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Beginnings of generic create #301 #306

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This commit is contained in:
Sean Corfield 2021-03-07 22:13:25 -08:00
parent e70985e93b
commit efcee05e0a
1 changed files with 25 additions and 10 deletions
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35
src/honey/sql.cljc
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@ -575,14 +575,29 @@
(str " " (str/join ", " (map #'format-simple-clause clauses)))))]
[(str (sql-kw k) " " (format-entity x))]))
(defn- format-create-table [k table]
(let [[table if-not-exists] (if (sequential? table) table [table])]
[(str (sql-kw k) " "
(when if-not-exists (str (sql-kw :if-not-exists) " "))
(format-entity table))]))
(defn- destructure-create-item [table]
(let [coll
(if (sequential? table)
table
[table])
ine (last coll)
[prequel table ine]
(if (= :if-not-exists (sym->kw ine))
[(butlast (butlast coll)) (last (butlast coll)) ine]
[(butlast coll) (last coll) nil])]
[(str/join " " (map sql-kw prequel))
(format-entity table)
(when ine (sql-kw ine))]))
(defn- format-create-view [k x]
[(str (sql-kw k) " " (format-entity x) " AS")])
(defn- format-create [k item as]
(let [[pre i ine] (destructure-create-item item)]
[(str/join " " (remove nil?
[(sql-kw :create)
(when (seq pre) pre)
(sql-kw k)
ine
i
(when as (sql-kw as))]))]))
(defn- format-drop-table
[k params]
@ -639,10 +654,10 @@
:add-index (fn [_ x] (format-on-expr :add x))
:drop-index #'format-selector
:rename-table (fn [_ x] (format-selector :rename-to x))
:create-table #'format-create-table
:create-extension #'format-create-table
:create-table (fn [_ x] (format-create :table x nil))
:create-extension (fn [_ x] (format-create :extension x nil))
:with-columns #'format-table-columns
:create-view #'format-create-view
:create-view (fn [_ x] (format-create :view x :as))
:drop-table #'format-drop-table
:drop-extension #'format-drop-table
:nest (fn [_ x] (format-expr x))