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Overview
| Comment: | Add experimental branch disallowing VACUUM when there are one or more active SQL statements. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | experimental |
| Files: | files | file ages | folders |
| SHA1: |
c1ebcacd9b31239aee065c64c4b4596d |
| User & Date: | dan 2010-09-24 09:32:45 |
Context
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2010-09-24
| ||
| 18:04 | Add new file e_vacuum.test. Move part of e_select.test into e_select2.test. (Closed-Leaf check-in: 30801892 user: dan) | |
| 09:32 | Add experimental branch disallowing VACUUM when there are one or more active SQL statements. (check-in: c1ebcacd user: dan tags: experimental) | |
| 08:00 | Modify testable statement ids in a few test files to account for recent docsrc changes. (check-in: 7893e525 user: dan tags: trunk) | |
Changes
Changes to src/vacuum.c.
105 106 107 108 109 110 111 112 113 114 115 116 117 118 |
int isMemDb; /* True if vacuuming a :memory: database */
int nRes; /* Bytes of reserved space at the end of each page */
int nDb; /* Number of attached databases */
if( !db->autoCommit ){
sqlite3SetString(pzErrMsg, db, "cannot VACUUM from within a transaction");
return SQLITE_ERROR;
}
/* Save the current value of the database flags so that it can be
** restored before returning. Then set the writable-schema flag, and
** disable CHECK and foreign key constraints. */
saved_flags = db->flags;
saved_nChange = db->nChange;
|
> > > > |
105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 |
int isMemDb; /* True if vacuuming a :memory: database */
int nRes; /* Bytes of reserved space at the end of each page */
int nDb; /* Number of attached databases */
if( !db->autoCommit ){
sqlite3SetString(pzErrMsg, db, "cannot VACUUM from within a transaction");
return SQLITE_ERROR;
}
if( db->activeVdbeCnt>1 ){
sqlite3SetString(pzErrMsg, db,"cannot VACUUM - SQL statements in progress");
return SQLITE_ERROR;
}
/* Save the current value of the database flags so that it can be
** restored before returning. Then set the writable-schema flag, and
** disable CHECK and foreign key constraints. */
saved_flags = db->flags;
saved_nChange = db->nChange;
|
Changes to test/vacuum2.test.
177 178 179 180 181 182 183 184 185 |
db close
sqlite3 db test.db
execsql {
pragma auto_vacuum;
}
} {2}
}
finish_test
|
> > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > |
177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 |
db close
sqlite3 db test.db
execsql {
pragma auto_vacuum;
}
} {2}
}
#-------------------------------------------------------------------------
# The following block of tests verify the behaviour of the library when
# a database is VACUUMed when there are one or more unfinalized SQL
# statements reading the same database using the same db handle.
#
db close
forcedelete test.db
sqlite3 db test.db
do_execsql_test vacuum2-5.1 {
CREATE TABLE t1(a PRIMARY KEY, b UNIQUE);
INSERT INTO t1 VALUES(1, randomblob(500));
INSERT INTO t1 SELECT a+1, randomblob(500) FROM t1; -- 2
INSERT INTO t1 SELECT a+2, randomblob(500) FROM t1; -- 4
INSERT INTO t1 SELECT a+4, randomblob(500) FROM t1; -- 8
INSERT INTO t1 SELECT a+8, randomblob(500) FROM t1; -- 16
} {}
do_test vacuum2-5.2 {
list [catch {
db eval {SELECT a, b FROM t1} { if {$a == 8} { execsql VACUUM } }
} msg] $msg
} {1 {cannot VACUUM - SQL statements in progress}}
do_test vacuum2-5.3 {
list [catch {
db eval {SELECT 1, 2, 3} { execsql VACUUM }
} msg] $msg
} {1 {cannot VACUUM - SQL statements in progress}}
do_test vacuum2-5.4 {
set res ""
set res2 ""
db eval {SELECT a, b FROM t1 WHERE a<=10} {
if {$a==6} { set res [catchsql VACUUM] }
lappend res2 $a
}
lappend res2 $res
} {1 2 3 4 5 6 7 8 9 10 {1 {cannot VACUUM - SQL statements in progress}}}
finish_test
|