Patents by Inventor Nithin Mahesh

Nithin Mahesh has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11645232
    Abstract: Techniques for executing show commands are described herein. A plurality of navigation steps is utilized, each navigation step corresponding to a different layer in a database structure and each navigation step including an operator to fetch items from a metadata database up to respective bounded limits. Dependency information is also fetched for objects of the specified object type in the show command. After a set of objects from the last layer are processed, memory for the navigation steps is flushed and the next set of objects are processed.
    Type: Grant
    Filed: June 29, 2022
    Date of Patent: May 9, 2023
    Assignee: Snowflake Inc.
    Inventors: Lin Chan, Tianyi Chen, Robert Bengt Benedikt Gernhardt, Nithin Mahesh, Eric Robinson
  • Publication number: 20230134358
    Abstract: As described herein, a N-Gram index may be created and the search may be conducted using the index, which will lead to faster search results. The N-Gram index may also include partial N-Gram components to capture more relevant data. Moreover, as described herein, the search may also take into account recent log data that has not yet been indexed. Techniques for building an index store using log data and efficiently searching the index store and log data to process search requests are described herein.
    Type: Application
    Filed: November 30, 2021
    Publication date: May 4, 2023
    Inventors: Lin Chan, Tianyi Chen, Benoit Dageville, Yiming Kang, Jun Luo, Nithin Mahesh, Eric Robinson, Brian Smith
  • Publication number: 20230138110
    Abstract: Techniques for executing show commands are described herein. A plurality of navigation steps is utilized, each navigation step corresponding to a different layer in a database structure and each navigation step including an operator to fetch items from a metadata database up to respective bounded limits. Dependency information is also fetched for objects of the specified object type in the show command. After a set of objects from the last layer are processed, memory for the navigation steps is flushed and the next set of objects are processed.
    Type: Application
    Filed: June 29, 2022
    Publication date: May 4, 2023
    Inventors: Lin Chan, Tianyi Chen, Robert Bengt Benedikt Gernhardt, Nithin Mahesh, Eric Robinson
  • Patent number: 11640412
    Abstract: A system for sub-table replication within a materialized view of a source data table. A materialized view of a source data table is generated based on a query, the source data table having a plurality of data table rows associated with a plurality of client identifiers and including an entitlements column and data content, the entitlements column including a plurality of provider account identifiers and a plurality of consumer account identifiers. An update to an entitlements table of the source data table is detected where the entitlements table includes a plurality of entitlements table rows and where the entitlements table rows are associated with the client identifiers, the consumer account identifiers, and the provider account identifiers. An update to the source data table based on the first update to the entitlements table is detected, and an incremental replication of the materialized view of the source data table is performed.
    Type: Grant
    Filed: May 31, 2022
    Date of Patent: May 2, 2023
    Assignee: Snowflake Inc.
    Inventors: Pui Kei Johnston Chu, Shreyas Narendra Desai, German Alberto Gil Echeverri, Prasanna Krishnan, Nithin Mahesh, Subramanian Muralidhar, Eric Robinson, Sahaj Saini
  • Patent number: 11636110
    Abstract: As described herein, a N-Gram index may be created and the search may be conducted using the index, which will lead to faster search results. The N-Gram index may also include partial N-Gram components to capture more relevant data. Moreover, as described herein, the search may also take into account recent log data that has not yet been indexed. Techniques for building an index store using log data and efficiently searching the index store and log data to process search requests are described herein.
    Type: Grant
    Filed: November 30, 2021
    Date of Patent: April 25, 2023
    Assignee: Snowflake Inc.
    Inventors: Lin Chan, Tianyi Chen, Benoit Dageville, Yiming Kang, Jun Luo, Nithin Mahesh, Eric Robinson, Brian Smith
  • Patent number: 11586515
    Abstract: Described herein are techniques for improving disaster recovery, in particular disaster recovery pertaining to data transfer requests. The data transfer request can be received by each of multiple deployments; however, only a primary deployment can process the request. The data transferred by the primary deployment may be replicated in the secondary deployments. In response to a failover event, one of the secondary deployments can be designated as the new primary development and continue the data transfer based on the data transfer request and the replication information received from the old primary deployment prior to the failover.
    Type: Grant
    Filed: May 18, 2022
    Date of Patent: February 21, 2023
    Assignee: Snowflake Inc.
    Inventors: Abdullah Al Mahmood, Ruta Dhaneshwar, Xin Huang, Ganeshan Ramachandran Iyer, Jiaxing Liang, Nithin Mahesh, Raghav Ramachandran, Purav B. Saraiya, Yanyi Zhang
  • Patent number: 11539677
    Abstract: A networked device communication system can configure network devices (e.g., a primary and secondary database) to send and receive sequences of messages, such as replicated data, using one or more keypairs and wrapping keys. The sequences of messages can include an initial set of messages that are encrypted by a wrapping key, and further include another set of messages that are encrypted by a replaced staggered key. The sequence of messages can be configured to be decrypted without exporting keys of hardware security modules.
