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Better compatibility for POstgreSQL (old regexps were case sensitive)

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moodler
2003-08-15 08:16:20 +00:00
parent a74f950c4e
commit 2b4c64e98f
1 changed files with 7 additions and 3 deletions
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mod/forum/lib.php
+7 -3
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@@ -498,10 +498,14 @@ function forum_search_posts($search, $courseid, $page=0, $recordsperpage=50) {
/// Some differences in syntax for PostgreSQL
if ($CFG->dbtype == "postgres7") {
$LIKE = "ILIKE"; // case-insensitive
$REGEXP = "~";
$NOTLIKE = "NOT ILIKE"; // case-insensitive
$REGEXP = "~*";
$NOTREGEXP = "!~*";
} else {
$LIKE = "LIKE";
$NOTLIKE = "NOT LIKE";
$REGEXP = "REGEXP";
$NOTREGEXP = "NOT REGEXP";
}
$messagesearch = "";
@@ -523,8 +527,8 @@ function forum_search_posts($search, $courseid, $page=0, $recordsperpage=50) {
$subjectsearch .= " p.subject $REGEXP '(^|[^a-zA-Z0-9])$searchterm([^a-zA-Z0-9]|$)' ";
} else if (substr($searchterm,0,1) == "-") {
$searchterm = substr($searchterm,1);
$messagesearch .= " p.message NOT $REGEXP '(^|[^a-zA-Z0-9])$searchterm([^a-zA-Z0-9]|$)' ";
$subjectsearch .= " p.subject NOT $REGEXP '(^|[^a-zA-Z0-9])$searchterm([^a-zA-Z0-9]|$)' ";
$messagesearch .= " p.message $NOTREGEXP '(^|[^a-zA-Z0-9])$searchterm([^a-zA-Z0-9]|$)' ";
$subjectsearch .= " p.subject $NOTREGEXP '(^|[^a-zA-Z0-9])$searchterm([^a-zA-Z0-9]|$)' ";
} else {
$messagesearch .= " p.message $LIKE '%$searchterm%' ";
$subjectsearch .= " p.subject $LIKE '%$searchterm%' ";