risingwave_frontend::optimizer::rule

Module rewrite_like_expr_rule

source

Structs§

  • HasLikeExprVisitor 🔒
  • LikeExprRewriter 🔒
  • RewriteLikeExprRule
    RewriteLikeExprRule rewrites like expression, so that it can benefit from index selection. col like ‘ABC’ => col = ‘ABC’ col like ‘ABC%’ => col >= ‘ABC’ and col < ‘ABD’ col like ‘ABC%E’ => col >= ‘ABC’ and col < ‘ABD’ and col like ‘ABC%E’