Make index query slightly more efficient, trim index fieldnames

This commit is contained in:
Miles Lott 2004-02-08 21:53:00 +00:00
parent 649b7a9fd8
commit f4e41b1e63

View File

@ -368,14 +368,20 @@
{
$aIx = array();
/* This select excludes any indexes that are just base indexes for constraints. */
$sql = "SELECT c2.relname, i.indisprimary, i.indisunique, i.indisclustered, pg_catalog.pg_get_indexdef(i.indexrelid) as pg_get_indexdef FROM pg_catalog.pg_class c, pg_catalog.pg_class c2, pg_catalog.pg_index i WHERE c.relname = '$sTableName' AND pg_catalog.pg_table_is_visible(c.oid) AND c.oid = i.indrelid AND i.indexrelid = c2.oid AND NOT EXISTS ( SELECT 1 FROM pg_catalog.pg_depend d JOIN pg_catalog.pg_constraint c ON (d.refclassid = c.tableoid AND d.refobjid = c.oid) WHERE d.classid = c2.tableoid AND d.objid = c2.oid AND d.deptype = 'i' AND c.contype IN ('u', 'p') ) ORDER BY c2.relname";
$sql = "SELECT pg_catalog.pg_get_indexdef(i.indexrelid) as pg_get_indexdef FROM pg_catalog.pg_class c, pg_catalog.pg_class c2, pg_catalog.pg_index i WHERE c.relname = '$sTableName' AND pg_catalog.pg_table_is_visible(c.oid) AND c.oid = i.indrelid AND i.indexrelid = c2.oid AND NOT EXISTS ( SELECT 1 FROM pg_catalog.pg_depend d JOIN pg_catalog.pg_constraint c ON (d.refclassid = c.tableoid AND d.refobjid = c.oid) WHERE d.classid = c2.tableoid AND d.objid = c2.oid AND d.deptype = 'i' AND c.contype IN ('u', 'p') ) ORDER BY c2.relname";
$oProc->m_odb->query($sql);
while($oProc->m_odb->next_record())
{
$indexfields = ereg_replace("^CREATE.+\(",'',$oProc->m_odb->f(4));
$indexfields = ereg_replace("^CREATE.+\(",'',$oProc->m_odb->f(0));
$indexfields = ereg_replace("\)$",'',$indexfields);
$aIx = explode(',',$indexfields);
$i = 0;
foreach($aIx as $ix)
{
$aIx[$i] = trim($ix);
$i++;
}
}
//echo "Indices from $sTableName<pre>pk=".print_r($aPk,True)."\nix=".print_r($aIx,True)."\nuc=".print_r($aUc,True)."</pre>\n";
}