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ttrss
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only update database entries when really needed

This commit is contained in:
Andrew Dolgov 2005-08-29 08:49:17 +01:00
parent a116f56918
commit ad3024fc77
1 changed files with 36 additions and 20 deletions
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56
functions.php
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@ -205,6 +205,8 @@
// print "<p>Update from different feed ($orig_feed_id, $feed): $entry_guid [$entry_title]";
continue;
}
$entry_is_modified = false;
$orig_timestamp = pg_fetch_result($result, 0, "updated_timestamp");
$orig_content_hash = pg_fetch_result($result, 0, "content_hash");
@ -218,34 +220,48 @@
// $last_read_qpart = 'last_read = null,';
// }
if (UPDATE_POST_ON_CHECKSUM_CHANGE &&
$orig_content_hash != $content_hash) {
$last_read_qpart = 'last_read = null,';
if ($orig_content_hash != $content_hash) {
if (UPDATE_POST_ON_CHECKSUM_CHANGE) {
$last_read_qpart = 'last_read = null,';
}
$entry_is_modified = true;
}
if ($orig_title != $entry_title) {
$entry_is_modified = true;
}
if ($orig_timestamp != $entry_timestamp && !$orig_no_orig_date) {
$entry_is_modified = true;
}
// if (!$no_orig_date && $orig_timestamp < $entry_timestamp) {
// $last_read_qpart = 'last_read = null,';
// }
$entry_comments = pg_escape_string($entry_comments);
$entry_content = pg_escape_string($entry_content);
$entry_title = pg_escape_string($entry_title);
$entry_link = pg_escape_string($entry_link);
$query = "UPDATE ttrss_entries
SET
$last_read_qpart
title = '$entry_title',
link = '$entry_link',
updated = '$entry_timestamp_fmt',
content = '$entry_content',
comments = '$entry_comments',
content_hash = '$content_hash'
WHERE
id = '$orig_entry_id'";
if ($entry_is_modified) {
$result = pg_query($link, $query);
$entry_comments = pg_escape_string($entry_comments);
$entry_content = pg_escape_string($entry_content);
$entry_title = pg_escape_string($entry_title);
$entry_link = pg_escape_string($entry_link);
// print "update object $entry_guid<br>";
$query = "UPDATE ttrss_entries
SET
$last_read_qpart
title = '$entry_title',
link = '$entry_link',
updated = '$entry_timestamp_fmt',
content = '$entry_content',
comments = '$entry_comments',
content_hash = '$content_hash'
WHERE
id = '$orig_entry_id'";
$result = pg_query($link, $query);
}
}
}