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add IS_EXPR_DETERMINISTIC flag

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This commit is contained in:
jingtaoye35
2024-09-24 03:16:22 +00:00
committed by ob-robot
parent 2e65d590c9
commit 55248cfd56
32 changed files with 224 additions and 238 deletions
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6
src/sql/rewrite/ob_transform_simplify_expr.cpp
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@ -1879,14 +1879,14 @@ int ObTransformSimplifyExpr::is_valid_for_remove_subquery(const ObSelectStmt* st
{
int ret = OB_SUCCESS;
is_valid = false;
bool has_rand = false;
bool is_deterministic = false;
bool has_rownum = false;
if (stmt->is_contains_assignment() || stmt->has_subquery() || 0 != stmt->get_window_func_count() ||
stmt->is_hierarchical_query() || stmt->is_set_stmt() || 0 != stmt->get_pseudo_column_like_exprs().count()) {
/* do nothing */
} else if (OB_FAIL(stmt->has_rand(has_rand))) {
} else if (OB_FAIL(stmt->is_query_deterministic(is_deterministic))) {
LOG_WARN("failed to check if stmt has rand", K(ret));
} else if (has_rand) {
} else if (!is_deterministic) {
/* do nothing */
} else if (OB_FAIL(stmt->has_rownum(has_rownum))) {
LOG_WARN("failed to check if stmt has rownum", K(ret));