From df67de125e57cdb1e183d5b6a47d12aa4175d33f Mon Sep 17 00:00:00 2001
From: Dan Stillman <dstillman@zotero.org>
Date: Tue, 12 Aug 2014 03:13:00 -0400
Subject: [PATCH] Remove (non-async-compatible) REGEXP UDF in
 Zotero.DB.getNextName()

And remove UDF setup code

Duplicates view also used REGEXP, so we'll need to figure out another approach
for the async rewrite of that (#519). There are no other current UDF consumers,
so this closes #528.
---
 chrome/content/zotero/xpcom/db.js | 44 +++++--------------------------
 1 file changed, 6 insertions(+), 38 deletions(-)

diff --git a/chrome/content/zotero/xpcom/db.js b/chrome/content/zotero/xpcom/db.js
index 852723a37d..3909e7dc0e 100644
--- a/chrome/content/zotero/xpcom/db.js
+++ b/chrome/content/zotero/xpcom/db.js
@@ -385,8 +385,6 @@ Zotero.DBConnection.prototype.getColumns = function (table) {
 * For example, if "Untitled" and "Untitled 2" and "Untitled 4",
 * returns "Untitled 3"
 *
-* DEBUG: doesn't work once there's an "Untitled 10"
-*
 * If _name_ alone is available, returns that
 **/
 Zotero.DBConnection.prototype.getNextName = Zotero.Promise.coroutine(function* (libraryID, table, field, name)
@@ -396,15 +394,17 @@ Zotero.DBConnection.prototype.getNextName = Zotero.Promise.coroutine(function* (
 		[libraryID, table, field, name] = [null, libraryID, table, field];
 	}
 	
-	var sql = "SELECT TRIM(SUBSTR(" + field + ", " + (name.length + 1) + ")) "
+	var sql = "SELECT SUBSTR(" + field + ", " + (name.length + 1) + ") "
 				+ "FROM " + table + " "
-				+ "WHERE " + field + " REGEXP '^" + name + "( [0-9]+)?$' "
-				+ "AND libraryID=?"
+				+ "WHERE libraryID=? AND "
+				+ field + " LIKE '" + name + "%' "
 				+ " ORDER BY " + field;
 	var params = [libraryID];
 	var suffixes = yield this.columnQueryAsync(sql, params);
+	suffixes.filter(function (x) x.match(/^( [0-9]+)?$/));
+	
 	// If none found or first one has a suffix, use default name
-	if (!suffixes || suffixes[0]) {
+	if (!suffixes.length || suffixes[0]) {
 		return name;
 	}
 	
@@ -1297,38 +1297,6 @@ Zotero.DBConnection.prototype._getConnectionAsync = Zotero.Promise.coroutine(fun
 	idleService.addIdleObserver(this, 60);
 	idleService = null;
 	
-	/*// User-defined functions
-	// TODO: move somewhere else?
-	
-	// Levenshtein distance UDF
-	var lev = {
-		onFunctionCall: function (arg) {
-			var a = arg.getUTF8String(0);
-			var b = arg.getUTF8String(1);
-			return Zotero.Utilities.levenshtein(a, b);
-		}
-	};
-	this._connection.createFunction('levenshtein', 2, lev);
-	
-	// Regexp UDF
-	var rx = {
-		onFunctionCall: function (arg) {
-			var re = new RegExp(arg.getUTF8String(0));
-			var str = arg.getUTF8String(1);
-			return re.test(str);
-		}
-	};
-	this._connection.createFunction('regexp', 2, rx);
-	
-	// text2html UDF
-	var rx = {
-		onFunctionCall: function (arg) {
-			var str = arg.getUTF8String(0);
-			return Zotero.Utilities.text2html(str, true);
-		}
-	};
-	this._connection.createFunction('text2html', 1, rx);*/
-	
 	return this._connectionAsync;
 });