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Update the xfer optimization code so that the xfer optimization can be used

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with INTEGER PRIMARY KEY ON CONFLICT ... as long as the destination table
is initially empty.  Improvements to the comments on the xfer optimization.
New test cases added.

FossilOrigin-Name: e3f368cd5ef66a56fd4bd05a77276039e26b9e0e
This commit is contained in:
drh
2011-11-04 14:36:02 +00:00
parent d28286181d
commit ccdf1baebf
4 changed files with 101 additions and 51 deletions
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56
test/insert4.test
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@ -504,5 +504,61 @@ do_test insert4-8.11 {
}
} {1 2}
do_test insert4-8.21 {
execsql {
DROP TABLE IF EXISTS t1;
DROP TABLE IF EXISTS t2;
CREATE TABLE t1(a INTEGER PRIMARY KEY ON CONFLICT REPLACE, b);
CREATE TABLE t2(x INTEGER PRIMARY KEY ON CONFLICT REPLACE, y);
INSERT INTO t2 VALUES(1,3);
INSERT INTO t1 SELECT * FROM t2;
SELECT * FROM t1;
}
} {1 3}
do_test insert4-8.22 {
execsql {
DROP TABLE IF EXISTS t1;
DROP TABLE IF EXISTS t2;
CREATE TABLE t1(a INTEGER PRIMARY KEY ON CONFLICT IGNORE, b);
CREATE TABLE t2(x INTEGER PRIMARY KEY ON CONFLICT IGNORE, y);
INSERT INTO t2 VALUES(1,3);
INSERT INTO t1 SELECT * FROM t2;
SELECT * FROM t1;
}
} {1 3}
do_test insert4-8.23 {
execsql {
DROP TABLE IF EXISTS t1;
DROP TABLE IF EXISTS t2;
CREATE TABLE t1(a INTEGER PRIMARY KEY ON CONFLICT ABORT, b);
CREATE TABLE t2(x INTEGER PRIMARY KEY ON CONFLICT ABORT, y);
INSERT INTO t2 VALUES(1,3);
INSERT INTO t1 SELECT * FROM t2;
SELECT * FROM t1;
}
} {1 3}
do_test insert4-8.24 {
execsql {
DROP TABLE IF EXISTS t1;
DROP TABLE IF EXISTS t2;
CREATE TABLE t1(a INTEGER PRIMARY KEY ON CONFLICT FAIL, b);
CREATE TABLE t2(x INTEGER PRIMARY KEY ON CONFLICT FAIL, y);
INSERT INTO t2 VALUES(1,3);
INSERT INTO t1 SELECT * FROM t2;
SELECT * FROM t1;
}
} {1 3}
do_test insert4-8.25 {
execsql {
DROP TABLE IF EXISTS t1;
DROP TABLE IF EXISTS t2;
CREATE TABLE t1(a INTEGER PRIMARY KEY ON CONFLICT ROLLBACK, b);
CREATE TABLE t2(x INTEGER PRIMARY KEY ON CONFLICT ROLLBACK, y);
INSERT INTO t2 VALUES(1,3);
INSERT INTO t1 SELECT * FROM t2;
SELECT * FROM t1;
}
} {1 3}
finish_test