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Overview
Comment:Enhancements to the whereB.test to check more affinity corner cases.
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Timelines: family | ancestors | descendants | both | trunk
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SHA1:1048459824746307c9e4296cbc21716bf8b5449d
User & Date: drh 2009-08-13 18:14:32
Context
2009-08-13
19:21
If a binary operator in a WHERE clause that should be performed with no affinity conversions applied to its operands (see http://www.sqlite.org/datatype3.html) is optimized by index lookup, do not apply any conversions to the key value before looking it up in the index. Fix for [93fb9f89d6]. check-in: e72186f2 user: dan tags: trunk
18:14
Enhancements to the whereB.test to check more affinity corner cases. check-in: 10484598 user: drh tags: trunk
17:14
Add a test case for the affinity problem reported by ticket [93fb9f89d6]. check-in: 149ec24e user: drh tags: trunk
Changes
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Changes to test/whereB.test.

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# focus of this file is testing WHERE clause conditions with
# subtle affinity issues.
#

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









do_test whereB-1.1 {
  db eval {
    CREATE TABLE t1(x,y);    -- affinity of t1.y is NONE
    INSERT INTO t1 VALUES(1,2);
    INSERT INTO t1 VALUES(2,7);

    CREATE TABLE t2(a, b TEXT);  -- affinity of t2.b is TEXT
    CREATE INDEX t2b ON t2(b);
    INSERT INTO t2 VALUES(11,2);
    INSERT INTO t2 VALUES(12,6);

    SELECT x, a, y=b FROM t1, t2 ORDER BY +x, +a;
  }
} {1 11 0 1 12 0 2 11 0 2 12 0}
do_test whereB-1.2 {
  db eval {
    SELECT x, a, y=b FROM t1, t2 WHERE y=b ORDER BY +x, +a;
  }
} {}
do_test whereB-1.3 {
  db eval {
    SELECT x, a, y=b FROM t1, t2 WHERE b=y ORDER BY +x, +a;
  }
} {}
do_test whereB-1.4 {
  db eval {
    SELECT x, a, y=b FROM t1, t2 WHERE +y=+b ORDER BY +x, +a;
  }
} {}
do_test whereB-1.100 {
  db eval {
    DROP INDEX t2b;
    SELECT x, a, y=b FROM t1, t2 WHERE y=b ORDER BY +x, +a;
  }
} {}
do_test whereB-1.101 {
  db eval {
    SELECT x, a, y=b FROM t1, t2 WHERE b=y ORDER BY +x, +a;
  }
} {}
do_test whereB-1.102 {
  db eval {
    SELECT x, a, y=b FROM t1, t2 WHERE +y=+b ORDER BY +x, +a;
  }
} {}









do_test whereB-2.1 {
  db eval {
    DROP TABLE t1;
    DROP TABLE t2;

    CREATE TABLE t1(x,y);    -- affinity of t1.y is NONE
    INSERT INTO t1 VALUES(1,2);
    INSERT INTO t1 VALUES(2,7);

    CREATE TABLE t2(a, b UNKNOWN);  -- affinity of t2.b is NUMERIC
    CREATE INDEX t2b ON t2(b);
    INSERT INTO t2 VALUES(11,2);
    INSERT INTO t2 VALUES(12,6);

    SELECT x, a, y=b FROM t1, t2 ORDER BY +x, +a;
  }
} {1 11 1 1 12 0 2 11 0 2 12 0}
do_test whereB-2.2 {
  db eval {
    SELECT x, a, y=b FROM t1, t2 WHERE y=b ORDER BY +x, +a;
  }
} {1 11 1}
do_test whereB-2.3 {
  db eval {
    SELECT x, a, y=b FROM t1, t2 WHERE b=y ORDER BY +x, +a;
  }
} {1 11 1}
do_test whereB-2.4 {
  db eval {
    SELECT x, a, y=b FROM t1, t2 WHERE +y=+b ORDER BY +x, +a;
  }
} {1 11 1}
do_test whereB-2.100 {
  db eval {
    DROP INDEX t2b;
    SELECT x, a, y=b FROM t1, t2 WHERE y=b ORDER BY +x, +a;
  }
} {1 11 1}
do_test whereB-2.101 {
  db eval {
    SELECT x, a, y=b FROM t1, t2 WHERE b=y ORDER BY +x, +a;
  }
} {1 11 1}
do_test whereB-2.102 {
  db eval {
    SELECT x, a, y=b FROM t1, t2 WHERE +y=+b ORDER BY +x, +a;
  }
























