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| 1 | +<?php |
| 2 | + |
| 3 | +function relevanssi_purge_excerpt_cache($post) { |
| 4 | + global $wpdb, $relevanssi_variables; |
| 5 | + |
| 6 | + $wpdb->query("DELETE FROM " . $relevanssi_variables['relevanssi_excerpt_cache'] . " WHERE post = $post"); |
| 7 | +} |
| 8 | + |
| 9 | +function relevanssi_fetch_excerpt($post, $query) { |
| 10 | + global $wpdb, $relevanssi_variables; |
| 11 | + |
| 12 | + $query = mysql_real_escape_string($query); |
| 13 | + $excerpt = $wpdb->get_var("SELECT excerpt FROM " . $relevanssi_variables['relevanssi_excerpt_cache'] . " WHERE post = $post AND query = '$query'"); |
| 14 | + |
| 15 | + if (!$excerpt) return null; |
| 16 | + |
| 17 | + return $excerpt; |
| 18 | +} |
| 19 | + |
| 20 | +function relevanssi_store_excerpt($post, $query, $excerpt) { |
| 21 | + global $wpdb, $relevanssi_variables; |
| 22 | + |
| 23 | + $query = mysql_real_escape_string($query); |
| 24 | + $excerpt = mysql_real_escape_string($excerpt); |
| 25 | + |
| 26 | + $wpdb->query("INSERT INTO " . $relevanssi_variables['relevanssi_excerpt_cache'] . " (post, query, excerpt) |
| 27 | + VALUES ($post, '$query', '$excerpt') |
| 28 | + ON DUPLICATE KEY UPDATE excerpt = '$excerpt'"); |
| 29 | +} |
| 30 | + |
| 31 | +function relevanssi_fetch_hits($param) { |
| 32 | + global $wpdb, $relevanssi_variables; |
| 33 | + |
| 34 | + $time = get_option('relevanssi_cache_seconds', 172800); |
| 35 | + |
| 36 | + $hits = $wpdb->get_var("SELECT hits FROM " . $relevanssi_variables['relevanssi_cache'] . " WHERE param = '$param' AND UNIX_TIMESTAMP() - UNIX_TIMESTAMP(tstamp) < $time"); |
| 37 | + |
| 38 | + if ($hits) { |
| 39 | + return unserialize($hits); |
| 40 | + } |
| 41 | + else { |
| 42 | + return null; |
| 43 | + } |
| 44 | +} |
| 45 | + |
| 46 | +function relevanssi_store_hits($param, $data) { |
| 47 | + global $wpdb, $relevanssi_variables; |
| 48 | + |
| 49 | + $param = mysql_real_escape_string($param); |
| 50 | + $data = mysql_real_escape_string($data); |
| 51 | + $wpdb->query("INSERT INTO " . $relevanssi_variables['relevanssi_cache'] . " (param, hits) |
| 52 | + VALUES ('$param', '$data') |
| 53 | + ON DUPLICATE KEY UPDATE hits = '$data'"); |
| 54 | +} |
| 55 | + |
| 56 | +function relevanssi_truncate_cache($all = false) { |
| 57 | + global $wpdb, $relevanssi_variables; |
| 58 | + $relevanssi_excerpt_cache = $relevanssi_variables['relevanssi_excerpt_cache']; |
| 59 | + $relevanssi_cache = $relevanssi_variables['relevanssi_cache']; |
| 60 | + |
| 61 | + if ($all) { |
| 62 | + $query = "TRUNCATE TABLE $relevanssi_excerpt_cache"; |
| 63 | + $wpdb->query($query); |
| 64 | + |
| 65 | + $query = "TRUNCATE TABLE $relevanssi_cache"; |
| 66 | + } |
| 67 | + else { |
| 68 | + $time = get_option('relevanssi_cache_seconds', 172800); |
| 69 | + $query = "DELETE FROM $relevanssi_cache |
| 70 | + WHERE UNIX_TIMESTAMP() - UNIX_TIMESTAMP(tstamp) > $time"; |
| 71 | + // purge all expired cache data |
| 72 | + } |
| 73 | + $wpdb->query($query); |
| 74 | +} |
| 75 | + |
| 76 | + |
| 77 | +?> |
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