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commit    f8bc6b2f689dc721c753949854bfe605f33149ca
Author:   Michael Meskes <meskes@postgresql.org>
Date:     Mon Aug 14 09:29:34 2017 +0000

    Changed ecpg parser to allow RETURNING clauses without attached C variables.


 src/interfaces/ecpg/preproc/ecpg.trailer | 7 +++++--
 src/interfaces/ecpg/preproc/ecpg.type    | 1 +
 src/interfaces/ecpg/preproc/parse.pl     | 2 +-
 3 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/src/interfaces/ecpg/preproc/ecpg.trailer b/src/interfaces/ecpg/preproc/ecpg.trailer
index 81945fce71c..da065d1290c 100644
--- a/src/interfaces/ecpg/preproc/ecpg.trailer
+++ b/src/interfaces/ecpg/preproc/ecpg.trailer
@@ -1873,9 +1873,8 @@ Iresult:        Iconst			{ $$ = $1; }
                 ;
 
 execute_rest: /* EMPTY */	{ $$ = EMPTY; }
-	| ecpg_using ecpg_into  { $$ = EMPTY; }
+	| ecpg_using opt_ecpg_into  { $$ = EMPTY; }
 	| ecpg_into ecpg_using  { $$ = EMPTY; }
-	| ecpg_using			{ $$ = EMPTY; }
 	| ecpg_into				{ $$ = EMPTY; }
 	;
 
@@ -1883,6 +1882,10 @@ ecpg_into: INTO into_list	{ $$ = EMPTY; }
 	| into_descriptor		{ $$ = $1; }
 	;
 
+opt_ecpg_into:	/* EMPTY */	{ $$ = EMPTY; }
+	| ecpg_into		{ $$ = $1; }
+	;
+
 ecpg_fetch_into: ecpg_into	{ $$ = $1; }
 	| using_descriptor
 	{
diff --git a/src/interfaces/ecpg/preproc/ecpg.type b/src/interfaces/ecpg/preproc/ecpg.type
index ac6aa000ac2..9497b91b9db 100644
--- a/src/interfaces/ecpg/preproc/ecpg.type
+++ b/src/interfaces/ecpg/preproc/ecpg.type
@@ -78,6 +78,7 @@
 %type <str> opt_bit_field
 %type <str> opt_connection_name
 %type <str> opt_database_name
+%type <str> opt_ecpg_into
 %type <str> opt_ecpg_fetch_into
 %type <str> opt_ecpg_using
 %type <str> opt_initializer
diff --git a/src/interfaces/ecpg/preproc/parse.pl b/src/interfaces/ecpg/preproc/parse.pl
index 1f45419fdcf..91815d2e114 100644
--- a/src/interfaces/ecpg/preproc/parse.pl
+++ b/src/interfaces/ecpg/preproc/parse.pl
@@ -94,7 +94,7 @@ my %replace_line = (
 	'VariableShowStmtSHOWSESSIONAUTHORIZATION' =>
 	  'SHOW SESSION AUTHORIZATION ecpg_into',
 	'returning_clauseRETURNINGtarget_list' =>
-	  'RETURNING target_list ecpg_into',
+	  'RETURNING target_list opt_ecpg_into',
 	'ExecuteStmtEXECUTEnameexecute_param_clause' =>
 	  'EXECUTE prepared_name execute_param_clause execute_rest',
 'ExecuteStmtCREATEOptTempTABLEcreate_as_targetASEXECUTEnameexecute_param_clause'


[parent: 9f0f4efc2f1e]