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Share schemas between databases attached to the same database handle.

FossilOrigin-Name: ea611d7cba604dc901c8088ccfa13367a5ee75f9499ea8d8b62a590daac2eae0
This commit is contained in:
dan
2019-02-12 19:20:33 +00:00
parent 81fb4ef019
commit 33d1394e1a
11 changed files with 216 additions and 41 deletions

View File

@@ -112,5 +112,140 @@ do_execsql_test 3.11.2 {
SELECT 'nref=' || nRef, 'nschema=' || nSchema FROM schemapool ORDER BY 1;
} {nref=3 nschema=1}
#--------------------------------------------------------------------------
catch {db1 close}
catch {db2 close}
catch {db3 close}
reset_db
do_execsql_test 4.0.1 {
CREATE TABLE x1(a, b, c);
CREATE INDEX x1a ON x1(a);
CREATE INDEX x1b ON x1(b);
}
do_test 4.0.2 {
db close
for {set i 1} {$i < 6} {incr i} {
forcedelete test.db${i}-journal test.db${i}-wal test.db${i}-wal2
forcecopy test.db test.db${i}
}
sqlite3 db test.db
sqlite3 db2 test.db -reuse-schema 1
} {}
register_schemapool_module db
do_execsql_test 4.0.3 {
SELECT 'nref=' || nRef, 'nschema=' || nSchema FROM schemapool ORDER BY 1;
} {}
do_test 4.1.1 {
execsql {
ATTACH 'test.db1' AS db1;
ATTACH 'test.db2' AS db2;
ATTACH 'test.db3' AS db3;
ATTACH 'test.db4' AS db4;
ATTACH 'test.db5' AS db5;
} db2
} {}
do_execsql_test 4.1.2 {
SELECT 'nref=' || nRef, 'nschema=' || nSchema FROM schemapool ORDER BY 1;
} {}
do_execsql_test -db db2 4.1.3 {
SELECT * FROM db3.x1
}
do_execsql_test 4.1.4 {
SELECT 'nref=' || nRef, 'nschema=' || nSchema FROM schemapool ORDER BY 1;
} {nref=1 nschema=1}
do_execsql_test -db db2 4.1.5 {
SELECT * FROM db2.x1
}
do_execsql_test 4.1.6 {
SELECT 'nref=' || nRef, 'nschema=' || nSchema FROM schemapool ORDER BY 1;
} {nref=2 nschema=1}
do_execsql_test -db db2 4.1.7 {
SELECT * FROM x1
}
do_execsql_test 4.1.8 {
SELECT 'nref=' || nRef, 'nschema=' || nSchema FROM schemapool ORDER BY 1;
} {nref=3 nschema=1}
do_test 4.2.1 {
catchsql { SELECT * FROM abc } db2
} {1 {no such table: abc}}
do_execsql_test 4.2.2 {
SELECT 'nref=' || nRef, 'nschema=' || nSchema FROM schemapool ORDER BY 1;
} {nref=6 nschema=1}
register_schemapool_module db2
do_execsql_test -db db2 4.3.1 {
INSERT INTO x1 VALUES(1, 2, 3);
INSERT INTO db1.x1 VALUES(4, 5, 6);
INSERT INTO db2.x1 VALUES(7, 8, 9);
INSERT INTO db3.x1 VALUES(10, 11, 12);
INSERT INTO db4.x1 VALUES(13, 14, 15);
INSERT INTO db5.x1 VALUES(16, 17, 18);
SELECT 'nref=' || nRef, 'nschema=' || nSchema FROM schemapool ORDER BY 1;
} {nref=6 nschema=1}
do_execsql_test -db db2 4.3.2 {
SELECT * FROM db5.x1;
SELECT * FROM db4.x1;
SELECT * FROM db3.x1;
SELECT * FROM db2.x1;
SELECT * FROM db1.x1;
SELECT * FROM x1;
SELECT 'nref=' || nRef, 'nschema=' || nSchema FROM schemapool ORDER BY 1;
} {
16 17 18 13 14 15 10 11 12 7 8 9 4 5 6 1 2 3
nref=6 nschema=1
}
do_execsql_test -db db2 4.3.3 {
UPDATE x1 SET a=a+10;
UPDATE db5.x1 SET a=a+10;
SELECT 'nref=' || nRef, 'nschema=' || nSchema FROM schemapool ORDER BY 1;
} {
nref=6 nschema=1
}
do_execsql_test -db db2 4.3.4 {
SELECT * FROM db5.x1;
SELECT * FROM db4.x1;
SELECT * FROM db3.x1;
SELECT * FROM db2.x1;
SELECT * FROM db1.x1;
SELECT * FROM x1;
SELECT 'nref=' || nRef, 'nschema=' || nSchema FROM schemapool ORDER BY 1;
} {
26 17 18 13 14 15 10 11 12 7 8 9 4 5 6 11 2 3
nref=6 nschema=1
}
do_execsql_test -db db2 4.3.5 {
DELETE FROM db3.x1;
DELETE FROM x1;
SELECT 'nref=' || nRef, 'nschema=' || nSchema FROM schemapool ORDER BY 1;
} {
nref=6 nschema=1
}
do_execsql_test -db db2 4.3.6 {
SELECT * FROM db5.x1;
SELECT * FROM db4.x1;
SELECT * FROM db3.x1;
SELECT * FROM db2.x1;
SELECT * FROM db1.x1;
SELECT * FROM x1;
SELECT 'nref=' || nRef, 'nschema=' || nSchema FROM schemapool ORDER BY 1;
} {
26 17 18 13 14 15 7 8 9 4 5 6
nref=6 nschema=1
}
do_execsql_test -db db2 4.3.6 {
SELECT * FROM db5.x1, db4.x1, db1.x1;
SELECT 'nref=' || nRef, 'nschema=' || nSchema FROM schemapool ORDER BY 1;
} {26 17 18 13 14 15 4 5 6 nref=6 nschema=3}
finish_test