ERROR: index row size

<div class="Section1"><p class="MsoNormal"><font face="Arial" size="2"><span style="font-size:10.0pt;
font-family:Arial">  Hello,</span></font><p class="MsoNormal"><font face="Arial" size="2"><span
style="font-size:10.0pt;
font-family:Arial"> </span></font><p class="MsoNormal"><font face="Arial" size="2"><span style="font-size:10.0pt;
font-family:Arial">  Ok, I give up! Tried a lot of things in my code! But still get error on index row size. So, I’m
partof my code, if someone could help me! A valid value for this type is: ‘(03-jan-2007 , 15-may-2010)’</span></font><p
class="MsoNormal"><fontface="Arial" size="2"><span style="font-size:10.0pt; 
font-family:Arial"> </span></font><p class="MsoNormal" style="margin-left:.5in"><font face="Courier New" size="2"><span
style="font-size:10.0pt;font-family:"CourierNew"">typedef struct t_periodo</span></font><p class="MsoNormal"
style="margin-left:.5in"><fontface="Courier New" size="2"><span style="font-size:10.0pt;font-family:"Courier
New"">{</span></font><pclass="MsoNormal" style="margin-left:.5in"><font face="Courier New" size="2"><span
style="font-size:10.0pt;font-family:"CourierNew"">      DateADT           tvi;</span></font><p class="MsoNormal"
style="margin-left:.5in"><fontface="Courier New" size="2"><span style="font-size:10.0pt;font-family:"Courier
New"">     DateADT           tvf;</span></font><p class="MsoNormal" style="margin-left:.5in"><font face="Courier New"
size="2"><spanstyle="font-size:10.0pt;font-family:"Courier New"">}     Periodo;</span></font><p class="MsoNormal"
style="margin-left:.5in"><fontface="Courier New" size="2"><span style="font-size:10.0pt;font-family:"Courier
New""> </span></font><pclass="MsoNormal" style="margin-left:.5in"><font face="Courier New" size="2"><span
style="font-size:10.0pt;font-family:"CourierNew"">Datum</span></font><p class="MsoNormal"
style="margin-left:.5in"><fontface="Courier New" size="2"><span style="font-size:10.0pt;font-family:"Courier
New"">periodo_in(PG_FUNCTION_ARGS)</span></font><pclass="MsoNormal" style="margin-left:.5in"><font face="Courier New"
size="2"><spanstyle="font-size:10.0pt;font-family:"Courier New"">{</span></font><p class="MsoNormal"
style="margin-left:.5in"><fontface="Courier New" size="2"><span style="font-size:10.0pt;font-family:"Courier New"">   
char   *str = PG_GETARG_CSTRING(0);</span></font><p class="MsoNormal" style="margin-left:.5in"><font face="Courier New"
size="2"><spanstyle="font-size:10.0pt;font-family:"Courier New"">    char    tvi_char[MAXDATEFIELDS];</span></font><p
class="MsoNormal"style="margin-left:.5in"><font face="Courier New" size="2"><span
style="font-size:10.0pt;font-family:"CourierNew"">    char    tvf_char[MAXDATEFIELDS];</span></font><p
class="MsoNormal"style="margin-left:.5in"><font face="Courier New" size="2"><span
style="font-size:10.0pt;font-family:"CourierNew"">    </span></font><p class="MsoNormal" style="margin-left:.5in"><font
face="CourierNew" size="2"><span style="font-size:10.0pt;font-family:"Courier New"">    tvi_char = (char *)
palloc(strlen(MAXDATEFIELDS));</span></font><pclass="MsoNormal" style="margin-left:.5in"><font face="Courier New"
size="2"><spanstyle="font-size:10.0pt;font-family:"Courier New"">    tvf_char = (char *)
palloc(strlen(MAXDATEFIELDS));</span></font><pclass="MsoNormal" style="margin-left:.5in"><font face="Courier New"
size="2"><spanstyle="font-size:10.0pt;font-family:"Courier New"">    </span></font><p class="MsoNormal"
style="margin-left:.5in"><fontface="Courier New" size="2"><span style="font-size:10.0pt;font-family:"Courier New"">   
Periodo    *result;</span></font><p class="MsoNormal" style="margin-left:.5in"><font face="Courier New" size="2"><span
style="font-size:10.0pt;font-family:"CourierNew"">    </span></font><p class="MsoNormal" style="margin-left:.5in"><font
face="CourierNew" size="2"><span style="font-size:10.0pt;font-family:"Courier New"">    if (sscanf(str, " ( %s , %s )",
