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US Patent 11494384 Processing queries on semi-structured data columns

Patent 11494384 was granted and assigned to Snowflake on November, 2022 by the United States Patent and Trademark Office.

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Contents

Is a
Patent
Patent

Patent attributes

Patent Applicant
Current Assignee
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent Number
11494384
Date of Patent
November 8, 2022
Patent Application Number
17655124
Date Filed
March 16, 2022
Patent Citations
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US Patent 10628418 Data driven multi-provider pruning for query execution plan
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US Patent 10025823 Techniques for evaluating query predicates during in-memory table scans
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US Patent 10311062 Filtering structured data using inexact, culture-dependent terms
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US Patent 10528599 Tiered data processing for distributed data
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US Patent 10705809 Pruning engine
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US Patent 10713243 Precompiled SQL queries that allow for dynamic selection of columns
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US Patent 10769150 Pruning indexes to enhance database query processing
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US Patent 10812495 Secure personalized trust-based messages classification system and method
...
Patent Citations Received
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US Patent 11893025 Scan set pruning for queries with predicates on semi-structured fields
0
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US Patent 11803551 Pruning index generation and enhancement
Patent Primary Examiner
‌
Merilyn P Nguyen
CPC Code
‌
G06F 16/2272
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G06F 16/283
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G06F 16/9035
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G06F 17/18
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G06F 16/2255
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G06F 16/24557
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G06F 16/24542
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G06F 16/2455
...

A source table organized into a set of batch units is accessed. The source table comprises a column of data corresponding to a semi-structured data type. One or more indexing transformations for an object in the column are generated. The generating of the one or more indexing transformation includes converting the object to one or more stored data types. A pruning index is generated for the source table based in part on the one or more indexing transformations. The pruning index comprises a set of filters that index distinct values in each column of the source table, and each filter corresponds to a batch unit in the set of batch units. The pruning index is stored in a database with an association with the source table.

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