diff options
Diffstat (limited to 'src/include/parser/parse_node.h')
| -rw-r--r-- | src/include/parser/parse_node.h | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/src/include/parser/parse_node.h b/src/include/parser/parse_node.h index 12dcaccbefd..1f52963e5c0 100644 --- a/src/include/parser/parse_node.h +++ b/src/include/parser/parse_node.h @@ -1,12 +1,13 @@ /*------------------------------------------------------------------------- * * parse_node.h + * Internal definitions for parser * * * Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group * Portions Copyright (c) 1994, Regents of the University of California * - * $Id: parse_node.h,v 1.34 2003/04/08 23:20:04 tgl Exp $ + * $Id: parse_node.h,v 1.35 2003/04/29 22:13:11 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -32,6 +33,15 @@ * joinlist. Note that an RTE that is present in p_namespace, but does not * have its inFromCl flag set, is accessible only with an explicit qualifier; * lookups of unqualified column names should ignore it. + * + * p_paramtypes: an array of p_numparams type OIDs for $n parameter symbols + * (zeroth entry in array corresponds to $1). If p_variableparams is true, the + * set of param types is not predetermined; in that case, a zero array entry + * means that parameter number hasn't been seen, and UNKNOWNOID means the + * parameter has been used but its type is not yet known. NOTE: in a stack + * of ParseStates, only the topmost ParseState contains paramtype info; but + * we copy the p_variableparams flag down to the child nodes for speed in + * coerce_type. */ typedef struct ParseState { @@ -40,9 +50,12 @@ typedef struct ParseState List *p_joinlist; /* join items so far (will become FromExpr * node's fromlist) */ List *p_namespace; /* current lookup namespace (join items) */ - int p_last_resno; /* last targetlist resno assigned */ + Oid *p_paramtypes; /* OIDs of types for $n parameter symbols */ + int p_numparams; /* allocated size of p_paramtypes[] */ + int p_next_resno; /* next targetlist resno to assign */ List *p_forUpdate; /* FOR UPDATE clause, if any (see gram.y) */ Node *p_value_substitute; /* what to replace VALUE with, if any */ + bool p_variableparams; bool p_hasAggs; bool p_hasSubLinks; bool p_is_insert; |