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Applied a patch by Zoltán Böszörményi that makes ecpg's parser accept dynamic cursornames even in WHERE CURRENT OF clauses.

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This commit is contained in:
Michael Meskes 2011-02-18 11:16:16 +01:00
parent 5c63982af2
commit bc423879cc
2 changed files with 6 additions and 1 deletions
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2
src/backend/parser/gram.y
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@ -9031,7 +9031,7 @@ where_clause:
/* variant for UPDATE and DELETE */
where_or_current_clause:
WHERE a_expr { $$ = $2; }
| WHERE CURRENT_P OF name
| WHERE CURRENT_P OF cursor_name
{
CurrentOfExpr *n = makeNode(CurrentOfExpr);
/* cvarno is filled in by parse analysis */

5
src/interfaces/ecpg/preproc/ecpg.addons
View File

@ -192,6 +192,11 @@ ECPG: stmtViewStmt rule
output_simple_statement($1);
}
ECPG: where_or_current_clauseWHERECURRENT_POFcursor_name block
{
char *cursor_marker = $4[0] == ':' ? mm_strdup("$0") : $4;
$$ = cat_str(2,mm_strdup("where current of"), cursor_marker);
}
ECPG: CopyStmtCOPYopt_binaryqualified_nameopt_column_listopt_oidscopy_fromcopy_file_namecopy_delimiteropt_withcopy_options addon
if (strcmp($6, "to") == 0 && strcmp($7, "stdin") == 0)
mmerror(PARSE_ERROR, ET_ERROR, "COPY TO STDIN is not possible");