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Bitmap index search method, device, computer equipment and storage medium

An index search and bitmap technology, applied in the computer field, can solve problems such as low operation efficiency, and achieve the effect of narrowing the operation range and improving operation efficiency.

Active Publication Date: 2020-11-10
KINGDEE SOFTWARE(CHINA) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, the traditional bitmap operation method has low operation efficiency

Method used

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  • Bitmap index search method, device, computer equipment and storage medium
  • Bitmap index search method, device, computer equipment and storage medium
  • Bitmap index search method, device, computer equipment and storage medium

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Embodiment Construction

[0059] In order to make the purpose, technical solution and advantages of the present application clearer, the present application will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present application, and are not intended to limit the present application.

[0060] The bitmap index search method provided by this application can be applied to such as figure 1 computer equipment shown. The computer device includes a memory and a processor, the memory having a computer program stored therein. When the computer program is executed by the processor, the bitmap index search method provided in this application can be implemented. The computer device can be a terminal or a server. It can be understood that, when the computer device is a terminal, the computer device may also include a display screen, an input device, and the like. ...

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Abstract

The invention relates to a bitmap index searching method and device, computer equipment and a storage medium. The method comprises the following steps of: obtaining a sample; obtaining operation typesof operation among the plurality of target bitmaps, reading respective data validity interval indexes of the plurality of target bitmaps, and determining an index search mode matched with the operation type, and searching an operation interval index shared by a plurality of target bitmaps according to the index search mode based on the data validity interval index, the operation interval index being used for marking a local data interval used for participating in operation in each target bitmap. By the adoption of the scheme, when the multiple bitmaps are operated, the operation efficiency ofthe bitmaps can be improved.

Description

technical field [0001] The present application relates to the field of computer technology, in particular to a bitmap index search method, device, computer equipment and storage medium. Background technique [0002] With the development of computer technology, a multi-dimensional database (Multi Dimensional Database, MDD) has emerged, which stores data in a multi-dimensional array. Because there are a large number of sparse matrices, people can observe the data through multi-dimensional views. However, when the data stored in the multidimensional database is multiple bitmaps, it is sometimes necessary to perform operations on these bitmaps. [0003] In the traditional bitmap operation method, it is necessary to perform operations on two bitmaps first to obtain the operation results of the two bitmaps, and then continue to perform operations on the next bitmap based on the operation results of the two bitmaps. , until all the bitmaps are calculated, the final calculation res...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F16/2453G06F16/22G06F16/28
Inventor 谈少民
Owner KINGDEE SOFTWARE(CHINA) CO LTD