177 lines
5.1 KiB
Plaintext
177 lines
5.1 KiB
Plaintext
#
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# 2010 September 17
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#
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# May you do good and not evil.
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# May you find forgiveness for yourself and forgive others.
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# May you share freely, never taking more than you give.
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#
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#***********************************************************************
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# This file implements regression tests for SQLite library. The
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# focus of this file is the interactions between the FTS3/4 module
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# and shared-cache mode.
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#
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set testdir [file dirname $argv0]
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source $testdir/tester.tcl
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ifcapable !fts3||!shared_cache {
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finish_test
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return
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}
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set ::testprefix fts3shared
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db close
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set ::enable_shared_cache [sqlite3_enable_shared_cache 1]
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# Open two connections to the database in shared-cache mode.
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#
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sqlite3 db test.db
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sqlite3 db2 test.db
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# Create a virtual FTS3 table. Populate it with some initial data.
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#
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do_execsql_test fts3shared-1.1 {
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CREATE VIRTUAL TABLE t1 USING fts3(x);
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BEGIN;
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INSERT INTO t1 VALUES('We listened and looked sideways up!');
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INSERT INTO t1 VALUES('Fear at my heart, as at a cup,');
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INSERT INTO t1 VALUES('My life-blood seemed to sip!');
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INSERT INTO t1 VALUES('The stars were dim, and thick the night');
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COMMIT;
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} {}
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# Open a write transaction and insert rows into the FTS3 table. This takes
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# a write-lock on the underlying t1_content table.
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#
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do_execsql_test fts3shared-1.2 {
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BEGIN;
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INSERT INTO t1 VALUES('The steersman''s face by his lamp gleamed white;');
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} {}
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# Now try a SELECT on the full-text table. This particular SELECT does not
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# read data from the %_content table. But it still attempts to obtain a lock
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# on that table and so the SELECT fails.
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#
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do_test fts3shared-1.3 {
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catchsql {
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BEGIN;
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SELECT rowid FROM t1 WHERE t1 MATCH 'stars'
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} db2
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} {1 {database table is locked}}
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# Verify that the first connection can commit its transaction.
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#
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do_test fts3shared-1.4 { sqlite3_get_autocommit db } 0
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do_execsql_test fts3shared-1.5 { COMMIT } {}
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do_test fts3shared-1.6 { sqlite3_get_autocommit db } 1
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# Verify that the second connection still has an open transaction.
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#
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do_test fts3shared-1.6 { sqlite3_get_autocommit db2 } 0
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db close
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db2 close
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#-------------------------------------------------------------------------
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# The following tests - fts3shared-2.* - test that unless FTS is bypassed
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# and the underlying tables accessed directly, it is not possible for an
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# SQLITE_LOCKED error to be enountered when committing an FTS transaction.
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#
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# Any SQLITE_LOCKED error should be returned when the fts4 (or fts4aux)
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# table is first read/written within a transaction, not later on.
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#
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set LOCKED {1 {database table is locked}}
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forcedelete test.db
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sqlite3 dbR test.db
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sqlite3 dbW test.db
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do_test 2.1 {
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execsql {
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CREATE VIRTUAL TABLE t1 USING fts4;
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CREATE TABLE t2ext(a, b);
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CREATE VIRTUAL TABLE t2 USING fts4(content=t2ext);
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CREATE VIRTUAL TABLE t1aux USING fts4aux(t1);
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CREATE VIRTUAL TABLE t2aux USING fts4aux(t2);
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INSERT INTO t1 VALUES('a b c');
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INSERT INTO t2(rowid, a, b) VALUES(1, 'd e f', 'g h i');
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} dbW
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} {}
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# Test that once [dbW] has written to the FTS table, no client may read
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# from the FTS or fts4aux table.
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do_test 2.2.1 {
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execsql {
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BEGIN;
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INSERT INTO t1 VALUES('j k l');
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} dbW
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execsql BEGIN dbR
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} {}
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do_test 2.2.2 { catchsql "SELECT * FROM t1 WHERE rowid=1" dbR } $LOCKED
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do_test 2.2.3 { catchsql "SELECT * FROM t1 WHERE t1 MATCH 'a'" dbR } $LOCKED
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do_test 2.2.4 { catchsql "SELECT rowid FROM t1 WHERE t1 MATCH 'a'" dbR } $LOCKED
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do_test 2.2.5 { catchsql "SELECT * FROM t1" dbR } $LOCKED
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do_test 2.2.6 { catchsql "SELECT * FROM t1aux" dbR } $LOCKED
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do_test 2.2.7 { execsql COMMIT dbW } {}
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do_test 2.2.8 { execsql COMMIT dbR } {}
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# Same test as 2.2.*, except with a content= table.
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#
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do_test 2.3.1 {
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execsql {
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BEGIN;
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INSERT INTO t2(rowid, a, b) VALUES(2, 'j k l', 'm n o');
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} dbW
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execsql BEGIN dbR
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} {}
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do_test 2.3.3 { catchsql "SELECT * FROM t2 WHERE t2 MATCH 'a'" dbR } $LOCKED
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do_test 2.3.4 { catchsql "SELECT rowid FROM t2 WHERE t2 MATCH 'a'" dbR } $LOCKED
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do_test 2.3.6 { catchsql "SELECT * FROM t2aux" dbR } $LOCKED
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do_test 2.3.7 { execsql COMMIT dbW } {}
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do_test 2.3.8 { execsql COMMIT dbR } {}
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# Test that once a connection has read from the FTS or fts4aux table,
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# another connection may not write to the FTS table.
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#
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foreach {tn sql} {
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1 "SELECT * FROM t1 WHERE rowid=1"
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2 "SELECT * FROM t1 WHERE t1 MATCH 'a'"
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3 "SELECT rowid FROM t1 WHERE t1 MATCH 'a'"
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4 "SELECT * FROM t1"
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5 "SELECT * FROM t1aux"
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} {
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do_test 2.4.$tn {
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execsql BEGIN dbR
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execsql $::sql dbR
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execsql BEGIN dbW
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catchsql "INSERT INTO t1 VALUES('p q r')" dbW
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} $LOCKED
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execsql ROLLBACK dbR
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execsql ROLLBACK dbW
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}
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# Same test as 2.4.*, except with a content= table.
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#
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foreach {tn sql} {
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2 "SELECT * FROM t2 WHERE t2 MATCH 'a'"
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3 "SELECT rowid FROM t2 WHERE t2 MATCH 'a'"
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5 "SELECT * FROM t2aux"
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} {
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do_test 2.5.$tn {
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execsql BEGIN dbR
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execsql $::sql dbR
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execsql BEGIN dbW
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catchsql "INSERT INTO t2(rowid, a, b) VALUES(3, 's t u', 'v w x')" dbW
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} $LOCKED
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execsql ROLLBACK dbR
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execsql ROLLBACK dbW
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}
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dbW close
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dbR close
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sqlite3_enable_shared_cache $::enable_shared_cache
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finish_test
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