tvi_char,tvf_char) != 2)</span></font><p class="MsoNormal" style="margin-left:.5in"><font face="Courier New"
size="2"><spanstyle="font-size:10.0pt;font-family:"Courier New"">        ereport(ERROR,</span></font><p
class="MsoNormal"style="margin-left:.5in"><font face="Courier New" size="2"><span
style="font-size:10.0pt;font-family:"CourierNew"">           
(errcode(ERRCODE_INVALID_TEXT_REPRESENTATION),</span></font><pclass="MsoNormal" style="margin-left:.5in"><font
face="CourierNew" size="2"><span style="font-size:10.0pt;font-family:"Courier New"">            errmsg("invalid input
syntaxfor periodo: \"%s\"", str)));</span></font><p class="MsoNormal" style="margin-left:.5in"><font face="Courier New"
size="2"><spanstyle="font-size:10.0pt;font-family:"Courier New"">            </span></font><p class="MsoNormal"
style="margin-left:.5in"><fontface="Courier New" size="2"><span style="font-size:10.0pt;font-family:"Courier New"">   
result->tvi= StringToDateADT(tvi_char);            </span></font><p class="MsoNormal" style="margin-left:.5in"><font
face="CourierNew" size="2"><span style="font-size:10.0pt;font-family:"Courier New"">    result->tvi =
StringToDateADT(tvf_char);</span></font><pclass="MsoNormal" style="margin-left:.5in"><font face="Courier New"
size="2"><spanstyle="font-size:10.0pt;font-family:"Courier New"">    </span></font><p class="MsoNormal"
style="margin-left:.5in"><fontface="Courier New" size="2"><span style="font-size:10.0pt;font-family:"Courier New"">   
result= (Periodo *) palloc(sizeof(Periodo));</span></font><p class="MsoNormal" style="margin-left:.5in"><font
face="CourierNew" size="2"><span style="font-size:10.0pt;font-family:"Courier New"">      </span></font><p
class="MsoNormal"style="margin-left:.5in"><font face="Courier New" size="2"><span
style="font-size:10.0pt;font-family:"CourierNew"">    if (result->tvi > result->tvf)</span></font><p
class="MsoNormal"style="margin-left:.5in"><font face="Courier New" size="2"><span
style="font-size:10.0pt;font-family:"CourierNew"">        ereport(ERROR,</span></font><p class="MsoNormal"
style="margin-left:.5in"><fontface="Courier New" size="2"><span style="font-size:10.0pt;font-family:"Courier
New"">               (errcode(ERRCODE_INVALID_TEXT_REPRESENTATION),</span></font><p class="MsoNormal"
style="margin-left:.5in"><fontface="Courier New" size="2"><span style="font-size:10.0pt;font-family:"Courier
New"">               errmsg("Initial date (TVi) must be smaller than final date (TVf)")));      </span></font><p
class="MsoNormal"style="margin-left:.5in"><font face="Courier New" size="2"><span
style="font-size:10.0pt;font-family:"CourierNew"">    </span></font><p class="MsoNormal" style="margin-left:.5in"><font
face="CourierNew" size="2"><span style="font-size:10.0pt;font-family:"Courier New"">   
PG_RETURN_POINTER(result);</span></font><pclass="MsoNormal" style="margin-left:.5in"><font face="Courier New"
size="2"><spanstyle="font-size:10.0pt;font-family:"Courier New"">}</span></font><p class="MsoNormal"
style="margin-left:.5in"><fontface="Courier New" size="2"><span style="font-size:10.0pt;font-family:"Courier
New""> </span></font><pclass="MsoNormal"><font face="Courier New" size="2"><span style="font-size:10.0pt; 
font-family:"Courier New""> </span></font><p class="MsoNormal"><font face="Courier New" size="2"><span
style="font-size:10.0pt;
font-family:"Courier New"">  Please help me!</span></font><p class="MsoNormal"><font face="Courier New" size="2"><span
style="font-size:10.0pt;
font-family:"Courier New"">  Thanks in advance!</span></font><p class="MsoNormal" style="margin-left:.5in"><font
face="CourierNew" size="2"><span style="font-size:10.0pt;font-family:"Courier New""> </span></font><p class="MsoNormal"
style="margin-left:.5in"><fontface="Courier New" size="2"><span style="font-size:10.0pt;font-family:"Courier
New""> </span></font></div>