Support the volatility config of function nodes #1414
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…nsure we get `EventCatcher` from package
QMalcolm
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Technically it should be impossible for a new volatility to be created without our knowledge of it and for it to reach dbt-adapters macros. That is because `volatility` is defined as an `Enum` in core with only three possible values `deterministic`, `stable`, and `non-deterministic`. But if a new volatility is invented, and we start supporting setting it in core then we will want to handle it in dbt-adapters (by default as a warning) until we add _specific_ handling in dbt-adapters to support it.
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resolves #1345
Problem
dbt-core added the ability to set function node volatility in dbt-labs/dbt-core#12100. Thus in adapters we needed to begin interpolating the correct volatility value into the function materialization macros.
Solution
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