Fix seriously broken patch for psql '' ... per its comment, emit() is

NOT the thing to use here.

diff --git a/src/bin/psql/psqlscan.l b/src/bin/psql/psqlscan.l
index 2c19b7a..484558a 100644 (file)
--- a/src/bin/psql/psqlscan.l
+++ b/src/bin/psql/psqlscan.l
@@ -33,7 +33,7 @@
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  * IDENTIFICATION
- *       $PostgreSQL: pgsql/src/bin/psql/psqlscan.l,v 1.19 2006/05/31 11:35:17 momjian Exp $
+ *       $PostgreSQL: pgsql/src/bin/psql/psqlscan.l,v 1.20 2006/05/31 22:11:44 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -857,12 +857,14 @@ other                     .
 }
 
 <xslashquote>{
-       /* single-quoted text: copy literally except for backslash sequences */
+       /*
+        * single-quoted text: copy literally except for '' and backslash
+        * sequences
+        */
 
 {quote}                        { return LEXRES_OK; }
 
-    /* We don't need a state here because we are already in a string */
-{xqdouble}             { emit("'", 1); }
+{xqdouble}             { appendPQExpBufferChar(output_buf, '\''); }
 
 "\\n"                  { appendPQExpBufferChar(output_buf, '\n'); }
 "\\t"                  { appendPQExpBufferChar(output_buf, '\t'); }