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# File 'lib/partition_gardener/layout/zone_segments.rb', line 6
def build_filler_and_hot_segments(table_name:, buckets:, hot_buckets:, active_start:, active_end:, hot_bucket_name:, bucket_end:, occupied_segments: [])
hot_bucket_set = hot_buckets.to_set
segments = []
middle_filler_index = 0
index = 0
while index < buckets.length
bucket = buckets[index]
occupant = OccupiedWindow.covering(occupied_segments, bucket)
if occupant
segments << occupant unless segments.any? { |segment| segment.name == occupant.name }
index = OccupiedWindow.next_bucket_index(buckets, occupant.range_end, from: index)
next
end
if hot_bucket_set.include?(bucket)
segments << Plan::Segment.new(
name: hot_bucket_name.call(bucket),
range_start: bucket,
range_end: bucket_end.call(bucket),
kind: :hot_bucket
)
index += 1
next
end
run_start = bucket
while index < buckets.length && !hot_bucket_set.include?(buckets[index]) && OccupiedWindow.covering(occupied_segments, buckets[index]).nil?
index += 1
end
run_end = (index < buckets.length) ? buckets[index] : active_end
segment_name = if run_start == active_start
Naming.current_partition_name(table_name)
else
middle_filler_index += 1
if middle_filler_index == 1
Naming.open_partition_name(table_name)
else
"#{table_name}_open_#{middle_filler_index}"
end
end
segments << Plan::Segment.new(
name: segment_name,
range_start: run_start,
range_end: run_end,
kind: :filler
)
end
OccupiedWindow.finish_with_high_end(
segments,
occupied_segments: occupied_segments,
table_name: table_name,
active_end: active_end
)
end
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