sql_select.cc check for cond==NULL in add_ft_keys()

match(t1.texte,t1.sujet,t1.motsclefs) against('droit')

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0.67003110026735

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#

# Test for bug from Jean-Cdric COSTA <jean-cedric.costa@ensmp.fr>

#

CREATE TABLE t1 (

       id           VARCHAR(255) NOT NULL PRIMARY KEY,

       sujet        VARCHAR(255),

       motsclefs    TEXT,

       texte        MEDIUMTEXT,

       FULLTEXT(sujet, motsclefs, texte)

);

INSERT INTO t1 VALUES('123','toto','essai','test');

INSERT INTO t1 VALUES('456','droit','penal','lawyer');

INSERT INTO t1 VALUES('789','aaaaa','bbbbb','cccccc');

CREATE TABLE t2 (

       id         VARCHAR(255) NOT NULL,

       author     VARCHAR(255) NOT NULL

);

INSERT INTO t2 VALUES('123', 'moi');

INSERT INTO t2 VALUES('123', 'lui');

INSERT INTO t2 VALUES('456', 'lui');

select match(t1.texte,t1.sujet,t1.motsclefs) against('droit')

       from t1 left join t2 on t2.id=t1.id;

{

  Item_func_match *cond_func=NULL;

  if (!cond)

    return;

  if (cond->type() == Item::FUNC_ITEM)

  {

    Item_func *func=(Item_func *)cond,