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[FEAT MERGE] Functional_index

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This commit is contained in:
obdev
2023-04-27 11:11:23 +00:00
committed by ob-robot
parent a52d8673b2
commit c5756c1799
370 changed files with 1728 additions and 821 deletions
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23
src/sql/rewrite/ob_query_range.cpp
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@ -1796,6 +1796,8 @@ int ObQueryRange::get_column_key_part(const ObRawExpr *l_expr,
} else if (OB_FAIL(add_precise_constraint(const_expr,
query_range_ctx_->cur_expr_is_precise_))) {
LOG_WARN("failed to add precise constraint", K(ret));
} else if (OB_FAIL(add_prefix_pattern_constraint(const_expr))) {
LOG_WARN("failed to add prefix pattern constraint", K(ret));
}
}
} else {
@ -8718,6 +8720,27 @@ int ObQueryRange::add_precise_constraint(const ObRawExpr *expr, bool is_precise)
return ret;
}
int ObQueryRange::add_prefix_pattern_constraint(const ObRawExpr *expr)
{
int ret = OB_SUCCESS;
if (OB_FAIL(ObRawExprUtils::get_real_expr_without_cast(expr, expr))) {
LOG_WARN("fail to get real expr", K(ret));
} else if (OB_ISNULL(expr)) {
LOG_WARN("unexpected null", K(ret));
} else if (T_FUN_SYS_PREFIX_PATTERN == expr->get_expr_type()) {
ObExprConstraint cons(const_cast<ObRawExpr*>(expr), PreCalcExprExpectResult::PRE_CALC_RESULT_NOT_NULL);
if (OB_ISNULL(query_range_ctx_)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("unexpected null", K(ret));
} else if (NULL == query_range_ctx_->expr_constraints_) {
// do nothing
} else if (OB_FAIL(add_var_to_array_no_dup(*query_range_ctx_->expr_constraints_, cons))) {
LOG_WARN("failed to add precise constraint", K(ret));
}
}
return ret;
}
int ObQueryRange::get_final_expr_val(const ObRawExpr *expr, ObObj &val)
{
int ret = OB_SUCCESS;