self-defined main key value exists or not according to the main key value of the metadata, and storing the collected metadata according to a searching result. The metadata uniqueness checking method and system based on the custom primary key generate the custom primary key through the metadata model attribute as the unique identifier of the metadata, and solve the problem that whether the metadata is unique or not cannot be judged in a metadata acquisition scene crossing multiple data sources and multiple systems.
Description
Technical Field
The invention relates to the technical field of metadata processing, in particular to a metadata uniqueness checking method and system based on a custom primary key.
Background
Metadata is data describing data, mainly information describing attributes of data, including organization of data, data fields, relationships thereof, and the like. The metadata is used to support functions such as indicating storage locations, history data, resource lookups, file records, and the like.
Metadata models (Metadata models) are models used to describe Metadata, which define the attributes, relationships, and models of Metadata, each type of Metadata belongs to one Metadata Model. Metadata collection refers to the process of obtaining metadata from different sources and systems, and comprises data elements and contents such as relationships, attributes, definitions, descriptions, use and the like of the data elements, and is a key link of data management, so that necessary information support is provided for subsequent data analysis, data asset management, data modeling, information management and the like.
In practical application, especially in large-scale data systems, because metadata are distributed in different subsystems, it often happens that attribute values (such as names, IDs and other traditional unique value identification attributes) of the metadata are the same, so that whether the metadata are the same metadata cannot be distinguished, and therefore system abnormality is caused or acquisition metadata loss occurs.
Therefore, how to provide a method for verifying the uniqueness of metadata is a technical problem to be solved.
Disclosure of Invention
In view of the above, in order to overcome the defects of the prior art, the invention aims to provide a metadata uniqueness checking method and system based on a custom primary key.
According to a first aspect of the present invention, there is provided a metadata uniqueness verification method based on a custom primary key, including:
when defining the metadata model, carrying out primary key identification on the attribute of the metadata model, and generating a primary key attribute serial number for the attribute subjected to the primary key identification;
when metadata is collected, generating a custom primary key value of the metadata according to a primary key identifier and a primary key attribute serial number of an attribute in a metadata model corresponding to the metadata;
and when the collected metadata is stored, searching whether the metadata with the same self-defined main key value exists or not according to the main key value of the metadata, and storing the collected metadata according to a searching result.
Preferably, in the metadata uniqueness checking method based on the custom primary key, when defining the metadata model, the primary key identification is performed on the attribute of the metadata model, and the primary key attribute serial number is generated for the attribute marked by the primary key, including:
when defining the metadata model, adding an identification bit for the attribute of the metadata model, and setting a main key attribute judgment value for the added identification bit according to the requirement of model definition;
when the requirement of the model definition is yes, the main key attribute judgment value of the zone bit of the corresponding attribute is set to be yes, and when the requirement of the model definition is not, the main key attribute judgment value of the zone bit of the corresponding attribute is set to be no;
and setting a main key attribute serial number for the attribute with the main key attribute judging value being yes.
Preferably, in the metadata uniqueness verification method based on the custom primary key, primary key identification is performed on one or more attributes of the metadata model.
Preferably, in the metadata uniqueness checking method based on the self-defined primary key, a primary key attribute serial number is set for the attribute marked by the primary key according to the application scene of the metadata model.
Preferably, in the metadata uniqueness checking method based on the user-defined primary key, the uniqueness of the corresponding metadata in the corresponding application scene can be determined after the corresponding attributes of the metadata model are ordered according to the set primary key attribute serial numbers.
Preferably, in the metadata uniqueness verification method based on a custom primary key, when metadata is collected, generating a custom primary key value of the metadata according to a primary key identifier and a primary key attribute serial number of an attribute in a metadata model corresponding to the metadata, including:
when metadata is acquired, screening the attribute of which the primary key attribute judgment value is yes according to the primary key identification;
sorting attribute values of the attributes obtained by screening according to the attribute sequence number of the primary key of the attributes obtained by screening;
and sequentially connecting the sequenced attribute values, and setting separation symbols between adjacent attribute values to obtain the custom primary key value of the acquired metadata.
Preferably, in the metadata uniqueness checking method based on a custom primary key, when storing collected metadata, searching whether metadata with the same custom primary key value exists according to a primary key value of the metadata, and storing the collected metadata according to a searching result, wherein the method comprises the following steps: when the metadata with the same custom primary key value already exists, the collected metadata is adopted to update the metadata with the same custom primary key value already existing.
Preferably, in the metadata uniqueness checking method based on a custom primary key, when storing collected metadata, searching whether metadata with the same custom primary key value exists according to a primary key value of the metadata, and storing the collected metadata according to a searching result, wherein the method comprises the following steps: and when the metadata with the same custom primary key value does not exist, storing the collected metadata.
