diff options
Diffstat (limited to 'src/include/parser/parse_node.h')
| -rw-r--r-- | src/include/parser/parse_node.h | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/src/include/parser/parse_node.h b/src/include/parser/parse_node.h index 5262c804aba..2c23cf78946 100644 --- a/src/include/parser/parse_node.h +++ b/src/include/parser/parse_node.h @@ -7,7 +7,7 @@ * Portions Copyright (c) 1996-2006, PostgreSQL Global Development Group * Portions Copyright (c) 1994, Regents of the University of California * - * $PostgreSQL: pgsql/src/include/parser/parse_node.h,v 1.47 2006/03/05 15:58:57 momjian Exp $ + * $PostgreSQL: pgsql/src/include/parser/parse_node.h,v 1.48 2006/03/14 22:48:22 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -20,6 +20,15 @@ /* * State information used during parse analysis * + * parentParseState: NULL in a top-level ParseState. When parsing a subquery, + * links to current parse state of outer query. + * + * p_sourcetext: source string that generated the raw parsetree being + * analyzed, or NULL if not available. (The string is used only to + * generate cursor positions in error messages: we need it to convert + * byte-wise locations in parse structures to character-wise cursor + * positions.) + * * p_rtable: list of RTEs that will become the rangetable of the query. * Note that neither relname nor refname of these entries are necessarily * unique; searching the rtable by name is a bad idea. @@ -53,6 +62,7 @@ typedef struct ParseState { struct ParseState *parentParseState; /* stack link */ + const char *p_sourcetext; /* source text, or NULL if not available */ List *p_rtable; /* range table so far */ List *p_joinlist; /* join items so far (will become FromExpr * node's fromlist) */ @@ -73,6 +83,8 @@ typedef struct ParseState } ParseState; extern ParseState *make_parsestate(ParseState *parentParseState); +extern int parser_errposition(ParseState *pstate, int location); + extern Var *make_var(ParseState *pstate, RangeTblEntry *rte, int attrno); extern Oid transformArrayType(Oid arrayType); extern ArrayRef *transformArraySubscripts(ParseState *pstate, |