CanParallelize tests if a subtree is parallelizable.

NewASTExprMapper creates an ASTMapper from a ExprMapper.

NewInstantQuerySplitter creates a new query range mapper.

NewMultiMapper instantiates an ASTMapper from multiple ASTMappers.

NewQueryShardSummer instantiates an ASTMapper which will fan out sum queries by shard.

NewSharding creates a new query sharding mapper.

ParallelizableFunc ensures that a promql function can be part of a parallel query.

VectorSquash reduces an AST into a single vector query which can be hijacked by a Queryable impl.

EmbeddedQueriesLabelName is a reserved label name containing embedded queries.

EmbeddedQueriesMetricName is a reserved metric name denoting a special metric which contains embedded queries.

Possible skipped reasons.

Possible skipped reasons.

Possible skipped reasons.

FuncsWithDefaultTimeArg is the list of functions that extract date information from a variadic list of params, which defaults to be just time() otherwise.

JSONCodec is a Codec that uses JSON representations of EmbeddedQueries structs.

NonParallelFuncs is the list of functions that shouldn't be parallelized.

ASTExprMapper is an ASTMapper adapter which uses a ExprMapper internally.

EmbeddedQueries is a wrapper type for encoding queries.

MultiMapper can compose multiple ASTMappers.

ASTMapper is the exported interface for mapping between multiple AST representations.