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