Add a test to verify that 3.6.17 releases read-locks obtained to read the database schema even if the connection is not currently in auto-commit mode.

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manifest

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-D 2009-08-14T18:18:04
+C Add\sa\stest\sto\sverify\sthat\s3.6.17\sreleases\sread-locks\sobtained\sto\sread\sthe\sdatabase\sschema\seven\sif\sthe\sconnection\sis\snot\scurrently\sin\sauto-commit\smode.
+D 2009-08-17T09:29:09
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 F Makefile.in 0f7761c5d1c62ae7a841e3393ffaff1fa0f5c00a
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@@ -447,6 +444,7 @@ F test/lock3.test f271375930711ae044080f4fe6d6eda930870d00
 F test/lock4.test f4f36271aa5ae1da449646bf43c7341f6b2b4c4e
 F test/lock5.test 6b1f78f09ad1522843dad571b76b321e6f439bf7
 F test/lock6.test 862aa71e97b288d6b3f92ba3313f51bd0b003776
+F test/lock7.test 64006c84c1c616657e237c7ad6532b765611cf64
 F test/lookaside.test 1dd350dc6dff015c47c07fcc5a727a72fc5bae02
 F test/main.test 347ab987f16167858781383427476b33dc69fdb7
 F test/make-where7.tcl 05c16b5d4f5d6512881dfec560cb793915932ef9
@@ -746,14 +744,7 @@ F tool/speedtest2.tcl ee2149167303ba8e95af97873c575c3e0fab58ff
 F tool/speedtest8.c 2902c46588c40b55661e471d7a86e4dd71a18224
 F tool/speedtest8inst1.c 293327bc76823f473684d589a8160bde1f52c14e
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manifest.uuid

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test/lock7.test

@@ -0,0 +1,61 @@
+# 2009 August 17
+#
+# The author disclaims copyright to this source code.  In place of
+# a legal notice, here is a blessing:
+#
+#    May you do good and not evil.
+#    May you find forgiveness for yourself and forgive others.
+#    May you share freely, never taking more than you give.
+#
+#***********************************************************************
+#
+# Check that reading the database schema from within an active transaction
+# does not establish a SHARED lock on the database file if one is not
+# already held (or, more accurately, that the SHARED lock is released after
+# reading the database schema).
+#
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+
+do_test lock7-1.1 {
+  execsql { CREATE TABLE t1(a, b) }
+  db close
+
+  sqlite3 db1 test.db
+  sqlite3 db2 test.db
+
+  db1 eval {BEGIN}
+  db2 eval {BEGIN}
+} {}
+
+do_test lock7-1.2 {
+  execsql { PRAGMA lock_status } db1
+} {main unlocked temp closed}
+do_test lock7-1.3 {
+  execsql { PRAGMA lock_status } db2
+} {main unlocked temp closed}
+
+do_test lock7-1.4 {
+  catchsql { INSERT INTO t1 VALUES(1, 1) } db1
+} {0 {}}
+do_test lock7-1.5 {
+  catchsql { INSERT INTO t1 VALUES(2, 2) } db2
+} {1 {database is locked}}
+
+do_test lock7-1.6 {
+  execsql { PRAGMA lock_status } db1
+} {main reserved temp closed}
+do_test lock7-1.7 {
+  execsql { PRAGMA lock_status } db2
+} {main unlocked temp closed}
+
+do_test lock7-1.8 {
+  execsql { COMMIT } db1
+} {}
+
+db1 close
+db2 close
+
+finish_test
+