Save 37% off PRO during our Black Friday Sale! »

ElixirでSI開発入門「第1回データベース

88aae8ed2d2f17cc38bb05d1b300c014?s=47 tuchiro
April 20, 2018

 ElixirでSI開発入門「第1回データベース

ElixirでIS開発の際に必要となった要素の実装例を解説する連載第1回
今回のテーマはデータベースです。

88aae8ed2d2f17cc38bb05d1b300c014?s=128

tuchiro

April 20, 2018
Tweet

Transcript

  1.          2018/04/20

    ver1.0
  2.  3 E c D d d . 5 B

    4
  3.   

  4.   3 / -( ( . / ) /

    3 / ) / ) -( po / E hj rr i jklo i t r n k j ar im S hj wx m npkj i nm hm er / p t mi
  5.    

  6.    2 c c k be oa V

    D W F I B . i d i
  7.    d k r r P tK m

    e (2 i lM a I 1 V m bB) 2 1 6y C . s mBW F cF y C
  8.  . 3

  9. . 3 • ( 2 ( • ei cad M

    ) E e • 2S Q , . . 2 E • 2 > 2 2 8 . . > 2 0. 8 . . > , . . 2 • M L Q ei cad ER
  10. . 3 ad e • )( 2 c ot t

    1) n r • ) . 2 c 2. n r • ot t S e 1) a )( 2 e 2. a . 2 e • a 9 m s kps e Ue
  11. . 3 ü 21 1 0 .31 DB • 21

    1 • 0 .31 • ü DB • 6 .
  12.       /: > c S

    b bR S MP , daS > DA DA C B > C D C B - C .D C 1 #0 C A - C # C AB#/ BC A B DB A> BC A B BB A BC A B C B C D C B E : BC> : BC B > E# B : #> C D C B ""> " AD> : C D C B C # A C
  13.       M P W _

    I S_ > A: " ": > E C C EC C > C > C > A: " ": > >C / C C C > C A > E > "> > "> > E ,E / >A ". E EC ,E / >A "1 E C A # ,E / >A A A 2 : E : C C : E C C # C E C #EC C C C E C #C C / # 2>E 2C >A 2 # E "
  14.       0 / 441 0

    034 . 1 3
  15.       10/

  16.       0/

  17.       M I 6 :6

    A , :A / :6#) A( A A A # 6 E C : 6 : A , :A / :6#.6 : A , :A / :6#( A # 6 : A , :A / :6# A6 #/A : A #, :A : ) A( A 6 A 6 , :A US 6 6 A1 :A 6 , :A RQ 6 6 : 6 A 1 :A 1 :6 A1 A #6
  18. )*       U .7 S

    : E = " # E , 1 " E % E = # E 7> , 1 " 7>% E 7> = # O E 7 = , E 7 = " E 7> =7 # R E 7> , E 7> E 7 E , E 7 E " E % 7 = E 7 = # E 7> 7 E , 7> 7 E "E 7>% E 7> # 7 E 1 " E 7 E # >% E - / E" E E 77 EE: I # % 7 E - / E" E # 7 E 1 "E 7> 7 E # >% E 7> - / E" 7> E 77 EE: I # % 7 E - / E" 7> # = ( 7 = E (7 7 =
  19. %(       E : %

    2 2 . A 2:= -2> , > > C2: A ) 81 ) % A >1 ) % -2> , A3: > >
  20. (0       ]CA=s yr n

