capi2.test

sqlite嵌入式数据库源码

  sqlite3_finalize $VM2
} {SQLITE_OK}

# Check for proper SQLITE_BUSY returns.
#
do_test capi2-6.1 {
  execsql {
    BEGIN;
    CREATE TABLE t3(x counter);
    INSERT INTO t3 VALUES(1);
    INSERT INTO t3 VALUES(2);
    INSERT INTO t3 SELECT x+2 FROM t3;
    INSERT INTO t3 SELECT x+4 FROM t3;
    INSERT INTO t3 SELECT x+8 FROM t3;
    COMMIT;
  }
  set VM1 [sqlite3_prepare $DB {SELECT * FROM t3} -1 TAIL]
  sqlite3 db2 test.db
  execsql {BEGIN} db2
} {}
# Update for v3: BEGIN doesn't write-lock the database. It is quite
# difficult to get v3 to write-lock the database, which causes a few
# problems for test scripts.
#
# do_test capi2-6.2 {
#   list [sqlite3_step $VM1] \
#        [sqlite3_column_count $VM1] \
#        [get_row_values $VM1] \
#        [get_column_names $VM1]
# } {SQLITE_BUSY 0 {} {}}
do_test capi2-6.3 {
  execsql {COMMIT} db2
} {}
do_test capi2-6.4 {
  list [sqlite3_step $VM1] \
       [sqlite3_column_count $VM1] \
       [get_row_values $VM1] \
       [get_column_names $VM1]
} {SQLITE_ROW 1 1 {x counter}}
do_test capi2-6.5 {
  catchsql {INSERT INTO t3 VALUES(10);} db2
} {1 {database is locked}}
do_test capi2-6.6 {
  list [sqlite3_step $VM1] \
       [sqlite3_column_count $VM1] \
       [get_row_values $VM1] \
       [get_column_names $VM1]
} {SQLITE_ROW 1 2 {x counter}}
do_test capi2-6.7 {
  execsql {SELECT * FROM t2} db2
} {2 3 3 4 1 2}
do_test capi2-6.8 {
  list [sqlite3_step $VM1] \
       [sqlite3_column_count $VM1] \
       [get_row_values $VM1] \
       [get_column_names $VM1]
} {SQLITE_ROW 1 3 {x counter}}
do_test capi2-6.9 {
  execsql {SELECT * FROM t2} 
} {2 3 3 4 1 2}
do_test capi2-6.10 {
  list [sqlite3_step $VM1] \
       [sqlite3_column_count $VM1] \
       [get_row_values $VM1] \
       [get_column_names $VM1]
} {SQLITE_ROW 1 4 {x counter}}
do_test capi2-6.11 {
  execsql {BEGIN}
} {}
do_test capi2-6.12 {
  list [sqlite3_step $VM1] \
       [sqlite3_column_count $VM1] \
       [get_row_values $VM1] \
       [get_column_names $VM1]
} {SQLITE_ROW 1 5 {x counter}}

do_test capi2-6.13 {
  catchsql {UPDATE t3 SET x=x+1}
} {1 {database table is locked}}
do_test capi2-6.14 {
  list [sqlite3_step $VM1] \
       [sqlite3_column_count $VM1] \
       [get_row_values $VM1] \
       [get_column_names $VM1]
} {SQLITE_ROW 1 6 {x counter}}
do_test capi2-6.15 {
  execsql {SELECT * FROM t1}
} {1 2 3}
do_test capi2-6.16 {
  list [sqlite3_step $VM1] \
       [sqlite3_column_count $VM1] \
       [get_row_values $VM1] \
       [get_column_names $VM1]
} {SQLITE_ROW 1 7 {x counter}}
do_test capi2-6.17 {
  catchsql {UPDATE t1 SET b=b+1}
} {0 {}}
do_test capi2-6.18 {
  list [sqlite3_step $VM1] \
       [sqlite3_column_count $VM1] \
       [get_row_values $VM1] \
       [get_column_names $VM1]
} {SQLITE_ROW 1 8 {x counter}}
do_test capi2-6.19 {
  execsql {SELECT * FROM t1}
} {1 3 3}
do_test capi2-6.20 {
  list [sqlite3_step $VM1] \
       [sqlite3_column_count $VM1] \
       [get_row_values $VM1] \
       [get_column_names $VM1]
} {SQLITE_ROW 1 9 {x counter}}
#do_test capi2-6.21 {
#  execsql {ROLLBACK; SELECT * FROM t1}
#} {1 2 3}
do_test capi2-6.22 {
  list [sqlite3_step $VM1] \
       [sqlite3_column_count $VM1] \
       [get_row_values $VM1] \
       [get_column_names $VM1]
} {SQLITE_ROW 1 10 {x counter}}
#do_test capi2-6.23 {
#  execsql {BEGIN TRANSACTION;}
#} {}
do_test capi2-6.24 {
  list [sqlite3_step $VM1] \
       [sqlite3_column_count $VM1] \
       [get_row_values $VM1] \
       [get_column_names $VM1]
} {SQLITE_ROW 1 11 {x counter}}
do_test capi2-6.25 {
  execsql {
    INSERT INTO t1 VALUES(2,3,4);
    SELECT * FROM t1;
  }
} {1 3 3 2 3 4}
do_test capi2-6.26 {
  list [sqlite3_step $VM1] \
       [sqlite3_column_count $VM1] \
       [get_row_values $VM1] \
       [get_column_names $VM1]
} {SQLITE_ROW 1 12 {x counter}}
do_test capi2-6.27 {
  catchsql {
    INSERT INTO t1 VALUES(2,4,5);
    SELECT * FROM t1;
  }
} {1 {column a is not unique}}
do_test capi2-6.28 {
  list [sqlite3_step $VM1] \
       [sqlite3_column_count $VM1] \
       [get_row_values $VM1] \
       [get_column_names $VM1]
} {SQLITE_ROW 1 13 {x counter}}
do_test capi2-6.99 {
  sqlite3_finalize $VM1
} {SQLITE_OK}
catchsql {ROLLBACK}

