3 # The author disclaims copyright to this source code. In place of
4 # a legal notice, here is a blessing:
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.
10 #***********************************************************************
13 set testdir [file dirname $argv0]
14 source $testdir/tester.tcl
15 set testprefix e_blobclose
22 set dots [string repeat . 40]
24 CREATE TABLE x1(a INTEGER PRIMARY KEY, b DOTS);
25 INSERT INTO x1 VALUES(-1, $dots);
26 INSERT INTO x1 VALUES(-10, $dots);
27 INSERT INTO x1 VALUES(-100, $dots);
28 INSERT INTO x1 VALUES(-1000, $dots);
29 INSERT INTO x1 VALUES(-10000, $dots);
32 # EVIDENCE-OF: R-03145-46390 This function closes an open BLOB handle.
34 # It's not clear how to test that a blob handle really is closed.
35 # Attempting to use a closed blob handle will likely crash the process.
36 # Assume here that if the SHARED lock on the db file is released,
37 # the blob handle has been closed.
39 do_execsql_test 1.1 { PRAGMA lock_status } {main unlocked temp closed}
40 sqlite3_blob_open db main x1 b -1 0 B
41 do_execsql_test 1.2 { PRAGMA lock_status } {main shared temp closed}
43 do_execsql_test 1.3 { PRAGMA lock_status } {main unlocked temp closed}
46 # EVIDENCE-OF: R-34027-00617 If the blob handle being closed was opened
47 # for read-write access, and if the database is in auto-commit mode and
48 # there are no other open read-write blob handles or active write
49 # statements, the current transaction is committed.
51 # 2.1.*: Transaction is not committed if there are other open
52 # read-write blob handles.
54 # 2.2.*: Transaction is not committed if not in auto-commit mode.
56 # 2.3.*: Active write statements.
59 sqlite3_blob_open db main x1 b -100 1 B1
60 sqlite3_blob_open db main x1 b -1000 1 B2
61 sqlite3_blob_open db main x1 b -10000 1 B3
62 sqlite3_blob_open db main x1 b -10000 0 B4 ;# B4 is read-only!
63 execsql { PRAGMA lock_status }
64 } {main reserved temp closed}
66 sqlite3_blob_close $B1
67 execsql { PRAGMA lock_status }
68 } {main reserved temp closed}
70 sqlite3_blob_close $B2
71 execsql { PRAGMA lock_status }
72 } {main reserved temp closed}
74 sqlite3_blob_close $B3
75 execsql { PRAGMA lock_status }
76 } {main shared temp closed}
78 sqlite3_blob_close $B4
79 execsql { PRAGMA lock_status }
80 } {main unlocked temp closed}
83 sqlite3_blob_open db main x1 b -100 1 B1
84 execsql { PRAGMA lock_status }
85 } {main reserved temp closed}
88 sqlite3_blob_close $B1
89 execsql { PRAGMA lock_status }
90 } {main reserved temp closed}
93 execsql { PRAGMA lock_status }
94 } {main unlocked temp closed}
97 sqlite3_blob_close $::B
98 db eval { PRAGMA lock_status }
102 sqlite3_blob_open db main x1 b -100 1 B
103 execsql { PRAGMA lock_status }
104 } {main reserved temp closed}
106 execsql { INSERT INTO x1 VALUES(15, val()) }
107 execsql { PRAGMA lock_status }
108 } {main unlocked temp closed}
110 execsql { SELECT * FROM x1 WHERE a = 15 }
111 } {15 {main reserved temp closed}}
113 # A reader does not inhibit commit.
115 sqlite3_blob_open db main x1 b -100 1 B
116 execsql { PRAGMA lock_status }
117 } {main reserved temp closed}
119 execsql { SELECT a, val() FROM x1 LIMIT 1 }
120 } {-10000 {main shared temp closed}}
124 sqlite3_blob_open db main x1 b -10 1 B
126 INSERT INTO x1 VALUES(1, 'abc');
127 SELECT * FROM x1 WHERE a=1;
131 sqlite3_blob_write $B 0 "abcdefghij" 10
132 execsql { SELECT * FROM x1 WHERE a=-10 }
133 } {-10 abcdefghij..............................}
137 execsql { BEGIN ; SELECT * FROM x1 } db2
138 sqlite3_blob_close $B
141 # EVIDENCE-OF: R-41959-38737 Otherwise, if this function is passed a
142 # valid open blob handle, the values returned by the sqlite3_errcode()
143 # and sqlite3_errmsg() functions are set before returning.
146 list [sqlite3_errcode db] [sqlite3_errmsg db]
147 } {SQLITE_BUSY {database is locked}}
149 # EVIDENCE-OF: R-37801-37633 The BLOB handle is closed unconditionally.
150 # Even if this routine returns an error code, the handle is still
153 # Test that the lock has been released. Assume this means the handle
154 # is closed, even though blob_close() returned SQLITE_BUSY.
156 do_execsql_test 3.4 { PRAGMA lock_status } {main unlocked temp closed}
158 # EVIDENCE-OF: R-35111-05628 If an error occurs while committing the
159 # transaction, an error code is returned and the transaction rolled
162 # Row 1 is removed (it was inserted this transaction) and row -10
163 # is restored to its original state. Transaction has been rolled back.
165 do_execsql_test 3.5 {
166 SELECT * FROM x1 WHERE a IN (1, -10);
167 } {-10 ........................................}
169 # EVIDENCE-OF: R-25894-51060 Calling this routine with a null pointer
170 # (such as would be returned by a failed call to sqlite3_blob_open()) is
173 do_test 4.0 { sqlite3_blob_close 0 } {}