mirror of https://github.com/apache/druid.git
2d3bee8545
changes: * modified druid schema column type compution to special case COMPLEX<json> handling to choose COMPLEX<json> if any column in any segment is COMPLEX<json> * NestedFieldVirtualColumn can now work correctly on any type of column, returning either a column selector if a root path, or nil selector if not * fixed a random bug with NilVectorSelector when using a vector size larger than the default and druid.generic.useDefaultValueForNull=false would have the nulls vector set to all false instead of true * fixed an overly aggressive check in ExprEval.ofType when handling complex types which would try to treat any string as base64 without gracefully falling back if it was not in fact base64 encoded, along with special handling for complex<json> * added ExpressionVectorSelectors.castValueSelectorToObject and ExpressionVectorSelectors.castObjectSelectorToNumeric as convience methods to cast vector selectors using cast expressions without the trouble of constructing an expression. the polymorphic nature of the non-vectorized engine (and significantly larger overhead of non-vectorized expression processing) made adding similar methods for non-vectorized selectors less attractive and so have not been added at this time * fix inconsistency between nested column indexer and serializer in handling values (coerce non primitive and non arrays of primitives using asString) * ExprEval best effort mode now handles byte[] as string * added test for ExprEval.bestEffortOf, and add missing conversion cases that tests uncovered * more tests more better |
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