do_test capi2-7.1 {
  stepsql $DB {
    SELECT * FROM t1
  }
} {0 1 2 3}
do_test capi2-7.2 {
  stepsql $DB {
    PRAGMA count_changes=on
  }
} {0}
do_test capi2-7.3 {
  stepsql $DB {
    UPDATE t1 SET a=a+10;
  }
} {0 1}
do_test capi2-7.4 {
  stepsql $DB {
    INSERT INTO t1 SELECT a+1,b+1,c+1 FROM t1;
  }
} {0 1}
do_test capi2-7.4b {sqlite3_changes $DB} {1}
do_test capi2-7.5 {
  stepsql $DB {
    UPDATE t1 SET a=a+10;
  }
} {0 2}
do_test capi2-7.5b {sqlite3_changes $DB} {2}
do_test capi2-7.6 {
  stepsql $DB {
    SELECT * FROM t1;
  }
} {0 21 2 3 22 3 4}
do_test capi2-7.7 {
  stepsql $DB {
    INSERT INTO t1 SELECT a+2,b+2,c+2 FROM t1;
  }
} {0 2}
do_test capi2-7.8 {
  sqlite3_changes $DB
} {2}
do_test capi2-7.9 {
  stepsql $DB {
    SELECT * FROM t1;
  }
} {0 21 2 3 22 3 4 23 4 5 24 5 6}
do_test capi2-7.10 {
  stepsql $DB {
    UPDATE t1 SET a=a-20;
    SELECT * FROM t1;
  }
} {0 4 1 2 3 2 3 4 3 4 5 4 5 6}

# Update for version 3: A SELECT statement no longer resets the change
# counter (Test result changes from 0 to 4).
do_test capi2-7.11 {
  sqlite3_changes $DB
} {4}
do_test capi2-7.11a {
  execsql {SELECT count(*) FROM t1}
} {4}

ifcapable {explain} {
  do_test capi2-7.12 {
btree_breakpoint
    set x [stepsql $DB {EXPLAIN SELECT * FROM t1}]
    lindex $x 0
  } {0}
}

# Ticket #261 - make sure we can finalize before the end of a query.
#
do_test capi2-8.1 {
  set VM1 [sqlite3_prepare $DB {SELECT * FROM t2} -1 TAIL]
  sqlite3_finalize $VM1
} {SQLITE_OK}
  
# Tickets #384 and #385 - make sure the TAIL argument to sqlite3_prepare
# and all of the return pointers in sqlite_step can be null.
#
do_test capi2-9.1 {
  set VM1 [sqlite3_prepare $DB {SELECT * FROM t2} -1 DUMMY]
  sqlite3_step $VM1
  sqlite3_finalize $VM1
} {SQLITE_OK}

# Test that passing a NULL pointer to sqlite3_finalize() or sqlite3_reset
# does not cause an error.
do_test capi2-10.1 {
  sqlite3_finalize 0
} {SQLITE_OK}
do_test capi2-10.2 {
  sqlite3_reset 0
} {SQLITE_OK}

#---------------------------------------------------------------------------
# The following tests - capi2-11.* - test the "column origin" APIs.
#
#   sqlite3_column_origin_name()
#   sqlite3_column_database_name()
#   sqlite3_column_table_name()
#

ifcapable columnmetadata {

# This proc uses the database handle $::DB to compile the SQL statement passed
# as a parameter. The return value of this procedure is a list with one
# element for each column returned by the compiled statement. Each element of
# this list is itself a list of length three, consisting of the origin
# database, table and column for the corresponding returned column.
proc check_origins {sql} {
  set ret [list]
  set ::STMT [sqlite3_prepare $::DB $sql -1 dummy]
  for {set i 0} {$i < [sqlite3_column_count $::STMT]} {incr i} {
    lappend ret [list                           \
      [sqlite3_column_database_name $::STMT $i] \
      [sqlite3_column_table_name $::STMT $i]    \
      [sqlite3_column_origin_name $::STMT $i]   \
    ]
  }
  sqlite3_finalize $::STMT
  return $ret
}
do_test capi2-11.1 {
  execsql {
    CREATE TABLE tab1(col1, col2);
  }
} {}
do_test capi2-11.2 {
  check_origins {SELECT col2, col1 FROM tab1}
} [list {main tab1 col2} {main tab1 col1}]
do_test capi2-11.3 {
  check_origins {SELECT col2 AS hello, col1 AS world FROM tab1}
} [list {main tab1 col2} {main tab1 col1}]

