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Allow the xfer optimization to proceed if the DEFAULT on the very first

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column of the two tables is different.  This is a refinement of the
fix for ticket [f67b41381a].

FossilOrigin-Name: 349f483499dd685a8da94923b6bd810a52e5e236
This commit is contained in:
drh
2014-04-26 17:52:08 +00:00
parent 9940e2aa45
commit 453e0261df
4 changed files with 19 additions and 14 deletions
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test/tkt-f67b41381a.test
+6 -3
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@@ -30,8 +30,13 @@ foreach {tn tbls xfer} {
2 { CREATE TABLE t1(a, b DEFAULT 'x'); CREATE TABLE t2(a, b) } 0
3 { CREATE TABLE t1(a, b DEFAULT 'x'); CREATE TABLE t2(a, b DEFAULT 'x') } 1
4 { CREATE TABLE t1(a, b DEFAULT NULL); CREATE TABLE t2(a, b) } 0
5 { CREATE TABLE t1(a DEFAULT 2, b); CREATE TABLE t2(a DEFAULT 1, b) } 0
5 { CREATE TABLE t1(a DEFAULT 2, b); CREATE TABLE t2(a DEFAULT 1, b) } 1
6 { CREATE TABLE t1(a DEFAULT 1, b); CREATE TABLE t2(a DEFAULT 1, b) } 1
7 { CREATE TABLE t1(a DEFAULT 1, b DEFAULT 1);
CREATE TABLE t2(a DEFAULT 3, b DEFAULT 1) } 1
8 { CREATE TABLE t1(a DEFAULT 1, b DEFAULT 1);
CREATE TABLE t2(a DEFAULT 3, b DEFAULT 3) } 0
} {
execsql { DROP TABLE t1; DROP TABLE t2 }
@@ -46,5 +51,3 @@ foreach {tn tbls xfer} {
}
finish_test