According to a second aspect of the present invention, there is provided a metadata uniqueness verification system based on a custom primary key, including a verification server for performing primary key identification on an attribute of a metadata model when defining the metadata model, and generating a primary key attribute sequence number for the attribute subjected to the primary key identification; when metadata is collected, generating a custom primary key value of the metadata according to a primary key identifier and a primary key attribute serial number of an attribute in a metadata model corresponding to the metadata; and when the collected metadata is stored, searching whether the metadata with the same self-defined main key value exists or not according to the main key value of the metadata, and storing the collected metadata according to a searching result.
According to a third aspect of the present invention there is provided a computer device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the method of the first aspect of the present invention when executing the program.
The metadata uniqueness checking method and system based on the custom primary key generate the custom primary key through the metadata model attribute as the unique identifier of the metadata, and solve the problem that whether the metadata is unique or not cannot be judged in a metadata acquisition scene crossing multiple data sources and multiple systems.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a system for a metadata uniqueness check method based on custom primary keys, which is suitable for use in an embodiment of the present invention;
FIG. 2 is a flowchart illustrating a metadata uniqueness checking method based on a custom primary key according to an embodiment of the present invention;
FIG. 3 is an exemplary diagram of attribute definition of a metadata model in accordance with embodiments of the present invention;
FIG. 4 is an exemplary diagram of generating a custom primary key based on a metadata uniqueness verification method of the custom primary key according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of the apparatus provided by the present invention.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
It should be noted that, without conflict, the following embodiments and features in the embodiments may be combined with each other; and, based on the embodiments in this disclosure, all other embodiments that may be made by one of ordinary skill in the art without inventive effort are within the scope of the present disclosure.
It is noted that various aspects of the embodiments are described below within the scope of the following claims. It should be apparent that the aspects described herein may be embodied in a wide variety of forms and that any specific structure and/or function described herein is merely illustrative. Based on the present disclosure, one skilled in the art will appreciate that one aspect described herein may be implemented independently of any other aspect, and that two or more of these aspects may be combined in various ways. For example, an apparatus may be implemented and/or a method practiced using any number of the aspects set forth herein. In addition, such apparatus may be implemented and/or such methods practiced using other structure and/or functionality in addition to one or more of the aspects set forth herein.
FIG. 1 illustrates an exemplary system for a custom primary key-based metadata uniqueness verification method suitable for use in embodiments of the present invention. As shown in fig. 1, the system may include a verification server 101, a communication network 102, and/or one or more verification clients 103, which are illustrated in fig. 1 as a plurality of verification clients 103.
Verification server 101 may be any suitable server for storing information, data, programs, and/or any other suitable type of content. In some embodiments, the verification server 101 may perform appropriate functions. For example, in some embodiments, the verification server 101 may be used to verify the uniqueness of the metadata. As an alternative example, in some embodiments, the verification server 101 may be used to verify the uniqueness of metadata by building custom primary keys. For example, the verification server 101 may be configured to perform a primary key identifier on an attribute of the metadata model when defining the metadata model, and generate a primary key attribute serial number for the attribute that is subject to the primary key identifier; when metadata is collected, generating a custom primary key value of the metadata according to a primary key identifier and a primary key attribute serial number of an attribute in a metadata model corresponding to the metadata; and when the collected metadata is stored, searching whether the metadata with the same self-defined main key value exists or not according to the main key value of the metadata, and storing the collected metadata according to a searching result.
As another example, in some embodiments, the verification server 101 may send a metadata uniqueness verification method based on the custom primary key to the verification client 103 for use by the user according to the request of the verification client 103.
As an optional example, in some embodiments, the verification client 103 is configured to provide a visual verification interface, where the visual verification interface is configured to receive a selection input operation for verifying the uniqueness of metadata by a user, and is configured to obtain, in response to the selection input operation, a verification interface corresponding to an option selected by the selection input operation from the verification server 101 and display the verification interface, where at least information for verifying the uniqueness of metadata and an operation option for verifying the uniqueness of metadata are displayed in the verification interface.
In some embodiments, communication network 102 may be any suitable combination of one or more wired and/or wireless networks. For example, the communication network 102 can include any one or more of the following: the internet, an intranet, a Wide Area Network (WAN), a Local Area Network (LAN), a wireless network, a Digital Subscriber Line (DSL) network, a frame relay network, an Asynchronous Transfer Mode (ATM) network, a Virtual Private Network (VPN), and/or any other suitable communication network. The verification client 103 can be connected to the communication network 102 via one or more communication links (e.g., communication link 104), and the communication network 102 can be linked to the verification server 101 via one or more communication links (e.g., communication link 105). The communication link may be any communication link suitable for transferring data between the verification client 103 and the verification server 101, such as a network link, a dial-up link, a wireless link, a hardwired link, any other suitable communication link, or any suitable combination of such links.
