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Fix operators in value positions

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This commit is contained in:
Joost Diepenmaat 2017-02-17 10:21:23 +01:00
parent 5e7e224df4
commit f8b913d667
1 changed files with 26 additions and 13 deletions
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39
src/honeysql/format.cljc
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@ -37,6 +37,8 @@
(def ^:dynamic *fn-context?* false)
(def ^:dynamic *value-context?* false)
(def ^:dynamic *subquery?* false)
(def ^:dynamic *allow-dashed-names?* false)
@ -91,6 +93,10 @@
(defprotocol ToSql
(to-sql [x]))
(defn to-sql-value [x]
(binding [*value-context?* true]
(to-sql x)))
(defmulti fn-handler (fn [op & args] op))
(defn expand-binary-ops [op & args]
@ -121,40 +127,40 @@
(if (seq more)
(apply expand-binary-ops "=" a b more)
(cond
(nil? a) (str (to-sql b) " IS NULL")
(nil? b) (str (to-sql a) " IS NULL")
:else (str (to-sql a) " = " (to-sql b)))))
(nil? a) (str (to-sql-value b) " IS NULL")
(nil? b) (str (to-sql-value a) " IS NULL")
:else (str (to-sql-value a) " = " (to-sql-value b)))))
(defmethod fn-handler "<>" [_ a b & more]
(if (seq more)
(apply expand-binary-ops "<>" a b more)
(cond
(nil? a) (str (to-sql b) " IS NOT NULL")
(nil? b) (str (to-sql a) " IS NOT NULL")
:else (str (to-sql a) " <> " (to-sql b)))))
(nil? a) (str (to-sql-value b) " IS NOT NULL")
(nil? b) (str (to-sql-value a) " IS NOT NULL")
:else (str (to-sql-value a) " <> " (to-sql-value b)))))
(defmethod fn-handler "<" [_ a b & more]
(if (seq more)
(apply expand-binary-ops "<" a b more)
(str (to-sql a) " < " (to-sql b))))
(str (to-sql-value a) " < " (to-sql-value b))))
(defmethod fn-handler "<=" [_ a b & more]
(if (seq more)
(apply expand-binary-ops "<=" a b more)
(str (to-sql a) " <= " (to-sql b))))
(str (to-sql-value a) " <= " (to-sql-value b))))
(defmethod fn-handler ">" [_ a b & more]
(if (seq more)
(apply expand-binary-ops ">" a b more)
(str (to-sql a) " > " (to-sql b))))
(str (to-sql-value a) " > " (to-sql-value b))))
(defmethod fn-handler ">=" [_ a b & more]
(if (seq more)
(apply expand-binary-ops ">=" a b more)
(str (to-sql a) " >= " (to-sql b))))
(str (to-sql-value a) " >= " (to-sql-value b))))
(defmethod fn-handler "between" [_ field lower upper]
(str (to-sql field) " BETWEEN " (to-sql lower) " AND " (to-sql upper)))
(str (to-sql-value field) " BETWEEN " (to-sql-value lower) " AND " (to-sql-value upper)))
;; Handles MySql's MATCH (field) AGAINST (pattern). The third argument
;; can be a set containing one or more of :boolean, :natural, or :expand.
@ -163,7 +169,7 @@
(comma-join
(map to-sql (if (coll? fields) fields [fields])))
") AGAINST ("
(to-sql pattern)
(to-sql-value pattern)
(when (seq opts)
(str " " (space-join (for [opt opts]
(case opt
@ -310,10 +316,17 @@
(paren-wrap sql-str)
sql-str)))
(declare format-predicate*)
(defn seq->sql [x]
(if *fn-context?*
(cond
*value-context?*
;; sequences are operators/functions
(format-predicate* x)
*fn-context?*
;; list argument in fn call
(paren-wrap (comma-join (map to-sql x)))
:else
;; alias
(str (to-sql (first x))
; Omit AS in FROM, JOIN, etc. - Oracle doesn't allow it