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Diffstat (limited to 'src/backend/commands/aggregatecmds.c')
-rw-r--r--src/backend/commands/aggregatecmds.c21
1 files changed, 20 insertions, 1 deletions
diff --git a/src/backend/commands/aggregatecmds.c b/src/backend/commands/aggregatecmds.c
index 3424f842b9c..5c4d576b866 100644
--- a/src/backend/commands/aggregatecmds.c
+++ b/src/backend/commands/aggregatecmds.c
@@ -78,6 +78,7 @@ DefineAggregate(List *name, List *args, bool oldstyle, List *parameters,
int32 mtransSpace = 0;
char *initval = NULL;
char *minitval = NULL;
+ char *parallel = NULL;
int numArgs;
int numDirectArgs = 0;
oidvector *parameterTypes;
@@ -91,6 +92,7 @@ DefineAggregate(List *name, List *args, bool oldstyle, List *parameters,
Oid mtransTypeId = InvalidOid;
char transTypeType;
char mtransTypeType = 0;
+ char proparallel = PROPARALLEL_UNSAFE;
ListCell *pl;
/* Convert list of names to a name and namespace */
@@ -178,6 +180,8 @@ DefineAggregate(List *name, List *args, bool oldstyle, List *parameters,
initval = defGetString(defel);
else if (pg_strcasecmp(defel->defname, "minitcond") == 0)
minitval = defGetString(defel);
+ else if (pg_strcasecmp(defel->defname, "parallel") == 0)
+ parallel = defGetString(defel);
else
ereport(WARNING,
(errcode(ERRCODE_SYNTAX_ERROR),
@@ -449,6 +453,20 @@ DefineAggregate(List *name, List *args, bool oldstyle, List *parameters,
(void) OidInputFunctionCall(typinput, minitval, typioparam, -1);
}
+ if (parallel)
+ {
+ if (pg_strcasecmp(parallel, "safe") == 0)
+ proparallel = PROPARALLEL_SAFE;
+ else if (pg_strcasecmp(parallel, "restricted") == 0)
+ proparallel = PROPARALLEL_RESTRICTED;
+ else if (pg_strcasecmp(parallel, "unsafe") == 0)
+ proparallel = PROPARALLEL_UNSAFE;
+ else
+ ereport(ERROR,
+ (errcode(ERRCODE_SYNTAX_ERROR),
+ errmsg("parameter \"parallel\" must be SAFE, RESTRICTED, or UNSAFE")));
+ }
+
/*
* Most of the argument-checking is done inside of AggregateCreate
*/
@@ -480,5 +498,6 @@ DefineAggregate(List *name, List *args, bool oldstyle, List *parameters,
mtransTypeId, /* transition data type */
mtransSpace, /* transition space */
initval, /* initial condition */
- minitval); /* initial condition */
+ minitval, /* initial condition */
+ proparallel); /* parallel safe? */
}