} {1 11 1}










































































































































































































































































































































































































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# focus of this file is testing WHERE clause conditions with
# subtle affinity issues.
#

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

# For this set of tests:
#
#  *   t1.y holds an integer value with affinity NONE
#  *   t2.b holds a text value with affinity TEXT
#
# These values are not equal and because neither affinity is NUMERIC
# no type conversion occurs.
#
do_test whereB-1.1 {
  db eval {
    CREATE TABLE t1(x,y);    -- affinity of t1.y is NONE
    INSERT INTO t1 VALUES(1,99);


    CREATE TABLE t2(a, b TEXT);  -- affinity of t2.b is TEXT
    CREATE INDEX t2b ON t2(b);
    INSERT INTO t2 VALUES(2,99);


    SELECT x, a, y=b FROM t1, t2 ORDER BY +x, +a;
  }
} {1 2 0}
do_test whereB-1.2 {
  db eval {
    SELECT x, a, y=b FROM t1, t2 WHERE y=b;
  }
} {}
do_test whereB-1.3 {
  db eval {
    SELECT x, a, y=b FROM t1, t2 WHERE b=y;
  }
} {}
do_test whereB-1.4 {
  db eval {
    SELECT x, a, y=b FROM t1, t2 WHERE +y=+b;
  }
} {}
do_test whereB-1.100 {
  db eval {
    DROP INDEX t2b;
    SELECT x, a, y=b FROM t1, t2 WHERE y=b;
  }
} {}
do_test whereB-1.101 {
  db eval {
    SELECT x, a, y=b FROM t1, t2 WHERE b=y;
  }
} {}
do_test whereB-1.102 {
  db eval {
    SELECT x, a, y=b FROM t1, t2 WHERE +y=+b;
  }
} {}

# For this set of tests:
#
#  *   t1.y holds a text value with affinity TEXT
#  *   t2.b holds an integer value with affinity NONE
#
# These values are not equal and because neither affinity is NUMERIC
# no type conversion occurs.
#
do_test whereB-2.1 {
  db eval {
    DROP TABLE t1;
    DROP TABLE t2;

    CREATE TABLE t1(x, y TEXT);    -- affinity of t1.y is TEXT
    INSERT INTO t1 VALUES(1,99);


    CREATE TABLE t2(a, b BLOB);  -- affinity of t2.b is NONE
    CREATE INDEX t2b ON t2(b);
    INSERT INTO t2 VALUES(2,99);


    SELECT x, a, y=b FROM t1, t2 ORDER BY +x, +a;
  }
} {1 2 0}
do_test whereB-2.2 {
  db eval {
    SELECT x, a, y=b FROM t1, t2 WHERE y=b;
  }
} {}
do_test whereB-2.3 {
  db eval {
    SELECT x, a, y=b FROM t1, t2 WHERE b=y;
  }
} {}
do_test whereB-2.4 {
  db eval {
    SELECT x, a, y=b FROM t1, t2 WHERE +y=+b;
  }
} {}
do_test whereB-2.100 {
  db eval {
    DROP INDEX t2b;
    SELECT x, a, y=b FROM t1, t2 WHERE y=b;
  }
} {}
do_test whereB-2.101 {
  db eval {
    SELECT x, a, y=b FROM t1, t2 WHERE b=y;
  }
} {}
do_test whereB-2.102 {
  db eval {
    SELECT x, a, y=b FROM t1, t2 WHERE +y=+b;
  }
} {}

# For this set of tests:
#
#  *   t1.y holds a text value with affinity NONE
#  *   t2.b holds an integer value with affinity NONE
#
# These values are not equal and because neither affinity is NUMERIC
# no type conversion occurs.
#
do_test whereB-3.1 {
  db eval {
    DROP TABLE t1;
    DROP TABLE t2;

