1. InlineQuerier:
A Mid-Stream FME Database
April 2012

2. InlineQuerier: Motivation
 Cascading FeatureMergers = BAD

3. InlineQuerier: Motivation
 Cascading FeatureMergers = BAD
 Each FeatureMerger causes features to be
 Blocked up
 Reindexed
 Re-cached to disk
 Joins between features are limited to a single key
 No sophisticated ability to compute additional
values or configure the join
 FeatureMergers join only two streams at a time

4. InlineQuerier: Introduction
 Fully configurable multi-stream join
 Brings SQL power to all datasources
 Cache and index once
 Query many times
 Extract, Join, & Compute
information via SQL Query
 Tidier workspaces
 Improved performance

5. InlineQuerier: Before And After
 Task: Put each egg on the map, with its species
Egg Information (CAT)
NEST_ID EGG_ID DATE_LAID DATE_HATCHED INCUBATION_DAYS NEST_X_OFFSET NEST_Y_OFFSET
20 0 20040819 20040826 7 -0.14 -0.15
20 1 20040823 20040829 6 -0.05 0.18
20 2 20040818 20040826 8 -0.23 -0.00
…
Species (CSV)
Nest Locations (ArcGen)
NestId,Species
20,3144330,10089117
100,Blue Jay
21,3144481.5,10089238
101,American Goldfinch
…
…

6. InlineQuerier: Before And After
Cascading Feature Mergers

7. InlineQuerier: Before And After
With Inline Querier

8. InlineQuerier: 4 Way Joins
Address
Heritage
PID
Taxes
Neighbourhood
Code
Neighborhood

9. InlineQuerier: 4 Way Joins
Addresses
Heritage
Taxes
Neighborhood

10. InlineQuerier: Summary
 New for 2012
 Brings power of SQL to FME data streams
 Extract, Join, &Compute information
via SQL Query
 Tidier workspaces
 Improved performance
 http://fmeevangelist.com/fmeevangelist97