    ek k _isuxpm tx dg ckg )'( ' (- ))1( 1(( )' 7D G,- (-H = :1 M M M M TI 1 C8=86D ' OL $ ' S RM $ ' M $ ' R OQ $ ' MLO $ ' OSWM MLI $ ' UL MLI 9 > WM W 5C ' F 8 8 " ' OL 3 ( )'( ' (- ))1( 1(( )' 7D G,- (-H 78D5<=1 U RM M W1 ( 3 ( )'( ' (- ))1( 1(( ). 7D G,- ( H = :1 M M M M TI--1 C8=86D W' OL $ W' M T [ $ W' S RM $ W' U O M $ W' RT S $ W' OSWM MLI $ W' UL MLI 9 > W T PW 5C W' F 8 8 "W' OL 3 ( )'( ' (- ))1( 1(( ). 7D G,- ( H 78D5<=1 U RM M W1 ( 3 ( )'( ' (- ))1( 1(( ) 7D G,- (.H = :1 M M M 2 SS RML41 E 75D8 WM W C8D MLO 3 ($ UL MLI 3 ) F 8 8 OL 3 )'( ' (- ))1( 1(( ) 7D G,- (.H 78D5<=1 U RM M W1 ( 3 --' $ ) 3 )'( ' (. ',1( 1(( ) . $ 3 ( )'( ' (- ))1( 1(( . 7D G,- (0H = :1 M M M 2 SS RML41 E 75D8 W T PW C8D RT S 3 ($ UL MLI 3 ) F 8 8 OL 3 )'( ' (- ))1( 1(( . 7D G,- (0H 78D5<=1 U RM M W1 ( 3 $ ) 3 )'( ' (. ',1( 1(( , $ 3 (
  21. (       0 &2 U

    ") # => E E " I=>I# = I> , 0 &2 & > S- 2 &I " > I=>I 0 2 :E >&/:I . I=>I # S- > & I: : "# : > I> = C M: >R - 1 & " >I C =: >= > & # >II I A: > > R - 1 & " >I C =: >= >II I& # > = > = > E :E > :I : &>O
  22. *)       OK P OFf]dc

    _"*(*# A PS" TU% KMA M# AK :P M , M - E M ":P % P FA ,, KMA M P M=FA# - K " 1 /. # - K > "# : OK , OK - E M ": % FA ,, KMA M OK =FA# - K " 1 /. # - K > "# [ f a P M= M AFO , P M M AFO " KMA M > KP O OK MF # ^ f eb OK => KP O , OK > KP O KMA M > KP O P M= E> D O , M E> D O"P M% T M AFO P M= M AFOU# OK = E> D O , OK E> D O" OK % T> KP O OK => KP OU# K P A>O "P M= E> D O# K P A>O " OK = E> D O# T K % P A>O 2 U A F ( >MO=> OFK R
  23. ))       / 2O Ee

    cb ^")()# A >OR" ST% A # OMA : MA U, PDA A" O:% O E A OMA E # U, F" .- / # U, AK = "# M F: F U, PDA A" M:% M E A M F E # U, F" .- / # U, AK = "# e OAM A E OMA A E " A = O M F K E A # ]_e[da M F = O M F = O A = O OMA D= AMA MA D= AMA "OMA % S A E * OAM A E T# M F D= AMA F D= AMA "M F% S= O * M F = O T# AK OK = A"OMA D= AMA # AK OK = A"M F D= AMA # S* F% OK = A T A E>( = = E A
  24.       .-1 I C C

    C % 3: 3 - A= :A 3 >: ,3 A A = C = ) 3 = A( A= 2 ( % 2 ( %E C ,3 A A = A2 :A =
  25. )       dacEC> t pul

