US 11,755,575 B2
Processing database queries using format conversion
Chanho Jeong, Seoul (KR); Sangyong Hwang, Leimen (DE); Sang Kyun Cha, Seoul (KR); and Sung Heun Wi, Gyeonggi-do (KR)
Assigned to SAP SE, Walldorf (DE)
Filed by SAP SE, Walldorf (DE)
Filed on Oct. 13, 2021, as Appl. No. 17/500,194.
Application 17/500,194 is a continuation of application No. 16/159,084, filed on Oct. 12, 2018, granted, now 11,176,132.
Application 16/159,084 is a continuation of application No. 15/140,794, filed on Apr. 28, 2016, granted, now 10,127,278, issued on Nov. 13, 2018.
Application 15/140,794 is a continuation of application No. 14/508,524, filed on Oct. 7, 2014, granted, now 9,361,340, issued on Jun. 7, 2016.
Application 14/508,524 is a continuation of application No. 12/982,673, filed on Dec. 30, 2010, granted, now 8,880,508, issued on Nov. 4, 2014.
Prior Publication US 2022/0035815 A1, Feb. 3, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. G06F 16/2453 (2019.01); G06F 16/00 (2019.01); G06F 16/20 (2019.01); G06F 16/25 (2019.01); G06F 16/2455 (2019.01)
CPC G06F 16/24542 (2019.01) [G06F 16/00 (2019.01); G06F 16/20 (2019.01); G06F 16/24547 (2019.01); G06F 16/24557 (2019.01); G06F 16/258 (2019.01)] 19 Claims
OG exemplary drawing
 
1. A method comprising:
receiving a query for one or more data items stored at least in part in an in-memory database, wherein the query comprises a query plan including at least one operator;
identifying the at least one query operator uses data having a format that is different from a storage model format used at the in-memory database to store at least one of the one or more data items, wherein the format and the storage model format differ with respect to a row format and a column format; and
in response to the identifying, converting the format of the data used by the at least one query operator to the storage model format of the at least one of the one or more data items stored in the in-memory database.