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605c60cd5f
Most oci8 tests fail out-of-the-box because a typical host won't have an Oracle database instance available. Other database drivers like mysqli and pgsql address this problem with an include file, inserted into SKIPIF, that skips the test if no connection at all can be made. This commits adds such a file (skipifconnectfailure.inc) for oci8, and adds the corresponding SKIPIF to any tests that connect to a database. Closes GH-11804 * ext/oci8/tests/lob_aliases.phpt: drop unnecessary SKIPIF.
302 lines
6.1 KiB
PHP
302 lines
6.1 KiB
PHP
--TEST--
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Bug #43497 (OCI8 XML/getClobVal aka temporary LOBs leak UGA memory)
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--EXTENSIONS--
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oci8
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--SKIPIF--
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<?php
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require_once('skipifconnectfailure.inc');
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$target_dbs = array('oracledb' => true, 'timesten' => false); // test runs on these DBs
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require(__DIR__.'/skipif.inc');
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if (getenv('SKIP_SLOW_TESTS')) die('skip slow tests excluded by request');
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?>
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--FILE--
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<?php
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require __DIR__.'/connect.inc';
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function sessionid($c) // determines and returns current session ID
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{
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$query = "select sid from v\$session where audsid = userenv('sessionid')";
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$stmt = oci_parse($c, $query);
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if (oci_execute($stmt, OCI_DEFAULT)) {
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$row = oci_fetch($stmt);
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return oci_result($stmt, 1);
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}
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return null;
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}
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function templobs($c, $sid) // returns number of temporary LOBs
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{
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$query = "select abstract_lobs from v\$temporary_lobs where sid = " . $sid;
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$stmt = oci_parse($c, $query);
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if (oci_execute($stmt, OCI_DEFAULT)) {
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$row = oci_fetch($stmt);
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$val = oci_result($stmt, 1);
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oci_free_statement($stmt);
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return $val;
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}
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return null;
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}
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// Read all XML data using explicit LOB locator
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function readxmltab_ex($c)
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{
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$stmt = oci_parse($c, "select extract(xml, '/').getclobval() from bug43497_tab");
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$cntchk = 0;
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if (oci_execute($stmt)) {
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while ($result = oci_fetch_array($stmt, OCI_NUM)) {
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$result[0]->free(); // cleanup properly
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++$cntchk;
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}
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}
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echo "Loop count check = $cntchk\n";
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}
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// Read all XML data using explicit LOB locator but without freeing the temp lobs
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function readxmltab_ex_nofree($c)
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{
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$stmt = oci_parse($c, "select extract(xml, '/').getclobval() from bug43497_tab");
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$cntchk = 0;
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if (oci_execute($stmt)) {
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while ($result = oci_fetch_array($stmt, OCI_NUM)) {
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++$cntchk;
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}
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}
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echo "Loop count check = $cntchk\n";
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}
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// Read all XML data using implicit LOB locator
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function readxmltab_im($c)
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{
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$stmt = oci_parse($c, "select extract(xml, '/').getclobval() from bug43497_tab");
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$cntchk = 0;
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if (oci_execute($stmt)) {
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while ($result = oci_fetch_array($stmt, OCI_NUM+OCI_RETURN_LOBS)) {
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++$cntchk;
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}
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}
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echo "Loop count check = $cntchk\n";
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}
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function createxmltab($c) // create table w/ field of XML type
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{
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@dropxmltab($c);
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$stmt = oci_parse($c, "create table bug43497_tab (id number primary key, xml xmltype)");
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oci_execute($stmt);
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}
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function dropxmltab($c) // delete table
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{
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$stmt = oci_parse($c, "drop table bug43497_tab");
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oci_execute($stmt);
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}
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function fillxmltab($c)
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{
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for ($id = 1; $id <= 100; $id++) {
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// create an XML element string with random data
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$s = "<data>";
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for ($j = 0; $j < 128; $j++) {
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$s .= rand();
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}
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$s .= "</data>\n";
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for ($j = 0; $j < 4; $j++) {
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$s .= $s;
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}
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$data = "<?xml version=\"1.0\"?><records>" . $s . "</records>";
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// insert XML data into database
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$stmt = oci_parse($c, "insert into bug43497_tab(id, xml) values (:id, sys.xmltype.createxml(:xml))");
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oci_bind_by_name($stmt, ":id", $id);
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$clob = oci_new_descriptor($c, OCI_D_LOB);
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oci_bind_by_name($stmt, ":xml", $clob, -1, OCI_B_CLOB);
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$clob->writeTemporary($data);
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oci_execute($stmt);
