From 9240c5f5216d289a4162bfd112774bb21566db62 Mon Sep 17 00:00:00 2001
From: Wez Furlong <wez@php.net>
Date: Tue, 12 Jul 2005 03:19:44 +0000
Subject: [PATCH] remember ? -> :pdox mapping so that binds by position can be
 mapped to names if required.

---
 ext/pdo/pdo_sql_parser.re | 20 +++++++++++++-------
 ext/pdo/pdo_stmt.c        |  9 ++++++++-
 2 files changed, 21 insertions(+), 8 deletions(-)

diff --git a/ext/pdo/pdo_sql_parser.re b/ext/pdo/pdo_sql_parser.re
index f0ab2a6cb1..d707a286d9 100644
--- a/ext/pdo/pdo_sql_parser.re
+++ b/ext/pdo/pdo_sql_parser.re
@@ -276,9 +276,15 @@ rewrite:
 		/* rewrite ? to :pdoX */
 		char idxbuf[32];
 		const char *tmpl = stmt->named_rewrite_template ? stmt->named_rewrite_template : ":pdo%d";
+		char *name;
 		
 		newbuffer_len = inquery_len;
 
+		if (stmt->bound_param_map == NULL) {
+			ALLOC_HASHTABLE(stmt->bound_param_map);
+			zend_hash_init(stmt->bound_param_map, 13, NULL, NULL, 0);
+		}
+
 		for (plc = placeholders; plc; plc = plc->next) {
 			snprintf(idxbuf, sizeof(idxbuf), tmpl, plc->bindno + 1);
 			plc->quoted = estrdup(idxbuf);
@@ -286,18 +292,18 @@ rewrite:
 			plc->freeq = 1;
 			newbuffer_len += plc->qlen;
 
+			name = estrndup(plc->pos, plc->len);
+
 			if (stmt->named_rewrite_template) {
 				/* create a mapping */
-				char *name = estrndup(plc->pos, plc->len);
 				
-				if (stmt->bound_param_map == NULL) {
-					ALLOC_HASHTABLE(stmt->bound_param_map);
-					zend_hash_init(stmt->bound_param_map, 13, NULL, NULL, 0);
-				}
-
 				zend_hash_update(stmt->bound_param_map, name, plc->len + 1, idxbuf, plc->qlen + 1, NULL);
-				efree(name);
 			}
+
+			/* map number to name */
+			zend_hash_index_update(stmt->bound_param_map, plc->bindno, idxbuf, plc->qlen + 1, NULL);
+			
+			efree(name);
 		}
 				
 		goto rewrite;
diff --git a/ext/pdo/pdo_stmt.c b/ext/pdo/pdo_stmt.c
index 131c31c8a2..1c316d25a3 100755
--- a/ext/pdo/pdo_stmt.c
+++ b/ext/pdo/pdo_stmt.c
@@ -92,7 +92,14 @@ static inline int rewrite_name_to_position(pdo_stmt_t *stmt, struct pdo_bound_pa
 			return 1;
 		}
 		if (!param->name) {
-			return 1;
+			/* do the reverse; map the parameter number to the name */
+			if (SUCCESS == zend_hash_index_find(stmt->bound_param_map, param->paramno, (void**)&name)) {
+				param->name = estrdup(name);
+				param->namelen = strlen(param->name);
+				return 1;
+			}
+			pdo_raise_impl_error(stmt->dbh, stmt, "HY093", "parameter was not defined" TSRMLS_CC);
+			return 0;
 		}
     
 		zend_hash_internal_pointer_reset(stmt->bound_param_map);
-- 
2.40.0