[7.x] QL: Make canonical form take into account children (#71266) #71287
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Currently the canonical form takes into account only the node itself and not its children. For commutative cases this creates subtle issues in that the children are swapped based on their canonical form but not canonicalize and thus semantic comparison fail. This PR fixes that by taking into account the canonical children and, for commutative expressions, applies semantic ordering. In the process, improve handling of nested negated expressions.
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Pinging @elastic/es-ql (Team:QL) |
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Backports the following commits to 7.x: