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Fix datatype reporting and collating sequence selection so that it works

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correctly on views and with the UNION, EXCEPT, and INTERCEPT operators. (CVS 839)

FossilOrigin-Name: 71cc292dce59cf8224b205d1cdbff59ad12f1043
This commit is contained in:
drh
2003-01-18 20:11:05 +00:00
parent be4f31c226
commit fcb78a4900
13 changed files with 299 additions and 96 deletions
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33
test/pragma.test
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@ -12,7 +12,7 @@
#
# This file implements tests for the PRAGMA command.
#
# $Id: pragma.test,v 1.2 2003/01/11 14:19:52 drh Exp $
# $Id: pragma.test,v 1.3 2003/01/18 20:11:07 drh Exp $
set testdir [file dirname $argv0]
source $testdir/tester.tcl
@ -129,7 +129,7 @@ do_test pragma-1.12 {
PRAGMA empty_result_callbacks=on;
}
sqlite_datatypes $::DB {SELECT * FROM sqlite_master}
} {NUMERIC NUMERIC NUMERIC NUMERIC NUMERIC}
} {text text text integer text}
do_test pragma-1.13 {
execsql {
CREATE TABLE t1(
@ -143,7 +143,7 @@ do_test pragma-1.13 {
);
}
sqlite_datatypes $::DB {SELECT * FROM t1}
} {NUMERIC TEXT NUMERIC TEXT TEXT TEXT TEXT}
} {INTEGER TEXT WHATEVER CLOB BLOB VARCHAR(123) nVaRcHaR(432)}
do_test pragma-1.14 {
sqlite_datatypes $::DB {
SELECT 1, 'hello', NULL
@ -154,6 +154,33 @@ do_test pragma-1.15 {
SELECT 1+2 AS X, 'hello' || 5 AS Y, NULL AS Z
}
} {NUMERIC TEXT TEXT}
do_test pragma-1.16 {
execsql {
CREATE VIEW v1 AS SELECT a+b, b||c, * FROM t1;
}
sqlite_datatypes $::DB {SELECT * FROM v1}
} {NUMERIC TEXT INTEGER TEXT WHATEVER CLOB BLOB VARCHAR(123) nVaRcHaR(432)}
do_test pragma-1.17 {
sqlite_datatypes $::DB {
SELECT d,e FROM t1 UNION SELECT a,c FROM t1
}
} {INTEGER WHATEVER}
do_test pragma-1.18 {
sqlite_datatypes $::DB {
SELECT d,e FROM t1 EXCEPT SELECT c,e FROM t1
}
} {WHATEVER BLOB}
do_test pragma-1.19 {
sqlite_datatypes $::DB {
SELECT d,e FROM t1 INTERSECT SELECT c,e FROM t1
}
} {WHATEVER BLOB}
do_test pragma-1.20 {
sqlite_datatypes $::DB {
SELECT d,e FROM t1 INTERSECT SELECT c,e FROM v1
}
} {WHATEVER BLOB}
finish_test