QuickBase API Cookbook v3 - Recipe #40
Loop through records joined from two or more tables
join loop multiple tables
You need to read records from multiple tables, join records that share the same values is specific fields, and loop through the joined records.

require 'QuickBaseClient'

qbc = QuickBase::Client.new("username","password")

# make a list of the tables to be joined
tablesToJoin = Array.new

table1 = Hash.new
table1["dbid"]="bccr737mz"              #table id
table1["fields"] = Array["a","b","c"] #fields to retrieve
table1["joinfield"] = "c"                 #field to compare across all tables' records
tablesToJoin << table1

table2 = Hash.new
table2["dbid"]="bccr737m2"
table2["fields"] = Array["c","d","e"]
table2["joinfield"] = "c"
tablesToJoin << table2

table3 = Hash.new
table3["dbid"]="bccr737m3"
table3["fields"] = Array["cc","g","gf"]
table3["joinfield"] = "cc"
tablesToJoin << table3

puts "------ Joined records from 3 tables ------"
recnum = 1
qbc.iterateJoinRecords(tablesToJoin) {|joinedRecord|
   print "\n#{recnum}. "
   joinedRecord.each{|field,value|
      print "#{field}: #{value}, "
   }
   recnum += 1
}

=begin

The output using unrealistically simple data is below.
Note that field 'c' is in two tables and is merged.
The value of 'c' from the second table is included in the joined record.

------ Joined records from 3 tables ------

1. cc: c, a: a2, b: b2, c: c, d: d, e: e, g: g, gf: sda,
2. cc: c, a: a2, b: b2, c: c, d: sadf, e: df, g: cv, gf: sdafad,
3. cc: c, a: a2, b: b2, c: c, d: sadf, e: df, g: sad, gf: sad,
4. cc: c, a: a2, b: b2, c: c, d: d, e: e, g: sad, gf: sad,
5. cc: c, a: a2, b: b2, c: c, d: sadf, e: df, g: g, gf: sda,
6. cc: c, a: a2, b: b2, c: c, d: sadf, e: df, g: cv, gf: sdafad,
7. cc: c, a: a2, b: b2, c: c, d: d, e: e, g: sad, gf: sad,
8. cc: c, a: a2, b: b2, c: c, d: sadf, e: df, g: sad, gf: sad,
9. cc: c, a: a2, b: b2, c: c, d: sadf, e: df, g: g, gf: sda,
10. cc: c, a: a2, b: b2, c: c, d: d, e: e, g: cv, gf: sdafad,
11. cc: c, a: a2, b: b2, c: c, d: sadf, e: df, g: sad, gf: sad,
12. cc: c, a: a, b: b, c: c, d: d, e: e, g: g, gf: sda,
13. cc: c, a: a, b: b, c: c, d: sadf, e: df, g: cv, gf: sdafad,
14. cc: c, a: a, b: b, c: c, d: sadf, e: df, g: sad, gf: sad,
15. cc: c, a: a, b: b, c: c, d: d, e: e, g: sad, gf: sad,
16. cc: c, a: a, b: b, c: c, d: sadf, e: df, g: g, gf: sda,
17. cc: c, a: a, b: b, c: c, d: sadf, e: df, g: cv, gf: sdafad,
18. cc: c, a: a, b: b, c: c, d: d, e: e, g: sad, gf: sad,
19. cc: c, a: a, b: b, c: c, d: sadf, e: df, g: sad, gf: sad,
20. cc: c, a: a, b: b, c: c, d: sadf, e: df, g: g, gf: sda,
21. cc: c, a: a, b: b, c: c, d: d, e: e, g: cv, gf: sdafad,
22. cc: c, a: a, b: b, c: c, d: sadf, e: df, g: sad, gf: sad,

=end
This is similar to the SQL JOIN statement.
iterateJoinRecords.rb
One-Click Ruby Installer for Windows Ruby wrapper for QuickBase HTTP API
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Created on Feb.  7, 2007 at 11:11 PM (PST). Owned by Quick Base.
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When you bring additional fields into a conversion, Quickbase often finds inconsistencies. For example, say you're converting your Companies column into its own table. One company, Acme Corporation, has offices in New York, Dallas and Portland. So, when you add the City column to the conversion, Quickbase finds three different locations for Acme. A single value in the column you're converting can only match one value in any additional field. Quickbase needs you to clean up the extra cities before it can create your new table. To do so, you have one of two choices:

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