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[FEAT MERGE] information_schema enhence

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This commit is contained in:
obdev
2023-01-13 03:42:07 +00:00
committed by OB-robot
parent 9ce9e1a357
commit ec56715ea5
98 changed files with 4513 additions and 3156 deletions
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127
src/sql/resolver/ddl/ob_create_view_resolver.cpp
View File

@ -20,7 +20,7 @@
#include "sql/ob_sql_context.h"
#include "sql/ob_select_stmt_printer.h"
#include "sql/session/ob_sql_session_info.h"
#include "sql/resolver/ddl/ob_create_table_resolver.h"
#include "lib/json/ob_json_print_utils.h" // for SJ
#include "lib/hash/ob_hashset.h"
@ -81,6 +81,7 @@ int ObCreateViewResolver::resolve(const ParseNode &parse_tree)
create_arg.if_not_exist_ = NULL != parse_tree.children_[IF_NOT_EXISTS_NODE]
|| 1 == parse_tree.reserved_;
create_arg.is_alter_view_ = (1 == parse_tree.reserved_);
table_schema.set_force_view(is_force_view);
table_schema.set_tenant_id(session_info_->get_effective_tenant_id());
table_schema.set_tablegroup_id(OB_SYS_TABLEGROUP_ID);
table_schema.set_define_user_id(session_info_->get_priv_user_id());
@ -165,7 +166,12 @@ int ObCreateViewResolver::resolve(const ParseNode &parse_tree)
view_table_resolver.get_select_stmt()))) {
LOG_WARN("failed to init query hint.", K(ret));
}
// specify view related flags
if (table_schema.is_sys_table()) {
table_schema.set_table_type(SYSTEM_VIEW);
} else if (table_schema.is_user_table()) {
table_schema.set_table_type(USER_VIEW);
}
if (OB_FAIL(ret)) {
} else if (OB_ISNULL(select_stmt = view_table_resolver.get_select_stmt())) {
ret = OB_ERR_UNEXPECTED;
@ -173,15 +179,11 @@ int ObCreateViewResolver::resolve(const ParseNode &parse_tree)
} else if (OB_FAIL(check_view_columns(*select_stmt, view_columns_node,
create_arg.error_info_, is_force_view))) {
LOG_WARN("failed to check view columns", K(ret));
} else if (OB_FAIL(add_column_infos(session_info_->get_effective_tenant_id(), *select_stmt, table_schema))) {
LOG_WARN("failed to add column infos", K(ret));
} else if (OB_FAIL(collect_dependency_infos(params_.query_ctx_, create_arg))) {
LOG_WARN("failed to collect dependency infos", K(ret));
} else {
// specify view related flags
if (table_schema.is_sys_table()) {
table_schema.set_table_type(SYSTEM_VIEW);
} else if (table_schema.is_user_table()) {
table_schema.set_table_type(USER_VIEW);
}
bool is_updatable = true;
ViewCheckOption check_option = VIEW_CHECK_OPTION_NONE;
if (NULL != parse_tree.children_[WITH_OPT_NODE]) {
@ -691,18 +693,109 @@ int ObCreateViewResolver::collect_dependency_infos(ObQueryCtx *query_ctx,
ObCreateTableArg &create_arg)
{
int ret = OB_SUCCESS;
ObString dummy;
ObReferenceObjTable::ObDependencyObjItem *dep_obj_item = nullptr;
uint64_t data_version = 0;
int64_t max_ref_obj_schema_version = -1;
CK (OB_NOT_NULL(query_ctx));
if (query_ctx->reference_obj_tables_.is_inited()) {
OZ (query_ctx->reference_obj_tables_.get_dep_obj_item(
OB_INVALID_ID, OB_INVALID_ID, ObObjectType::VIEW, dep_obj_item));
CK (OB_NOT_NULL(dep_obj_item));
OZ (ObDependencyInfo::collect_dep_infos(dep_obj_item->get_ref_obj_versions(),
if (OB_FAIL(ret)) {
} else if (OB_FAIL(GET_MIN_DATA_VERSION(create_arg.schema_.get_tenant_id(), data_version))) {
LOG_WARN("failed to get data version", K(ret));
} else if (data_version >= DATA_VERSION_4_1_0_0) {
OZ (ObDependencyInfo::collect_dep_infos(query_ctx->reference_obj_tables_,
create_arg.dep_infos_,
ObObjectType::VIEW,
0, dummy, dummy, false/* is_pl */));
OX (create_arg.schema_.set_max_dependency_version(dep_obj_item->max_ref_obj_schema_version_));
