SQLite

  fulltext_vtab *v,      /* The full text index */
  int iColumn,           /* Match against this column by default */
  const char *zInput,    /* The query string */
  int nInput,            /* Number of bytes in zInput[] */
  DocList **pResult,     /* Write the result doclist here */
  Query *pQuery          /* Put parsed query string here */
){
  int i, iNext, rc;
  DocList *pLeft = NULL;
  DocList *pRight, *pNew, *pOr;
  int nNot = 0;
  QueryTerm *aTerm;

  rc = parseQuery(v, zInput, nInput, iColumn, pQuery);
  if( rc!=SQLITE_OK ) return rc;

  /* Merge AND terms. */
  aTerm = pQuery->pTerms;
  for(i = 0; i<pQuery->nTerms; i=iNext){

    if( aTerm[i].isNot ){
      /* Handle all NOT terms in a separate pass */
      nNot++;
      iNext = i + aTerm[i].nPhrase+1;
      continue;
    }
    iNext = i + aTerm[i].nPhrase + 1;
    rc = docListOfTerm(v, aTerm[i].iColumn, &aTerm[i], &pRight);
    if( rc ){
      queryClear(pQuery);
      return rc;
    }
    while( iNext<pQuery->nTerms && aTerm[iNext].isOr ){
      rc = docListOfTerm(v, aTerm[iNext].iColumn, &aTerm[iNext], &pOr);
      iNext += aTerm[iNext].nPhrase + 1;
      if( rc ){
        queryClear(pQuery);
        return rc;
      }
      pNew = docListNew(DL_DOCIDS);
      docListOrMerge(pRight, pOr, pNew);
      docListDelete(pRight);
      docListDelete(pOr);
      pRight = pNew;
    }
    if( pLeft==0 ){
      pLeft = pRight;
    }else{
      pNew = docListNew(DL_DOCIDS);



      docListAndMerge(pLeft, pRight, pNew);

      docListDelete(pRight);
      docListDelete(pLeft);
      pLeft = pNew;
    }
  }

  if( nNot && pLeft==0 ){

# 2006 September 9
#
# 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.
#
#*************************************************************************
# This file implements regression tests for SQLite library.  The
# focus of this script is testing the FTS1 module.
#
# $Id: fts1a.test,v 1.4 2006/09/28 19:43:32 drh Exp $
#

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

# If SQLITE_ENABLE_FTS1 is defined, omit this file.
ifcapable !fts1 {

} {1 2 3 5 6 7 9 10 11 13 14 15 17 18 19 21 22 23 25 26 27 29 30 31}
do_test fts1a-4.2 {
  execsql {SELECT rowid FROM t1 WHERE content MATCH '"one two" OR three'}
} {3 4 5 6 7 11 12 13 14 15 19 20 21 22 23 27 28 29 30 31}
do_test fts1a-4.3 {
  execsql {SELECT rowid FROM t1 WHERE content MATCH 'three OR "one two"'}
} {3 4 5 6 7 11 12 13 14 15 19 20 21 22 23 27 28 29 30 31}
do_test fts1a-4.4 {
  execsql {SELECT rowid FROM t1 WHERE content MATCH 'one two OR three'}
} {3 5 7 11 13 15 19 21 23 27 29 31}
do_test fts1a-4.5 {
  execsql {SELECT rowid FROM t1 WHERE content MATCH 'three OR two one'}
} {3 5 7 11 13 15 19 21 23 27 29 31}
do_test fts1a-4.6 {
  execsql {SELECT rowid FROM t1 WHERE content MATCH 'one two OR three OR four'}
} {3 5 7 9 11 13 15 19 21 23 25 27 29 31}
do_test fts1a-4.7 {
  execsql {SELECT rowid FROM t1 WHERE content MATCH 'two OR three OR four one'}
} {3 5 7 9 11 13 15 19 21 23 25 27 29 31}

# Test the ability to handle NULL content
#
do_test fts1a-5.1 {
  execsql {INSERT INTO t1(content) VALUES(NULL)}
} {}
do_test fts1a-5.2 {

# 2006 September 14
#
# 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.
#
#*************************************************************************
# This file implements regression tests for SQLite library.  The
# focus of this script is testing the FTS1 module.
#
# $Id: fts1c.test,v 1.10 2006/09/28 19:43:32 drh Exp $
#

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

# If SQLITE_ENABLE_FTS1 is defined, omit this file.
ifcapable !fts1 {

} {{pete.<b>davis</b>@enron.com Start Date: 4/22/01; HourAhead hour: 3;  No <b>ancillary</b> schedules awarded.  
Variances detected.
Variances detected in <b>Load</b> schedule.

    LOG MESSAGES:

PARSING <b>...</b>}}

# Combinations of AND and OR operators:
#
do_test fts1c-5.1 {
  execsql {
    SELECT snippet(email) FROM email
     WHERE email MATCH 'questar enron OR com'
  }
} {{matt.smith@<b>enron</b>.<b>com</b> <b>...</b> six reports:  

31 Keystone Receipts
15 <b>Questar</b> Pipeline
40 Rockies Production
22 West_2 <b>...</b>}}
do_test fts1c-5.2 {
  execsql {
    SELECT snippet(email) FROM email
     WHERE email MATCH 'enron OR com questar'
  }
} {{matt.smith@<b>enron</b>.<b>com</b> <b>...</b> six reports:  

31 Keystone Receipts
15 <b>Questar</b> Pipeline
40 Rockies Production
22 West_2 <b>...</b>}}

finish_test