| 1 | //===----------------------------------------------------------------------===// |
|---|---|
| 2 | // DuckDB |
| 3 | // |
| 4 | // duckdb/planner/pragma_handler.hpp |
| 5 | // |
| 6 | // |
| 7 | //===----------------------------------------------------------------------===// |
| 8 | |
| 9 | #pragma once |
| 10 | |
| 11 | #include "duckdb/common/common.hpp" |
| 12 | #include "duckdb/common/vector.hpp" |
| 13 | #include "duckdb/parser/statement/pragma_statement.hpp" |
| 14 | |
| 15 | namespace duckdb { |
| 16 | class ClientContext; |
| 17 | class ClientContextLock; |
| 18 | class SQLStatement; |
| 19 | struct PragmaInfo; |
| 20 | |
| 21 | //! Pragma handler is responsible for converting certain pragma statements into new queries |
| 22 | class PragmaHandler { |
| 23 | public: |
| 24 | explicit PragmaHandler(ClientContext &context); |
| 25 | |
| 26 | void HandlePragmaStatements(ClientContextLock &lock, vector<unique_ptr<SQLStatement>> &statements); |
| 27 | |
| 28 | private: |
| 29 | ClientContext &context; |
| 30 | |
| 31 | private: |
| 32 | //! Handles a pragma statement, returns whether the statement was expanded, if it was expanded the 'resulting_query' |
| 33 | //! contains the statement(s) to replace the current one |
| 34 | bool HandlePragma(SQLStatement *statement, string &resulting_query); |
| 35 | |
| 36 | void HandlePragmaStatementsInternal(vector<unique_ptr<SQLStatement>> &statements); |
| 37 | }; |
| 38 | } // namespace duckdb |
| 39 |