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_blobbytes
18 CREATE TABLE q1(r INTEGER PRIMARY KEY, s TEXT);
22 SELECT a+1, b||'.' FROM d WHERE a<10000
24 INSERT INTO q1 SELECT * FROM d;
28 # EVIDENCE-OF: R-07796-55423 Returns the size in bytes of the BLOB
29 # accessible via the successfully opened BLOB handle in its only
32 proc check_blob_size {tn rowid bytes} {
33 uplevel [list do_test $tn [subst -nocommands {
34 sqlite3_blob_open db main q1 s $rowid 0 B
35 set res [sqlite3_blob_bytes [set B]]
36 sqlite3_blob_close [set B]
40 check_blob_size 1.1 43 43
41 check_blob_size 1.2 391 391
42 check_blob_size 1.3 6349 6349
43 check_blob_size 1.4 2621 2621
44 check_blob_size 1.5 7771 7771
45 check_blob_size 1.6 7949 7949
46 check_blob_size 1.7 4374 4374
47 check_blob_size 1.8 2578 2578
48 check_blob_size 1.9 7004 7004
49 check_blob_size 1.10 2180 2180
50 check_blob_size 1.11 3796 3796
51 check_blob_size 1.12 7101 7101
52 check_blob_size 1.13 7449 7449
53 check_blob_size 1.14 7224 7224
54 check_blob_size 1.15 3038 3038
55 check_blob_size 1.16 1083 1083
56 check_blob_size 1.17 5157 5157
57 check_blob_size 1.18 6686 6686
58 check_blob_size 1.19 6592 6592
59 check_blob_size 1.20 0 0
62 # EVIDENCE-OF: R-53088-19343 The incremental blob I/O routines can only
63 # read or overwriting existing blob content; they cannot change the size
66 # Also demonstrated in other e_blobXXX.test files.
69 sqlite3_blob_open db main q1 s 86 1 B
70 list [catch { sqlite3_blob_write $B 86 "1" 1 } msg] $msg