OB_INVALID_ID,
max_ref_obj_schema_version));
OX (create_arg.schema_.set_max_dependency_version(max_ref_obj_schema_version));
} else {
ObReferenceObjTable::ObDependencyObjItem *dep_obj_item = nullptr;
ObString dummy;
if (query_ctx->reference_obj_tables_.is_inited()) {
OZ (query_ctx->reference_obj_tables_.get_dep_obj_item(
OB_INVALID_ID, OB_INVALID_ID, ObObjectType::VIEW, dep_obj_item));
CK (OB_NOT_NULL(dep_obj_item));
OZ (ObDependencyInfo::collect_dep_infos(dep_obj_item->get_ref_obj_versions(),
create_arg.dep_infos_,
ObObjectType::VIEW,
0, dummy, dummy, false/* is_pl */));
OX (create_arg.schema_.set_max_dependency_version(dep_obj_item->max_ref_obj_schema_version_));
}
}
return ret;
}
int ObCreateViewResolver::add_column_infos(const uint64_t tenant_id, ObSelectStmt &select_stmt, ObTableSchema &table_schema)
{
int ret = OB_SUCCESS;
ObIArray<SelectItem> &select_items = select_stmt.get_select_items();
ObColumnSchemaV2 column;
int64_t cur_column_id = OB_APP_MIN_COLUMN_ID;
uint64_t data_version = 0;
if (OB_FAIL(GET_MIN_DATA_VERSION(tenant_id, data_version))) {
LOG_WARN("failed to get data version", K(ret));
} else if (data_version >= DATA_VERSION_4_1_0_0) {
for (int64_t i = 0; OB_SUCC(ret) && i < select_items.count(); ++i) {
const SelectItem &select_item = select_items.at(i);
const ObRawExpr *expr = select_item.expr_;
if (OB_UNLIKELY(NULL == expr)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("select item expr is null", K(ret), K(i));
} else {
column.reset();
if (!select_item.alias_name_.empty()) {
column.set_column_name(select_item.alias_name_);
} else {
column.set_column_name(select_item.expr_name_);
}
ObObjMeta column_meta = expr->get_result_type().get_obj_meta();
if (column_meta.is_lob_locator()) {
column_meta.set_type(ObLongTextType);
}
column.set_meta_type(column_meta);
if (column.is_enum_or_set()) {
if (OB_FAIL(column.set_extended_type_info(expr->get_enum_set_values()))) {
LOG_WARN("set enum or set info failed", K(ret), K(*expr));
}
}
column.set_charset_type(table_schema.get_charset_type());
column.set_collation_type(expr->get_collation_type());
column.set_accuracy(expr->get_accuracy());
OZ (adjust_string_column_length_within_max(column, lib::is_oracle_mode()));
if (OB_FAIL(ret)) {
// do nothing.
} else {
column.set_column_id(cur_column_id++);
ObColumnSchemaV2 *org_column = table_schema.get_column_schema(column.get_column_name());
if (OB_NOT_NULL(org_column)) {
ObColumnSchemaV2 new_column(*org_column);
new_column.set_column_id(cur_column_id++);
new_column.set_prev_column_id(UINT64_MAX);
new_column.set_next_column_id(UINT64_MAX);
if (1 == table_schema.get_column_count()) {
} else if (OB_FAIL(table_schema.delete_column(org_column->get_column_name_str()))) {
LOG_WARN("delete column failed", K(ret), K(new_column.get_column_name_str()));
} else if (OB_FAIL(table_schema.add_column(new_column))) {
LOG_WARN("add column failed", K(ret), K(new_column));
} else {
LOG_DEBUG("reorder column successfully", K(new_column));
}
} else {
if (column.is_string_type() || column.is_json()) {
if (column.get_meta_type().is_lob() || column.get_meta_type().is_json()) {
if (OB_FAIL(check_text_column_length_and_promote(column, table_schema.get_table_id(), true))) {
LOG_WARN("fail to check text or blob column length", K(ret), K(column));
}
}
}
if (OB_FAIL(ret)) {
//do nothing ...
} else if (OB_FAIL(table_schema.add_column(column))) {
LOG_WARN("add column to table_schema failed", K(ret), K(column));
}
}
LOG_DEBUG("ctas mysql mode, create_table_column_count = 0,end", K(column));
}
}
}
}
return ret;
}