fix: remove batch concurrency support

Author: maxence

src/parsers/command-options.lisp

@@ -73,10 +73,7 @@
     (bind (((_ _ _ val) batch-size))
       (cons :batch-size val))))
 
-;;; deprecated, but still accept it in the parsing
-(defrule option-prefetch-rows (and (or (and kw-batch kw-concurrency)
-                                       (and kw-prefetch kw-rows))
-                                   equal-sign
+(defrule option-prefetch-rows (and kw-prefetch kw-rows equal-sign
                                    (+ (digit-char-p character)))
   (:lambda (prefetch-rows)
     (bind (((_ _ nb) prefetch-rows))

test/csv-districts-env.load

@@ -35,7 +35,6 @@ LOAD CSV
           skip header = 1,
           batch rows = 200,
           batch size = 1024 kB,
-          batch concurrency = 3,
           fields terminated by '\t'
 
    BEFORE LOAD DO

test/csv-districts-stdin.load

@@ -30,7 +30,6 @@ LOAD CSV
           skip header = 1,
           batch rows = 200,
           batch size = 1024 kB,
-          batch concurrency = 3,
           fields terminated by '\t'
 
    BEFORE LOAD DO

test/csv-districts.load

@@ -34,7 +34,6 @@ LOAD CSV
           skip header = 1,
           batch rows = 200,
           batch size = 1024 kB,
-          batch concurrency = 3,
           fields terminated by '\t'
 
    BEFORE LOAD DO