sqlite/test/gencol1.test

# 2019-10-31
#
# The author disclaims copyright to this source code.  In place of
# a legal notice, here is a blessing:
#
#    May you do good and not evil.
#    May you find forgiveness for yourself and forgive others.
#    May you share freely, never taking more than you give.
#
#***********************************************************************
# 
# Test cases for generated columns.
#

set testdir [file dirname $argv0]
source $testdir/tester.tcl

# ticket 830277d9db6c3ba1 on 2019-10-31
do_execsql_test gencol1-100 {
  CREATE TABLE t0(c0 AS(TYPEOF(c1)), c1);
  INSERT INTO t0(c1) VALUES(0);
  CREATE TABLE t1(x AS (typeof(y)), y);
  INSERT INTO t1 SELECT * FROM t0;
  SELECT * FROM t1;
} {integer 0}

foreach {tn schema} { 
1 {
   CREATE TABLE t1(
     a INT,
     b TEXT,
     c ANY,
     w INT GENERATED ALWAYS AS (a*10),
     x TEXT AS (typeof(c)),
     y TEXT AS (substr(b,a,a+2))
   );
  }
2 {
   CREATE TABLE t1(
     w INT GENERATED ALWAYS AS (a*10),
     x TEXT AS (typeof(c)),
     y TEXT AS (substr(b,a,a+2)),
     a INT,
     b TEXT,
     c ANY
   );
  }
3 {
   CREATE TABLE t1(
     w INT GENERATED ALWAYS AS (a*10),
     a INT,
     x TEXT AS (typeof(c)) STORED,
     b TEXT,
     y TEXT AS (substr(b,a,a+2)),
     c ANY
   );
  }
4 {
   CREATE TABLE t1(
     a INTEGER PRIMARY KEY,
     w INT GENERATED ALWAYS AS (a*10),
     b TEXT,
     x TEXT AS (typeof(c)),
     y TEXT AS (substr(b,a,a+2)) STORED,
     c ANY
   );
  }
5 {
   CREATE TABLE t1(
     w INT GENERATED ALWAYS AS (a*10),
     a INT,
     x TEXT AS (typeof(c)),
     b TEXT,
     y TEXT AS (substr(b,a,a+2)) STORED,
     c ANY,
     PRIMARY KEY(a,b)
   ) WITHOUT ROWID;
  }
6 {
   CREATE TABLE t1(
     w INT GENERATED ALWAYS AS (m*5),
     m INT AS (a*2) STORED,
     a INT,
     x TEXT AS (typeof(c)),
     b TEXT,
     y TEXT AS (substr(b,m/2,m/2+2)) STORED,
     c ANY,
     PRIMARY KEY(a,b)
   );
  }
7 {
   CREATE TABLE t1(
     w INT GENERATED ALWAYS AS (m*5),
     m INT AS (a*2) NOT NULL,
     a INT,
     x TEXT AS (typeof(c)) CHECK (x<>'blank'),
     b TEXT,
     y TEXT AS (substr(b,m/2,m/2+2)) STORED,
     c ANY,
     PRIMARY KEY(b,a)
   ) WITHOUT ROWID;
  }
} {
  catch {db close}
  sqlite3 db :memory:
  db eval $schema
  do_execsql_test gencol1-2.$tn.100 {
    INSERT INTO t1(a,b,c) VALUES(1,'abcdef',5.5),(3,'cantaloupe',NULL);
    SELECT w, x, y, '|' FROM t1 ORDER BY a;
  } {10 real abc | 30 null ntalo |}
  do_execsql_test gencol1-2.$tn.101 {
    SELECT w, x, y, '|' FROM t1 ORDER BY w;
  } {10 real abc | 30 null ntalo |}
  do_execsql_test gencol1-2.$tn.102 {
    SELECT a FROM t1 WHERE w=30;
  } {3}
  do_execsql_test gencol1-2.$tn.103 {
    SELECT a FROM t1 WHERE x='real';
  } {1}
  do_execsql_test gencol1-2.$tn.104 {
    SELECT a FROM t1 WHERE y LIKE '%tal%' OR x='real' ORDER BY b;
  } {1 3}
  do_execsql_test gencol1-2.$tn.110 {
    CREATE INDEX t1w ON t1(w);
    SELECT a FROM t1 WHERE w=10;
  } {1}
  do_execsql_test gencol1-2.$tn.120 {
    CREATE INDEX t1x ON t1(x) WHERE w BETWEEN 20 AND 40;
    SELECT a FROM t1 WHERE x='null' AND w BETWEEN 20 AND 40;
  } {3}
  do_execsql_test gencol1-2.$tn.121 {
    SELECT a FROM t1 WHERE x='real';
  } {1}
  do_execsql_test gencol1-2.$tn.130 {
    VACUUM;
    PRAGMA integrity_check;
  } {ok}
  do_execsql_test gencol1-2.$tn.140 {
    UPDATE t1 SET a=a+100 WHERE w<20;
    SELECT a, w, '|' FROM t1 ORDER BY w;
  } {3 30 | 101 1010 |}
  do_execsql_test gencol1-2.$tn.150 {
    INSERT INTO t1 VALUES(4,'jambalaya','Chef John'),(15,87719874135,0);
    SELECT w, x, y, '|' FROM t1 ORDER BY w;
  } {30 null ntalo | 40 text balaya | 150 integer {} | 1010 real {} |}
}

# 2019-10-31 ticket b9befa4b83a660cc
db close
sqlite3 db :memory:
do_execsql_test gencol1-3.100 {
  PRAGMA foreign_keys = true;
  CREATE TABLE t0(c0 PRIMARY KEY, c1, c2 AS (c0+c1-c3) REFERENCES t0, c3);
  INSERT INTO t0 VALUES (0, 0, 0), (11, 5, 5);
  UPDATE t0 SET c1 = c0, c3 = c0;
  SELECT *, '|' FROM t0 ORDER BY +c0;
} {0 0 0 0 | 11 11 11 11 |}
do_catchsql_test gencol1-3.110 {
  UPDATE t0 SET c1 = c0, c3 = c0+1;
} {1 {FOREIGN KEY constraint failed}}

finish_test