    CREATE TABLE t1(x, y BLOB);    -- affinity of t1.y is NONE
    INSERT INTO t1 VALUES(1,2);

    CREATE TABLE t2(a, b BLOB);  -- affinity of t2.b is NONE
    CREATE INDEX t2b ON t2(b);
    INSERT INTO t2 VALUES(11,'2');

    SELECT x, a, y=b FROM t1, t2;
  }
} {1 11 0}
do_test whereB-3.2 {
  db eval {
    SELECT x, a, y=b FROM t1, t2 WHERE y=b;
  }
} {}
do_test whereB-3.3 {
  db eval {
    SELECT x, a, y=b FROM t1, t2 WHERE b=y;
  }
} {}
do_test whereB-3.4 {
  db eval {
    SELECT x, a, y=b FROM t1, t2 WHERE +y=+b;
  }
} {}
do_test whereB-3.100 {
  db eval {
    DROP INDEX t2b;
    SELECT x, a, y=b FROM t1, t2 WHERE y=b;
  }
} {}
do_test whereB-3.101 {
  db eval {
    SELECT x, a, y=b FROM t1, t2 WHERE b=y;
  }
} {}
do_test whereB-3.102 {
  db eval {
    SELECT x, a, y=b FROM t1, t2 WHERE +y=+b;
  }
} {}


# For this set of tests:
#
#  *   t1.y holds a text value with affinity NONE
#  *   t2.b holds an integer value with affinity NUMERIC
#
# Because t2.b has a numeric affinity, type conversion should occur
# and the two fields should be equal.
#
do_test whereB-4.1 {
  db eval {
    DROP TABLE t1;
    DROP TABLE t2;

    CREATE TABLE t1(x, y BLOB);    -- affinity of t1.y is NONE
    INSERT INTO t1 VALUES(1,'99');

    CREATE TABLE t2(a, b NUMERIC);  -- affinity of t2.b is NUMERIC
    CREATE INDEX t2b ON t2(b);
    INSERT INTO t2 VALUES(2,99);

    SELECT x, a, y=b FROM t1, t2;
  }
} {1 2 1}
do_test whereB-4.2 {
  db eval {
    SELECT x, a, y=b FROM t1, t2 WHERE y=b;
  }
} {1 2 1}
do_test whereB-4.3 {
  db eval {
    SELECT x, a, y=b FROM t1, t2 WHERE b=y;
  }
} {1 2 1}
do_test whereB-4.4 {
  # In this case the unary "+" operator removes the column affinity so
  # the columns compare false
  db eval {
    SELECT x, a, y=b FROM t1, t2 WHERE +y=+b;
  }
} {}
do_test whereB-4.100 {
  db eval {
    DROP INDEX t2b;
    SELECT x, a, y=b FROM t1, t2 WHERE y=b;
  }
} {1 2 1}
do_test whereB-4.101 {
  db eval {
    SELECT x, a, y=b FROM t1, t2 WHERE b=y;
  }
} {1 2 1}
do_test whereB-4.102 {
  # In this case the unary "+" operator removes the column affinity so
  # the columns compare false
  db eval {
    SELECT x, a, y=b FROM t1, t2 WHERE +y=+b;
  }
} {}



# For this set of tests:
#
#  *   t1.y holds a text value with affinity NONE
#  *   t2.b holds an integer value with affinity INTEGER
#
# Because t2.b has a numeric affinity, type conversion should occur
# and the two fields should be equal.
#
do_test whereB-5.1 {
  db eval {
    DROP TABLE t1;
    DROP TABLE t2;

    CREATE TABLE t1(x, y BLOB);    -- affinity of t1.y is NONE
    INSERT INTO t1 VALUES(1,'99');

    CREATE TABLE t2(a, b INT);  -- affinity of t2.b is INTEGER
    CREATE INDEX t2b ON t2(b);
    INSERT INTO t2 VALUES(2,99);

