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Annotation of embedaddon/sqlite3/test/insert5.test, revision 1.1

1.1     ! misho       1: # 2007 November 23
        !             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: # The tests in this file ensure that a temporary table is used
        !            13: # when required by an "INSERT INTO ... SELECT ..." statement.
        !            14: #
        !            15: # $Id: insert5.test,v 1.5 2008/08/04 03:51:24 danielk1977 Exp $
        !            16: 
        !            17: set testdir [file dirname $argv0]
        !            18: source $testdir/tester.tcl
        !            19: 
        !            20: ifcapable !subquery {
        !            21:   finish_test
        !            22:   return
        !            23: }
        !            24: 
        !            25: # Return true if the compilation of the sql passed as an argument 
        !            26: # includes the opcode OpenEphemeral. An "INSERT INTO ... SELECT"
        !            27: # statement includes such an opcode if a temp-table is used
        !            28: # to store intermediate results.
        !            29: # 
        !            30: proc uses_temp_table {sql} {
        !            31:   return [expr {[lsearch [execsql "EXPLAIN $sql"] OpenEphemeral]>=0}]
        !            32: }
        !            33: 
        !            34: # Construct the sample database.
        !            35: #
        !            36: do_test insert5-1.0 {
        !            37:   forcedelete test2.db test2.db-journal
        !            38:   execsql {
        !            39:     CREATE TABLE MAIN(Id INTEGER, Id1 INTEGER); 
        !            40:     CREATE TABLE B(Id INTEGER, Id1 INTEGER); 
        !            41:     CREATE VIEW v1 AS SELECT * FROM B;
        !            42:     CREATE VIEW v2 AS SELECT * FROM MAIN;
        !            43:     INSERT INTO MAIN(Id,Id1) VALUES(2,3); 
        !            44:     INSERT INTO B(Id,Id1) VALUES(2,3); 
        !            45:   }
        !            46: } {}
        !            47: 
        !            48: # Run the query.
        !            49: #
        !            50: ifcapable compound {
        !            51:   do_test insert5-1.1 {
        !            52:     execsql {
        !            53:       INSERT INTO B 
        !            54:         SELECT * FROM B UNION ALL 
        !            55:         SELECT * FROM MAIN WHERE exists (select * FROM B WHERE B.Id = MAIN.Id);
        !            56:       SELECT * FROM B;
        !            57:     }
        !            58:   } {2 3 2 3 2 3}
        !            59: } else {
        !            60:   do_test insert5-1.1 {
        !            61:     execsql {
        !            62:       INSERT INTO B SELECT * FROM B;
        !            63:       INSERT INTO B
        !            64:         SELECT * FROM MAIN WHERE exists (select * FROM B WHERE B.Id = MAIN.Id);
        !            65:       SELECT * FROM B;
        !            66:     }
        !            67:   } {2 3 2 3 2 3}
        !            68: }
        !            69: do_test insert5-2.1 {
        !            70:   uses_temp_table { INSERT INTO b SELECT * FROM main }
        !            71: } {0}
        !            72: do_test insert5-2.2 {
        !            73:   uses_temp_table { INSERT INTO b SELECT * FROM b }
        !            74: } {1}
        !            75: do_test insert5-2.3 {
        !            76:   uses_temp_table { INSERT INTO b SELECT (SELECT id FROM b), id1 FROM main }
        !            77: } {1}
        !            78: do_test insert5-2.4 {
        !            79:   uses_temp_table { INSERT INTO b SELECT id1, (SELECT id FROM b) FROM main }
        !            80: } {1}
        !            81: do_test insert5-2.5 {
        !            82:   uses_temp_table { 
        !            83:     INSERT INTO b 
        !            84:       SELECT * FROM main WHERE id = (SELECT id1 FROM b WHERE main.id = b.id) }
        !            85: } {1}
        !            86: do_test insert5-2.6 {
        !            87:   uses_temp_table { INSERT INTO b SELECT * FROM v1 }
        !            88: } {1}
        !            89: do_test insert5-2.7 {
        !            90:   uses_temp_table { INSERT INTO b SELECT * FROM v2 }
        !            91: } {0}
        !            92: do_test insert5-2.8 {
        !            93:   uses_temp_table { 
        !            94:     INSERT INTO b 
        !            95:     SELECT * FROM main WHERE id > 10 AND max(id1, (SELECT id FROM b)) > 10;
        !            96:   }
        !            97: } {1}
        !            98: 
        !            99: # UPDATE: Using a column from the outer query (main.id) in the GROUP BY
        !           100: # or ORDER BY of a sub-query is no longer supported.
        !           101: #
        !           102: # do_test insert5-2.9 {
        !           103: #   uses_temp_table { 
        !           104: #     INSERT INTO b 
        !           105: #     SELECT * FROM main 
        !           106: #     WHERE id > 10 AND (SELECT count(*) FROM v2 GROUP BY main.id)
        !           107: #   }
        !           108: # } {}
        !           109: do_test insert5-2.9 {
        !           110:   catchsql { 
        !           111:     INSERT INTO b 
        !           112:     SELECT * FROM main 
        !           113:     WHERE id > 10 AND (SELECT count(*) FROM v2 GROUP BY main.id)
        !           114:   }
        !           115: } {1 {no such column: main.id}}
        !           116: 
        !           117: finish_test