AsJSON converts a datum into our standard json representation.

EmptyDTable returns a new, empty tree.DTable.

GenerateUniqueID encapsulates the logic to generate a unique number from a nodeID and timestamp.

GenerateUniqueInt creates a unique int composed of the current time at a 10-microsecond granularity and the node-id.

NewIdentAggregate returns an identAggregate (see comment on struct).

PGIOBuiltinPrefix returns the string prefix to a type's IO functions.

NodeIDBits is the number of bits stored in the lower portion of GenerateUniqueInt.

Aggregates are a special class of builtin functions that are wrapped at execution in a bucketing layer to combine (aggregate) the result of the function being run over many rows.

AllBuiltinNames is an array containing all the built-in function names, sorted in alphabetical order.

Builtins contains the built-in functions indexed by name.

DatEncodingEnUTF8 is the encoding name for our only supported database encoding, UTF8.

DatEncodingUTFId is the encoding ID for our only supported database encoding, UTF8.

Generators is a map from name to slice of Builtins for all built-in generators.

MaxAggregate keeps track of the largest value passed to Add.

MinAggregate keeps track of the smallest value passed to Add.