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Overview
Comment:Add a few simple TCL test cases for generated columns. (Full test coverage of the generated column logic is provided separately by TH3.)
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SHA3-256: acedb5c7f7dc1d68bef62098d42ca59e1be7a5083bb03dc07c03b9f9d817158b
User & Date: drh 2019-10-31 17:13:17
Context
2019-10-31
20:54
Correctly generate pre-UPDATE content for virtual columns that are used by foreign key constraints. Ticket [b9befa4b83a660cc] check-in: 40d3282e user: drh tags: trunk
17:13
Add a few simple TCL test cases for generated columns. (Full test coverage of the generated column logic is provided separately by TH3.) check-in: acedb5c7 user: drh tags: trunk
13:16
Ignore differences in Expr.op2 in sqlite3ExprCompare() in cases where it does matter. Ticket [1d2a8efc6c3a595a]. check-in: 32982067 user: drh tags: trunk
Changes
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Changes to test/gencol1.test.

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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}


























































































































finish_test








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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 {} |}
}

finish_test