MDEV-34870: implement join order hints

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This commit implements optimizer hints allowing to affect the order
of joining tables:

 - JOIN_FIXED_ORDER similar to existing STRAIGHT_JOIN hint;
 - JOIN_ORDER to apply the specified table order;
 - JOIN_PREFIX to hint what tables should be first in the join;
 - JOIN_SUFFIX to hint what tables should be last in the join.

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This commit is contained in:

Oleg Smirnov

2025-01-30 20:56:36 +07:00

parent c4fe794d22

commit 349f5bf2da

18 changed files with 4198 additions and 1311 deletions

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sql/opt_hints.cc

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