    69 = _7A =Fi s nkor da )'( ' (- ))1( 1), (.. B8F ,- )' >A 1 P]PN [P BAEF D9IL69 = 1 69 = )'( ' (- ))1( 1), ( ( B8F ,- )' >A 1 P]PN [P PN[WL, 01 E9>97F ' RO $ ' MUP $ ' MQP $ ' UMRT $ ' N POR[ $ ' R P [POLM[ $ ' XOM[POLM[ :DA P 5E ' H<9D9 " ' RO 3 ( :AD GB85F9 )'( ' (- ))1( 1), ( ( B8F ,- )' 89F5=>1 XM MUP[P 1 ( 3 ( )'( ' (- ))1( 1), ( B8F ,- )' >A 1 P]PN [P PN[WL)1 E9>97F ' RO $ ' NM[PQW $ ' MUP $ ' X RNP $ ' MUW [ $ ' R P [POLM[ $ ' XOM[POLM[ :DA [WNS 5E ' H<9D9 " ' RO 3 ( :AD GB85F9 )'( ' (- ))1( 1), ( B8F ,- )' 89F5=>1 XM MUP[P 1 ( 3 ( )'( ' (- ))1( 1), ( , B8F ,- )' >A 1 P]PN [P 2 MUPO41 GB85F9 P E9F N POR[ 3 ($ XOM[POLM[ 3 ) H<9D9 RO 3 )'( ' (- ))1( 1), ( , B8F ,- )' 89F5=>1 XM MUP[P 1 ( 3 )' $ ) 3 )'( ' (. ',1( 1), ( 0, $ 3 ( )'( ' (- ))1( 1), ( . B8F ,- )' >A 1 P]PN [P 2 MUPO41 GB85F9 [WNS E9F MUW [ 3 ($ XOM[POLM[ 3 ) H<9D9 RO 3 )'( ' (- ))1( 1), ( . B8F ,- )' 89F5=>1 XM MUP[P 1 ( 3 - $ ) 3 )'( ' (. ',1( 1), ( - )($ 3 ( )'( ' (- ))1( 1 ' (0' B8F ,- )' >A 1 P]PN [P BAEF D9IL7A =F1 7A =F
  26.          

  27.  D B

  28. (    / OK giakh A W eldmhbm_Ubm

    Y fm k_T Y ABCIKAP B / OK P O >IL B :NBM AK PNB / OK P O >IL B B " )IKAB N EBI> PNBMN AK C B A ) >IB" )NOM D C B A )>DB" ) OBDBM C B A )I> " )NOM D C B A ) MBA O" ) OBDBM O IBNO>ILN B A B A 7/ / ,2/ LP PNBMN A DNBM > 45 4:22" >IB >M E>M 4:22" >DB O 4:22" I> >M E>M 4:22" MBA O O 4:22" NBMOBA >O O IBNO>IL 45 4:22" PLA>OBA >O O IBNO>IL 45 4:22" 54 7 4 PNBMN L BS 7 7 / A B OK IP O N>IL B > KP ON PNBM BR ..2 I R LER DB EOI KP ON :NBM PNBMN >IB)NOM D >DB) OBDBM I> )NOM D MBA O) OBDBM
  29.    efil K CB Ddo 2- P CB

    m n cfhkbg : 2 . : 8 8 . 2 / . : 8 2 .
  30.    eag B D d h _ i

    2 . c_ i B d g > . - 2 . 2- - 9 2- 2 2- . - 2 . 2- - 9 2- 2 2- 2 .
  31.    PM C 3 C ", C C

    3 C "/ C 3 # 3 C 0 C . C 3: # E C 3 #C . C 3 # 3: 3: C 3 # # 3 0 C 0 0 # C " E
  32. (    S P : I@: , .I@

    > @:% : I : , .I@ > @:%1: ) :@ > : M)> : : ) > : > : M/ : > %/ : ) )> : : : > : >:@ )> : : ) > >:@ ) : ) > >:@ ) : ) > > : "# : : : : " I 33 M # I " )> : : ) : ) : # @> : :EI> : " )> : : ) : ) : # : : @> : I@ > @: > : > : %:
  33.    S E S MI 23 2 (

    ,. 2 2 . : 2. 2) 2 2 ( . : 23 .: 2 2. 2 ./ 2 2 . C 2C 3. 2 . 2 2 : . C 2C 2 . . 2 C : . :. 2 : 2 . 2: 2: 2: 2/ 2 2 2
  34.    Y ce ad PO R S T

    e_bU DAM > DA > ,( , () , K CA A >DI A >DI > L 2 " > N L " E D> L " AEI> > AD>I D 2 " K > AD>I D 2 2 5 ( A >DI B>N 3 ( ., A >DI >
  35.    0 4 // / / : 3

  36.  

  37.  lp) o T_ S • 6C -D C T_

    • AD dhml Up P nclO • 6 . 3 ) l 6CMp t vu a ) r iuK pss enchmt • R lncMo (DBC A AF FB • @A AF F A E lR • B6 l
  38.