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patch 4.0

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wangzelin.wzl
2022-10-24 10:34:53 +08:00
parent 4ad6e00ec3
commit 93a1074b0c
10533 changed files with 2588271 additions and 2299373 deletions
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123
src/sql/resolver/ddl/ob_explain_resolver.cpp
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@ -17,77 +17,110 @@
using namespace oceanbase;
using namespace sql;
using namespace common;
#define EXPLAIN_FORMAT 0
#define EXPLAIN_CHILD_STMT 1
int ObExplainResolver::resolve(const ParseNode& parse_tree)
const static int64_t EXPLAIN_FORMAT = 0;
const static int64_t EXPLAIN_DISPLAY_OPTION = 1;
const static int64_t EXPLAIN_CHILD_STMT = 2;
int ObExplainResolver::resolve(const ParseNode &parse_tree)
{
int ret = OB_SUCCESS;
ObExplainStmt* explain_stmt = NULL;
if (!(T_EXPLAIN == parse_tree.type_ && 2 == parse_tree.num_child_)) {
ObExplainStmt *explain_stmt = NULL;
if (!(T_EXPLAIN == parse_tree.type_ && 3 == parse_tree.num_child_)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("invalid EXPLAIN syntax", "type", parse_tree.type_, "# of child", parse_tree.num_child_);
LOG_WARN("invalid EXPLAIN syntax",
"type", parse_tree.type_,
"# of child", parse_tree.num_child_);
} else if (NULL == (explain_stmt = create_stmt<ObExplainStmt>())) {
ret = OB_SQL_RESOLVER_NO_MEMORY;
LOG_WARN("failed to create explain stmt");
} else {
ParseNode* child_node = parse_tree.children_[EXPLAIN_CHILD_STMT];
ObStmt* child_stmt = NULL;
ParseNode *child_node = parse_tree.children_[EXPLAIN_CHILD_STMT];
ObStmt *child_stmt = NULL;
if (OB_ISNULL(child_node)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("empty parse tree for stmt");
} else if (!(T_SELECT == child_node->type_ || T_DELETE == child_node->type_ || T_INSERT == child_node->type_ ||
T_MERGE == child_node->type_ || T_UPDATE == child_node->type_ || T_REPLACE == child_node->type_ ||
T_MULTI_INSERT == child_node->type_)) {
} else if (!(T_SELECT == child_node->type_
|| T_DELETE == child_node->type_
|| T_INSERT == child_node->type_
|| T_MERGE == child_node->type_
|| T_UPDATE == child_node->type_
|| T_REPLACE == child_node->type_
|| T_MULTI_INSERT == child_node->type_)) {
ret = OB_NOT_SUPPORTED;
LOG_WARN("invalid stmt type for EXPLAIN", "type", child_node->type_);
LOG_USER_ERROR(OB_NOT_SUPPORTED, "stmt type for EXPLAIN");
} else {
ObResolver resolver(params_);
if (OB_FAIL(resolver.resolve(ObResolver::IS_NOT_PREPARED_STMT, *child_node, child_stmt))) {
if (OB_FAIL(resolver.resolve(ObResolver::IS_NOT_PREPARED_STMT,
*child_node,
child_stmt))) {
LOG_WARN("failed to resolve child stmt", K(ret));
} else if (OB_ISNULL(child_stmt)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("failed to generate stmt for child stmt");
} else {
explain_stmt->set_explain_query_stmt(static_cast<ObDMLStmt*>(child_stmt));
ParseNode* format = parse_tree.children_[EXPLAIN_FORMAT];
explain_stmt->set_explain_query_stmt(static_cast<ObDMLStmt *>(child_stmt));
ParseNode *format = parse_tree.children_[EXPLAIN_FORMAT];
if (NULL != format) {
switch (format->type_) {
case T_OUTLINE: {
explain_stmt->set_explain_format(EXPLAIN_OUTLINE);
} break;
case T_EXTENDED: {
explain_stmt->set_explain_format(EXPLAIN_EXTENDED);
} break;
case T_PARTITIONS: {
explain_stmt->set_explain_format(EXPLAIN_PARTITIONS);
} break;
case T_TRADITIONAL: {
explain_stmt->set_explain_format(EXPLAIN_TRADITIONAL);
} break;
case T_FORMAT_JSON: {
explain_stmt->set_explain_format(EXPLAIN_FORMAT_JSON);
} break;
case T_BASIC: {
explain_stmt->set_explain_format(EXPLAIN_BASIC);
break;
}
case T_EXTENDED_NOADDR: {
explain_stmt->set_explain_format(EXPLAIN_EXTENDED_NOADDR);
break;
}
case T_PLANREGRESS: {
explain_stmt->set_explain_format(EXPLAIN_PLANREGRESS);
break;
}
default:
ret = OB_ERROR;
LOG_WARN("unknown explain format", "format", format->type_);
break;
case T_OUTLINE:
{
explain_stmt->set_explain_format(EXPLAIN_OUTLINE);
} break;
case T_EXTENDED:
{
explain_stmt->set_explain_format(EXPLAIN_EXTENDED);
} break;
case T_PARTITIONS:
{
explain_stmt->set_explain_format(EXPLAIN_PARTITIONS);
} break;
case T_TRADITIONAL:
{
explain_stmt->set_explain_format(EXPLAIN_TRADITIONAL);
} break;
case T_FORMAT_JSON:
{
explain_stmt->set_explain_format(EXPLAIN_FORMAT_JSON);
} break;
case T_BASIC: {
explain_stmt->set_explain_format(EXPLAIN_BASIC);
break;
}
case T_EXTENDED_NOADDR: {
explain_stmt->set_explain_format(EXPLAIN_EXTENDED_NOADDR);
break;
}
case T_PLANREGRESS: {
explain_stmt->set_explain_format(EXPLAIN_PLANREGRESS);
break;
}
default:
ret = OB_ERROR;
LOG_WARN("unknown explain format", "format", format->type_);
break;
}
}
}
}
ParseNode *opt_node = parse_tree.children_[EXPLAIN_DISPLAY_OPTION];
if (OB_SUCC(ret) && NULL != opt_node) {
ObExplainDisplayOpt opt;
switch (opt_node->type_) {
case T_PRETTY_COLOR:
opt.with_color_ = true;
// pass
case T_PRETTY:
opt.with_tree_line_ = true;
break;
default:
ret = OB_ERR_UNEXPECTED;
LOG_WARN("unexpected display option", K(ret), K(opt_node->type_));
}
if (OB_SUCC(ret)) {
explain_stmt->set_display_opt(opt);
}
}
}
return ret;