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Merge pull request #3625 from citusdata/avoid-execinitexpr-sublink 

PartiallyEvaluateExpression: Avoid unrecognized paramkind: 2
pull/3591/head
Philip Dubé 2020-03-23 14:25:28 +00:00 committed by GitHub
parent 3b7959a763 dd2bd53e5b
commit f77c71a9bd
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 23 additions and 6 deletions
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15
src/backend/distributed/utils/citus_clauses.c
View File

@ -27,7 +27,7 @@
/* private function declarations */
static bool IsVarNode(Node *node);
static bool IsVarOrParamSublink(Node *node);
static Expr * citus_evaluate_expr(Expr *expr, Oid result_type, int32 result_typmod,
Oid result_collation,
MasterEvaluationContext *masterEvaluationContext);
@ -120,7 +120,8 @@ PartiallyEvaluateExpression(Node *expression,
else if (ShouldEvaluateExpressionType(nodeTag) &&
ShouldEvaluateFunctionWithMasterContext(masterEvaluationContext))
{
if (FindNodeCheck(expression, IsVarNode))
/* don't call citus_evaluate_expr on nodes it cannot handle */
if (FindNodeCheck(expression, IsVarOrParamSublink))
{
return (Node *) expression_tree_mutator(expression,
PartiallyEvaluateExpression,
@ -200,11 +201,17 @@ ShouldEvaluateExpressionType(NodeTag nodeTag)
/*
* IsVarNode returns whether a node is a Var (column reference).
* IsVarOrParamSublink returns whether node is a Var or PARAM_SUBLINK param.
*/
static bool
IsVarNode(Node *node)
IsVarOrParamSublink(Node *node)
{
if (IsA(node, Param))
{
/* ExecInitExpr cannot handle PARAM_SUBLINK */
return ((Param *) node)->paramkind == PARAM_SUBLINK;
}
return IsA(node, Var);
}

8
src/test/regress/expected/multi_router_planner.out
View File

@ -2363,7 +2363,7 @@ INSERT INTO articles_hash VALUES (51, 1, 'amateus', 1814), (52, 1, 'second amate
DEBUG: Creating router plan
DEBUG: Plan is router executable
DETAIL: distribution column value: 1
-- verify insert is successfull (not router plannable and executable)
-- verify insert is successful (not router plannable and executable)
SELECT id
FROM articles_hash
WHERE author_id = 1;
@ -2381,6 +2381,12 @@ DETAIL: distribution column value: 1
52
(7 rows)
-- https://github.com/citusdata/citus/issues/3624
UPDATE articles_hash SET id = id
WHERE author_id = 1 AND title IN (SELECT name FROM authors_reference WHERE random() > 0.5);
DEBUG: Creating router plan
DEBUG: Plan is router executable
DETAIL: distribution column value: 1
SET client_min_messages to 'NOTICE';
-- test that a connection failure marks placements invalid
SET citus.shard_replication_factor TO 2;

6
src/test/regress/sql/multi_router_planner.sql
View File

@ -1096,11 +1096,15 @@ SELECT id
-- insert query is router plannable even under task-tracker
INSERT INTO articles_hash VALUES (51, 1, 'amateus', 1814), (52, 1, 'second amateus', 2824);
-- verify insert is successfull (not router plannable and executable)
-- verify insert is successful (not router plannable and executable)
SELECT id
FROM articles_hash
WHERE author_id = 1;
-- https://github.com/citusdata/citus/issues/3624
UPDATE articles_hash SET id = id
WHERE author_id = 1 AND title IN (SELECT name FROM authors_reference WHERE random() > 0.5);
SET client_min_messages to 'NOTICE';
-- test that a connection failure marks placements invalid