test/upfrom1.tcl

   1 # 2020 April 22
   2 #
   3 # The author disclaims copyright to this source code.  In place of
   4 # a legal notice, here is a blessing:
   5 #
   6 #    May you do good and not evil.
   7 #    May you find forgiveness for yourself and forgive others.
   8 #    May you share freely, never taking more than you give.
   9 #
  10 #***********************************************************************
  11 #
  12
  13 source [file join [file dirname $argv0] pg_common.tcl]
  14
  15 #=========================================================================
  16
  17 start_test upfrom1 "2020 April 22"
  18
  19 foreach {tn wo} {
  20   1 "WITHOUT ROWID"
  21   2 ""
  22 } {
  23 eval [string map [list %TN% $tn %WITHOUT_ROWID% $wo] {
  24 execsql_test 1.%TN%.0 {
  25   DROP TABLE IF EXISTS t2;
  26   CREATE TABLE t2(a INTEGER PRIMARY KEY, b INTEGER, c INTEGER) %WITHOUT_ROWID%;
  27   INSERT INTO t2 VALUES(1, 2, 3);
  28   INSERT INTO t2 VALUES(4, 5, 6);
  29   INSERT INTO t2 VALUES(7, 8, 9);
  30
  31   DROP TABLE IF EXISTS chng;
  32   CREATE TABLE chng(a INTEGER, b INTEGER, c INTEGER);
  33   INSERT INTO chng VALUES(1, 100, 1000);
  34   INSERT INTO chng VALUES(7, 700, 7000);
  35 }
  36
  37 execsql_test 1.%TN%.1 {
  38   SELECT * FROM t2;
  39 }
  40
  41 execsql_test 1.%TN%.2 {
  42   UPDATE t2 SET b = chng.b, c = chng.c FROM chng WHERE chng.a = t2.a;
  43   SELECT * FROM t2 ORDER BY a;
  44 }
  45
  46 execsql_test 1.%TN%.3 {
  47   DELETE FROM t2;
  48   INSERT INTO t2 VALUES(1, 2, 3);
  49   INSERT INTO t2 VALUES(4, 5, 6);
  50   INSERT INTO t2 VALUES(7, 8, 9);
  51 }
  52
  53 execsql_test 1.%TN%.4 {
  54   UPDATE t2 SET (b, c) = (SELECT b, c FROM chng WHERE a=t2.a)
  55     WHERE a IN (SELECT a FROM chng);
  56   SELECT * FROM t2 ORDER BY a;
  57 }
  58
  59 execsql_test 1.%TN%.5 {
  60   DROP TABLE IF EXISTS t3;
  61   CREATE TABLE t3(a INTEGER PRIMARY KEY, b INTEGER, c TEXT) %WITHOUT_ROWID%;
  62   INSERT INTO t3 VALUES(1, 1, 'one');
  63   INSERT INTO t3 VALUES(2, 2, 'two');
  64   INSERT INTO t3 VALUES(3, 3, 'three');
  65
  66   DROP TABLE IF EXISTS t4;
  67   CREATE TABLE t4(x TEXT);
  68   INSERT INTO t4 VALUES('five');
  69
  70   SELECT * FROM t3 ORDER BY a;
  71 }
  72
  73 execsql_test 1.%TN%.6 {
  74   UPDATE t3 SET c=x FROM t4;
  75   SELECT * FROM t3 ORDER BY a;
  76 }
  77 }]}
  78
  79 execsql_test 2.1 {
  80   DROP TABLE IF EXISTS t5;
  81   DROP TABLE IF EXISTS m1;
  82   DROP TABLE IF EXISTS m2;
  83   CREATE TABLE t5(a INTEGER PRIMARY KEY, b TEXT, c TEXT);
  84   CREATE TABLE m1(x INTEGER PRIMARY KEY, y TEXT);
  85   CREATE TABLE m2(u INTEGER PRIMARY KEY, v TEXT);
  86
  87   INSERT INTO t5 VALUES(1, 'one', 'ONE');
  88   INSERT INTO t5 VALUES(2, 'two', 'TWO');
  89   INSERT INTO t5 VALUES(3, 'three', 'THREE');
  90   INSERT INTO t5 VALUES(4, 'four', 'FOUR');
  91
  92   INSERT INTO m1 VALUES(1, 'i');
  93   INSERT INTO m1 VALUES(2, 'ii');
  94   INSERT INTO m1 VALUES(3, 'iii');
  95
  96   INSERT INTO m2 VALUES(1, 'I');
  97   INSERT INTO m2 VALUES(3, 'II');
  98   INSERT INTO m2 VALUES(4, 'III');
  99 }
 100
 101 execsql_test 2.2 {
 102   UPDATE t5 SET b=y, c=v FROM m1 LEFT JOIN m2 ON (x=u) WHERE x=a;
 103   SELECT * FROM t5 ORDER BY a;
 104 }
 105
 106 errorsql_test 2.3.1 {
 107   UPDATE t5 SET b=1 FROM t5;
 108 }
 109 errorsql_test 2.3.2 {
 110   UPDATE t5 AS apples SET b=1 FROM t5 AS apples;
 111 }
 112
 113
 114 finish_test
 115