mirror of
https://github.com/mariadb-corporation/mariadb-columnstore-engine.git
synced 2025-04-18 21:44:02 +03:00
94 lines
2.7 KiB
C++
94 lines
2.7 KiB
C++
/* Copyright (C) 2019 MariaDB Corporation
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; version 2 of
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the License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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MA 02110-1301, USA. */
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#pragma once
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int is_columnstore_extents_plugin_init(void* p);
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int is_columnstore_files_plugin_init(void* p);
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int is_columnstore_tables_plugin_init(void* p);
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int is_columnstore_columns_plugin_init(void* p);
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class InformationSchemaCond
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{
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StringBuffer<MAX_FIELD_WIDTH> mBufferTableName;
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StringBuffer<MAX_FIELD_WIDTH> mBufferTableSchema;
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String* mTableName;
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String* mTableSchema;
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public:
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InformationSchemaCond()
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: mBufferTableName(system_charset_info)
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, mBufferTableSchema(system_charset_info)
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, mTableName(nullptr)
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, mTableSchema(nullptr)
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{
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}
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const String* tableName() const
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{
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return mTableName;
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}
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const String* tableSchema() const
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{
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return mTableSchema;
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}
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static bool eqName(const String& a, const std::string& b)
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{
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return a.length() == b.length() && !memcmp(a.ptr(), b.data(), a.length());
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}
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static bool eqName(const String* a, const std::string& b)
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{
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return !a || eqName(*a, b);
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}
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bool match(const std::string& schema, const std::string& table) const
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{
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return eqName(mTableName, table) && eqName(mTableSchema, schema);
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}
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void getCondItem(Item_field* item_field, Item* item_const)
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{
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if (strcasecmp(item_field->field_name.str, "table_name") == 0)
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{
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mTableName = item_const->val_str(&mBufferTableName);
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}
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else if (strcasecmp(item_field->field_name.str, "table_schema") == 0)
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{
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mTableSchema = item_const->val_str(&mBufferTableSchema);
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}
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}
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void getCondItemBoolFunc2(Item_bool_func2* func)
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{
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Item_field* field = dynamic_cast<Item_field*>(func->arguments()[0]->real_item());
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if (field && func->arguments()[1]->const_item())
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getCondItem(field, func->arguments()[1]);
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}
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void getCondItems(COND* cond)
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{
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if (Item_bool_func2* func = dynamic_cast<Item_bool_func2*>(cond))
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{
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getCondItemBoolFunc2(func);
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}
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else if (Item_cond_and* subcond = dynamic_cast<Item_cond_and*>(cond))
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{
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List_iterator<Item> li(*(subcond)->argument_list());
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for (Item* item = li++; item; item = li++)
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getCondItems(item);
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}
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}
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};
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