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$clob->close();
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$clob->free();
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}
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}
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// Initialize
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createxmltab($c);
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fillxmltab($c);
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// Run Test
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$sid = sessionid($c);
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echo "Explicit LOB use\n";
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for ($i = 1; $i <= 10; $i++) {
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echo "\nRun = " . $i . "\n";
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echo "Temporary LOBs = " . templobs($c, $sid) . "\n";
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readxmltab_ex($c);
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}
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echo "\nImplicit LOB use\n";
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for ($i = 1; $i <= 10; $i++) {
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echo "\nRun = " . $i . "\n";
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echo "Temporary LOBs = " . templobs($c, $sid) . "\n";
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readxmltab_im($c);
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}
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echo "\nExplicit LOB with no free\n";
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for ($i = 1; $i <= 10; $i++) {
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echo "\nRun = " . $i . "\n";
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echo "Temporary LOBs = " . templobs($c, $sid) . "\n";
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readxmltab_ex_nofree($c);
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}
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// Cleanup
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dropxmltab($c);
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oci_close($c);
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echo "Done\n";
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?>
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--EXPECT--
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Explicit LOB use
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Run = 1
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Temporary LOBs = 0
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Loop count check = 100
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Run = 2
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Temporary LOBs = 0
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Loop count check = 100
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Run = 3
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Temporary LOBs = 0
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Loop count check = 100
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Run = 4
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Temporary LOBs = 0
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Loop count check = 100
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Run = 5
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Temporary LOBs = 0
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Loop count check = 100
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Run = 6
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Temporary LOBs = 0
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Loop count check = 100
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Run = 7
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Temporary LOBs = 0
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Loop count check = 100
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Run = 8
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Temporary LOBs = 0
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Loop count check = 100
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Run = 9
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Temporary LOBs = 0
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Loop count check = 100
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Run = 10
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Temporary LOBs = 0
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Loop count check = 100
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Implicit LOB use
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Run = 1
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Temporary LOBs = 0
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Loop count check = 100
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Run = 2
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Temporary LOBs = 0
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Loop count check = 100
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Run = 3
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Temporary LOBs = 0
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Loop count check = 100
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Run = 4
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Temporary LOBs = 0
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Loop count check = 100
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Run = 5
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Temporary LOBs = 0
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Loop count check = 100
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Run = 6
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Temporary LOBs = 0
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Loop count check = 100
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Run = 7
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Temporary LOBs = 0
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Loop count check = 100
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Run = 8
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Temporary LOBs = 0
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Loop count check = 100
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Run = 9
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Temporary LOBs = 0
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Loop count check = 100
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Run = 10
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Temporary LOBs = 0
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Loop count check = 100
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Explicit LOB with no free
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Run = 1
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Temporary LOBs = 0
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Loop count check = 100
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Run = 2
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Temporary LOBs = 0
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Loop count check = 100
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Run = 3
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Temporary LOBs = 0
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Loop count check = 100
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Run = 4
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Temporary LOBs = 0
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Loop count check = 100
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Run = 5
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Temporary LOBs = 0
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Loop count check = 100
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Run = 6
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Temporary LOBs = 0
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Loop count check = 100
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Run = 7
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Temporary LOBs = 0
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Loop count check = 100
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Run = 8
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Temporary LOBs = 0
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Loop count check = 100
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Run = 9
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Temporary LOBs = 0
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Loop count check = 100
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Run = 10
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Temporary LOBs = 0
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Loop count check = 100
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Done
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