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comparing two boolean values and the unary 'not'

7

This is not an issue, but a request for a smarter solution, I would like to compare two boolean values with an 'is' operator. But that operator is not available...

Pippin555

The layout of the queries in the book somewhat evolved over time and is definitely inconsistent. The style guidelines for Gremlin have also evolved over time as well. These days,...

krlawrence

Incompatible types: Map<Object,Object> cannot be converted to Map<String,?>

1

Sir, While executing the below java programs I faced compilation error and thought it would be right to let you know the problems I encountered, post verification it can be...

sposhraj

Release 3.4.3 added the ability for `option` steps used with a `choose` step to include traversals so constructs like the one below are now possible. ``` g.V().hasLabel('airport'). groupCount(). by(__.choose(__.values('elev')). option(gt(5000),__.constant('high'))....

krlawrence

Several new commands have been added to the Gremlin Console over time. Examples include `:cls`. The graphic in section 2.2.1 should be updated.

krlawrence

There is no list separator type syntax in Gremlin. This is one way to achieve the [0:-2] type pattern. ``` gremlin> g.V(1,2,3,4).fold().sideEffect(tail(local).store('t')).unfold().where(neq('t')).by().by(unfold()) ==>v[1] ==>v[2] ==>v[3] ``` Also add an example...

krlawrence

The SQL version of the air route data referenced in Chapter 3 has never been uploaded. A few people have asked about it lately. The data was originally created and...

krlawrence

Typo in the last paragraph of section 4.19.1

1

In the latest online version, The first sentence of last paragraph in section 4.19.1 reads: "Notice that for the clock and **clockWithReslts** methods to work correctly you need to end...

shiyeling

Older sections of the book were written before the `project` step was introduced and tend to show use of `select` a lot which often requires path tracking to be enabled....

krlawrence

Starting with TinkerPop release 3.4.3. > Added aggregate(Scope,String) and deprecated store() in favor of aggregate(local). A note should be added in the section "3.22. Using aggregate to create a temporary...

krlawrence