diff options
Diffstat (limited to 'src/backend/nodes/readfuncs.c')
| -rw-r--r-- | src/backend/nodes/readfuncs.c | 45 |
1 files changed, 44 insertions, 1 deletions
diff --git a/src/backend/nodes/readfuncs.c b/src/backend/nodes/readfuncs.c index 574d5c69e2c..e2c458e2933 100644 --- a/src/backend/nodes/readfuncs.c +++ b/src/backend/nodes/readfuncs.c @@ -7,7 +7,7 @@ * * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/nodes/readfuncs.c,v 1.18 1998/01/15 18:59:31 momjian Exp $ + * $Header: /cvsroot/pgsql/src/backend/nodes/readfuncs.c,v 1.19 1998/01/17 04:53:11 momjian Exp $ * * NOTES * Most of the read functions for plan nodes are tested. (In fact, they @@ -156,6 +156,10 @@ _readQuery() token = lsptok(NULL, &length); /* get hasAggs */ local_node->hasAggs = (token[0] == 't') ? true : false; + token = lsptok(NULL, &length); /* skip the :hasSubLinks */ + token = lsptok(NULL, &length); /* get hasSubLinks */ + local_node->hasSubLinks = (token[0] == 't') ? true : false; + token = lsptok(NULL, &length); /* skip :unionClause */ local_node->unionClause = nodeRead(true); @@ -1151,6 +1155,41 @@ _readAggreg() return (local_node); } +/* ---------------- + * _readSubLink + * + * SubLink is a subclass of Node + * ---------------- + */ +static SubLink * +_readSubLink() +{ + SubLink *local_node; + char *token; + int length; + + local_node = makeNode(SubLink); + + token = lsptok(NULL, &length); /* eat :subLinkType */ + token = lsptok(NULL, &length); /* get subLinkType */ + local_node->subLinkType = atoi(token); + + token = lsptok(NULL, &length); /* eat :useor */ + token = lsptok(NULL, &length); /* get useor */ + local_node->useor = (token[0] == 't') ? true : false; + + token = lsptok(NULL, &length); /* eat :lefthand */ + local_node->lefthand = nodeRead(true); /* now read it */ + + token = lsptok(NULL, &length); /* eat :oper */ + local_node->oper = nodeRead(true); /* now read it */ + + token = lsptok(NULL, &length); /* eat :subselect */ + local_node->subselect = nodeRead(true); /* now read it */ + + return (local_node); +} + /* * Stuff from execnodes.h */ @@ -1971,6 +2010,10 @@ parsePlanString(void) { return_value = _readAggreg(); } + else if (!strncmp(token, "SUBLINK", 6)) + { + return_value = _readSubLink(); + } else if (!strncmp(token, "AGG", 3)) { return_value = _readAgg(); |