Issue #1575790 by greg.1.anderson, sun, tim.plunkett, superhenne: Fixed Update #7002 fails on postgres - ILIKE operator on bytea not supported.

Issue #1739808 by Berdir, salvis | GrzegorzNowak: Fixed Notice: Undefined index: file in DatabaseLog->findCaller().

Issue #1542186 by pp, redcell, rickmanelius: Fixed PHP 5.4 'Illegal string offset' warning when install.

Issue #1237252 by mfb, bfroehle, drewish, Berdir, iamEAP, drumm: Fixed DB Case Sensitivity: Allow BINARY attribute in MySQL.

Issue #1171866 by sun, catch, Alan Evans, bvirtual, frob, btmash: Fixed Enforced fetching of fields/columns in lowercase breaks third-party integration.

Issue #1414412 by Damien Tournoud, pillarsdotnet, droplet, MrHaroldA: Fixed Skip #conjunction key in __clone() method of core/includes/database/query.inc.

Issue #1451032 by NROTC_Webmaster: Add note to schema docs about varchar columns needing to have length specified

Issue #1411592 by dadikof, Niklas Fiekas: Fixed func_get_args() can't be used as a function parameter before PHP 5.3.

Issue follow-up #1007830 by Damien Tournoud, basic: Fixed Nested transactions throw exceptions when they got out of scope.

Issue #1371256 by ayelet_Cr, oriol_e9g: Document that QueryConditionInterface::condition() should not be used to add NULL conditions.

- Patch #1258000 by chx, xjm, bfroehle: SelectQuery::countQuery() inappropriately removes SQL expressions.

This reverts commit 06f31080.

Issue #1167218 by droplet, kathyh: Fixed DatabaseStatementInterface::fetch* - document what empty return value is.

- Patch #897650 by Garrett Albright, Damien Tournoud: DatabaseSchema_sqlite()::findTables() shouldn't find indexes.

- Patch #1266694 by Damien Tournoud: Fixed DatabaseStatementPrefetch doesn't implement fetchColumn().

This reverts commit 132aed37.

- Patch #1184082 by googletorp: like queries failing on postgres with standard_conforming_strings() turned on.

Issue #1007830 follow-up by bfroehle: Better fix for nested transactions throw exceptions on ddl changes in MySQL.

Issue #561422 follow-up by Damien Tournoud, lyricnz, chx: Fixed SQLite support for faster db prefixes.

Issue #561422 by sun, dalin, lyricnz, catch, Gerhard Killesreiter: Replace strtr() with str_replace() for db prefixing for increased performance.

Issue #1007830 follow-up by bfroehle: Add more specificity to MySQL nested DDL transaction error check.

Issue #1007830 by drunken monkey, Damien Tournoud, bfroehle: Fixed Nested transactions throw exceptions on ddl changes.