[tracker/tracker-0.8] libtracker-data: Fixed bug for SPARQL regex

[Martyn James Russell <mr src gnome org>]

commit e06fec0f15f4878ae983d5a0f200d8225081be8c
Author: Philip Van Hoof <philip codeminded be>
Date:   Tue Apr 6 10:50:45 2010 +0200

    libtracker-data: Fixed bug for SPARQL regex
    
    SQLite's sqlite3_set_auxdata doesn't work for bound string values for the
    regex string. This fix changes the regex from a bound literal to being part
    of the SQL query string itself.

 src/libtracker-data/tracker-sparql-expression.vala |    9 +++++++--
 1 files changed, 7 insertions(+), 2 deletions(-)
---
diff --git a/src/libtracker-data/tracker-sparql-expression.vala b/src/libtracker-data/tracker-sparql-expression.vala
index 37a2fea..0b28af9 100644
--- a/src/libtracker-data/tracker-sparql-expression.vala
+++ b/src/libtracker-data/tracker-sparql-expression.vala
@@ -240,10 +240,15 @@ class Tracker.Sparql.Expression : Object {
 		translate_expression_as_string (sql);
 		sql.append (", ");
 		expect (SparqlTokenType.COMMA);
-		translate_expression (sql);
+		// SQLite's sqlite3_set_auxdata doesn't work correctly with bound
+		// strings for the regex in function_sparql_regex.
+		// translate_expression (sql);
+		sql.append (escape_sql_string_literal (parse_string_literal ()));
 		sql.append (", ");
 		if (accept (SparqlTokenType.COMMA)) {
-			translate_expression (sql);
+			// Same as above
+			// translate_expression (sql);
+			sql.append (escape_sql_string_literal (parse_string_literal ()));
 		} else {
 			sql.append ("''");
 		}