[Racket] Ferti hydroponic nutrient solver, redux.
Change crop canonical_name from integer to text.
db/migrations.rkt
@@ -130,7 +130,7 @@
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(define-migration "create table crops"
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(list (create-table #:if-not-exists crops
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#:columns [id integer #:not-null]
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Removed:
[canonical_name integer #:not-null]
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Added:
[canonical_name text #:not-null]
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#:constraints (primary-key id)
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(unique canonical_name))))
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