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add hash join op clone #989

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Merged
merged 2 commits into from
Feb 26, 2020
Merged

add hash join op clone #989

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18b640c
add hash join op clone
Feb 25, 2020
ec044ee
Merge branch 'master' into clone_hash_join
swilly22 Feb 26, 2020
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11 changes: 9 additions & 2 deletions src/execution_plan/ops/op_value_hash_join.c
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Original file line number Diff line number Diff line change
Expand Up @@ -15,6 +15,7 @@
static OpResult ValueHashJoinInit(OpBase *opBase);
static Record ValueHashJoinConsume(OpBase *opBase);
static OpResult ValueHashJoinReset(OpBase *opBase);
static OpBase *ValueHashJoinClone(const ExecutionPlan *plan, const OpBase *opBase);
static void ValueHashJoinFree(OpBase *opBase);

/* Determins order between two records by inspecting
Expand Down Expand Up @@ -174,8 +175,8 @@ OpBase *NewValueHashJoin(const ExecutionPlan *plan, AR_ExpNode *lhs_exp, AR_ExpN

// Set our Op operations
OpBase_Init((OpBase *)op, OPType_VALUE_HASH_JOIN, "Value Hash Join", ValueHashJoinInit,
ValueHashJoinConsume, ValueHashJoinReset, ValueHashJoinToString, NULL, ValueHashJoinFree, false,
plan);
ValueHashJoinConsume, ValueHashJoinReset, ValueHashJoinToString, ValueHashJoinClone,
ValueHashJoinFree, false, plan);

op->join_value_rec_idx = OpBase_Modifies((OpBase *)op, "pivot");
return (OpBase *)op;
Expand Down Expand Up @@ -271,6 +272,12 @@ static OpResult ValueHashJoinReset(OpBase *ctx) {
return OP_OK;
}

static inline OpBase *ValueHashJoinClone(const ExecutionPlan *plan, const OpBase *opBase) {
assert(opBase->type == OPType_VALUE_HASH_JOIN);
OpValueHashJoin *op = (OpValueHashJoin *)opBase;
return NewValueHashJoin(plan, AR_EXP_Clone(op->lhs_exp), AR_EXP_Clone(op->rhs_exp));
}

/* Frees ValueHashJoin */
static void ValueHashJoinFree(OpBase *ctx) {
OpValueHashJoin *op = (OpValueHashJoin *)ctx;
Expand Down