Just cache the is_blog_installed value. If the options table goes away while the value is still cached, oh well. Very edge-case.
git-svn-id: https://develop.svn.wordpress.org/trunk@6249 602fd350-edb4-49c9-b593-d223f7449a82
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@ -911,16 +911,18 @@ function do_robots() {
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function is_blog_installed() {
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global $wpdb, $wp_is_blog_installed;
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// Set flag so we don't do the query more than once.
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if ( isset($wp_is_blog_installed) )
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return $wp_is_blog_installed;
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// Check cache first. If options table goes away and we have true cached, oh well.
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if ( wp_cache_get('is_blog_installed') )
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return true;
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$wpdb->hide_errors();
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$installed = $wpdb->get_var( "SELECT option_value FROM $wpdb->options WHERE option_name = 'siteurl'" );
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$wpdb->show_errors();
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$wp_is_blog_installed = !empty( $installed ) ? true : false;
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return $wp_is_blog_installed;
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$installed = !empty( $installed ) ? true : false;
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wp_cache_set('is_blog_installed', $installed);
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return $installed;
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}
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