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Document the SHOW_DATATYPES pragma and add tests for it to the test suite.

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Make sure datatypes are show even for aliased columns.
Tickets #220 and #221. (CVS 822)

FossilOrigin-Name: e84d3afe7b9153d003fdcca98221f446c004ffa2
This commit is contained in:
drh
2003-01-11 14:19:51 +00:00
parent 836faa4843
commit 5a38705ecb
7 changed files with 160 additions and 44 deletions
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45
test/pragma.test
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@ -12,7 +12,7 @@
#
# This file implements tests for the PRAGMA command.
#
# $Id: pragma.test,v 1.1 2002/03/06 22:01:37 drh Exp $
# $Id: pragma.test,v 1.2 2003/01/11 14:19:52 drh Exp $
set testdir [file dirname $argv0]
source $testdir/tester.tcl
@ -22,7 +22,7 @@ source $testdir/tester.tcl
#
db close
file delete test.db
sqlite db test.db
set DB [sqlite db test.db]
do_test pragma-1.1 {
execsql {
@ -108,7 +108,7 @@ do_test pragma-1.9 {
} {123 123 0 0}
do_test pragma-1.10 {
db close
sqlite db test.db
set ::DB [sqlite db test.db]
execsql {
PRAGMA cache_size;
PRAGMA default_cache_size;
@ -117,4 +117,43 @@ do_test pragma-1.10 {
}
} {123 123 0 0}
do_test pragma-1.11 {
execsql {
PRAGMA show_datatypes=on;
PRAGMA empty_result_callbacks=off;
}
sqlite_datatypes $::DB {SELECT * FROM sqlite_master}
} {}
do_test pragma-1.12 {
execsql {
PRAGMA empty_result_callbacks=on;
}
sqlite_datatypes $::DB {SELECT * FROM sqlite_master}
} {NUMERIC NUMERIC NUMERIC NUMERIC NUMERIC}
do_test pragma-1.13 {
execsql {
CREATE TABLE t1(
a INTEGER,
b TEXT,
c WHATEVER,
d CLOB,
e BLOB,
f VARCHAR(123),
g nVaRcHaR(432)
);
}
sqlite_datatypes $::DB {SELECT * FROM t1}
} {NUMERIC TEXT NUMERIC TEXT TEXT TEXT TEXT}
do_test pragma-1.14 {
sqlite_datatypes $::DB {
SELECT 1, 'hello', NULL
}
} {NUMERIC TEXT TEXT}
do_test pragma-1.15 {
sqlite_datatypes $::DB {
SELECT 1+2 AS X, 'hello' || 5 AS Y, NULL AS Z
}
} {NUMERIC TEXT TEXT}
finish_test