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sqlite3

# 2010 September 17
#
#    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.
#
#***********************************************************************
#

set testdir [file dirname $argv0]
source $testdir/tester.tcl

ifcapable !fts3||!shared_cache {
  finish_test
  return
}

db close
set ::enable_shared_cache [sqlite3_enable_shared_cache 1]

# Open two connections to the database in shared-cache mode.
#
sqlite3 db test.db
sqlite3 db2 test.db

# Create a virtual FTS3 table. Populate it with some initial data.
#
do_execsql_test fts3shared-1.1 {
  CREATE VIRTUAL TABLE t1 USING fts3(x);
  BEGIN;
  INSERT INTO t1 VALUES('We listened and looked sideways up!');
  INSERT INTO t1 VALUES('Fear at my heart, as at a cup,');
  INSERT INTO t1 VALUES('My life-blood seemed to sip!');
  INSERT INTO t1 VALUES('The stars were dim, and thick the night');
  COMMIT;
} {}

# Open a write transaction and insert rows into the FTS3 table. This takes
# a write-lock on the underlying t1_content table.
#
do_execsql_test fts3shared-1.2 {
  BEGIN;
    INSERT INTO t1 VALUES('The steersman''s face by his lamp gleamed white;');
} {}

# Now try a SELECT on the full-text table. This particular SELECT does not
# read data from the %_content table. But it still attempts to obtain a lock
# on that table and so the SELECT fails.
#
do_test fts3shared-1.3 {
  catchsql {  
    BEGIN;
      SELECT rowid FROM t1 WHERE t1 MATCH 'stars' 
  } db2
} {1 {database table is locked}}

# Verify that the first connection can commit its transaction.
#
do_test fts3shared-1.4 { sqlite3_get_autocommit db } 0
do_execsql_test fts3shared-1.5 { COMMIT } {}
do_test fts3shared-1.6 { sqlite3_get_autocommit db } 1

# Verify that the second connection still has an open transaction.
#
do_test fts3shared-1.6 { sqlite3_get_autocommit db2 } 0

db close
db2 close

sqlite3_enable_shared_cache $::enable_shared_cache
finish_test