Optimize adaptive reporting only

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OPTIMIZER_ADAPTIVE_REPORTING_ONLY controls reporting-only mode for adaptive optimizatons.

  • When OPTIMIZER_ADAPTIVE_REPORTING_ONLY is set to FALSE, reporting-only mode is off, and the adaptive optimizations are enabled as usual.
  • When OPTIMIZER_ADAPTIVE_REPORTING_ONLY is set to TRUE, adaptive optimizations run in reporting-only mode. With this setting, the information required for an adaptive optimization is gathered, but no action is taken to change the plan. For instance, an adaptive plan will always choose the default (optimizer-chosen) plan, but information is collected on what plan to adapt to in non-reporting mode. This information can be viewed in the adaptive plan report.