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[FEAT MERGE] implement values statement

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Co-authored-by: wangt1xiuyi <13547954130@163.com>
This commit is contained in:
jingtaoye35
2023-08-30 10:44:18 +00:00
committed by ob-robot
parent 5a62e3cee9
commit 8015a958d0
59 changed files with 3135 additions and 536 deletions
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40
src/sql/optimizer/ob_log_plan.cpp
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@ -5411,6 +5411,11 @@ int ObLogPlan::create_plan_tree_from_path(Path *path,
if (OB_FAIL(allocate_subquery_path(subquery_path, op))) {
LOG_WARN("failed to allocate subquery path", K(ret));
} else { /* Do nothing */ }
} else if (path->is_values_table_path()) {
ValuesTablePath *values_table_path = static_cast<ValuesTablePath *>(path);
if (OB_FAIL(allocate_values_table_path(values_table_path, op))) {
LOG_WARN("failed to allocate values table path", K(ret));
} else { /* Do nothing */ }
} else {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("get unexpected path type");
@ -13902,3 +13907,38 @@ int ObLogPlan::perform_gather_stat_replace(ObLogicalOperator *op)
}
return ret;
}
int ObLogPlan::allocate_values_table_path(ValuesTablePath *values_table_path,
ObLogicalOperator *&out_access_path_op)
{
int ret = OB_SUCCESS;
ObLogExprValues *values_op = NULL;
const TableItem *table_item = NULL;
if (OB_ISNULL(values_table_path) || OB_ISNULL(get_stmt()) ||
OB_ISNULL(table_item = get_stmt()->get_table_item_by_id(values_table_path->table_id_))) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("get unexpected null", K(values_table_path), K(get_stmt()), K(ret));
} else if (OB_ISNULL(values_op = static_cast<ObLogExprValues*>(get_log_op_factory().
allocate(*this, LOG_EXPR_VALUES)))) {
ret = OB_ALLOCATE_MEMORY_FAILED;
LOG_WARN("failed to allocate values op", K(ret));
} else {
values_op->set_table_name(table_item->get_table_name());
values_op->set_is_values_table(true);
ObSEArray<ObColumnRefRawExpr *, 4> values_desc;
if (OB_FAIL(values_op->add_values_expr(table_item->table_values_))) {
LOG_WARN("failed to add values expr", K(ret));
} else if (OB_FAIL(get_stmt()->get_column_exprs(values_table_path->table_id_, values_desc))) {
LOG_WARN("failed to get column exprs");
} else if (OB_FAIL(values_op->add_values_desc(values_desc))) {
LOG_WARN("failed to add values desc", K(ret));
} else if (OB_FAIL(append(values_op->get_filter_exprs(), values_table_path->filter_))) {
LOG_WARN("failed to append expr", K(ret));
} else if (OB_FAIL(values_op->compute_property(values_table_path))) {
LOG_WARN("failed to compute propery", K(ret));
} else {
out_access_path_op = values_op;
}
}
return ret;
}