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part_strategy does not need its very own keyword classification. 

This should be plain old ColId.  Making it so makes the grammar less
complicated, and makes the compiled tables a kilobyte or so smaller
(likely because they don't have to deal with a keyword classification
that's not used anyplace else).
This commit is contained in:
Tom Lane 2020-05-19 20:09:59 -04:00
parent 67b0b2dbf9
commit c7d65a252c
1 changed files with 1 additions and 6 deletions
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7
src/backend/parser/gram.y
View File

@ -595,7 +595,6 @@ static Node *makeRecursiveViewSelect(char *relname, List *aliases, Node *query);
%type <boolean> opt_if_not_exists
%type <ival> generated_when override_kind
%type <partspec> PartitionSpec OptPartitionSpec
%type <str> part_strategy
%type <partelem> part_elem
%type <list> part_params
%type <partboundspec> PartitionBoundSpec
@ -3894,7 +3893,7 @@ OptPartitionSpec: PartitionSpec { $$ = $1; }
| /*EMPTY*/ { $$ = NULL; }
;
PartitionSpec: PARTITION BY part_strategy '(' part_params ')'
PartitionSpec: PARTITION BY ColId '(' part_params ')'
{
PartitionSpec *n = makeNode(PartitionSpec);
@ -3906,10 +3905,6 @@ PartitionSpec: PARTITION BY part_strategy '(' part_params ')'
}
;
part_strategy: IDENT { $$ = $1; }
| unreserved_keyword { $$ = pstrdup($1); }
;
part_params: part_elem { $$ = list_make1($1); }
| part_params ',' part_elem { $$ = lappend($1, $3); }
;