diff options
Diffstat (limited to 'src/include/parser/parse_node.h')
| -rw-r--r-- | src/include/parser/parse_node.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/src/include/parser/parse_node.h b/src/include/parser/parse_node.h index 543df568147..2375e95c107 100644 --- a/src/include/parser/parse_node.h +++ b/src/include/parser/parse_node.h @@ -108,6 +108,20 @@ typedef Node *(*CoerceParamHook) (ParseState *pstate, Param *param, * byte-wise locations in parse structures to character-wise cursor * positions.) * + * p_stmt_location: location of the top level RawStmt's start. During + * transformation, the Query's location will be set to the statement's + * location if available. Otherwise, the RawStmt's start location will + * be used. Propagating the location through ParseState is needed for + * the Query length calculation (see p_stmt_len below). + * + * p_stmt_len: length of the top level RawStmt. Most of the time, the + * statement's length is not provided by the parser, with the exception + * of SelectStmt within parentheses and PreparableStmt in COPY. If the + * statement's location is provided by the parser, the top-level location + * and length are needed to accurately compute the Query's length. If the + * statement's location is not provided, the RawStmt's length can be used + * directly. + * * 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. @@ -193,6 +207,8 @@ struct ParseState { ParseState *parentParseState; /* stack link */ const char *p_sourcetext; /* source text, or NULL if not available */ + ParseLoc p_stmt_location; /* start location, or -1 if unknown */ + ParseLoc p_stmt_len; /* length in bytes; 0 means "rest of string" */ List *p_rtable; /* range table so far */ List *p_rteperminfos; /* list of RTEPermissionInfo nodes for each * RTE_RELATION entry in rtable */ |