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[FEAT MERGE]4_2_sql_feature

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Co-authored-by: yinyj17 <yinyijun92@gmail.com>
Co-authored-by: xianyu-w <707512433@qq.com>
Co-authored-by: jingtaoye35 <1255153887@qq.com>
This commit is contained in:
zzg19950727
2023-04-28 11:12:11 +00:00
committed by ob-robot
parent 3bf92459f1
commit 3cada22bdc
161 changed files with 16883 additions and 4730 deletions
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11
src/sql/rewrite/ob_transform_view_merge.cpp
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@ -44,6 +44,8 @@ int ObTransformViewMerge::transform_one_stmt(common::ObIArray<ObParentDMLStmt> &
LOG_WARN("failed to do view merge in semi info", K(ret));
} else if (!is_from_item_happened && !is_semi_info_happened) {
/*do nothing*/
} else if (OB_FAIL(stmt->formalize_query_ref_exprs())) {
LOG_WARN("failed to fromalize query ref exprs", K(ret));
} else if (OB_FAIL(add_transform_hint(*stmt, &merged_stmts))) {
LOG_WARN("failed to add transform hint", K(ret));
} else {
@ -76,9 +78,14 @@ int ObTransformViewMerge::transform_one_stmt_with_outline(ObIArray<ObParentDMLSt
LOG_TRACE("succeed to do view merge with outline", K(ctx_->src_qb_name_));
}
} while (OB_SUCC(ret) && is_happened);
if (OB_SUCC(ret) && trans_happened && OB_FAIL(add_transform_hint(*stmt, &merged_stmts))) {
LOG_WARN("failed to add transform hint", K(ret));
if (OB_SUCC(ret) && trans_happened) {
if (OB_FAIL(stmt->formalize_query_ref_exprs())) {
LOG_WARN("failed to fromalize query ref exprs", K(ret));
} else if (OB_FAIL(add_transform_hint(*stmt, &merged_stmts))) {
LOG_WARN("failed to add transform hint", K(ret));
}
}
return ret;
}