diff options
Diffstat (limited to 'test/vacuum-into.test')
| -rw-r--r-- | test/vacuum-into.test | 35 |
1 files changed, 34 insertions, 1 deletions
diff --git a/test/vacuum-into.test b/test/vacuum-into.test index 698d65f..d559b7f 100644 --- a/test/vacuum-into.test +++ b/test/vacuum-into.test @@ -26,13 +26,36 @@ ifcapable {!vacuum} { forcedelete out.db do_execsql_test vacuum-into-100 { - CREATE TABLE t1(a INTEGER PRIMARY KEY, b); + CREATE TABLE t1( + a INTEGER PRIMARY KEY, + b ANY, + c INT AS (b+1), --- See "2024-04-09" block + CHECK( typeof(b)!='integer' OR b>a-5 ) --- comment below + ); WITH RECURSIVE c(x) AS (VALUES(1) UNION ALL SELECT x+1 FROM c WHERE x<100) INSERT INTO t1(a,b) SELECT x, randomblob(600) FROM c; CREATE INDEX t1b ON t1(b); DELETE FROM t1 WHERE a%2; SELECT count(*), sum(a), sum(length(b)) FROM t1; } {50 2550 30000} + +# Update 2024-04-09 for forum post eec177d68fe7fa2c. +# +# VACUUM INTO is sensitive to tables holding both generated columns +# and CHECK constraints. +# +# CHECK constraints are ignored for read-only databases in order to save +# memory (see check-in 34ddf02d3d21151b on 2014-05-21). But the xfer +# optimization normally only works if CHECK constraints match between the +# source and destination tables. So the xfer optimization was not +# working for VACUUM INTO when the source was a read-only database and the +# table held CHECK constraints. But if the table has generated columns, +# then the xfer optimization is required or else VACUUM will raise an +# error. +# +# Fix this by ignoring CHECK constraints when determining whether or not +# the xfer optimization can run while doing VACUUM. + do_execsql_test vacuum-into-110 { VACUUM main INTO 'out.db'; } {} @@ -88,11 +111,21 @@ do_catchsql_test vacuum-into-420 { # The ability to VACUUM INTO a read-only database db close +if {$tcl_platform(platform)=="windows"} { + file attributes test.db -readonly 1 +} else { + file attributes test.db -permissions 292 ;# 292 == 0444 +} sqlite3 db test.db -readonly 1 forcedelete test.db2 do_execsql_test vacuum-into-500 { VACUUM INTO 'test.db2'; } +if {$tcl_platform(platform)=="windows"} { + file attributes test.db -readonly 0 +} else { + file attributes test.db -permissions 420 ;# 420 = 0644 +} sqlite3 db2 test.db2 do_test vacuum-into-510 { db2 eval {SELECT name FROM sqlite_master ORDER BY 1} |