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Have the sqlite3_column_decltype() API report the declared types for the left-most SELECT statement in a compound SELECT.

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FossilOrigin-Name: 3e1d71fcaf57c0223ab9a7366c8607f8f66bb21c
This commit is contained in:
dan
2015-12-02 18:59:44 +00:00
parent af19f173d3
commit 9a8941fc83
4 changed files with 35 additions and 12 deletions
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23
test/capi3c.test
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@ -18,6 +18,7 @@
set testdir [file dirname $argv0]
source $testdir/tester.tcl
set testprefix capi3c
# Do not use a codec for tests in this file, as the database file is
# manipulated directly using tcl scripts (using the [hexio_write] command).
@ -1375,4 +1376,26 @@ do_test capi3c-24.3 {
decltype {SELECT (SELECT x FROM (SELECT t5.a AS x)) FROM t5}
} {INTEGER}
# Further tests of sqlite3_column_decltype():
#
do_execsql_test 25.0 {
CREATE TABLE t11(a VARCHAR(10), b INTEGER);
CREATE TABLE t12(a VARCHAR(15), b FLOAT);
}
foreach {tn sql} {
1 "SELECT * FROM t11 UNION ALL SELECT * FROM t12"
2 "SELECT * FROM t11 UNION SELECT * FROM t12"
3 "SELECT * FROM t11 EXCEPT SELECT * FROM t12"
4 "SELECT * FROM t11 INTERSECT SELECT * FROM t12"
5 "SELECT * FROM t11 UNION ALL SELECT * FROM t12 ORDER BY 1"
6 "SELECT * FROM t11 UNION SELECT * FROM t12 ORDER BY 1"
7 "SELECT * FROM t11 EXCEPT SELECT * FROM t12 ORDER BY 1"
8 "SELECT * FROM t11 INTERSECT SELECT * FROM t12 ORDER BY 1"
} {
do_test 25.$tn { decltype $sql } {VARCHAR(10) INTEGER}
}
finish_test