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Rename a parse node to be more general

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A WHERE clause will be used for row filtering in logical replication.
We already have a similar node: 'WHERE (condition here)'.  Let's
rename the node to a generic name and use it for row filtering too.

Author: Euler Taveira <euler.taveira@enterprisedb.com>
Discussion: https://www.postgresql.org/message-id/flat/CAHE3wggb715X+mK_DitLXF25B=jE6xyNCH4YOwM860JR7HarGQ@mail.gmail.com
This commit is contained in:
Peter Eisentraut 2021-03-25 10:06:32 +01:00
parent a1999a01bb
commit 91d1f2d302
1 changed files with 3 additions and 3 deletions
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6
src/backend/parser/gram.y
View File

@ -495,7 +495,7 @@ static Node *makeRecursiveViewSelect(char *relname, List *aliases, Node *query);
%type <node> def_arg columnElem where_clause where_or_current_clause
a_expr b_expr c_expr AexprConst indirection_el opt_slice_bound
columnref in_expr having_clause func_table xmltable array_expr
ExclusionWhereClause operator_def_arg
OptWhereClause operator_def_arg
%type <list> rowsfrom_item rowsfrom_list opt_col_def_list
%type <boolean> opt_ordinality
%type <list> ExclusionConstraintList ExclusionConstraintElem
@ -3837,7 +3837,7 @@ ConstraintElem:
$$ = (Node *)n;
}
| EXCLUDE access_method_clause '(' ExclusionConstraintList ')'
opt_c_include opt_definition OptConsTableSpace ExclusionWhereClause
opt_c_include opt_definition OptConsTableSpace OptWhereClause
ConstraintAttributeSpec
{
Constraint *n = makeNode(Constraint);
@ -3939,7 +3939,7 @@ ExclusionConstraintElem: index_elem WITH any_operator
}
;
ExclusionWhereClause:
OptWhereClause:
WHERE '(' a_expr ')' { $$ = $3; }
| /*EMPTY*/ { $$ = NULL; }
;