    SELECT x, a, y=b FROM t1, t2;
  }
} {1 2 1}
do_test whereB-5.2 {
  db eval {
    SELECT x, a, y=b FROM t1, t2 WHERE y=b;
  }
} {1 2 1}
do_test whereB-5.3 {
  db eval {
    SELECT x, a, y=b FROM t1, t2 WHERE b=y;
  }
} {1 2 1}
do_test whereB-5.4 {
  # In this case the unary "+" operator removes the column affinity so
  # the columns compare false
  db eval {
    SELECT x, a, y=b FROM t1, t2 WHERE +y=+b;
  }
} {}
do_test whereB-5.100 {
  db eval {
    DROP INDEX t2b;
    SELECT x, a, y=b FROM t1, t2 WHERE y=b;
  }
} {1 2 1}
do_test whereB-5.101 {
  db eval {
    SELECT x, a, y=b FROM t1, t2 WHERE b=y;
  }
} {1 2 1}
do_test whereB-5.102 {
  # In this case the unary "+" operator removes the column affinity so
  # the columns compare false
  db eval {
    SELECT x, a, y=b FROM t1, t2 WHERE +y=+b;
  }
} {}


# For this set of tests:
#
#  *   t1.y holds a text value with affinity NONE
#  *   t2.b holds an integer value with affinity REAL
#
# Because t2.b has a numeric affinity, type conversion should occur
# and the two fields should be equal.
#
do_test whereB-6.1 {
  db eval {
    DROP TABLE t1;
    DROP TABLE t2;

    CREATE TABLE t1(x, y BLOB);    -- affinity of t1.y is NONE
    INSERT INTO t1 VALUES(1,'99');

    CREATE TABLE t2(a, b REAL);  -- affinity of t2.b is REAL
    CREATE INDEX t2b ON t2(b);
    INSERT INTO t2 VALUES(2,99.0);

    SELECT x, a, y=b FROM t1, t2;
  }
} {1 2 1}
do_test whereB-6.2 {
  db eval {
    SELECT x, a, y=b FROM t1, t2 WHERE y=b;
  }
} {1 2 1}
do_test whereB-6.3 {
  db eval {
    SELECT x, a, y=b FROM t1, t2 WHERE b=y;
  }
} {1 2 1}
do_test whereB-6.4 {
  # In this case the unary "+" operator removes the column affinity so
  # the columns compare false
  db eval {
    SELECT x, a, y=b FROM t1, t2 WHERE +y=+b;
  }
} {}
do_test whereB-6.100 {
  db eval {
    DROP INDEX t2b;
    SELECT x, a, y=b FROM t1, t2 WHERE y=b;
  }
} {1 2 1}
do_test whereB-6.101 {
  db eval {
    SELECT x, a, y=b FROM t1, t2 WHERE b=y;
  }
} {1 2 1}
do_test whereB-6.102 {
  # In this case the unary "+" operator removes the column affinity so
  # the columns compare false
  db eval {
    SELECT x, a, y=b FROM t1, t2 WHERE +y=+b;
  }
} {}


# For this set of tests:
#
#  *   t1.y holds an integer value with affinity NUMERIC
#  *   t2.b holds a text value with affinity NONE
#
# Because t1.y has a numeric affinity, type conversion should occur
# and the two fields should be equal.
#
do_test whereB-7.1 {
  db eval {
    DROP TABLE t1;
    DROP TABLE t2;

    CREATE TABLE t1(x, y NUMERIC);  -- affinity of t1.y is NUMERIC
    INSERT INTO t1 VALUES(1,99);

    CREATE TABLE t2(a, b BLOB);  -- affinity of t2.b is NONE
    CREATE INDEX t2b ON t2(b);
    INSERT INTO t2 VALUES(2,'99');

    SELECT x, a, y=b FROM t1, t2;
  }
} {1 2 1}
do_test whereB-7.2 {
  db eval {
    SELECT x, a, y=b FROM t1, t2 WHERE y=b;
  }
} {1 2 1}
do_test whereB-7.3 {
  db eval {
    SELECT x, a, y=b FROM t1, t2 WHERE b=y;
  }
} {1 2 1}
do_test whereB-7.4 {
  # In this case the unary "+" operator removes the column affinity so
  # the columns compare false
  db eval {
    SELECT x, a, y=b FROM t1, t2 WHERE +y=+b;
  }
} {}
do_test whereB-7.100 {
  db eval {
    DROP INDEX t2b;
    SELECT x, a, y=b FROM t1, t2 WHERE y=b;
  }
} {1 2 1}
do_test whereB-7.101 {
  db eval {
    SELECT x, a, y=b FROM t1, t2 WHERE b=y;
  }
} {1 2 1}
do_test whereB-7.102 {
  # In this case the unary "+" operator removes the column affinity so
  # the columns compare false
  db eval {
    SELECT x, a, y=b FROM t1, t2 WHERE +y=+b;
  }
} {}

