annotate demo-app/model/classification.lua @ 532:257dd2933ab2
Avoid including duplicate IDs when fetching referenced records
author |
jbe |
date |
Mon Mar 12 13:00:19 2018 +0100 (2018-03-12) |
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9fdfb27f8e67 |
children |
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1 Classification = mondelefant.new_class()
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2 Classification.table = 'classification'
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3
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4 Classification:add_reference{
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5 mode = 'm1', -- many (m) Classifications can refer to one (1) Medium
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6 to = "Medium", -- name of referenced model (quoting avoids auto-loading of model here)
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7 this_key = 'medium_id', -- our key in the classification table
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8 that_key = 'id', -- other key in the medium table
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9 ref = 'medium', -- name of reference
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10 back_ref = nil, -- not used for m1 relation!
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11 default_order = nil -- not used for m1 relation!
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12 }
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13
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14 Classification:add_reference{
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15 mode = 'm1', -- many (m) Classifications can refer to one (1) Medium
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16 to = "Genre", -- name of referenced model (quoting avoids auto-loading of model here)
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17 this_key = 'genre_id', -- our key in the classification table
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18 that_key = 'id', -- other key in the genre table
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19 ref = 'genre', -- name of reference
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20 back_ref = nil, -- not used for m1 relation!
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21 default_order = nil -- not used for m1 relation!
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22 }
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