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43 lines
1.0 KiB
43 lines
1.0 KiB
2 years ago
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#ifndef __DATASOURCE_CONN_H__
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#define __DATASOURCE_CONN_H__
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struct Context;
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struct AQQueryResult {
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void* res;
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unsigned ref;
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};
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enum DataSourceType {
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Invalid,
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MonetDB,
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MariaDB,
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DuckDB,
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SQLite
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};
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struct DataSource {
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void* server = nullptr;
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Context* cxt = nullptr;
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bool status = false;
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char* query = nullptr;
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DataSourceType type = Invalid;
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void* res = nullptr;
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void* ret_col = nullptr;
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long long cnt = 0;
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const char* last_error = nullptr;
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void* handle;
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DataSource() = default;
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explicit DataSource(Context* cxt = nullptr) = delete;
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virtual void connect(Context* cxt) = 0;
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virtual void exec(const char* q) = 0;
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virtual void* getCol(int col_idx, int type) = 0;
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// virtual long long getFirstElement() = 0;
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virtual void close() = 0;
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virtual bool haserror() = 0;
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// virtual void print_results(const char* sep = " ", const char* end = "\n");
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virtual ~DataSource() = 0;
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};
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#endif //__DATASOURCE_CONN_H__
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