ifcapable subquery {
  do_test capi2-11.4 {
    check_origins {SELECT b, a FROM (SELECT col1 AS a, col2 AS b FROM tab1)}
  } [list {main tab1 col2} {main tab1 col1}]
  do_test capi2-11.5 {
    check_origins {SELECT (SELECT col2 FROM tab1), (SELECT col1 FROM tab1)}
  } [list {main tab1 col2} {main tab1 col1}]
  do_test capi2-11.6 {
    check_origins {SELECT (SELECT col2), (SELECT col1) FROM tab1}
  } [list {main tab1 col2} {main tab1 col1}]
  do_test capi2-11.7 {
    check_origins {SELECT * FROM tab1}
  } [list {main tab1 col1} {main tab1 col2}]
  do_test capi2-11.8 {
    check_origins {SELECT * FROM (SELECT * FROM tab1)}
  } [list {main tab1 col1} {main tab1 col2}]
}

ifcapable view&&subquery {
  do_test capi2-12.1 {
    execsql {
      CREATE VIEW view1 AS SELECT * FROM  tab1;
    }
  } {}
  do_test capi2-12.2 {
    check_origins {SELECT col2, col1 FROM view1}
  } [list {main tab1 col2} {main tab1 col1}]
  do_test capi2-12.3 {
    check_origins {SELECT col2 AS hello, col1 AS world FROM view1}
  } [list {main tab1 col2} {main tab1 col1}]
  do_test capi2-12.4 {
    check_origins {SELECT b, a FROM (SELECT col1 AS a, col2 AS b FROM view1)}
  } [list {main tab1 col2} {main tab1 col1}]
  do_test capi2-12.5 {
    check_origins {SELECT (SELECT col2 FROM view1), (SELECT col1 FROM view1)}
  } [list {main tab1 col2} {main tab1 col1}]
  do_test capi2-12.6 {
    check_origins {SELECT (SELECT col2), (SELECT col1) FROM view1}
  } [list {main tab1 col2} {main tab1 col1}]
  do_test capi2-12.7 {
    check_origins {SELECT * FROM view1}
  } [list {main tab1 col1} {main tab1 col2}]
  do_test capi2-12.8 {
    check_origins {select * from (select * from view1)}
  } [list {main tab1 col1} {main tab1 col2}]
  do_test capi2-12.9 {
    check_origins {select * from (select * from (select * from view1))}
  } [list {main tab1 col1} {main tab1 col2}]
  do_test capi2-12.10 {
    db close
    sqlite3 db test.db
    set ::DB [sqlite3_connection_pointer db]
    check_origins {select * from (select * from (select * from view1))}
  } [list {main tab1 col1} {main tab1 col2}]
  
  # This view will thwart the flattening optimization.
  do_test capi2-13.1 {
    execsql {
      CREATE VIEW view2 AS SELECT * FROM tab1 limit 10 offset 10;
    }
  } {}
  breakpoint
  do_test capi2-13.2 {
    check_origins {SELECT col2, col1 FROM view2}
  } [list {main tab1 col2} {main tab1 col1}]
  do_test capi2-13.3 {
    check_origins {SELECT col2 AS hello, col1 AS world FROM view2}
  } [list {main tab1 col2} {main tab1 col1}]
  do_test capi2-13.4 {
    check_origins {SELECT b, a FROM (SELECT col1 AS a, col2 AS b FROM view2)}
  } [list {main tab1 col2} {main tab1 col1}]
  do_test capi2-13.5 {
    check_origins {SELECT (SELECT col2 FROM view2), (SELECT col1 FROM view2)}
  } [list {main tab1 col2} {main tab1 col1}]
  do_test capi2-13.6 {
    check_origins {SELECT (SELECT col2), (SELECT col1) FROM view2}
  } [list {main tab1 col2} {main tab1 col1}]
  do_test capi2-13.7 {
    check_origins {SELECT * FROM view2}
  } [list {main tab1 col1} {main tab1 col2}]
  do_test capi2-13.8 {
    check_origins {select * from (select * from view2)}
  } [list {main tab1 col1} {main tab1 col2}]
  do_test capi2-13.9 {
    check_origins {select * from (select * from (select * from view2))}
  } [list {main tab1 col1} {main tab1 col2}]
  do_test capi2-13.10 {
    db close
    sqlite3 db test.db
    set ::DB [sqlite3_connection_pointer db]
    check_origins {select * from (select * from (select * from view2))}
  } [list {main tab1 col1} {main tab1 col2}]
  do_test capi2-13.11 {
    check_origins {select * from (select * from tab1 limit 10 offset 10)}
  } [list {main tab1 col1} {main tab1 col2}]
}


} ;# ifcapable columnmetadata

db2 close
finish_test