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Unify error handling, clean up ANALYZE flow

pull/1013/head
Jason Petersen 2016-12-13 15:58:55 -07:00
parent e80d7f5741
commit 6bb916cc4f
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GPG Key ID: 9F1D3510D110ABA9
1 changed files with 69 additions and 13 deletions
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82
src/backend/distributed/executor/multi_utility.c
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@ -111,6 +111,7 @@ static Node * ProcessAlterObjectSchemaStmt(AlterObjectSchemaStmt *alterObjectSch
const char *alterObjectSchemaCommand,
bool isTopLevel);
static void ProcessVacuumStmt(VacuumStmt *vacuumStmt, const char *vacuumCommand);
static bool IsSupportedDistributedVacuumStmt(Oid relationId, VacuumStmt *vacuumStmt);
static List * VacuumTaskList(Oid relationId, VacuumStmt *vacuumStmt);
static StringInfo DeparseVacuumStmtPrefix(VacuumStmt *vacuumStmt);
@ -901,16 +902,15 @@ ProcessVacuumStmt(VacuumStmt *vacuumStmt, const char *vacuumCommand)
{
Oid relationId = InvalidOid;
List *taskList = NIL;
bool supportedVacuumStmt = false;
if (vacuumStmt->relation == NULL)
if (vacuumStmt->relation != NULL)
{
return;
relationId = RangeVarGetRelid(vacuumStmt->relation, NoLock, false);
}
relationId = RangeVarGetRelid(vacuumStmt->relation, NoLock, false);
/* first check whether a distributed relation is affected */
if (!OidIsValid(relationId) || !IsDistributedTable(relationId))
supportedVacuumStmt = IsSupportedDistributedVacuumStmt(relationId, vacuumStmt);
if (!supportedVacuumStmt)
{
return;
}
@ -923,6 +923,53 @@ ProcessVacuumStmt(VacuumStmt *vacuumStmt, const char *vacuumCommand)
}
static bool
IsSupportedDistributedVacuumStmt(Oid relationId, VacuumStmt *vacuumStmt)
{
const char *stmtName = (vacuumStmt->options & VACOPT_VACUUM) ? "VACUUM" : "ANALYZE";
if (vacuumStmt->relation == NULL && EnableDDLPropagation)
{
/* WARN and exit early for local unqualified VACUUM commands */
ereport(WARNING, (errmsg("not propagating %s command to worker nodes", stmtName),
errhint("Provide a specific table in order to %s "
"distributed tables.", stmtName)));
return false;
}
if (!OidIsValid(relationId) || !IsDistributedTable(relationId))
{
return false;
}
if (!EnableDDLPropagation)
{
/* WARN and exit early if DDL propagation is not enabled */
ereport(WARNING, (errmsg("not propagating %s command to worker nodes", stmtName),
errhint("Set citus.enable_ddl_propagation to true in order to "
"send targeted %s commands to worker nodes.",
stmtName)));
}
if (vacuumStmt->options & VACOPT_VERBOSE)
{
ereport(ERROR, (errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
errmsg("the VERBOSE option is currently unsupported in "
"distributed %s commands", stmtName)));
}
if (vacuumStmt->va_cols != NIL)
{
ereport(ERROR, (errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
errmsg("specifying a column list is currently unsupported in "
"distributed %s commands", stmtName)));
}
return true;
}
/* TODO: Write function comments */
static List *
VacuumTaskList(Oid relationId, VacuumStmt *vacuumStmt)
@ -975,7 +1022,8 @@ static StringInfo
DeparseVacuumStmtPrefix(VacuumStmt *vacuumStmt)
{
StringInfo vacuumPrefix = makeStringInfo();
const int supportedFlags = (
int vacuumFlags = vacuumStmt->options;
const int unsupportedFlags = ~(
VACOPT_ANALYZE |
#if (PG_VERSION_NUM >= 90600)
VACOPT_DISABLE_PAGE_SKIPPING |
@ -983,22 +1031,30 @@ DeparseVacuumStmtPrefix(VacuumStmt *vacuumStmt)
VACOPT_FREEZE |
VACOPT_FULL
);
const int vacuumFlags = vacuumStmt->options;
if (!(vacuumStmt->options & VACOPT_VACUUM))
/* determine actual command and block out its bit */
if (vacuumFlags & VACOPT_VACUUM)
{
appendStringInfoString(vacuumPrefix, "VACUUM ");
vacuumFlags &= ~VACOPT_VACUUM;
}
else
{
appendStringInfoString(vacuumPrefix, "ANALYZE ");
return vacuumPrefix;
vacuumFlags &= ~VACOPT_ANALYZE;
}
appendStringInfoString(vacuumPrefix, "VACUUM ");
/* unsupported flags and options should have already been rejected */
Assert((vacuumFlags & unsupportedFlags) == 0);
Assert(vacuumStmt->va_cols == NIL);
if (!(vacuumFlags & supportedFlags))
/* if no flags remain, exit early */
if (vacuumFlags == 0)
{
return vacuumPrefix;
}
/* otherwise, handle options */
appendStringInfoChar(vacuumPrefix, '(');
if (vacuumFlags & VACOPT_ANALYZE)