SQLite

**
*************************************************************************
** This file contains SQLite's grammar for SQL.  Process this file
** using the lemon parser generator to generate C code that runs
** the parser.  Lemon will also generate a header file containing
** numeric codes for all of the tokens.
**
** @(#) $Id: parse.y,v 1.166 2005/02/14 06:38:40 danielk1977 Exp $
*/
%token_prefix TK_
%token_type {Token}
%default_type {Token}
%extra_argument {Parse *pParse}
%syntax_error {
  if( pParse->zErrMsg==0 ){

exprlist(A) ::= expritem(X).            {A = sqlite3ExprListAppend(0,X,0);}
expritem(A) ::= expr(X).                {A = X;}
expritem(A) ::= .                       {A = 0;}

///////////////////////////// The CREATE INDEX command ///////////////////////
//
cmd ::= CREATE(S) uniqueflag(U) INDEX nm(X) dbnm(D)
        ON nm(Y) LP idxlist(Z) RP(E) onconf(R). {
  if( U!=OE_None ) U = R;
  if( U==OE_Default) U = OE_Abort;
  sqlite3CreateIndex(pParse, &X, &D, sqlite3SrcListAppend(0,&Y,0),Z,U, &S, &E);
}

%type uniqueflag {int}
uniqueflag(A) ::= UNIQUE.  {A = OE_Abort;}
uniqueflag(A) ::= .        {A = OE_None;}

%type idxlist {ExprList*}

# 2004 November 10
#
# 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 ALTER TABLE statement.
#
# $Id: alter.test,v 1.10 2005/02/14 06:38:40 danielk1977 Exp $
#

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

# If SQLITE_OMIT_ALTERTABLE is defined, omit this file.
ifcapable !altertable {

  }
} {}
do_test alter-1.8.2 {
  execsql {
    CREATE TABLE t4(a PRIMARY KEY, b, c);
    CREATE TABLE aux.t4(a PRIMARY KEY, b, c);
    CREATE INDEX i4 ON t4(b);
    CREATE INDEX aux.i4 ON t4(b);
  }
} {}
do_test alter-1.8.3 {
  execsql {
    INSERT INTO t4 VALUES('main', 'main', 'main');
    INSERT INTO aux.t4 VALUES('aux', 'aux', 'aux');
    SELECT * FROM t4 WHERE a = 'main';

# 2005 January 19
#
# 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 correlated subqueries
#
# $Id: subquery.test,v 1.8 2005/02/14 06:38:40 danielk1977 Exp $
#

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

ifcapable !subquery {
  finish_test

      a.period,
      (select sum(val) from t5 where period between a.period and '2002-4') vsum
      FROM t5 a where a.period between '2002-1' and '2002-4')
    WHERE vsum < 45 ;
  }
} {2002-2 30.0 2002-3 25.0 2002-4 15.0}
do_test subquery-1.10.5 {
  execsql {
    SELECT "a.period", vsum from
      (select a.period,
      (select sum(val) from t5 where period between a.period and '2002-4') vsum
    FROM t5 a where a.period between '2002-1' and '2002-4') 
    WHERE vsum < 45 ;
  }
} {2002-2 30.0 2002-3 25.0 2002-4 15.0}
do_test subquery-1.10.6 {
  execsql {
    DROP TABLE t5;
  }
} {}

#
# Run this Tcl script to generate the lang-*.html files.
#
set rcsid {$Id: lang.tcl,v 1.83 2005/02/14 06:38:41 danielk1977 Exp $}
source common.tcl

if {[llength $argv]>0} {
  set outputdir [lindex $argv 0]
} else {
  set outputdir ""
}

by a line that contains only a baskslash and a dot:}
puts "\"[Operator \\.]\".</p>"


Section {CREATE INDEX} createindex

Syntax {sql-statement} {
CREATE [UNIQUE] INDEX [<database-name> .] <index-name> 
ON <table-name> ( <column-name> [, <column-name>]* )
[ ON CONFLICT <conflict-algorithm> ]
} {column-name} {
<name> [ COLLATE <collation-name>] [ ASC | DESC ]
}

puts {
<p>The CREATE INDEX command consists of the keywords "CREATE INDEX" followed