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test/insert5.test
117 строк3 KB
mistachkin
Add retry logic for AV defense to winOpen. Also, refactor test suite to allow the key Tcl file operations (e.g. copy and delete) to be retried.
02 авг 2011, 04:57
02 авг 2011, 04:57fda06be
# 2007 November 23
#
# 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.
#
#***********************************************************************
#
# The tests in this file ensure that a temporary table is used
# when required by an "INSERT INTO ... SELECT ..." statement.
#
# $Id: insert5.test,v 1.5 2008/08/04 03:51:24 danielk1977 Exp $

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

ifcapable !subquery {
  finish_test
  return
}

# Return true if the compilation of the sql passed as an argument 
# includes the opcode OpenEphemeral. An "INSERT INTO ... SELECT"
# statement includes such an opcode if a temp-table is used
# to store intermediate results.
# 
proc uses_temp_table {sql} {
  return [expr {[lsearch [execsql "EXPLAIN $sql"] OpenEphemeral]>=0}]
}

# Construct the sample database.
#
do_test insert5-1.0 {
  forcedelete test2.db test2.db-journal
  execsql {
    CREATE TABLE MAIN(Id INTEGER, Id1 INTEGER); 
    CREATE TABLE B(Id INTEGER, Id1 INTEGER); 
    CREATE VIEW v1 AS SELECT * FROM B;
    CREATE VIEW v2 AS SELECT * FROM MAIN;
    INSERT INTO MAIN(Id,Id1) VALUES(2,3); 
    INSERT INTO B(Id,Id1) VALUES(2,3); 
  }
} {}

# Run the query.
#
ifcapable compound {
  do_test insert5-1.1 {
    execsql {
      INSERT INTO B 
        SELECT * FROM B UNION ALL 
        SELECT * FROM MAIN WHERE exists (select * FROM B WHERE B.Id = MAIN.Id);
      SELECT * FROM B;
    }
  } {2 3 2 3 2 3}
} else {
  do_test insert5-1.1 {
    execsql {
      INSERT INTO B SELECT * FROM B;
      INSERT INTO B
        SELECT * FROM MAIN WHERE exists (select * FROM B WHERE B.Id = MAIN.Id);
      SELECT * FROM B;
    }
  } {2 3 2 3 2 3}
}
do_test insert5-2.1 {
  uses_temp_table { INSERT INTO b SELECT * FROM main }
} {0}
do_test insert5-2.2 {
  uses_temp_table { INSERT INTO b SELECT * FROM b }
} {1}
do_test insert5-2.3 {
  uses_temp_table { INSERT INTO b SELECT (SELECT id FROM b), id1 FROM main }
} {1}
do_test insert5-2.4 {
  uses_temp_table { INSERT INTO b SELECT id1, (SELECT id FROM b) FROM main }
} {1}
do_test insert5-2.5 {
  uses_temp_table { 
    INSERT INTO b 
      SELECT * FROM main WHERE id = (SELECT id1 FROM b WHERE main.id = b.id) }
} {1}
do_test insert5-2.6 {
  uses_temp_table { INSERT INTO b SELECT * FROM v1 }
} {1}
do_test insert5-2.7 {
  uses_temp_table { INSERT INTO b SELECT * FROM v2 }
} {0}
do_test insert5-2.8 {
  uses_temp_table { 
    INSERT INTO b 
    SELECT * FROM main WHERE id > 10 AND max(id1, (SELECT id FROM b)) > 10;
  }
} {1}

# UPDATE: Using a column from the outer query (main.id) in the GROUP BY
# or ORDER BY of a sub-query is no longer supported.
#
# do_test insert5-2.9 {
#   uses_temp_table { 
#     INSERT INTO b 
#     SELECT * FROM main 
#     WHERE id > 10 AND (SELECT count(*) FROM v2 GROUP BY main.id)
#   }
# } {}
do_test insert5-2.9 {
  catchsql { 
    INSERT INTO b 
    SELECT * FROM main 
    WHERE id > 10 AND (SELECT count(*) FROM v2 GROUP BY main.id)
  }
} {1 {no such column: main.id}}

finish_test