    Type: Grant
    Filed: March 25, 2022
    Date of Patent: December 27, 2022
    Assignee: Snowflake Inc.
    Inventors: Damien Carru, Robert Bengt Benedikt Gernhardt, Martin Hentschel, Nithin Mahesh, Eric Robinson
  • Patent number: 11494411
    Abstract: Provided herein are systems and methods for configuring replication of account object metadata. A system includes at least one hardware processor coupled to a memory and configured to decode a replication request received from a client device of a data provider. The replication request indicates at least a first account object, a source account, and a target account of the data provider. An object dependency of the at least first account object to at least a second account object of the data provider is determined. A replication of the at least first account object and the at least second account object is performed from the source account into the target account of the data provider.
    Type: Grant
    Filed: December 10, 2021
    Date of Patent: November 8, 2022
    Assignee: Snowflake Inc.
    Inventors: Robert Bengt Benedikt Gernhardt, Chao-Yang Lo, Nithin Mahesh, Subramanian Muralidhar, Sahaj Saini
  • Publication number: 20220318269
    Abstract: A method of implementing sub-table replication starts with the processor detecting an update to an entitlements table. The processor performs filtering of a data table based on the update to the entitlements table. The data table including an entitlements column. The processor detects an update to the entitlements column and performs incremental replication of the data table by causing a version-based replication to be executed. Other embodiments are also described herein.
    Type: Application
    Filed: June 21, 2022
    Publication date: October 6, 2022
    Inventors: Pui Kei Johnston Chu, Shreyas Narendra Desai, German Alberto Gil Echeverri, Prasanna Krishnan, Nithin Mahesh, Subramanian Muralidhar, Eric Robinson, Sahaj Saini
  • Publication number: 20220292115
    Abstract: A system for sub-table replication within a materialized view of a source data table. A materialized view of a source data table is generated based on a query, the source data table having a plurality of data table rows associated with a plurality of client identifiers and including an entitlements column and data content, the entitlements column including a plurality of provider account identifiers and a plurality of consumer account identifiers. An update to an entitlements table of the source data table is detected where the entitlements table includes a plurality of entitlements table rows and where the entitlements table rows are associated with the client identifiers, the consumer account identifiers, and the provider account identifiers. An update to the source data table based on the first update to the entitlements table is detected, and an incremental replication of the materialized view of the source data table is performed.
    Type: Application
    Filed: May 31, 2022
    Publication date: September 15, 2022
    Inventors: Pui Kei Johnston Chu, Shreyas Narendra Desai, German Alberto Gil Echeverri, Prasanna Krishnan, Nithin Mahesh, Subramanian Muralidhar, Eric Robinson, Sahaj Saini
  • Patent number: 11436257
    Abstract: A method of implementing sub-table replication starts with the processor detecting an update to an entitlements table. The processor performs filtering of a data table based on the update to the entitlements table. The data table including an entitlements column. The processor detects an update to the entitlements column and performs incremental replication of the data table by causing a version-based replication to be executed. Other embodiments are also described herein.
    Type: Grant
    Filed: June 18, 2021
    Date of Patent: September 6, 2022
    Assignee: Snowflake Inc.
    Inventors: Pui Kei Johnston Chu, Shreyas Narendra Desai, German Alberto Gil Echeverri, Prasanna Krishnan, Nithin Mahesh, Subramanian Muralidhar, Eric Robinson, Sahaj Saini
  • Patent number: 11403259
    Abstract: Techniques for executing show commands are described herein. A plurality of navigation steps is utilized, each navigation step corresponding to a different layer in a database structure and each navigation step including an operator to fetch items from a metadata database up to respective bounded limits. Dependency information is also fetched for objects of the specified object type in the show command. After a set of objects from the last layer are processed, memory for the navigation steps is flushed and the next set of objects are processed.
    Type: Grant
    Filed: October 29, 2021
    Date of Patent: August 2, 2022
    Assignee: Snowflake Inc.
    Inventors: Lin Chan, Tianyi Chen, Robert Bengt Benedikt Gernhardt, Nithin Mahesh, Eric Robinson
  • Patent number: 11397751
    Abstract: A method of implementing sub-table replication starts with the processor detecting an update to an entitlements table. The processor performs filtering of a data table based on the update to the entitlements table. The data table including an entitlements column. The processor detects an update to the entitlements column and performs incremental replication of the data table by causing a version-based replication to be executed. Other embodiments are also described herein.
    Type: Grant
    Filed: June 18, 2021
    Date of Patent: July 26, 2022
    Assignee: Snowflake Inc.
