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Remove no-longer-needed fields of Hash plan nodes.

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skewColType/skewColTypmod are no longer used in the wake of commit
9aab83fc5, and seem unlikely to be wanted in future, so let's drop 'em.

Discussion: https://postgr.es/m/16364.1494520862@sss.pgh.pa.us
This commit is contained in:
Tom Lane
2017-05-14 11:07:40 -04:00
parent f04c9a6146
commit f674743487
5 changed files with 4 additions and 25 deletions
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18
src/backend/optimizer/plan/createplan.c
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@ -224,9 +224,7 @@ static HashJoin *make_hashjoin(List *tlist,
static Hash *make_hash(Plan *lefttree,
Oid skewTable,
AttrNumber skewColumn,
bool skewInherit,
Oid skewColType,
int32 skewColTypmod);
bool skewInherit);
static MergeJoin *make_mergejoin(List *tlist,
List *joinclauses, List *otherclauses,
List *mergeclauses,
@ -4065,8 +4063,6 @@ create_hashjoin_plan(PlannerInfo *root,
Oid skewTable = InvalidOid;
AttrNumber skewColumn = InvalidAttrNumber;
bool skewInherit = false;
Oid skewColType = InvalidOid;
int32 skewColTypmod = -1;
/*
* HashJoin can project, so we don't have to demand exact tlists from the
@ -4153,8 +4149,6 @@ create_hashjoin_plan(PlannerInfo *root,
skewTable = rte->relid;
skewColumn = var->varattno;
skewInherit = rte->inh;
skewColType = var->vartype;
skewColTypmod = var->vartypmod;
}
}
}
@ -4165,9 +4159,7 @@ create_hashjoin_plan(PlannerInfo *root,
hash_plan = make_hash(inner_plan,
skewTable,
skewColumn,
skewInherit,
skewColType,
skewColTypmod);
skewInherit);
/*
* Set Hash node's startup & total costs equal to total cost of input
@ -5427,9 +5419,7 @@ static Hash *
make_hash(Plan *lefttree,
Oid skewTable,
AttrNumber skewColumn,
bool skewInherit,
Oid skewColType,
int32 skewColTypmod)
bool skewInherit)
{
Hash *node = makeNode(Hash);
Plan *plan = &node->plan;
@ -5442,8 +5432,6 @@ make_hash(Plan *lefttree,
node->skewTable = skewTable;
node->skewColumn = skewColumn;
node->skewInherit = skewInherit;
node->skewColType = skewColType;
node->skewColTypmod = skewColTypmod;
return node;
}