# For this set of tests:
#
#  *   t1.y holds an integer value with affinity INTEGER
#  *   t2.b holds a text value with affinity NONE
#
# Because t1.y has a numeric affinity, type conversion should occur
# and the two fields should be equal.
#
do_test whereB-8.1 {
  db eval {
    DROP TABLE t1;
    DROP TABLE t2;

    CREATE TABLE t1(x, y INT);  -- affinity of t1.y is INTEGER
    INSERT INTO t1 VALUES(1,99);

    CREATE TABLE t2(a, b BLOB);  -- affinity of t2.b is NONE
    CREATE INDEX t2b ON t2(b);
    INSERT INTO t2 VALUES(2,'99');

    SELECT x, a, y=b FROM t1, t2;
  }
} {1 2 1}
do_test whereB-8.2 {
  db eval {
    SELECT x, a, y=b FROM t1, t2 WHERE y=b;
  }
} {1 2 1}
do_test whereB-8.3 {
  db eval {
    SELECT x, a, y=b FROM t1, t2 WHERE b=y;
  }
} {1 2 1}
do_test whereB-8.4 {
  # In this case the unary "+" operator removes the column affinity so
  # the columns compare false
  db eval {
    SELECT x, a, y=b FROM t1, t2 WHERE +y=+b;
  }
} {}
do_test whereB-8.100 {
  db eval {
    DROP INDEX t2b;
    SELECT x, a, y=b FROM t1, t2 WHERE y=b;
  }
} {1 2 1}
do_test whereB-8.101 {
  db eval {
    SELECT x, a, y=b FROM t1, t2 WHERE b=y;
  }
} {1 2 1}
do_test whereB-8.102 {
  # In this case the unary "+" operator removes the column affinity so
  # the columns compare false
  db eval {
    SELECT x, a, y=b FROM t1, t2 WHERE +y=+b;
  }
} {}

# For this set of tests:
#
#  *   t1.y holds an integer value with affinity REAL
#  *   t2.b holds a text value with affinity NONE
#
# Because t1.y has a numeric affinity, type conversion should occur
# and the two fields should be equal.
#
do_test whereB-9.1 {
  db eval {
    DROP TABLE t1;
    DROP TABLE t2;

    CREATE TABLE t1(x, y REAL);  -- affinity of t1.y is REAL
    INSERT INTO t1 VALUES(1,99.0);

    CREATE TABLE t2(a, b BLOB);  -- affinity of t2.b is NONE
    CREATE INDEX t2b ON t2(b);
    INSERT INTO t2 VALUES(2,'99');

    SELECT x, a, y=b FROM t1, t2;
  }
} {1 2 1}
do_test whereB-9.2 {
  db eval {
    SELECT x, a, y=b FROM t1, t2 WHERE y=b;
  }
} {1 2 1}
do_test whereB-9.3 {
  db eval {
    SELECT x, a, y=b FROM t1, t2 WHERE b=y;
  }
} {1 2 1}
do_test whereB-9.4 {
  # In this case the unary "+" operator removes the column affinity so
  # the columns compare false
  db eval {
    SELECT x, a, y=b FROM t1, t2 WHERE +y=+b;
  }
} {}
do_test whereB-9.100 {
  db eval {
    DROP INDEX t2b;
    SELECT x, a, y=b FROM t1, t2 WHERE y=b;
  }
} {1 2 1}
do_test whereB-9.101 {
  db eval {
    SELECT x, a, y=b FROM t1, t2 WHERE b=y;
  }
} {1 2 1}
do_test whereB-9.102 {
  # In this case the unary "+" operator removes the column affinity so
  # the columns compare false
  db eval {
    SELECT x, a, y=b FROM t1, t2 WHERE +y=+b;
  }
} {}




finish_test