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 #***********************************************************************
11 # This file implements regression tests for SQLite library.
14 set testdir [file dirname $argv0]
15 source $testdir/tester.tcl
16 set testprefix pragma4
18 proc do_pragma_ncol_test {tn sql nCol} {
20 set ::stmt [sqlite3_prepare_v2 db $sql -1 dummy]
21 uplevel [list do_test $tn { sqlite3_column_count $::stmt } $nCol]
22 sqlite3_finalize $::stmt
25 # If there is no RHS argument, the following PRAGMA statements operate as
26 # queries, returning a single row containing a single column.
28 # Or, if there is RHS argument, they return zero rows of zero columns.
31 1 "PRAGMA application_id = 10"
32 2 "PRAGMA automatic_index = 1"
33 3 "PRAGMA auto_vacuum = 1"
34 4 "PRAGMA cache_size = -100"
35 5 "PRAGMA cache_spill = 1"
36 6 "PRAGMA cell_size_check = 1"
37 7 "PRAGMA checkpoint_fullfsync = 1"
38 8 "PRAGMA count_changes = 1"
39 9 "PRAGMA default_cache_size = 100"
40 10 "PRAGMA defer_foreign_keys = 1"
41 11 "PRAGMA empty_result_callbacks = 1"
42 12 "PRAGMA encoding = 'utf-8'"
43 13 "PRAGMA foreign_keys = 1"
44 14 "PRAGMA full_column_names = 1"
45 15 "PRAGMA fullfsync = 1"
46 16 "PRAGMA ignore_check_constraints = 1"
47 17 "PRAGMA legacy_file_format = 1"
48 18 "PRAGMA page_size = 511"
49 19 "PRAGMA page_size = 512"
50 20 "PRAGMA query_only = false"
51 21 "PRAGMA read_uncommitted = true"
52 22 "PRAGMA recursive_triggers = false"
53 23 "PRAGMA reverse_unordered_selects = false"
54 24 "PRAGMA schema_version = 211"
55 25 "PRAGMA short_column_names = 1"
56 26 "PRAGMA synchronous = full"
57 29 "PRAGMA temp_store = memory"
58 30 "PRAGMA user_version = 405"
59 31 "PRAGMA writable_schema = 1"
64 do_pragma_ncol_test 1.$tn.1 [lindex [split $sql =] 0] 1
67 do_pragma_ncol_test 1.$tn.2 $sql 0
70 # These pragmas should never return any values.
73 1 "PRAGMA shrink_memory"
74 2 "PRAGMA shrink_memory = 10"
75 3 "PRAGMA case_sensitive_like = 0"
76 4 "PRAGMA case_sensitive_like = 1"
77 5 "PRAGMA case_sensitive_like"
80 do_pragma_ncol_test 1.$tn.1 $sql 0