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reading the indices correct (multiple columns, fulltext and length-limited) indexes

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This commit is contained in:
Ralf Becker 2003-10-22 02:40:16 +00:00
parent 7cc899861d
commit 27f8837364
1 changed files with 46 additions and 2 deletions
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46
phpgwapi/inc/class.schema_proc_mysql.inc.php
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@ -283,6 +283,7 @@
$type = "'type' => 'auto'";
}
$this->sCol[] = "\t\t\t\t'" . $oProc->m_odb->f(0)."' => array(" . $type . ',' . $null . $nullcomma . $default . '),' . "\n";
/*
if ($oProc->m_odb->f(3) == 'PRI')
{
$this->pk[] = $oProc->m_odb->f(0);
@ -291,18 +292,61 @@
{
$this->uc[] = $oProc->m_odb->f(0);
}
/* Hmmm, MUL could also mean unique, or not... */
// index over multiple columns
if ($oProc->m_odb->f(3) == 'MUL')
{
$this->ix[] = $oProc->m_odb->f(0);
}
*/
}
$this->_GetIndices($oProc,$sTableName,$this->pk,$this->ix,$this->uc,$this->fk);
/* ugly as heck, but is here to chop the trailing comma on the last element (for php3) */
$this->sCol[count($this->sCol) - 1] = substr($this->sCol[count($this->sCol) - 1],0,-2) . "\n";
return false;
}
function _GetIndices($oProc,$sTableName,&$aPk,&$aIx,&$aUc,&$aFk)
{
$aPk = $aIx = $aUc = $aFk = array();
$seq = $ix = $uc = 0;
$oProc->m_odb->query("show index from $sTableName");
while ($oProc->m_odb->next_record())
{
if ($seq >= $oProc->m_odb->f('Seq_in_index')) // new index started
{
$$type += 1;
}
if ($oProc->m_odb->f('Key_name') == 'PRIMARY') // pk
{
$aPk[] = $oProc->m_odb->f('Column_name');
$type = 'pk';
}
elseif ($oProc->m_odb->f('Non_unique')) // ix
{
$aIx[$ix][] = $oProc->m_odb->f('Column_name');
$type = 'ix';
if ($oProc->m_odb->f('Comment') == 'FULLTEXT')
{
$aIx[$ix]['options'] = array('mysql' => 'FULLTEXT');
}
elseif (intval($oProc->m_odb->f('Sub_part')))
{
$aIx[$ix]['options'] = array('mysql' => intval($oProc->m_odb->f('Sub_part')));
}
}
else // uc
{
$aUc[$uc][] = $oProc->m_odb->f('Column_name');
$type = 'uc';
}
$seq = $oProc->m_odb->f('Seq_in_index');
}
//echo "Indices from $sTableName<pre>pk=".print_r($aPk,True)."\nix=".print_r($aIx,True)."\nuc=".print_r($aUc,True)."</pre>\n";
}
function DropTable($oProc, &$aTables, $sTableName)
{
return !!($oProc->m_odb->query("DROP TABLE " . $sTableName));