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Annotation of embedaddon/sqlite3/test/tkt2251.test, revision 1.1

1.1     ! misho       1: # 2007 Febuary 24
        !             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: # This file implements regression tests for SQLite library.
        !            12: #
        !            13: # This file implements tests to verify that table column values
        !            14: # are pulled out of the database correctly.
        !            15: #
        !            16: # Long ago, the OP_Column opcode was sufficient to pull out the
        !            17: # value of a table column.  But then we added the ALTER TABLE ADD COLUMN
        !            18: # feature.  An added column might not actually exist in every row,
        !            19: # and so the OP_Column opcode has to contain a default value.  Later
        !            20: # still we added a feature whereby a REAL value with no fractional
        !            21: # part is stored in the database file as an integer to save space.
        !            22: # After extracting the value, we have to call OP_RealAffinity to
        !            23: # convert it back to a REAL.
        !            24: #
        !            25: # The sqlite3ExprCodeGetColumn() routine was added to take care of
        !            26: # all of the complications above.  The tests in this file attempt
        !            27: # to verify that sqlite3ExprCodeGetColumn() is used instead of a
        !            28: # raw OP_Column in all places where a table column is extracted from
        !            29: # the database.
        !            30: #
        !            31: # $Id: tkt2251.test,v 1.2 2007/09/12 17:01:45 danielk1977 Exp $
        !            32: 
        !            33: set testdir [file dirname $argv0]
        !            34: source $testdir/tester.tcl
        !            35: 
        !            36: ifcapable !altertable {
        !            37:   finish_test
        !            38:   return
        !            39: }
        !            40: 
        !            41: # Create sample data.  Verify that the default value and type of an added
        !            42: # column is correct for aggregates.
        !            43: do_test tkt2251-1.1 {
        !            44:   execsql {
        !            45:     CREATE TABLE t1(a INTEGER);
        !            46:     INSERT INTO t1 VALUES(1);
        !            47:     INSERT INTO t1 VALUES(1);
        !            48:     INSERT INTO t1 VALUES(2);
        !            49:     INSERT INTO t1 VALUES(9);
        !            50:     INSERT INTO t1 VALUES(9);
        !            51:     INSERT INTO t1 VALUES(9);
        !            52:     INSERT INTO t1 VALUES(3);
        !            53:     INSERT INTO t1 VALUES(2);
        !            54:     ALTER TABLE t1 ADD COLUMN b REAL DEFAULT 4.0;
        !            55:     SELECT avg(b), typeof(avg(b)) FROM t1;
        !            56:   }
        !            57: } {4.0 real}
        !            58: do_test tkt2251-1.2 {
        !            59:   execsql {
        !            60:     SELECT sum(b), typeof(sum(b)) FROM t1;
        !            61:   }
        !            62: } {32.0 real}
        !            63: do_test tkt2251-1.3 {
        !            64:   execsql {
        !            65:     SELECT a, sum(b), typeof(sum(b)) FROM t1 GROUP BY a ORDER BY a;
        !            66:   }
        !            67: } {1 8.0 real 2 8.0 real 3 4.0 real 9 12.0 real}
        !            68: 
        !            69: # Make sure that the REAL value comes out when values are accessed
        !            70: # by index.
        !            71: #
        !            72: do_test tkt2251-2.1 {
        !            73:   execsql {
        !            74:     SELECT b, typeof(b) FROM t1 WHERE a=3;
        !            75:   }
        !            76: } {4.0 real}
        !            77: do_test tkt2251-2.2 {
        !            78:   execsql {
        !            79:     CREATE INDEX t1i1 ON t1(a,b);
        !            80:     SELECT b, typeof(b) FROM t1 WHERE a=3;
        !            81:   }
        !            82: } {4.0 real}
        !            83: do_test tkt2251-2.3 {
        !            84:   execsql {
        !            85:     REINDEX;
        !            86:     SELECT b, typeof(b) FROM t1 WHERE a=3;
        !            87:   }
        !            88: } {4.0 real}
        !            89: 
        !            90: # Make sure the correct REAL value is used when copying from one
        !            91: # table to another.
        !            92: #
        !            93: do_test tkt2251-3.1 {
        !            94:   execsql {
        !            95:     CREATE TABLE t2(x,y);
        !            96:     INSERT INTO t2 SELECT * FROM t1;
        !            97:     SELECT y, typeof(y) FROM t2 WHERE x=3;
        !            98:   }
        !            99: } {4.0 real}
        !           100: do_test tkt2251-3.2 {
        !           101:   execsql {
        !           102:     CREATE TABLE t3 AS SELECT * FROM t1;
        !           103:     SELECT b, typeof(b) FROM t3 WHERE a=3;
        !           104:   }
        !           105: } {4.0 real}
        !           106: 
        !           107: 
        !           108: finish_test