9 Commits

Author	SHA1	Message	Date
Serguey Zefirov	53b9a2a0f9	MCOL-4580 extent elimination for dictionary-based text/varchar types ... The idea is relatively simple - encode prefixes of collated strings as integers and use them to compute extents' ranges. Then we can eliminate extents with strings. The actual patch does have all the code there but miss one important step: we do not keep collation index, we keep charset index. Because of this, some of the tests in the bugfix suite fail and thus main functionality is turned off. The reason of this patch to be put into PR at all is that it contains changes that made CHAR/VARCHAR columns unsigned. This change is needed in vectorization work.	2022-03-02 23:53:39 +03:00
Leonid Fedorov	04752ec546	clang format apply	2022-01-21 16:43:49 +00:00
Leonid Fedorov	01f3ceb437	replace header guards with #pragma once	2022-01-21 15:24:58 +00:00
Alexander Barkov	9794f24369	MCOL-4801 Replace Row methods getStringLength() and getStringPointer() to getConstString()	2021-07-06 21:15:32 +04:00
Alexander Barkov	765858bc5b	MCOL-4498 LIKE is not collation aware	2021-03-22 20:42:01 +04:00
David Hall	11ba12f6ea	MCOL-3536 collation	2020-05-19 16:22:44 -05:00
David Mott	4b9d046c6e	Fully resolve potentially ambiguous symbols by removing using namespace statements from headers which have a cascading effect. This causes potential behavior changes when switching to c++11 since symbols can be exported from std and boost while both have been imported into the global namespace.	2019-04-29 01:21:15 -05:00
Andrew Hutchings	01446d1e22	Reformat all code to coding standard	2017-10-26 17:18:17 +01:00
david hill	f6afc42dd0	the begginning	2016-01-06 14:08:59 -06:00