Verifying the client 103 may include presenting any one or more clients in a suitable form that are uniquely related to verifying metadata for use and operation by a user. In some embodiments, verification client 103 may comprise any suitable type of device. For example, in some embodiments, verification client 103 may include a mobile device, a tablet computer, a laptop computer, a desktop computer, and/or any other suitable type of client device.
Although the verification server 101 is illustrated as one device, in some embodiments any suitable number of devices may be used to perform the functions performed by the verification server 101. For example, in some embodiments, multiple devices may be used to implement the functions performed by the verification server 101. Alternatively, the function of the verification service 101 may be implemented using a cloud service.
Based on the above system, the embodiment of the invention provides a metadata uniqueness checking method based on a custom primary key, which is described in the following embodiments.
Referring to fig. 2, a flowchart illustrating steps of a metadata uniqueness checking method based on a custom primary key according to an embodiment of the present invention is shown.
The metadata uniqueness verification method based on the custom primary key of the embodiment can be executed at a verification server, and comprises the following steps:
step S201: and when the metadata model is defined, carrying out primary key identification on the attribute of the metadata model, and generating a primary key attribute serial number for the attribute subjected to the primary key identification.
As an optional example, when defining a metadata model, the method of the embodiment of the present invention first needs to add an identification bit to an attribute of the metadata model, and sets a primary key attribute judgment value for the added identification bit according to requirements defined by the model. In practical application, the main key attribute judgment value of the identification bit is selected by a model definition user by oneself, when the requirement of the model definition is yes, the main key attribute judgment value of the identification bit of the corresponding attribute is set to be yes, and when the requirement of the model definition is not, the main key attribute judgment value of the identification bit of the corresponding attribute is set to be no;
it should be noted that in the method of this embodiment, one metadata model may include a plurality of primary key attributes, that is, in the method of this embodiment, one or more attributes of the metadata model may be primary key identified. FIG. 3 is an exemplary diagram of attribute definition of a metadata model in an embodiment of the present invention. As shown in fig. 3, when the metadata model includes a plurality of primary key attributes, after the setting of the primary key attribute judgment value is completed, the method of the present embodiment further needs to set a primary key attribute sequence number for the attribute for which the primary key attribute judgment value is yes.
As an optional example, in the method of this embodiment, a primary key attribute sequence number is set for an attribute that is identified by a primary key according to an application scenario of a metadata model, and it should be noted that, in the method of this embodiment, the primary key attribute sequence number is set according to that, after the corresponding attribute of the metadata model is ordered according to the set primary key attribute sequence number, the uniqueness of the corresponding metadata in the corresponding application scenario can be determined.
Step S202: and when metadata is acquired, generating a custom primary key value of the metadata according to the primary key identification and the primary key attribute serial number of the attribute in the metadata model corresponding to the metadata.
As an optional example, when metadata is collected, the method of the embodiment screens the attribute of which the primary key attribute judgment value is yes according to the primary key identifier; after the screening of the attributes is completed, the method of the embodiment sorts the attribute values of the attributes obtained by screening according to the attribute sequence number of the primary key of the attributes obtained by screening; and sequentially connecting the sequenced attribute values, and setting separation symbols between adjacent attribute values to obtain the custom primary key value of the acquired metadata. Fig. 4 is an exemplary diagram of generating a custom primary key based on a metadata uniqueness verification method of the custom primary key according to an embodiment of the present invention. As shown in fig. 4, in the method of this embodiment, the # separation symbol may be set between attribute values connected after sorting.
Step S203: and when the collected metadata is stored, searching whether the metadata with the same self-defined main key value exists or not according to the main key value of the metadata, and storing the collected metadata according to a searching result.
As an optional example, in the method of this embodiment, when metadata having the same custom primary key value already exists, the collected metadata is used to update the metadata having the same custom primary key value already existing; and when the metadata with the same custom primary key value does not exist, storing the collected metadata.
The method provided by the embodiment of the invention generates the custom primary key as the unique identifier of the metadata through the metadata model attribute, so that the problem that whether the metadata is unique or not cannot be judged in a metadata acquisition scene crossing multiple data sources and multiple systems is solved.
As shown in FIG. 5, the present invention also provides an apparatus comprising a processor 310, a communication interface 320, a memory 330 for storing a processor executable computer program, and a communication bus 340. Wherein the processor 310, the communication interface 320 and the memory 330 perform communication with each other through the communication bus 340. The processor 310 implements the above-described metadata uniqueness checking method based on the custom primary key by running an executable computer program.
The computer program in the memory 330 may be implemented in the form of software functional units and may be stored in a computer-readable storage medium when sold or used as a separate product. Based on such understanding, the technical solution of the present application may be embodied essentially or in a part contributing to the prior art or in a part of the technical solution, in the form of a software product stored in a storage medium, including several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the methods of the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), a magnetic disk, or an optical disk, or other various media capable of storing program codes.
