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1 | office | 1 | # 2009 August 1 |
2 | # |
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3 | # The author disclaims copyright to this source code. In place of |
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4 | # a legal notice, here is a blessing: |
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5 | # |
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6 | # May you do good and not evil. |
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7 | # May you find forgiveness for yourself and forgive others. |
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8 | # May you share freely, never taking more than you give. |
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9 | # |
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10 | #*********************************************************************** |
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11 | # |
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12 | # Tests to make sure #3810 is fixed. |
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13 | # |
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14 | # $Id: tkt3810.test,v 1.4 2009/08/06 17:43:31 drh Exp $ |
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15 | |||
16 | set testdir [file dirname $argv0] |
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17 | source $testdir/tester.tcl |
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18 | ifcapable {!trigger} { |
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19 | finish_test |
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20 | return |
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21 | } |
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22 | |||
23 | # Create a table using the first database connection. |
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24 | # |
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25 | do_test tkt3810-1.1 { |
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26 | execsql { |
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27 | CREATE TABLE t1(x); |
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28 | INSERT INTO t1 VALUES(123); |
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29 | SELECT * FROM t1; |
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30 | CREATE TABLE t2(y); |
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31 | CREATE TABLE t3(z); |
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32 | } |
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33 | } 123 |
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34 | |||
35 | # Create a second connection to the same database. Make sure the |
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36 | # schema of the database has been parsed by the second connection. |
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37 | # |
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38 | do_test tkt3810-2 { |
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39 | sqlite3 db2 test.db |
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40 | execsql { |
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41 | SELECT * FROM t1; |
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42 | } db2 |
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43 | } 123 |
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44 | |||
45 | # DROP the table using the second connection. The table no longer exists |
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46 | # but the first connection does not yet know this. Then try to create a TEMP |
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47 | # trigger in the first connection that references the table that was dropped. |
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48 | # |
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49 | do_test tkt3810-3 { |
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50 | execsql {DROP TABLE t1} db2 |
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51 | execsql { |
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52 | CREATE TEMP TRIGGER r1 AFTER INSERT ON t1 BEGIN |
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53 | INSERT INTO t2 VALUES(new.rowid); |
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54 | END; |
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55 | } |
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56 | catchsql { |
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57 | SELECT * FROM t3; |
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58 | } |
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59 | } {0 {}} |
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60 | |||
61 | # Trigger still exists in the sqlite_temp_master table, but now it is |
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62 | # an orphan. |
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63 | # |
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64 | do_test tkt3810-4 { |
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65 | execsql {SELECT name FROM sqlite_temp_master ORDER BY name} |
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66 | } {r1} |
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67 | |||
68 | # Because it is an orphan, it cannot be dropped. |
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69 | # |
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70 | do_test tkt3810-5 { |
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71 | catchsql {DROP TRIGGER r1} |
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72 | } {1 {no such trigger: r1}} |
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73 | |||
74 | # Create a table t1 then drop the table in order to drop the orphaned |
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75 | # trigger. |
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76 | # |
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77 | do_test tkt3810-6 { |
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78 | execsql {CREATE TABLE t1(x)} db2 |
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79 | execsql {DROP TABLE t1} |
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80 | execsql { |
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81 | SELECT name FROM sqlite_temp_master; |
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82 | } |
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83 | } {} |
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84 | |||
85 | db2 close |
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86 | |||
87 | finish_test |