**
*************************************************************************
** Main file for the SQLite library.  The routines in this file
** implement the programmer interface to the library.  Routines in
** other files are for internal use by SQLite and should not be
** accessed by users of the library.
**
** $Id: main.c,v 1.529 2009/02/23 14:42:53 danielk1977 Exp $
*/
#include "sqliteInt.h"

#ifdef SQLITE_ENABLE_FTS3
# include "fts3.h"
#endif
#ifdef SQLITE_ENABLE_RTREE
................................................................................
  int autoinc = 0;

  /* Ensure the database schema has been loaded */
  sqlite3_mutex_enter(db->mutex);
  (void)sqlite3SafetyOn(db);
  sqlite3BtreeEnterAll(db);
  rc = sqlite3Init(db, &zErrMsg);
  sqlite3BtreeLeaveAll(db);
  if( SQLITE_OK!=rc ){
    goto error_out;
  }

  /* Locate the table in question */
  pTab = sqlite3FindTable(db, zTableName, zDbName);
  if( !pTab || pTab->pSelect ){
................................................................................
    primarykey = 1;
  }
  if( !zCollSeq ){
    zCollSeq = "BINARY";
  }

error_out:

  (void)sqlite3SafetyOff(db);

  /* Whether the function call succeeded or failed, set the output parameters
  ** to whatever their local counterparts contain. If an error did occur,
  ** this has the effect of zeroing all output parameters.
  */
  if( pzDataType ) *pzDataType = zDataType;

**
*************************************************************************
** Main file for the SQLite library.  The routines in this file
** implement the programmer interface to the library.  Routines in
** other files are for internal use by SQLite and should not be
** accessed by users of the library.
**
** $Id: main.c,v 1.530 2009/02/26 07:15:59 danielk1977 Exp $
*/
#include "sqliteInt.h"

#ifdef SQLITE_ENABLE_FTS3
# include "fts3.h"
#endif
#ifdef SQLITE_ENABLE_RTREE
................................................................................
  int autoinc = 0;

  /* Ensure the database schema has been loaded */
  sqlite3_mutex_enter(db->mutex);
  (void)sqlite3SafetyOn(db);
  sqlite3BtreeEnterAll(db);
  rc = sqlite3Init(db, &zErrMsg);

  if( SQLITE_OK!=rc ){
    goto error_out;
  }

  /* Locate the table in question */
  pTab = sqlite3FindTable(db, zTableName, zDbName);
  if( !pTab || pTab->pSelect ){
................................................................................
    primarykey = 1;
  }
  if( !zCollSeq ){
    zCollSeq = "BINARY";
  }

error_out:
  sqlite3BtreeLeaveAll(db);
  (void)sqlite3SafetyOff(db);

  /* Whether the function call succeeded or failed, set the output parameters
  ** to whatever their local counterparts contain. If an error did occur,
  ** this has the effect of zeroing all output parameters.
  */
  if( pzDataType ) *pzDataType = zDataType;

#    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.
#
#***********************************************************************
# This file runs all tests.
#
# $Id: quick.test,v 1.92 2009/02/03 16:51:25 danielk1977 Exp $

proc lshift {lvar} {
  upvar $lvar l
  set ret [lindex $l 0]
  set l [lrange $l 1 end]
  return $ret
}
................................................................................
  speed4.test
  speed4p.test
  sqllimits1.test
  tkt2686.test
  thread001.test
  thread002.test
  thread003.test

  trans2.test
  vacuum3.test

  incrvacuum_ioerr.test
  autovacuum_crash.test
  btree8.test
  shared_err.test

#    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.
#
#***********************************************************************
# This file runs all tests.
#
# $Id: quick.test,v 1.93 2009/02/26 07:15:59 danielk1977 Exp $

proc lshift {lvar} {
  upvar $lvar l
  set ret [lindex $l 0]
  set l [lrange $l 1 end]
  return $ret
}
................................................................................
  speed4.test
  speed4p.test
  sqllimits1.test
  tkt2686.test
  thread001.test
  thread002.test
  thread003.test
  thread004.test
  trans2.test
  vacuum3.test

  incrvacuum_ioerr.test
  autovacuum_crash.test
  btree8.test
  shared_err.test

# 2009 February 26
#
# 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.
#
#***********************************************************************
#
# $Id: thread004.test,v 1.1 2009/02/26 07:15:59 danielk1977 Exp $

set testdir [file dirname $argv0]

source $testdir/tester.tcl
ifcapable !mutex||!shared_cache {
  return
}
source $testdir/thread_common.tcl
if {[info commands sqlthread] eq "" 
 || [info commands sqlite3_table_column_metadata] eq ""
} {
  return
}

# Use shared-cache mode for this test.
# 
db close
set ::enable_shared_cache [sqlite3_enable_shared_cache]
sqlite3_enable_shared_cache 1

# Create a table in database test.db
#
sqlite3 db test.db
do_test thread004-1.1 {
  execsql { CREATE TABLE t1(a, b, c) }
} {}

do_test thread004-1.2 {

  set ThreadOne {
    set iStart [clock_seconds]
    while {[clock_seconds]<$iStart+20} {
      set ::DB [sqlite3_open test.db]
      sqlite3_close $::DB
    }
  }
  set ThreadTwo {
    set ::DB [sqlite3_open test.db]
    set iStart [clock_seconds]
    set nErr 0
    while {[clock_seconds] <$iStart+20} {
      incr nErr [catch {sqlite3_table_column_metadata $::DB main t1 a}]
    }
    sqlite3_close $::DB
    set nErr
  }
  
  # Run two threads. The first thread opens and closes database test.db
  # repeatedly. Each time this happens, the in-memory schema used by
  # all connections to test.db is discarded.
  #
  # The second thread calls sqlite3_table_column_metadata() over and
  # over again. Each time it is called, the database schema is loaded
  # if it is not already in memory. At one point this was crashing.
  #
  unset -nocomplain finished
  thread_spawn finished(1) $thread_procs $ThreadOne
  thread_spawn finished(2) $thread_procs $ThreadTwo
  
  foreach t {1 2} {
    if {![info exists finished($t)]} { vwait finished($t) }
  }

  set finished(2)
} {0}
sqlite3_enable_shared_cache $::enable_shared_cache
finish_test