The system embodiments described above are merely illustrative, in which elements illustrated as separate elements may or may not be physically separate, and elements shown as elements may or may not be physical elements, may be located in one place, or may be distributed over a plurality of network elements. Some or all of the modules may be selected based on actual needs to achieve the purpose of the embodiment. Those of ordinary skill in the art will understand and implement the present invention without undue burden.
From the above description of the embodiments, it will be apparent to those skilled in the art that the embodiments may be implemented by means of software plus necessary general hardware platforms, or of course may be implemented by means of hardware. Based on such understanding, the foregoing technical solutions may be embodied essentially or in part in the form of a software product, which may be stored in a computer-readable storage medium, such as a ROM/RAM, a magnetic disk, an optical disk, etc., including several instructions to cause a computer device (which may be a personal computer, a server, or a network device, etc.) to perform the various embodiments or methods of some parts of the embodiments.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the scope of the present invention should be included in the present invention. Therefore, the protection scope of the invention is subject to the protection scope of the claims.
Claims (10)
1. A metadata uniqueness verification method based on a custom primary key, the method comprising:
when defining the metadata model, carrying out primary key identification on the attribute of the metadata model, and generating a primary key attribute serial number for the attribute subjected to the primary key identification;
when metadata is collected, generating a custom primary key value of the metadata according to a primary key identifier and a primary key attribute serial number of an attribute in a metadata model corresponding to the metadata;
and when the collected metadata is stored, searching whether the metadata with the same self-defined main key value exists or not according to the main key value of the metadata, and storing the collected metadata according to a searching result.
2. The method for verifying the uniqueness of metadata based on a custom primary key according to claim 1, wherein when defining a metadata model, performing primary key identification on an attribute of the metadata model, generating a primary key attribute sequence number for the attribute subjected to the primary key identification, comprises:
when defining the metadata model, adding an identification bit for the attribute of the metadata model, and setting a main key attribute judgment value for the added identification bit according to the requirement of model definition;
when the requirement of the model definition is yes, the main key attribute judgment value of the zone bit of the corresponding attribute is set to be yes, and when the requirement of the model definition is not, the main key attribute judgment value of the zone bit of the corresponding attribute is set to be no;
and setting a main key attribute serial number for the attribute with the main key attribute judging value being yes.
3. The custom primary key-based metadata uniqueness verification method of claim 1, wherein primary key identification is performed on one or more attributes of the metadata model.
4. The metadata uniqueness verification method based on the custom primary key according to claim 1, wherein a primary key attribute sequence number is set for the attribute identified by the primary key according to an application scenario of the metadata model.
5. The metadata uniqueness verification method based on the custom primary key according to claim 4, wherein the uniqueness of the corresponding metadata in the corresponding application scenario can be determined after the corresponding attributes of the metadata model are ordered according to the set primary key attribute sequence number.
6. The metadata uniqueness verification method based on a custom primary key according to claim 1, wherein when metadata is collected, generating a custom primary key value of the metadata according to a primary key identifier and a primary key attribute serial number of an attribute in a metadata model corresponding to the metadata comprises:
when metadata is acquired, screening the attribute of which the primary key attribute judgment value is yes according to the primary key identification;
sorting attribute values of the attributes obtained by screening according to the attribute sequence number of the primary key of the attributes obtained by screening;
and sequentially connecting the sequenced attribute values, and setting separation symbols between adjacent attribute values to obtain the custom primary key value of the acquired metadata.
7. The method for verifying the uniqueness of metadata based on a custom primary key according to claim 1, wherein when storing the collected metadata, searching whether metadata with the same custom primary key value exists according to the primary key value of the metadata, and storing the collected metadata according to the searching result comprises the following steps: when the metadata with the same custom primary key value already exists, the collected metadata is adopted to update the metadata with the same custom primary key value already existing.
8. The method for verifying the uniqueness of metadata based on a custom primary key according to claim 1, wherein when storing the collected metadata, searching whether metadata with the same custom primary key value exists according to the primary key value of the metadata, and storing the collected metadata according to the searching result comprises the following steps: and when the metadata with the same custom primary key value does not exist, storing the collected metadata.
9. The metadata uniqueness verification system based on the self-defined main key is characterized by comprising a verification server, wherein the verification server is used for carrying out main key identification on the attribute of a metadata model when the metadata model is defined, and generating a main key attribute serial number for the attribute passing through the main key identification; when metadata is collected, generating a custom primary key value of the metadata according to a primary key identifier and a primary key attribute serial number of an attribute in a metadata model corresponding to the metadata; and when the collected metadata is stored, searching whether the metadata with the same self-defined main key value exists or not according to the main key value of the metadata, and storing the collected metadata according to a searching result.
10. A computer device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the steps of the method according to any one of claims 1-8 when the program is executed.
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