    Inventors: Pui Kei Johnston Chu, Shreyas Narendra Desai, German Alberto Gil Echeverri, Prasanna Krishnan, Nithin Mahesh, Subramanian Muralidhar, Eric Robinson, Sahaj Saini
  • Publication number: 20220217125
    Abstract: A networked device communication system can configure network devices (e.g., a primary and secondary database) to send and receive sequences of messages, such as replicated data, using one or more keypairs and wrapping keys. The sequences of messages can include an initial set of messages that are encrypted by a wrapping key, and further include another set of messages that are encrypted by a replaced staggered key. The sequence of messages can be configured to be decrypted without exporting keys of hardware security modules.
    Type: Application
    Filed: March 25, 2022
    Publication date: July 7, 2022
    Inventors: Damien Carru, Robert Bengt Benedikt Gernhardt, Martin Hentschel, Nithin Mahesh, Eric Robinson
  • Patent number: 11372891
    Abstract: A method of implementing sub-table replication starts with the processor detecting a first update to an entitlements table. The processor then performs incremental replication of the data table by causing a full inventory replication at a next refresh to be executed for provider accounts associated with the provider account identifiers in the entitlements table. Other embodiments are also described herein.
    Type: Grant
    Filed: April 9, 2021
    Date of Patent: June 28, 2022
    Assignee: Snowflake Inc.
    Inventors: Pui Kei Johnston Chu, Shreyas Narendra Desai, German Alberto Gil Echeverri, Prasanna Krishnan, Nithin Mahesh, Subramanian Muralidhar, Eric Robinson, Sahaj Saini
  • Patent number: 11290433
    Abstract: A networked device communication system can configure network devices (e.g., a primary and secondary database) to send and receive sequences of messages, such as replicated data, using one or more keypairs and wrapping keys. The sequences of messages can include an initial set of messages that are encrypted by a wrapping key, and further include another set of messages that are encrypted by a replaced staggered key. The sequence of messages can be configured to be decrypted without exporting keys of hardware security modules.
    Type: Grant
    Filed: March 31, 2021
    Date of Patent: March 29, 2022
    Assignee: Snowflake Inc.
    Inventors: Damien Carru, Robert Bengt Benedikt Gernhardt, Martin Hentschel, Nithin Mahesh, Eric Robinson
  • Publication number: 20210374158
    Abstract: A method of implementing sub-table replication starts with the processor detecting a first update to an entitlements table. The processor filters of a data table based on the first update. The processor then detects a second update to the entitlements table and performs incremental replication of the data table by causing a full inventory replication at a next refresh to be executed for provider accounts associated with the provider account identifiers in the entitlements table. Other embodiments are also described herein.
    Type: Application
    Filed: April 9, 2021
    Publication date: December 2, 2021
    Inventors: Pui Kei Johnston Chu, Shreyas Narendra Desai, German Alberto Gil Echeverri, Prasanna Krishnan, Nithin Mahesh, Subramanian Muralidhar, Eric Robinson, Sahaj Saini
  • Publication number: 20210374159
    Abstract: A method of implementing sub-table replication starts with the processor detecting an update to an entitlements table. The processor performs filtering of a data table based on the update to the entitlements table. The data table including an entitlements column. The processor detects an update to the entitlements column and performs incremental replication of the data table by causing a version-based replication to be executed. Other embodiments are also described herein.
    Type: Application
    Filed: June 18, 2021
    Publication date: December 2, 2021
    Inventors: Pui Kei Johnston Chu, Shreyas Narendra Desai, German Alberto Gil Echeverri, Prasanna Krishnan, Nithin Mahesh, Subramanian Muralidhar, Eric Robinson, Sahaj Saini
  • Publication number: 20210344655
    Abstract: A networked device communication system can configure network devices (e.g., a primary and secondary database) to send and receive sequences of messages, such as replicated data, using one or more keypairs and wrapping keys. The sequences of messages can include an initial set of messages that are encrypted by a wrapping key, and further include another set of messages that are encrypted by a replaced staggered key. The sequence of messages can be configured to be decrypted without exporting keys of hardware security modules.
    Type: Application
    Filed: March 31, 2021
    Publication date: November 4, 2021
    Inventors: Damien Carru, Robert Bengt Benedikt Gernhardt, Martin Hentschel, Nithin Mahesh, Eric Robinson
  • Publication number: 20210281544
    Abstract: Different database deployments, or other data system deployments, may want to communicate with each other without sacrificing security or control. To this end, embodiments of the present disclosure may provide secure message exchange techniques for a source and/or target deployment. Configurable rule sets may be stored in the deployments; the rule sets may define what messages may be communicated between deployments. The deployments may implement a selective filtering scheme in one or more stages based on the rule sets to filter outgoing and/or incoming messages.
    Type: Application
    Filed: January 22, 2021
    Publication date: September 9, 2021
    Inventors: Robert Bengt Benedikt Gernhardt, Mikhail Kazhamiaka, Nithin Mahesh, Eric Robinson